/* ==========================================================================
   Design tokens
   ========================================================================== */
:root {
    /* Surfaces */
    --bg-base: #0d0d0f;
    --bg-elevated: #17181a;
    --bg-card: #1c1d20;
    --bg-card-hover: #25262a;
    --bg-input: #131416;
    --border-subtle: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.2);

    /* Text */
    --text-primary: #f2f3f5;
    --text-secondary: #a3a6ad;
    --text-muted: #6b6e75;

    /* Graphite accents (grayscale only) */
    --accent-1: #eef0f3;
    --accent-2: #b7bac1;
    --accent-3: #6b6e75;
    --gradient-brand: linear-gradient(120deg, var(--accent-1), var(--accent-2));
    --gradient-warm: linear-gradient(120deg, var(--accent-2), var(--accent-3));
    --gradient-graphite: linear-gradient(145deg, #34383e, #1a1c1f);

    /* Status (functional only, kept desaturated) */
    --success: #6fbf8f;
    --warning: #c9a35c;
    --danger: #c96b6b;

    /* Radius — mostly flat, with a touch of rounding on buttons */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 0px;
    --radius-pill: 0px;

    /* Spacing scale */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 24px;
    --space-6: 32px;
    --space-7: 48px;
    --space-8: 72px;

    /* Shadows — hard-edged, no blur */
    --shadow-sm: 2px 2px 0 rgba(0, 0, 0, 0.35);
    --shadow-md: 4px 4px 0 rgba(0, 0, 0, 0.45);
    --shadow-glow: 4px 4px 0 rgba(0, 0, 0, 0.5);

    /* Type */
    --font-ui: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-heading: 'Space Grotesk', 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

/* ==========================================================================
   Scrollbars
   ========================================================================== */
* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-strong) transparent;
}

::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-strong);
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    background-clip: padding-box;
}

::-webkit-scrollbar-thumb:hover {
    background-color: var(--accent-1);
    background-clip: padding-box;
}

::-webkit-scrollbar-corner {
    background: transparent;
}

body {
    margin: 0;
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-ui);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

a { color: var(--accent-2); }

/* ==========================================================================
   Ambient background
   ========================================================================== */
.background-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    overflow: hidden;
    background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 28px 28px;
}

html[data-theme="light"] .background-container {
    background-image: radial-gradient(rgba(15, 16, 30, 0.08) 1px, transparent 1px);
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(16px);
    background: rgba(11, 12, 20, 0.7);
    border-bottom: 1px solid var(--border-subtle);
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-3) var(--space-5);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}

.header-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.brand-mark {
    height: 52px;
    width: auto;
    flex-shrink: 0;
    display: block;
}

.brand-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    letter-spacing: -0.01em;
}

.brand-tag {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.header-menu-btn {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-secondary);
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    font-family: var(--font-ui);
    transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.header-menu-btn:hover {
    color: var(--text-primary);
    background: var(--bg-card);
    border-color: var(--border-subtle);
}

.header-cta {
    position: relative;
    background: var(--gradient-graphite);
    color: var(--text-primary);
    border: none;
    padding: 0.55rem 1.15rem;
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    clip-path: polygon(6px 0%, 100% 0%, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0% 100%, 0% 6px);
    box-shadow: 3px 3px 0 #08090a, inset 1px 1px 0 #454a52, inset -1px -1px 0 #0e0f11;
    transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.header-cta:hover {
    box-shadow: 3px 3px 0 #08090a, inset 1px 1px 0 #5a6069, inset -1px -1px 0 #000;
}

.header-cta:active {
    transform: scale(0.97);
    box-shadow: 1px 1px 0 #08090a, inset 1px 1px 0 #0e0f11;
}

.dropdown-container { position: relative; }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    min-width: 190px;
    opacity: 0;
    transform: translateY(-6px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.dropdown-menu.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.dropdown-item {
    padding: 0.55rem 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background 0.15s ease, color 0.15s ease;
    font-size: 0.85rem;
}

.dropdown-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-5) var(--space-7);
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-pill);
    margin-bottom: var(--space-5);
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--success);
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 1.08;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 var(--space-5);
}

.hero h1 .gradient-text {
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto var(--space-6);
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-7);
}

.btn-hero-primary {
    position: relative;
    background: var(--gradient-graphite);
    color: var(--text-primary);
    border: none;
    padding: 0.95rem 1.9rem;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    clip-path: polygon(8px 0%, 100% 0%, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0% 100%, 0% 8px);
    box-shadow: 4px 4px 0 #08090a, inset 2px 2px 0 #454a52, inset -2px -2px 0 #0e0f11;
    transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.btn-hero-primary:hover {
    box-shadow: 4px 4px 0 #08090a, inset 2px 2px 0 #5a6069, inset -2px -2px 0 #000;
}

.btn-hero-primary:active {
    transform: scale(0.97);
    box-shadow: 2px 2px 0 #08090a, inset 2px 2px 0 #0e0f11;
}

.btn-hero-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    padding: 0.9rem 1.8rem;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    clip-path: polygon(8px 0%, 100% 0%, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0% 100%, 0% 8px);
    transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-hero-secondary:hover {
    background: var(--bg-card);
    border-color: var(--text-secondary);
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-7);
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Feature strip */
.feature-strip {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-5) var(--space-7);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
}

.feature-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: var(--gradient-brand);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
    color: #0b0c14;
}

.feature-icon svg { width: 20px; height: 20px; }

.feature-card h3 {
    font-size: 0.95rem;
    margin: 0 0 var(--space-2);
    font-weight: 700;
}

.feature-card p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

/* ==========================================================================
   IDE section
   ========================================================================== */
.main-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--space-5) var(--space-8);
}

.ide-interface {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.ide-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.ide-logo {
    height: 44px;
    width: auto;
    display: block;
    flex-shrink: 0;
}

