@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&display=swap');

:root {
    /* Background & Text */
    --bg-main-top: #121720;
    --bg-main-bottom: #0f131a;
    --bg-radial: rgba(97, 175, 239, 0.12);
    --text-main: #e0e0e0;
    
    /* Command Deck */
    --deck-bg-gradient-1: rgba(34, 39, 52, 0.86);
    --deck-bg-gradient-2: rgba(15, 17, 24, 0.76);
    --deck-radial: rgba(97, 175, 239, 0.18);
    --deck-border: rgba(255, 255, 255, 0.13);
    --deck-shadow: rgba(0, 0, 0, 0.34);
    --deck-shadow-inset: rgba(255, 255, 255, 0.08);
    
    /* Brand */
    --brand-icon: #61afef;
    --brand-icon-shadow: rgba(97, 175, 239, 0.35);
    --brand-subtitle: #8b96a8;
    
    /* Editor Actions Group */
    --action-bg: rgba(255, 255, 255, 0.045);
    --action-border: rgba(255, 255, 255, 0.08);
    
    /* Generic Button */
    --btn-text: #e0e0e0;
    --btn-hover-bg: rgba(255, 255, 255, 0.1);
    --btn-hover-border: rgba(255, 255, 255, 0.08);
    --btn-focus-ring: rgba(97, 175, 239, 0.9);
    
    /* Primary Button */
    --btn-primary-bg-1: rgba(97, 175, 239, 0.26);
    --btn-primary-bg-2: rgba(0, 242, 254, 0.14);
    --btn-primary-border: rgba(97, 175, 239, 0.28);
    --btn-primary-text: #61afef;
    --btn-primary-shadow: rgba(42, 122, 186, 0.14);
    --btn-primary-shadow-inset: rgba(255, 255, 255, 0.1);
    --btn-primary-hover-1: rgba(97, 175, 239, 0.34);
    --btn-primary-hover-2: rgba(0, 242, 254, 0.18);
    --btn-primary-hover-shadow: rgba(42, 122, 186, 0.24);
    
    /* Ghost & Quiet Buttons */
    --btn-ghost-text: #aeb8c8;
    --btn-quiet-text: #c8d0dc;
    
    /* Danger Button */
    --btn-danger-bg: rgba(224, 108, 117, 0.11);
    --btn-danger-border: rgba(224, 108, 117, 0.18);
    --btn-danger-text: #e06c75;
    --btn-danger-hover-bg: rgba(224, 108, 117, 0.2);
    --btn-danger-hover-border: rgba(224, 108, 117, 0.4);
    --btn-danger-hover-shadow: rgba(224, 108, 117, 0.2);
    
    /* Editor specific */
    --editor-content-offset: 120px;
    --margin-border: rgba(255, 255, 255, 0.035);
    --sash-color: rgba(97, 175, 239, 0.34);
}

body.light-mode {
    --bg-main-top: #f4f8fc;
    --bg-main-bottom: #edf2f7;
    --bg-radial: rgba(0, 112, 201, 0.1);
    --text-main: #17202c;
    
    --deck-bg-gradient-1: rgba(255, 255, 255, 0.88);
    --deck-bg-gradient-2: rgba(239, 244, 250, 0.78);
    --deck-radial: rgba(0, 112, 201, 0.12);
    --deck-border: rgba(18, 27, 38, 0.12);
    --deck-shadow: rgba(22, 31, 46, 0.15);
    --deck-shadow-inset: rgba(255, 255, 255, 0.72);
    
    --brand-icon-shadow: rgba(0, 112, 201, 0.2);
    --brand-subtitle: #667285;
    
    --action-bg: rgba(17, 34, 51, 0.045);
    --action-border: rgba(17, 34, 51, 0.08);
    
    --btn-text: #253143;
    --btn-hover-bg: rgba(20, 34, 51, 0.08);
    --btn-hover-border: rgba(20, 34, 51, 0.08);
    --btn-focus-ring: rgba(0, 112, 201, 0.7);
    
    --btn-primary-bg-1: rgba(0, 112, 201, 0.14);
    --btn-primary-bg-2: rgba(0, 177, 201, 0.1);
    --btn-primary-border: rgba(0, 112, 201, 0.2);
    --btn-primary-text: #0070c9;
    --btn-primary-shadow: rgba(0, 112, 201, 0.1);
    --btn-primary-shadow-inset: rgba(255, 255, 255, 0.5);
    --btn-primary-hover-1: rgba(0, 112, 201, 0.22);
    --btn-primary-hover-2: rgba(0, 177, 201, 0.15);
    --btn-primary-hover-shadow: rgba(0, 112, 201, 0.18);
    
    --btn-ghost-text: #526070;
    --btn-quiet-text: #526070;
    
    --btn-danger-bg: rgba(215, 0, 21, 0.1);
    --btn-danger-border: rgba(215, 0, 21, 0.2);
    --btn-danger-text: #d70015;
    --btn-danger-hover-bg: rgba(215, 0, 21, 0.15);
    --btn-danger-hover-border: rgba(215, 0, 21, 0.3);
    --btn-danger-hover-shadow: rgba(215, 0, 21, 0.15);
    
    --margin-border: rgba(23, 32, 44, 0.06);
    --sash-color: rgba(0, 112, 201, 0.24);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'IBM Plex Sans', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow: hidden;
    background:
        radial-gradient(circle at 18% 0%, var(--bg-radial), transparent 34%),
        linear-gradient(180deg, var(--bg-main-top) 0%, var(--bg-main-bottom) 100%);
    color: var(--text-main);
}

