/**
 * KINETIC // Crossword Intellect Terminal Core Stylesheet
 * Luxury Aesthetics: Dark Onyx & High-Contrast Lustrous Gold Typography
 */

:root {
    --bg-primary: #07090e;
    --bg-surface: #0e1320;
    --bg-card: #151c2e;
    --bg-cell-active: #1c263e;
    --bg-cell-focus: #283759;
    --bg-cell-block: #05070a;
    
    --border-subtle: #222d45;
    --border-gold: #dfb76c;
    --accent-gold: #dfb76c;
    --accent-gold-rgb: 223, 183, 108;
    --accent-red: #ef4444;
    
    --text-high-contrast: #ffffff;
    --text-normal: #f1f5f9;
    --text-muted: #94a3b8;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

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

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
    box-sizing: border-box;
}

.app-header {
    text-align: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 20px;
}

.app-header h1 {
    color: var(--text-high-contrast);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin: 0 0 6px 0;
}

.app-header h1 span {
    color: var(--accent-gold);
}

.app-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
    letter-spacing: 0.03em;
}

.app-like-trigger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 2px 10px;
    font-family: var(--font-stack);
    font-weight: 600;
    font-size: 0.75rem;
    color: var(--text-muted);
    cursor: pointer;
    margin-top: 12px;
    transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}

.app-like-trigger:hover:not(:disabled) {
    color: var(--accent-red);
    border-color: var(--accent-red);
    background: rgba(var(--accent-gold-rgb), 0.08);
    transform: scale(1.05);
}

.app-like-trigger.liked {
    color: var(--accent-gold);
    border-color: var(--accent-gold);
    background: rgba(var(--accent-gold-rgb), 0.08);
    cursor: not-allowed;
}

.app-like-trigger:disabled:not(.liked) {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Control Elements Dashboard Layout */
.control-dashboard {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.control-group {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.action-btn {
    padding: 12px 28px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-gold);
    color: #000000;
}

.btn-primary:hover:not(:disabled) {
    background-color: #f1ca7d;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--accent-gold);
    border-color: var(--border-subtle);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--bg-cell-active);
    border-color: var(--accent-gold);
}

.btn-danger {
    background-color: transparent;
    color: var(--accent-red);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--accent-red);
}

.action-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    transform: none !important;
}

/* Core Split Workspace Layout */
#crosswordWorkspaceCanvas {
    display: none; /* Dynamic deployment */
    grid-template-columns: 1fr 480px;
    gap: 30px;
    align-items: start;
}

/* Interactive Board Canvas Viewport */
.grid-viewport-wrapper {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.crossword-grid {
    display: grid;
    gap: 1px;
    background-color: var(--border-subtle);
    padding: 1px;
    border-radius: 4px;
    overflow: hidden;
}

/* Grid Cell Unit Interfacing */
.cell-container {
    position: relative;
    aspect-ratio: 1 / 1;
    background-color: var(--bg-cell-active);
    box-sizing: border-box;
}

.cell-container.block-unit {
    background-color: var(--bg-cell-block);
}

.cell-number-label {
    position: absolute;
    top: 3px;
    left: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent-gold);
    z-index: 10;
    pointer-events: none;
}

.cell-input-node {
    width: 100%;
    height: 100%;
    border: none;
    background: transparent;
    text-align: center;
    /* Large-scale bright typography for maximized readability on dark display layouts */
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--text-high-contrast);
    text-transform: uppercase;
    padding: 10px 0 0 0;
    box-sizing: border-box;
    caret-color: transparent;
}

.cell-input-node:focus {
    outline: none;
}

/* Cell State Intersections */
.cell-container.active-lane-highlight {
    background-color: var(--bg-cell-focus);
}

.cell-container.active-focus-highlight {
    background-color: rgba(var(--accent-gold-rgb), 0.25);
    box-shadow: inset 0 0 0 2px var(--accent-gold);
}

.cell-container.verification-success {
    box-shadow: inset 0 0 0 2px #10b981;
}

.cell-container.verification-failure {
    box-shadow: inset 0 0 0 2px var(--accent-red);
}

/* Sidebar Columns List Ledgers */
.clues-sidebar-panel {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.clue-ledger-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 24px;
    max-height: 380px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.clue-ledger-card h2 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-subtle);
    padding-bottom: 10px;
}

.clues-scroll-lane {
    overflow-y: auto;
    flex-grow: 1;
    padding-right: 6px;
}

/* Custom Scrollbar Optimization */
.clues-scroll-lane::-webkit-scrollbar { width: 6px; }
.clues-scroll-lane::-webkit-scrollbar-track { background: transparent; }
.clues-scroll-lane::-webkit-scrollbar-thumb { background: var(--border-subtle); border-radius: 3px; }
.clues-scroll-lane::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.clue-item-row {
    padding: 12px 14px;
    border-radius: 6px;
    margin-bottom: 8px;
    font-size: 1.05rem; /* Brightened, enlarged text */
    line-height: 1.5;
    color: var(--text-normal);
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    display: flex;
    align-items: start;
}

.clue-item-row .clue-id-index {
    font-weight: 800;
    color: var(--accent-gold);
    margin-right: 10px;
    min-width: 24px;
}

.clue-item-row:hover {
    background-color: var(--bg-card);
}

.clue-item-row.active-clue-highlight {
    background-color: var(--bg-cell-active);
    border-color: rgba(var(--accent-gold-rgb), 0.4);
    color: var(--text-high-contrast);
}

.empty-clue-msg {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.95rem;
    margin: 10px 0;
}

/* Operational Logging Infrastructure Status Elements */
#statusLoggingOverlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 100px 20px;
    text-align: center;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

#loaderSpinnerRing {
    display: none;
    width: 44px;
    height: 44px;
    border: 3px solid rgba(223, 183, 108, 0.1);
    border-radius: 50%;
    border-top-color: var(--accent-gold);
    animation: spinTrack 0.8s linear infinite;
    margin-bottom: 24px;
}

@keyframes spinTrack { to { transform: rotate(360deg); } }
#statusHeadingTitle { font-size: 1.35rem; font-weight: 700; margin: 0 0 10px 0; letter-spacing: 0.02em;}
#statusDescriptionMsg { color: var(--text-muted); font-size: 0.95rem; margin: 0; max-width: 520px; line-height: 1.6; }

/* Responsive Viewports Adaptation Layer */
@media (max-width: 1120px) {
    #crosswordWorkspaceCanvas { grid-template-columns: 1fr; }
    .clues-sidebar-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    .clue-ledger-card { max-height: 320px; }
}

@media (max-width: 650px) {
    .clues-sidebar-panel { grid-template-columns: 1fr; }
    #crosswordWorkspaceCanvas { gap: 20px; }
    .grid-viewport-wrapper { padding: 15px; }
    .cell-input-node { font-size: 1.25rem; padding: 6px 0 0 0; }
}

/* Additional Custom Parameter Panel Form Styles */
.control-grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 10px;
}
.selector-node {
    display: flex;
    flex-direction: column;
    text-align: left;
}
.selector-node label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 6px;
}
.dropdown-control, .input-control-node {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-subtle);
    border-radius: 6px;
    padding: 12px;
    color: var(--text-high-contrast);
    font-size: 1rem;
    outline: none;
    box-sizing: border-box;
}
.dropdown-control:focus, .input-control-node:focus {
    border-color: var(--border-gold);
}
@media (max-width: 768px) {
    .control-grid-layout { grid-template-columns: 1fr; gap: 15px; }
}