.logo-caption {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}

.version {
    font-size: 0.7rem;
    color: var(--text-muted);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 0.15rem 0.55rem;
    border-radius: var(--radius-pill);
}

.ide-status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.ide-status .dot {
    width: 7px;
    height: 7px;
    background: var(--text-muted);
}

.ide-status.connected .dot {
    background: var(--success);
}

.ide-header-right {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.ide-fullscreen-hint {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    opacity: 1;
    transition: opacity 0.25s ease;
}

.ide-fullscreen-hint.hidden {
    opacity: 0;
    visibility: hidden;
}

.ide-fullscreen-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.ide-fullscreen-btn svg {
    width: 16px;
    height: 16px;
}

.ide-fullscreen-btn:hover,
.ide-fullscreen-btn:focus {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.ide-exit-btn {
    display: none;
    position: relative;
    width: 32px;
    height: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 0;
    cursor: pointer;
    transition: width 0.25s ease, border-color 0.2s ease;
}

.ide-exit-btn::before,
.ide-exit-btn::after {
    content: "";
    position: absolute;
    height: 2px;
    width: 50%;
    background-color: var(--text-secondary);
    transition: width 0.2s ease-out, background-color 0.2s ease;
}

.ide-exit-btn::before {
    left: 5px;
    top: 5px;
    transform: rotate(45deg);
    transform-origin: left;
}

.ide-exit-btn::after {
    right: 5px;
    top: 5px;
    transform: rotate(-45deg);
    transform-origin: right;
}

.ide-exit-inner {
    display: block;
    position: absolute;
    inset: 0;
}

.ide-exit-inner::before,
.ide-exit-inner::after {
    content: "";
    position: absolute;
    height: 2px;
    width: 50%;
    background-color: var(--text-secondary);
    transition: width 0.2s ease-out, background-color 0.2s ease;
}

.ide-exit-inner::before {
    right: 5px;
    bottom: 5px;
    transform: rotate(45deg);
    transform-origin: right;
}

.ide-exit-inner::after {
    left: 5px;
    bottom: 5px;
    transform: rotate(-45deg);
    transform-origin: left;
}

.ide-exit-label {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-ui);
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--danger);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease-out;
}

.ide-exit-btn:hover,
.ide-exit-btn:focus {
    width: 72px;
    border-color: var(--danger);
}

.ide-exit-btn:hover::before,
.ide-exit-btn:hover::after,
.ide-exit-btn:focus::before,
.ide-exit-btn:focus::after,
.ide-exit-btn:hover .ide-exit-inner::before,
.ide-exit-btn:hover .ide-exit-inner::after,
.ide-exit-btn:focus .ide-exit-inner::before,
.ide-exit-btn:focus .ide-exit-inner::after {
    width: 10px;
    background-color: var(--danger);
}

.ide-exit-btn:hover .ide-exit-label,
.ide-exit-btn:focus .ide-exit-label {
    opacity: 1;
}

.ide-body {
    display: flex;
    min-height: calc(100vh - 220px);
    height: 860px;
}

/* Vertical nav rail */
.vertical-tabs {
    width: 68px;
    flex-shrink: 0;
    background: var(--bg-base);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-4) 0;
    gap: var(--space-2);
}

.vertical-tab {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-muted);
    position: relative;
    transition: background 0.15s ease, color 0.15s ease;
}

.vertical-tab svg { width: 20px; height: 20px; }

.vertical-tab .tab-icon-img {
    width: 22px;
    height: 22px;
    object-fit: contain;
    display: block;
    filter: invert(1);
    opacity: 0.85;
    transition: opacity 0.15s ease;
}

.vertical-tab:hover .tab-icon-img,
.vertical-tab.active .tab-icon-img {
    opacity: 1;
}

html[data-theme="light"] .vertical-tab .tab-icon-img {
    filter: none;
}

.compile-success-badge {
    position: absolute;
    right: 2px;
    bottom: 2px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: #2ecc71;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-elevated, #1a1a1a);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    animation: compileBadgePop 0.2s ease;
}

.compile-success-badge svg {
    width: 8px;
    height: 8px;
}

.compile-success-badge.hidden {
    display: none;
}

@keyframes compileBadgePop {
    from { transform: scale(0.4); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.vertical-tab:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.vertical-tab::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-strong);
    box-shadow: var(--shadow-md);
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.12s ease, transform 0.12s ease;
    z-index: 50;
}

.vertical-tab:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.vertical-tab.active {
    background: var(--bg-card);
    color: var(--accent-2);
}

.vertical-tab.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 22px;
    border-radius: var(--radius-pill);
    background: var(--gradient-brand);
}

.vertical-tab-settings {
    margin-top: auto;
    position: relative;
}

.vertical-tab-settings::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 10px;
    right: 10px;
    height: 1px;
    background: var(--border-subtle);
}

.vertical-tab-settings:hover {
    color: var(--accent-2);
}

.tab-icon { width: 20px; height: 20px; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.85; }

/* Sidebar panel */
.sidebar-panel {
    width: 360px;
    flex-shrink: 0;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border-subtle);
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
}

.sidebar-panel::-webkit-scrollbar { width: 5px; }
.sidebar-panel::-webkit-scrollbar-thumb { background-color: transparent; }
.sidebar-panel:hover { scrollbar-color: var(--border-strong) transparent; }
.sidebar-panel:hover::-webkit-scrollbar-thumb { background-color: var(--border-strong); }

.panel-content { display: none; padding: var(--space-4); }
.panel-content.active { display: block; }

.panel-header { margin-bottom: var(--space-3); }

.panel-header h3 {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0;
    font-weight: 700;
}

.panel-toolbar {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.toolbar-btn {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.toolbar-btn svg { width: 15px; height: 15px; }

.toolbar-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.file-tree {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.file-tree-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.4rem 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease;
}

