@import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=VT323&family=Outfit:wght@300;400;600;800&display=swap');

:root {
    --bg-main: #060913;
    --bg-panel: rgba(13, 20, 38, 0.7);
    --bg-panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f1f5f9;
    --text-muted: #64748b;
    
    --color-green: #00ff66;
    --color-green-glow: rgba(0, 255, 102, 0.35);
    --color-amber: #ffaa00;
    --color-amber-glow: rgba(255, 170, 0, 0.35);
    --color-red: #ff3366;
    --color-red-glow: rgba(255, 51, 102, 0.35);
    --color-cyan: #00f0ff;
    --color-cyan-glow: rgba(0, 240, 255, 0.35);

    --font-ui: 'Outfit', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
    --font-crt: 'VT323', monospace;
    
    --transition-speed: 0.2s;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-ui);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 255, 102, 0.05) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Header */
header {
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--bg-panel-border);
    backdrop-filter: blur(10px);
    background-color: rgba(6, 9, 19, 0.5);
    z-index: 10;
}

.title-container h1 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--color-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

.title-container p {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-cyan);
    margin-top: 0.1rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
}

.btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--bg-panel-border);
    color: var(--text-primary);
    padding: 0.4rem 0.8rem;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.05);
}

.btn-primary {
    background: rgba(0, 240, 255, 0.15);
    border: 1px solid var(--color-cyan);
    color: var(--color-cyan);
}

.btn-primary:hover {
    background: rgba(0, 240, 255, 0.25);
    box-shadow: 0 0 15px var(--color-cyan-glow);
}

.btn-danger {
    background: rgba(255, 51, 102, 0.15);
    border: 1px solid var(--color-red);
    color: var(--color-red);
}

.btn-danger:hover {
    background: rgba(255, 51, 102, 0.25);
    box-shadow: 0 0 15px var(--color-red-glow);
}

/* Layout Main Container */
main {
    flex: 1;
    display: grid;
    grid-template-columns: 290px 1fr;
    gap: 0.75rem;
    padding: 0.5rem 0.75rem;
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
}

/* Left Sidebar - Settings & Log */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--bg-panel-border);
    border-radius: 12px;
    padding: 0.8rem;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
}

.panel-title {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--color-cyan);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    border-bottom: 1px solid var(--bg-panel-border);
    padding-bottom: 0.3rem;
}

/* Parameters Control */
.parameter-control {
    display: flex;
    flex-direction: column;
    gap: 1.1rem;
}

.slider-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.slider-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
}

.slider-label {
    font-weight: 600;
}

.slider-val {
    font-family: var(--font-mono);
    color: var(--color-cyan);
}

.slider-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--color-cyan);
    cursor: pointer;
    box-shadow: 0 0 10px var(--color-cyan-glow);
    transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

/* Old School Retro Terminal Logger */
.retro-terminal-wrapper {
    height: 170px; /* Fixed height prevents UI shifting */
    display: flex;
    flex-direction: column;
    background: #020502;
    border: 2px solid #0d380e;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 255, 102, 0.15);
}

/* CRT Screen Effect Overlay */
.retro-terminal-wrapper::after {
    content: " ";
    display: block;
    position: absolute;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 2;
    background-size: 100% 3px, 6px 100%;
    pointer-events: none;
}

/* CRT Flicker */
@keyframes crt-flicker {
    0% { opacity: 0.985; }
    50% { opacity: 0.995; }
    100% { opacity: 0.985; }
}

.terminal-header {
    background: #051405;
    padding: 0.25rem 0.5rem;
    font-family: var(--font-crt);
    font-size: 0.9rem;
    color: #00cc44;
    border-bottom: 1.5px solid #0d380e;
    display: flex;
    justify-content: space-between;
    user-select: none;
    letter-spacing: 1px;
}

.terminal-screen {
    flex: 1;
    padding: 0.4rem;
    font-family: var(--font-crt);
    font-size: 1.05rem;
    line-height: 1.2;
    color: #00ff66;
    text-shadow: 0 0 3px rgba(0, 255, 102, 0.7);
    overflow: hidden;
    animation: crt-flicker 0.15s infinite;
    display: flex;
    flex-direction: column;
}

#log-history {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-right: 4px;
}

/* Custom scrollbar for terminal history */
#log-history::-webkit-scrollbar {
    width: 6px;
}
#log-history::-webkit-scrollbar-track {
    background: #020502;
}
#log-history::-webkit-scrollbar-thumb {
    background: #0d380e;
    border-radius: 3px;
}

.terminal-line {
    word-break: break-all;
    animation: line-fade-in 0.1s ease-out;
}

@keyframes line-fade-in {
    from { opacity: 0; transform: translateY(2px); }
    to { opacity: 1; transform: translateY(0); }
}

.terminal-line.info { color: #00ff66; }
.terminal-line.warn { color: #ffcc00; text-shadow: 0 0 3px rgba(255, 204, 0, 0.7); }
.terminal-line.error { color: #ff3366; text-shadow: 0 0 3px rgba(255, 51, 102, 0.7); }
.terminal-line.system { color: #00ccff; text-shadow: 0 0 3px rgba(0, 204, 255, 0.7); }