/* Compact command deck overlaying the editor */
.command-deck {
    position: absolute;
    top: 18px;
    left: 50%;
    transform: translateX(-50%);
    width: min(1320px, calc(100vw - 32px));
    z-index: 1000;
    display: grid;
    grid-template-columns: minmax(220px, 1fr) auto minmax(220px, 1fr);
    align-items: center;
    gap: 10px;
    
    background:
        linear-gradient(135deg, var(--deck-bg-gradient-1), var(--deck-bg-gradient-2)),
        radial-gradient(circle at 20% 0%, var(--deck-radial), transparent 38%);
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    border: 1px solid var(--deck-border);
    border-radius: 18px;
    padding: 8px;
    box-shadow: 0 18px 50px var(--deck-shadow), inset 0 1px 0 var(--deck-shadow-inset);
    
    transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    padding: 7px 10px 7px 8px;
}

.brand svg {
    flex: 0 0 auto;
    color: var(--brand-icon);
    filter: drop-shadow(0 0 12px var(--brand-icon-shadow));
}

.brand h1 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1;
    background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand span {
    display: block;
    margin-top: 4px;
    color: var(--brand-subtitle);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    line-height: 1;
    text-transform: uppercase;
    white-space: nowrap;
}

.edit-actions, .view-controls {
    display: flex;
    align-items: center;
    min-height: 44px;
    padding: 4px;
    background: var(--action-bg);
    border: 1px solid var(--action-border);
    border-radius: 14px;
}

.edit-actions {
    display: grid;
    grid-template-columns: minmax(132px, 1fr) auto minmax(132px, 1fr);
    justify-self: center;
    min-width: min(460px, 100%);
}

.view-controls {
    justify-self: end;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-height: 34px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--btn-text);
    padding: 8px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: background 0.16s ease, border-color 0.16s ease, color 0.16s ease, transform 0.16s ease, box-shadow 0.16s ease;
}

.btn svg {
    flex: 0 0 auto;
}

.btn:hover {
    background: var(--btn-hover-bg);
    border-color: var(--btn-hover-border);
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(1px);
    box-shadow: none;
}

.btn:focus-visible {
    outline: 2px solid var(--btn-focus-ring);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--btn-primary-bg-1), var(--btn-primary-bg-2));
    border-color: var(--btn-primary-border);
    color: var(--btn-primary-text);
    box-shadow: inset 0 1px 0 var(--btn-primary-shadow-inset), 0 8px 22px var(--btn-primary-shadow);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--btn-primary-hover-1), var(--btn-primary-hover-2));
    box-shadow: 0 10px 26px var(--btn-primary-hover-shadow);
}

.btn-ghost {
    color: var(--btn-ghost-text);
}

.btn-quiet {
    color: var(--btn-quiet-text);
}

.btn[aria-pressed="true"] {
    background: var(--btn-hover-bg);
    border-color: var(--btn-primary-border);
    color: var(--btn-primary-text);
}

.btn-danger {
    background: var(--btn-danger-bg);
    border-color: var(--btn-danger-border);
    color: var(--btn-danger-text);
}

.btn-danger:hover {
    background: var(--btn-danger-hover-bg);
    border-color: var(--btn-danger-hover-border);
    box-shadow: 0 4px 15px var(--btn-danger-hover-shadow);
}

#editor-container {
    width: 100vw;
    height: 100vh;
}

.monaco-diff-editor .diffOverview {
    opacity: 0.75;
}

.monaco-editor .margin,
.monaco-diff-editor .margin {
    border-right: 1px solid var(--margin-border);
}

.monaco-split-view2 > .sash-container .monaco-sash.vertical::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: linear-gradient(180deg, transparent, var(--sash-color), transparent);
    transform: translateX(-50%);
}

.monaco-diff-editor .modified-in-monaco-diff-editor .minimap {
    top: var(--editor-content-offset) !important;
    height: calc(100% - var(--editor-content-offset)) !important;
    background: transparent !important;
}

.monaco-diff-editor .modified-in-monaco-diff-editor .minimap canvas {
    opacity: 0.5;
}

.monaco-diff-editor .modified-in-monaco-diff-editor .minimap-decorations-layer,
.monaco-diff-editor .modified-in-monaco-diff-editor .minimap-slider,
.monaco-diff-editor .modified-in-monaco-diff-editor .minimap-shadow-hidden,
.monaco-diff-editor .modified-in-monaco-diff-editor .minimap-shadow-visible {
    background: transparent !important;
}

@media (max-width: 1040px) {
    .command-deck {
        grid-template-columns: 1fr auto;
    }

    .brand-group {
        order: 1;
    }

    .view-controls {
        order: 2;
    }

    .edit-actions {
        grid-column: 1 / -1;
        justify-self: stretch;
        order: 3;
    }

    .edit-actions .btn {
        flex: 1 1 0;
    }
}

@media (max-width: 680px) {
    .command-deck {
        top: 10px;
        width: calc(100vw - 20px);
        grid-template-columns: 1fr;
    }

    .brand-group,
    .edit-actions,
    .view-controls {
        justify-self: stretch;
    }

    .brand {
        justify-content: center;
        width: 100%;
        padding-block: 5px;
    }

    .brand span {
        display: none;
    }

    .edit-actions,
    .view-controls {
        overflow-x: auto;
        scrollbar-width: none;
    }

    .edit-actions::-webkit-scrollbar,
    .view-controls::-webkit-scrollbar {
        display: none;
    }

    .btn {
        flex: 1 0 auto;
        padding-inline: 10px;
    }
}