.file-tree-item:hover,
.file-tree-item.active {
    background: var(--bg-card);
    color: var(--text-primary);
}

.file-tree-item.dragging {
    opacity: 0.4;
}

.file-tree-item.drop-target {
    background: var(--bg-card-hover);
    outline: 1px dashed var(--accent-1);
    outline-offset: -1px;
    color: var(--text-primary);
}

.file-tree-children {
    display: flex;
    flex-direction: column;
}

.file-tree-children.collapsed {
    display: none;
}

.file-tree-chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 12px;
    height: 12px;
    flex-shrink: 0;
    transition: transform 0.15s ease;
    color: var(--text-secondary);
}

.file-tree-chevron svg {
    width: 10px;
    height: 10px;
}

.file-tree-item.open > .file-tree-chevron {
    transform: rotate(90deg);
}

.file-tree-item .file-tree-chevron-spacer {
    width: 12px;
    height: 12px;
    flex-shrink: 0;
}

.file-tree-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    color: var(--text-secondary);
}

.file-tree-icon svg {
    width: 15px;
    height: 15px;
}

.file-tree-item.folder .file-tree-icon {
    color: var(--accent-2);
}

.file-tree-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-tree-empty {
    padding: 0.6rem 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Context menu */
.context-menu {
    position: fixed;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    min-width: 180px;
    box-shadow: var(--shadow-md);
    z-index: 3000;
}

.context-menu.hidden { display: none; }

.context-menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: background 0.15s ease, color 0.15s ease;
}

.context-menu-item svg { width: 15px; height: 15px; }

.context-menu-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.context-menu-delete:hover {
    background: rgba(201, 107, 107, 0.12);
    color: var(--danger);
}

.context-menu-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: var(--space-2) 0;
}

/* Form controls */
.panel-body { display: flex; flex-direction: column; gap: var(--space-4); }

.settings-group { display: flex; flex-direction: column; gap: var(--space-2); }

.settings-group label {
    font-size: 0.78rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.select-input,
.input-field {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.75rem;
    font-size: 0.85rem;
    font-family: var(--font-ui);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.select-input {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b7bac1' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.65rem center;
    background-size: 14px;
    padding-right: 2rem;
}

.select-input:focus,
.input-field:focus {
    outline: none;
    border-color: var(--accent-2);
    box-shadow: 0 0 0 3px rgba(183, 186, 193, 0.18);
}

.deploy-value-row {
    display: flex;
    gap: var(--space-2);
}
.deploy-value-row .input-field { flex: 1; min-width: 0; }
.deploy-value-row .select-input { width: auto; flex: 0 0 5.5rem; padding-right: 1.8rem; }

.pragma-hint {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: var(--space-2);
    padding: 0.5rem 0.65rem;
    background: rgba(201, 163, 92, 0.1);
    border: 1px solid rgba(201, 163, 92, 0.35);
    border-radius: var(--radius-sm);
    color: var(--warning);
    font-size: 0.76rem;
    line-height: 1.35;
}

.pragma-hint.hidden { display: none; }

.pragma-hint-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.pragma-hint-text { flex: 1; }

.pragma-hint-fix {
    flex-shrink: 0;
    background: rgba(201, 163, 92, 0.18);
    border: 1px solid rgba(201, 163, 92, 0.5);
    color: var(--warning);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.25rem 0.55rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.15s ease;
}

.pragma-hint-fix:hover { background: rgba(201, 163, 92, 0.3); }

.pragma-hint-fix.hidden { display: none; }

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-1);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.7rem 1.1rem;
    font-weight: 700;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-family: var(--font-ui);
    cursor: pointer;
    border: none;
    transition: transform 0.1s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.btn-primary {
    background: var(--gradient-graphite);
    color: var(--text-primary);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
}

.btn-primary .icon,
.btn-primary .compile-icon { width: 16px; height: 16px; }

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-strong);
}

.btn-secondary .icon { width: 16px; height: 16px; }

.btn-full { width: 100%; }

/* Pixel/graphite action button (Compile, Action-style CTAs) */
.btn-pixel {
    position: relative;
    clip-path: polygon(8px 0%, 100% 0%, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0% 100%, 0% 8px);
    box-shadow: 3px 3px 0 #08090a, inset 2px 2px 0 #454a52, inset -2px -2px 0 #0e0f11;
}

.btn-pixel:hover {
    box-shadow: 3px 3px 0 #08090a, inset 2px 2px 0 #5a6069, inset -2px -2px 0 #000;
}

.btn-pixel:active {
    transform: scale(0.97);
    box-shadow: 1px 1px 0 #08090a, inset 2px 2px 0 #0e0f11;
}

.btn-pixel:disabled {
    cursor: default;
    opacity: 0.85;
}

.btn-pixel .icon.hidden { display: none; }

.compile-icon-spin {
    animation: compileSpin 0.8s linear infinite;
}

@keyframes compileSpin {
    to { transform: rotate(360deg); }
}

.deploy-btn-block {
    position: relative;
    width: 100%;
    height: 52px;
    margin-top: var(--space-2);
    font-family: var(--font-ui);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #f2f3f5;
    background: linear-gradient(145deg, #34383e, #1a1c1f);
    border: none;
    cursor: pointer;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(
        10px 0%,
        100% 0%,
        100% calc(100% - 10px),
        calc(100% - 10px) 100%,
        0% 100%,
        0% 10px
    );
    box-shadow:
        4px 4px 0 #08090a,
        inset 2px 2px 0 #454a52,
        inset -2px -2px 0 #0e0f11;
    transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.deploy-btn-block:hover {
    box-shadow:
        4px 4px 0 #08090a,
        inset 2px 2px 0 #5a6069,
        inset -2px -2px 0 #000;
}