/* Right Column - Board, Clues & Live Status */
.game-area {
    display: grid;
    grid-template-rows: auto 1fr;
    gap: 0.75rem;
}

/* Stats Ribbon */
.stats-ribbon {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.stat-card {
    background: var(--bg-panel);
    border: 1px solid var(--bg-panel-border);
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    text-align: center;
    backdrop-filter: blur(12px);
}

.stat-label {
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: 0.1rem;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.stat-value.highlight-green { color: var(--color-green); }
.stat-value.highlight-amber { color: var(--color-amber); }
.stat-value.highlight-red { color: var(--color-red); }

/* Playboard Area */
.playboard-grid {
    display: grid;
    grid-template-columns: minmax(300px, 360px) 1fr;
    gap: 0.75rem;
}

/* Crossword Container & Sector Highlight */
.board-container {
    background: var(--bg-panel);
    border: 1px solid var(--bg-panel-border);
    border-radius: 12px;
    padding: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow: hidden;
}

/* 4 Quadrants Display */
.quadrant-overlay {
    position: absolute;
    top: 0.5rem;
    left: 0.5rem;
    right: 0.5rem;
    bottom: 0.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    pointer-events: none;
    z-index: 1;
}

.quadrant-sector {
    border: 1px dashed rgba(255, 255, 255, 0.05);
    position: relative;
    transition: background-color 0.2s, border-color 0.2s;
}

/* Quadrant timer status labels */
.quadrant-timer-indicator {
    position: absolute;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    color: var(--text-muted);
    background: rgba(6, 9, 19, 0.85);
    border: 1px solid var(--bg-panel-border);
    padding: 1px 4px;
    border-radius: 4px;
    z-index: 3;
}

.q1-timer { top: 4px; left: 4px; }
.q2-timer { top: 4px; right: 4px; }
.q3-timer { bottom: 4px; left: 4px; }
.q4-timer { bottom: 4px; right: 4px; }

/* Quadrant Warning Glows */
.quadrant-sector.warning {
    background-color: rgba(255, 170, 0, 0.03);
    border-color: rgba(255, 170, 0, 0.2);
}
.quadrant-sector.danger {
    background-color: rgba(255, 51, 102, 0.06);
    border-color: rgba(255, 51, 102, 0.4);
    animation: pulse-danger-border 1s infinite alternate;
}
.quadrant-sector.evicting {
    background-color: rgba(255, 51, 102, 0.4);
    border-color: var(--color-red);
}

@keyframes pulse-danger-border {
    0% { border-color: rgba(255, 51, 102, 0.2); }
    100% { border-color: rgba(255, 51, 102, 0.7); }
}

/* Crossword Grid Matrix */
.crossword-board {
    display: grid;
    grid-template-columns: repeat(11, 1fr);
    grid-template-rows: repeat(12, 1fr);
    gap: 3px;
    width: 100%;
    aspect-ratio: 11/12;
    z-index: 2;
}

.cell {
    background: transparent;
    aspect-ratio: 1;
    position: relative;
    border-radius: 4px;
    user-select: none;
}

.cell.empty {
    visibility: hidden;
}

.cell.letter-box {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s, border-color 0.2s, transform 0.1s;
}

.cell.letter-box:hover {
    background: rgba(30, 41, 59, 0.9);
    border-color: rgba(255, 255, 255, 0.25);
}

.cell.letter-box.active {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--color-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

/* Clue Index Number in Cell */
.cell-number {
    position: absolute;
    top: 2px;
    left: 4px;
    font-size: 0.65rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-weight: 600;
}

.cell-letter {
    font-size: 1.3rem;
    font-weight: 800;
    font-family: var(--font-mono);
    color: var(--text-primary);
    text-transform: uppercase;
}

/* Mutation glitched visual state */
.cell.letter-box.mutated {
    border-color: var(--color-amber);
    animation: glitch-flicker 1.5s infinite alternate;
}
.cell.letter-box.mutated .cell-letter {
    color: var(--color-amber);
    text-shadow: 0 0 5px var(--color-amber-glow);
}

/* Out of context visual state (faded memory warning) */
.cell.letter-box.out-of-context {
    border-color: rgba(255, 255, 255, 0.05);
}
.cell.letter-box.out-of-context .cell-letter {
    opacity: 0.55;
    color: var(--text-muted);
}

@keyframes glitch-flicker {
    0% { opacity: 0.95; box-shadow: 0 0 4px var(--color-amber-glow); }
    50% { opacity: 1; box-shadow: 0 0 8px var(--color-amber-glow); }
    100% { opacity: 0.85; box-shadow: 0 0 3px var(--color-amber-glow); }
}

/* Decay visual classes */
.cell.decay-low { border-color: rgba(255, 255, 255, 0.12); }
.cell.decay-medium { border-color: var(--color-amber); }
.cell.decay-high { border-color: var(--color-red); }