.deploy-btn-block:active {
    transform: scale(0.97);
    box-shadow:
        2px 2px 0 #08090a,
        inset 2px 2px 0 #0e0f11;
}

.deploy-btn-block::before,
.deploy-btn-block::after,
.btn-hero-primary::before,
.btn-hero-primary::after,
.btn-pixel::before,
.btn-pixel::after,
.header-cta::before,
.header-cta::after {
    content: "";
    position: absolute;
    width: 12px;
    height: 12px;
    background: #5a6069;
    opacity: 0;
    pointer-events: none;
    transform: scale(0.4);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.deploy-btn-block::before,
.btn-hero-primary::before,
.btn-pixel::before,
.header-cta::before {
    top: -6px;
    left: -6px;
    transform-origin: top left;
    box-shadow:
        12px 0 0 -1px #5a6069,
        24px 0 0 -4px #454a52,
        36px 0 0 -7px #2a2d31,
        0 12px 0 -1px #454a52,
        12px 12px 0 -3px #383c42,
        24px 12px 0 -6px #2a2d31,
        0 24px 0 -4px #2a2d31,
        12px 24px 0 -6px #2a2d31,
        0 36px 0 -7px #2a2d31,
        24px 24px 0 -8px #2a2d31;
}

.deploy-btn-block::after,
.btn-hero-primary::after,
.btn-pixel::after,
.header-cta::after {
    bottom: -6px;
    right: -6px;
    transform-origin: bottom right;
    box-shadow:
        -12px 0 0 -1px #5a6069,
        -24px 0 0 -4px #454a52,
        -36px 0 0 -7px #2a2d31,
        0 -12px 0 -1px #454a52,
        -12px -12px 0 -3px #383c42,
        -24px -12px 0 -6px #2a2d31,
        0 -24px 0 -4px #2a2d31,
        -12px -24px 0 -6px #2a2d31,
        0 -36px 0 -7px #2a2d31,
        -24px -24px 0 -8px #2a2d31;
}

.deploy-btn-block:hover::before,
.deploy-btn-block:hover::after,
.btn-hero-primary:hover::before,
.btn-hero-primary:hover::after,
.btn-pixel:hover::before,
.btn-pixel:hover::after,
.header-cta:hover::before,
.header-cta:hover::after {
    opacity: 1;
    transform: scale(1);
}

.deploy-btn-block:disabled {
    cursor: default;
    opacity: 0.85;
}

/* While waiting for the deploy tx to be mined/confirmed — distinct bluish-gray
   so it visually reads as "in progress", reverting to the normal look once the
   contract is actually deployed (or the attempt fails/times out). */
.deploy-btn-block.deploy-btn-waiting {
    background: linear-gradient(145deg, #5c7c94, #2b3a44);
    box-shadow:
        4px 4px 0 #08090a,
        inset 2px 2px 0 #7a97ab,
        inset -2px -2px 0 #1c262d;
}

.deploy-btn-content {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.deploy-btn-dots span {
    animation: deployBtnBlink 1.2s infinite;
}

.deploy-btn-dots span:nth-child(2) { animation-delay: 0.2s; }
.deploy-btn-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes deployBtnBlink {
    0%, 80%, 100% { opacity: 0; }
    40% { opacity: 1; }
}

/* Env dropdown */
.env-dropdown { position: relative; isolation: isolate; z-index: 5; }

.env-dropdown-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    text-align: left;
}

.env-caret { color: var(--text-muted); }

.env-menu {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    z-index: 200;
    box-shadow: var(--shadow-md);
}

.env-menu.hidden { display: none; }

/* Portaled to <body> via JS: escapes any ancestor stacking-context/overflow
   clipping that hid the menu behind the editor or other fields. Position and
   size are computed from the trigger button's bounding rect at open time. */
.env-menu.env-menu-portal {
    position: fixed;
    right: auto;
    z-index: 3000;
}

.env-menu-item.hidden { display: none; }

.env-menu-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.55rem 0.7rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    width: 100%;
    font-family: var(--font-ui);
    position: relative;
}

.env-menu-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.env-submenu-arrow { color: var(--text-muted); }

.env-submenu {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-2);
    min-width: 220px;
    max-height: 320px;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.has-submenu:hover .env-submenu { display: block; }

.env-submenu-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0.65rem;
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-family: var(--font-ui);
    cursor: pointer;
}

.env-submenu-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.env-submenu-sep {
    height: 1px;
    background: var(--border-subtle);
    margin: var(--space-2) 0;
}

.env-submenu-empty {
    padding: 0.5rem 0.65rem;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.contracts-section { margin-top: var(--space-5); }

.section-title {
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.contract-list { display: flex; flex-direction: column; gap: var(--space-2); }

.contract-list-empty {
    font-size: 0.78rem;
    color: var(--text-muted);
    padding: var(--space-3);
    text-align: center;
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-md);
}

/* Debugger panel */
.debugger-search-row {
    display: flex;
    gap: var(--space-2);
}

.debugger-search-row .input-field { flex: 1; }

.debugger-search-btn {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-brand);
    border: none;
    border-radius: var(--radius-sm);
    color: #0b0c14;
    cursor: pointer;
    transition: filter 0.15s ease;
}

.debugger-search-btn svg { width: 16px; height: 16px; }

.debugger-search-btn:hover { filter: brightness(1.1); }

.debugger-hint {
    font-size: 0.78rem;
    line-height: 1.5;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-3);
}

.debugger-step-controls { margin-top: var(--space-2); }

.debugger-step-row {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.debugger-step-btn {
    flex: 1;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.debugger-step-btn svg { width: 16px; height: 16px; }

.debugger-step-btn:hover:not(:disabled) {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.debugger-step-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.debugger-vm-trace {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.5rem var(--space-3);
}

.debugger-vm-trace-label {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.debugger-vm-trace-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.section-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.section-title-row .section-title { margin-bottom: 0; }

.debugger-recorder-actions { display: flex; gap: var(--space-2); }

.text-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.72rem;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
}

.text-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }

/* Gas / compiled output boxes */
.gas-analysis-box,
.compiled-box {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
}

.gas-analysis-box.hidden,
.compiled-box.hidden { display: none; }

.compiled-contract + .compiled-contract {
    margin-top: var(--space-3);
    padding-top: var(--space-3);
    border-top: 1px solid var(--border-subtle);
}

.compiled-contract-name {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    font-family: var(--font-mono);
}

.compiled-contract-select {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    margin-bottom: var(--space-3);
}

.compiled-contract-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
}

.compiled-contract-select .compiled-contract-name {
    margin-bottom: 0;
    font-size: 0.85rem;
    overflow-wrap: anywhere;
}

.compiled-links {
    display: flex;
    gap: var(--space-2);
}

.compiled-link {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 0.78rem;
    padding: 0.4rem 0.7rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.compiled-link svg { width: 14px; height: 14px; }

.compiled-link:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.compiled-copy-source.hidden { display: none; }

.compiled-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.82rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.compiled-details {
    margin-top: var(--space-2);
}

.compiled-details summary {
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    user-select: none;
}

.compiled-details summary:hover { color: var(--text-primary); }

.compiled-details pre {
    margin-top: var(--space-2);
    max-height: 220px;
    overflow: auto;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: pre-wrap;
    word-break: break-all;
}

.compiled-bytecode { word-break: break-all; }

.compiled-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.compiled-actions .btn-secondary {
    padding: 0.35rem 0.7rem;
    font-size: 0.78rem;
}

.compiled-error {
    color: var(--danger);
    font-size: 0.85rem;
}

.compiled-error pre {
    margin-top: var(--space-2);
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-2);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.gas-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.15rem 0.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 0.25rem 0;
    border-bottom: 1px solid var(--border-subtle);
}

.gas-row:last-child { border-bottom: none; }

.gas-row span:first-child {
    flex: 1 1 auto;
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.gas-row span:last-child {
    flex-shrink: 0;
    white-space: nowrap;
    color: var(--text-primary);
    font-family: var(--font-mono);
}

/* ==========================================================================
   Editor area
   ========================================================================== */
.editor-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.editor-tabs {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: var(--space-2) var(--space-2) 0;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-subtle);
    overflow-x: auto;
}

.editor-tabs-list {
    display: flex;
    align-items: center;
    gap: 2px;
}

.editor-tab {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.55rem 0.9rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: transparent;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    cursor: pointer;
    white-space: nowrap;
    position: relative;
}

.editor-tab-check {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #2ecc71;
    color: #fff;
    flex-shrink: 0;
}

.editor-tab-check svg {
    width: 8px;
    height: 8px;
}

.editor-tab.active {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.editor-tab-file-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--accent-2);
}

.editor-tab-name {
    max-width: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.editor-tab-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.15s ease, background 0.15s ease, color 0.15s ease;
}

.editor-tab-close svg {
    width: 12px;
    height: 12px;
}

.editor-tab-close:hover {
    opacity: 1;
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.editor-tabs-spacer {
    flex: 1;
}

.editor-zoom-controls {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 0 var(--space-2);
    align-self: stretch;
}

.editor-zoom-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-bottom: var(--space-2);
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease;
}

.editor-zoom-btn svg {
    width: 15px;
    height: 15px;
}

.editor-zoom-btn:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.editor-container {
    position: relative;
    flex: 1;
    min-height: 260px;
    background: var(--bg-input);
}

.editor-container .CodeMirror {
    height: 100%;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    line-height: 1.6;
    /* The dracula theme sets background-color with !important, which beats our
       shorthand `background` regardless of selector specificity — so it was
       always winning and rendering the lighter #282a36 theme color instead of
       our darker background. Override it explicitly with !important too. */
    background-color: var(--bg-input) !important;
}

.editor-container .CodeMirror-gutters {
    background-color: var(--bg-input) !important;
}

/* Highlight for other whole-word occurrences of the currently selected word
   (CodeMirror match-highlighter addon, wordsOnly mode). */
.editor-container .cm-matchhighlight {
    background: rgba(122, 162, 247, 0.16);
    border-radius: 3px;
    box-shadow: inset 0 0 0 1px rgba(122, 162, 247, 0.35);
}
.editor-container .CodeMirror-selection-highlight-scrollbar {
    background: rgba(122, 162, 247, 0.6);
}

.editor-empty-state {
    position: absolute;
    inset: 0;
    z-index: 5;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    text-align: center;
    background: var(--bg-input);
    pointer-events: none;
}

.editor-empty-state.visible {
    display: flex;
}

.editor-empty-state p {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.editor-empty-state span {
    max-width: 260px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.resizer {
    height: 6px;
    cursor: row-resize;
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.resizer-handle {
    width: 40px;
    height: 3px;
    border-radius: var(--radius-pill);
    background: var(--border-strong);
}

.logs-panel {
    height: 26%;
    min-height: 140px;
    max-height: 60%;
    background: var(--bg-base);
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
}

.logs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.logs-header h3 {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0;
    font-weight: 700;
}

.clear-logs-btn {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.72rem;
    padding: 0.3rem 0.7rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
}

.clear-logs-btn:hover { color: var(--text-primary); border-color: var(--border-strong); }

.logs-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.log-welcome-title { font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-2); }
.log-welcome-text { color: var(--text-secondary); margin-bottom: var(--space-3); }
.log-welcome-section { margin-bottom: var(--space-3); }
.log-welcome-subtitle { color: var(--text-primary); font-weight: 600; margin-bottom: var(--space-2); }
.log-welcome-list { margin: 0; padding-left: 1.1rem; color: var(--text-secondary); }
.log-welcome-list li { margin-bottom: var(--space-1); }
.log-highlight { color: var(--accent-2); font-weight: 600; }
.log-welcome-footer { color: var(--text-muted); font-style: italic; }