/* Clues Panel */
.clues-panel {
    display: grid;
    grid-template-rows: 1fr 1fr auto;
    gap: 0.5rem;
    height: 100%;
}

.clues-section {
    background: var(--bg-panel);
    border: 1px solid var(--bg-panel-border);
    border-radius: 12px;
    padding: 0.6rem;
    backdrop-filter: blur(12px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.clues-section h3 {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-cyan);
    text-transform: uppercase;
    margin-bottom: 0.4rem;
    padding-bottom: 0.2rem;
    border-bottom: 1px solid var(--bg-panel-border);
}

.clues-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding-right: 0.2rem;
}

.clues-list::-webkit-scrollbar {
    width: 4px;
}
.clues-list::-webkit-scrollbar-thumb {
    background: var(--bg-panel-border);
    border-radius: 2px;
}

.clue-item {
    font-size: 0.75rem;
    line-height: 1.4;
    cursor: pointer;
    padding: 0.2rem 0.3rem;
    border-radius: 4px;
    transition: all var(--transition-speed);
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 0.2rem;
}

.clue-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.clue-item.active {
    background: rgba(0, 240, 255, 0.08);
    border-left: 2px solid var(--color-cyan);
}

.clue-num {
    font-family: var(--font-mono);
    font-weight: bold;
    color: var(--color-cyan);
}

.clue-text {
    color: var(--text-primary);
}

.clue-item.solved .clue-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Modals & Dialogs */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(4, 6, 12, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: #0f172a;
    border: 1px solid var(--color-cyan);
    box-shadow: 0 0 30px rgba(0, 240, 255, 0.15);
    width: 90%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: 12px;
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transform: scale(0.95);
    transition: transform 0.3s;
}

.modal-content::-webkit-scrollbar {
    width: 6px;
}
.modal-content::-webkit-scrollbar-track {
    background: #0f172a;
}
.modal-content::-webkit-scrollbar-thumb {
    background: var(--color-cyan);
    border-radius: 3px;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-cyan);
    font-family: var(--font-mono);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-body {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.modal-body h4 {
    margin: 1rem 0 0.4rem 0;
    font-family: var(--font-mono);
    color: var(--color-cyan);
}

.modal-body p {
    margin-bottom: 0.8rem;
}

.modal-body ul {
    margin-left: 1.2rem;
    margin-bottom: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.modal-body li {
    font-size: 0.9rem;
}

.modal-body code {
    background: rgba(255, 255, 255, 0.08);
    padding: 2px 6px;
    font-family: var(--font-mono);
    border-radius: 4px;
    color: var(--color-cyan);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 0.5rem;
}

/* Share Score Output */
.share-preview-box {
    background: #020502;
    border: 1px solid #0d380e;
    color: #00ff66;
    font-family: var(--font-crt);
    font-size: 1.2rem;
    padding: 1rem;
    white-space: pre-wrap;
    border-radius: 6px;
    height: 180px;
    overflow-y: auto;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.9);
}

/* Responsive Scaling Rules */
@media (max-width: 900px) {
    main {
        grid-template-columns: 1fr;
    }
    .sidebar {
        order: 2;
    }
    .game-area {
        order: 1;
    }
    .playboard-grid {
        grid-template-columns: 310px 1fr;
        gap: 0.75rem;
    }
    .board-container {
        padding: 0.4rem;
    }
    .crossword-board {
        max-width: 300px;
    }
    .cell-letter {
        font-size: 1.2rem;
    }
    .cell-number {
        font-size: 0.55rem;
        top: 1px;
        left: 3px;
    }
}

@media (max-width: 550px) {
    .playboard-grid {
        grid-template-columns: 1fr;
    }
    .crossword-board {
        max-width: 280px;
    }
    .stats-ribbon {
        grid-template-columns: 1fr 1fr;
        gap: 0.4rem;
    }
    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
}

.blink-cursor {
    animation: terminal-blink 1s step-end infinite;
    color: #00ff66;
    text-shadow: 0 0 5px rgba(0, 255, 102, 0.8);
}

@keyframes terminal-blink {
    from, to { opacity: 0; }
    50% { opacity: 1; }
}

.btn-preset {
    font-size: 0.75rem;
    padding: 0.4rem 0.6rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px dashed var(--bg-panel-border);
}
.btn-preset:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
    background: rgba(0, 240, 255, 0.05);
}
.btn-preset.active {
    background: rgba(0, 240, 255, 0.12);
    border: 1px solid var(--color-cyan);
    color: var(--color-cyan);
    box-shadow: 0 0 10px rgba(0, 240, 255, 0.15);
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}
.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider-round {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--bg-panel-border);
    transition: .3s;
    border-radius: 34px;
}
.slider-round:before {
    position: absolute;
    content: "";
    height: 12px;
    width: 12px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-muted);
    transition: .3s;
    border-radius: 50%;
}
input:checked + .slider-round {
    background-color: rgba(0, 240, 255, 0.15);
    border-color: var(--color-cyan);
}
input:checked + .slider-round:before {
    transform: translateX(16px);
    background-color: var(--color-cyan);
}