.log-entry {
    position: relative;
    padding: 0.15rem 0 0.15rem 1.15rem;
    white-space: pre-wrap;
    word-break: break-word;
}

.log-entry::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.62rem;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
    opacity: 0.55;
}

.log-entry.log-info { color: #d4d4d8; }
.log-entry.log-success { color: #4fc98a; }
.log-entry.log-warning { color: #e0b95c; }
.log-entry.log-error {
    color: #e06c6c;
    background: rgba(224, 108, 108, 0.08);
    border-radius: 3px;
    padding-top: 0.2rem;
    padding-bottom: 0.2rem;
}

/* Structured solc diagnostics: "Warning: ... / --> file:line:col / 238 | code / ^^^^" */
.log-entry-diag {
    background: none;
    padding-top: 0.35rem;
    padding-bottom: 0.35rem;
}

.log-diag-header { font-weight: 600; }

.log-diag-body {
    margin: 0.3rem 0 0 0;
    padding: 0.5rem 0.65rem;
    background: rgba(255, 255, 255, 0.03);
    border-left: 2px solid currentColor;
    border-radius: 0 3px 3px 0;
    font-family: var(--font-mono);
    font-size: inherit;
    white-space: pre-wrap;
    word-break: break-word;
    opacity: 0.95;
}

.log-diag-arrow { color: var(--text-muted); }
.log-diag-pipe { color: var(--text-muted); }
.log-diag-code { color: var(--text-primary); opacity: 0.9; }
.log-entry.log-error .log-diag-caret { color: #e06c6c; font-weight: 700; }
.log-entry.log-warning .log-diag-caret { color: #e0b95c; font-weight: 700; }

.log-link {
    color: var(--accent-2);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.log-link:hover { opacity: 0.85; }

/* ==========================================================================
   Modals
   ========================================================================== */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(6, 7, 12, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.hidden { display: none; }

.modal-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    width: 90%;
    max-width: 420px;
    box-shadow: var(--shadow-md);
    animation: modalSlideIn 0.25s ease;
}

@keyframes modalSlideIn {
    from { opacity: 0; transform: translateY(-16px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.modal-header h3 { margin: 0; font-size: 1.05rem; }

.modal-close {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    width: 30px;
    height: 30px;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
}

.modal-close:hover { color: var(--text-primary); }

.modal-body { margin-bottom: var(--space-5); }

.modal-body label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.modal-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 0.65rem 0.8rem;
    font-size: 0.9rem;
}

/* Wallet connect modal */
.wallet-modal-content { max-width: 420px; }

.wallet-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    max-height: 360px;
    overflow-y: auto;
}

.wallet-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.7rem 0.8rem;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
}

.wallet-row:hover {
    border-color: var(--border-strong);
    background: var(--bg-card-hover);
}

.wallet-row.connecting { opacity: 0.6; pointer-events: none; }

.wallet-row-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    background: var(--bg-input);
    flex-shrink: 0;
}

.wallet-row-info { flex: 1; min-width: 0; }

.wallet-row-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.88rem;
}

.wallet-row-status {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.wallet-row-status.installed { color: var(--success); }

.wallet-row-action {
    font-size: 0.75rem;
    color: var(--text-muted);
    flex-shrink: 0;
    white-space: nowrap;
}

.wallet-list-empty {
    font-size: 0.82rem;
    color: var(--text-muted);
    padding: var(--space-3) 0;
    text-align: center;
}

.wallet-modal-hint {
    margin-top: var(--space-3);
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.account-balance {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-2);
    font-size: 0.78rem;
    color: var(--text-muted);
}

.account-balance svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--text-muted);
}

.account-balance #accountBalanceValue {
    color: var(--text-primary);
    font-weight: 500;
}

.account-balance.hidden { display: none; }

.settings-group.hidden { display: none; }

.constructor-args-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.constructor-arg-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.constructor-arg-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.constructor-arg-input {
    width: 100%;
}

.contract-item {
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-elevated, rgba(255, 255, 255, 0.02));
}

.contract-item-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    cursor: default;
}

.contract-item-name {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-primary);
}

.contract-item-address {
    font-size: 0.72rem;
    color: var(--text-muted);
    flex: 1;
    font-family: var(--font-mono, monospace);
}

.contract-item-balance {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-family: var(--font-mono, monospace);
    white-space: nowrap;
}

.contract-item-balance:empty { display: none; }

.contract-item-copy,
.contract-item-toggle,
.contract-item-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 2px 4px;
}

.contract-item-copy:hover,
.contract-item-toggle:hover {
    color: var(--text-primary);
}

.contract-item-copy {
    position: relative;
}

.contract-item-copy.copy-flash {
    color: #4caf50;
    animation: contractCopyFlash 0.35s ease;
}

/* Small plain-text "copied" label above the button for a couple seconds — the
   icon-swap alone is easy to miss on a tiny icon-only button. */
.contract-item-copy.copy-flash::after {
    content: 'copied';
    position: absolute;
    bottom: 130%;
    left: 50%;
    transform: translateX(-50%);
    color: #4caf50;
    font-weight: 500;
    font-size: 0.6rem;
    white-space: nowrap;
    pointer-events: none;
    z-index: 10;
    animation: contractCopyTooltip 2s ease;
}

@keyframes contractCopyTooltip {
    0% { opacity: 0; transform: translateX(-50%) translateY(4px); }
    15% { opacity: 1; transform: translateX(-50%) translateY(0); }
    75% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(0); }
}

@keyframes contractCopyFlash {
    0% { transform: scale(1); }
    45% { transform: scale(1.4); }
    100% { transform: scale(1); }
}

.contract-item-delete:hover {
    color: #e06c6c;
}

.contracts-clear-all {
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    font-size: 0.68rem;
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.contracts-clear-all:hover {
    color: #e06c6c;
    border-color: rgba(224, 108, 108, 0.5);
}

.contracts-clear-all.hidden { display: none; }

.contract-item-body {
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-2) var(--space-3);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.contract-item-body.hidden { display: none; }

.contract-fn-row {
    border-radius: var(--radius-sm);
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.03);
}

.contract-fn-view { background: rgba(74, 144, 217, 0.1); }
.contract-fn-write { background: rgba(217, 160, 74, 0.1); }

.contract-fn-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
}

.contract-fn-name {
    font-size: 0.78rem;
    font-family: var(--font-mono, monospace);
    color: var(--text-primary);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.contract-fn-toggle {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1;
    cursor: pointer;
    transition: transform 0.15s ease, color 0.15s ease;
}

.contract-fn-toggle:hover { color: var(--text-primary); }
.contract-fn-toggle.expanded { transform: rotate(90deg); color: var(--text-primary); }

.contract-fn-call {
    flex-shrink: 0;
    min-width: 76px;
    height: 30px;
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #f2f3f5;
    background: linear-gradient(145deg, #34383e, #1a1c1f);
    border: none;
    padding: 0 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    clip-path: polygon(6px 0%, 100% 0%, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0% 100%, 0% 6px);
    box-shadow:
        2px 2px 0 #08090a,
        inset 1px 1px 0 #454a52,
        inset -1px -1px 0 #0e0f11;
    transition: box-shadow 0.15s ease, transform 0.1s ease;
}

.contract-fn-call:hover {
    box-shadow:
        2px 2px 0 #08090a,
        inset 1px 1px 0 #5a6069,
        inset -1px -1px 0 #000;
}

.contract-fn-call:active {
    transform: scale(0.96);
    box-shadow:
        1px 1px 0 #08090a,
        inset 1px 1px 0 #0e0f11;
}

.contract-fn-inputs {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 6px;
}

.contract-fn-inputs.hidden { display: none; }

.contract-fn-more-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    margin-top: 2px;
    padding: 7px 10px;
    background: none;
    border: 1px dashed var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    font-family: var(--font-ui);
    font-size: 0.72rem;
    cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.contract-fn-more-toggle:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.contract-fn-more-arrow {
    display: inline-flex;
    transition: transform 0.15s ease;
}

.contract-fn-more-toggle.expanded .contract-fn-more-arrow { transform: rotate(90deg); }

.contract-fn-more-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-2);
}

.contract-fn-more-list.hidden { display: none; }

.contract-fn-input {
    font-size: 0.72rem;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-subtle);
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-primary);
}

.contract-fn-result {
    margin-top: 6px;
    font-size: 0.7rem;
    color: var(--text-muted);
    word-break: break-all;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* Template preview modal */
.template-preview-content {
    max-width: 700px;
    width: 92%;
}

/* Pushes "Back" to the far left of the footer, away from Copy/Create, since
   it returns to the templates grid instead of acting on the current code. */
.template-preview-back {
    margin-right: auto;
}

.template-preview-body {
    max-height: 60vh;
    overflow: auto;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
}

.template-preview-code {
    margin: 0;
    padding: var(--space-4);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-primary);
    white-space: pre;
}

/* Templates modal */
.templates-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(6, 7, 12, 0.75);
    backdrop-filter: blur(4px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.templates-modal.active { display: flex; }

.templates-content {
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    max-width: 900px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
    animation: modalSlideIn 0.3s ease;
}

.templates-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.templates-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 800;
}

.templates-close {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    font-size: 1.3rem;
    width: 36px;
    height: 36px;
    cursor: pointer;
}

.templates-close:hover { color: var(--text-primary); }

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--space-4);
}

.template-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: var(--space-4);
    cursor: pointer;
    transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.template-card:hover {
    transform: translateY(-3px);
    background: var(--bg-card-hover);
    border-color: var(--accent-2);
}

.template-title { font-size: 1rem; font-weight: 700; margin-bottom: var(--space-2); }
.template-desc { font-size: 0.8rem; color: var(--text-secondary); line-height: 1.5; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    border-top: 1px solid var(--border-subtle);
    background: var(--bg-elevated);
    margin-top: var(--space-8);
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-7) var(--space-5);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
}

.footer-title {
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 700;
    margin: 0 0 var(--space-3);
}

.footer-links, .footer-glossary {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.footer-links a:hover { color: var(--accent-2); }

.footer-glossary li {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.footer-glossary strong { color: var(--text-primary); }

.footer-about-title { margin: 0 0 var(--space-1); font-size: 0.95rem; }
.footer-about-version { color: var(--text-muted); font-size: 0.75rem; margin: 0 0 var(--space-3); }
.footer-about-description { font-size: 0.82rem; color: var(--text-secondary); line-height: 1.5; margin: 0 0 var(--space-3); }

.footer-about-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.footer-feature-tag {
    font-size: 0.7rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    padding: 0.2rem 0.6rem;
}

.footer-about-footer { font-size: 0.78rem; color: var(--text-muted); margin: 0; }

.footer-privacy-info {
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-top: var(--space-3);
}

.footer-bottom {
    border-top: 1px solid var(--border-subtle);
    padding: var(--space-4) var(--space-5);
    text-align: center;
}

.footer-copyright {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0;
}

/* ==========================================================================
   Fullscreen IDE mode
   ========================================================================== */
body.ide-fullscreen {
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

body.ide-fullscreen .hero,
body.ide-fullscreen .feature-strip,
body.ide-fullscreen .site-footer {
    display: none;
}

body.ide-fullscreen .site-header {
    display: none;
}

body.ide-fullscreen main {
    flex: 1;
    display: flex;
    min-height: 0;
}

body.ide-fullscreen .main-container {
    flex: 1;
    display: flex;
    min-height: 0;
    width: 100%;
    padding: var(--space-5);
    animation: ideFadeIn 0.35s ease;
}

body.ide-fullscreen .ide-interface {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

body.ide-fullscreen .ide-header {
    flex-shrink: 0;
}

body.ide-fullscreen .ide-body {
    flex: 1;
    height: auto;
    min-height: 0;
}

body.ide-fullscreen .ide-exit-btn {
    display: flex;
}

body.ide-fullscreen .ide-fullscreen-btn {
    display: none;
}

body.ide-fullscreen .ide-fullscreen-hint {
    display: none;
}

@keyframes ideFadeIn {
    from { opacity: 0; transform: scale(0.99); }
    to { opacity: 1; transform: scale(1); }
}

@media (max-width: 860px) {
    body.ide-fullscreen { height: auto; overflow: auto; }
    body.ide-fullscreen main { display: block; }
    body.ide-fullscreen .main-container { display: block; padding: var(--space-3); }
    body.ide-fullscreen .ide-body { height: auto; }
}

/* ==========================================================================
   Settings modal
   ========================================================================== */
.settings-content { max-width: 440px; }

.settings-group { margin-bottom: var(--space-5); }
.settings-group:last-child { margin-bottom: 0; }

.settings-group > label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
}

.settings-theme-toggle {
    display: flex;
    gap: var(--space-2);
}

.theme-option {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.65rem 0.8rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.theme-option svg { width: 15px; height: 15px; }

.theme-option:hover { background: var(--bg-card-hover); }

.theme-option.active {
    color: var(--text-primary);
    border-color: var(--accent-1);
    background: var(--bg-card-hover);
    box-shadow: 0 0 0 1px var(--accent-1);
}

.settings-color-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.settings-color-input {
    width: 42px;
    height: 34px;
    padding: 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    cursor: pointer;
    flex-shrink: 0;
}

.settings-color-value {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    flex: 1;
}

.settings-reset-btn {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.35rem 0.65rem;
    cursor: pointer;
}

.settings-reset-btn:hover {
    color: var(--text-primary);
    border-color: var(--border-strong);
}

/* Light theme overrides */
html[data-theme="light"] {
    --bg-base: #f5f5f4;
    --bg-elevated: #ffffff;
    --bg-card: #eeeeec;
    --bg-card-hover: #e2e2df;
    --bg-input: #ffffff;
    --border-subtle: rgba(20, 20, 20, 0.1);
    --border-strong: rgba(20, 20, 20, 0.22);
    --text-primary: #16171a;
    --text-secondary: #4a4b50;
    --text-muted: #83868c;
    --shadow-sm: 2px 2px 0 rgba(20, 20, 20, 0.12);
    --shadow-md: 4px 4px 0 rgba(20, 20, 20, 0.16);
    --shadow-glow: 4px 4px 0 rgba(20, 20, 20, 0.22);
}

html[data-theme="light"] .header-cta,
html[data-theme="light"] .btn-hero-primary,
html[data-theme="light"] .btn-primary,
html[data-theme="light"] .deploy-btn-block {
    box-shadow: 3px 3px 0 rgba(20, 20, 20, 0.3), inset 2px 2px 0 rgba(255, 255, 255, 0.12), inset -2px -2px 0 rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
    .feature-strip { grid-template-columns: repeat(2, 1fr); }
    .footer-content { grid-template-columns: repeat(2, 1fr); }
    .sidebar-panel { width: 260px; }
}

@media (max-width: 860px) {
    .ide-body { flex-direction: column; height: auto; min-height: 0; }
    .vertical-tabs {
        width: 100%;
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
        padding: var(--space-2);
    }
    .vertical-tab.active::before { display: none; }
    .sidebar-panel { width: 100%; border-right: none; border-bottom: 1px solid var(--border-subtle); }
    .editor-container { min-height: 320px; }
}

@media (max-width: 640px) {
    .header-content { padding: var(--space-3); }
    .header-nav { gap: var(--space-1); }
    .hero { padding: var(--space-6) var(--space-3) var(--space-6); }
    .hero-actions { flex-direction: column; width: 100%; }
    .btn-hero-primary, .btn-hero-secondary { width: 100%; }
    .hero-stats { gap: var(--space-5); }
    .feature-strip { grid-template-columns: 1fr; padding: 0 var(--space-3) var(--space-6); }
    .main-container { padding: 0 var(--space-3) var(--space-7); }
    .footer-content { grid-template-columns: 1fr; padding: var(--space-6) var(--space-3); }
}

@media (max-width: 480px) {
    .header-menu-btn { display: none; }
    .hero-badge { font-size: 0.72rem; }
}

/* ==========================================================================
   Editor autocomplete (Remix-style hint list)
   ========================================================================== */
.CodeMirror-hints {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5);
    padding: 0.25rem;
    max-height: 18rem;
}

.CodeMirror-hint.sol-hint {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.28rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    white-space: nowrap;
}

li.CodeMirror-hint-active.sol-hint {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.sol-hint-icon {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 4px;
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
}

.sol-hint-icon-keyword, .sol-hint-icon-atom { background: rgba(122, 162, 247, 0.18); color: #7aa2f7; }
.sol-hint-icon-type { background: rgba(224, 185, 92, 0.18); color: #e0b95c; }
.sol-hint-icon-var { background: rgba(79, 201, 138, 0.18); color: #4fc98a; }
.sol-hint-icon-fn { background: rgba(187, 134, 252, 0.2); color: #bb86fc; }

.sol-hint-name {
    flex: 0 1 auto;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
}

.sol-hint-name b { color: #7aa2f7; font-weight: 700; }

.sol-hint-detail {
    flex: 1 1 auto;
    margin-left: 0.75rem;
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.7rem;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: right;
}