/* KTANE 3-Player Split Manual — Shared Styles */
/* Follows Adam's Web UI Guide: dark theme, no frameworks, vanilla CSS */

:root {
    --bg: #000000;
    --bg-card: #141414;
    --bg-dim: #28282d;
    --grid-line: #1e1e23;
    --muted: #50505a;
    --secondary: #78788a;
    --text: #b4b4b4;
    --cyan: #328cff;
    --green: #00c864;
    --amber: #ffc800;
    --red: #ff5050;
    --row-hover: #0f0f12;
    --border: #28282d;
    --font: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', Consolas, monospace;
    --accent: var(--cyan);
}

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

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Landing Page ── */
.landing {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}

.landing-icon {
    width: 120px;
    height: 120px;
    border-radius: 20px;
    margin-bottom: 16px;
}

.landing h1 {
    font-size: 28px;
    color: #e0e0e0;
    text-align: center;
    margin-bottom: 4px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.landing .subtitle {
    color: var(--secondary);
    font-size: 14px;
    text-align: center;
    margin-bottom: 32px;
}

.landing .desc {
    color: var(--muted);
    font-size: 13px;
    text-align: center;
    margin-bottom: 28px;
    max-width: 400px;
}

.manual-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.manual-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 160px;
    height: 160px;
    border-radius: 12px;
    border: 2px solid var(--border);
    background: var(--bg-card);
    cursor: pointer;
    transition: border-color 0.2s, transform 0.1s, background 0.2s;
    text-decoration: none;
}

.manual-btn:hover {
    transform: scale(1.04);
    text-decoration: none;
}

.manual-btn.alpha {
    border-color: rgba(255, 80, 80, 0.3);
}
.manual-btn.alpha:hover {
    border-color: var(--red);
    background: rgba(255, 80, 80, 0.06);
}

.manual-btn.bravo {
    border-color: rgba(50, 140, 255, 0.3);
}
.manual-btn.bravo:hover {
    border-color: var(--cyan);
    background: rgba(50, 140, 255, 0.06);
}

.manual-btn .btn-label {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 4px;
}

.manual-btn.alpha .btn-label { color: var(--red); }
.manual-btn.bravo .btn-label { color: var(--cyan); }

.manual-btn .btn-sub {
    font-size: 12px;
    color: var(--secondary);
}

/* ── Routing Table (shared) ── */
.routing-section {
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

.routing-section h2 {
    font-size: 16px;
    color: var(--secondary);
    text-align: center;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.routing-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.routing-table th {
    background: var(--bg-card);
    color: var(--muted);
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.routing-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--grid-line);
    vertical-align: top;
}

.routing-table tr:hover td {
    background: var(--row-hover);
}

.tag-alpha {
    color: var(--red);
    font-weight: 600;
    font-size: 11px;
}

.tag-bravo {
    color: var(--cyan);
    font-weight: 600;
    font-size: 11px;
}

/* ── Manual Page Layout ── */
.manual-page {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 16px 60px;
}

.manual-header {
    padding: 16px 0 12px;
    border-bottom: 2px solid var(--accent);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.manual-header .back {
    color: var(--secondary);
    font-size: 13px;
    flex-shrink: 0;
}

.manual-header h1 {
    font-size: 22px;
    color: #e0e0e0;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.manual-header .expert-label {
    color: var(--secondary);
    font-size: 12px;
    margin-left: auto;
    flex-shrink: 0;
}

/* ── Module Navigation ── */
.module-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
    padding: 10px 0;
    border-bottom: 1px solid var(--grid-line);
}

.module-nav a {
    font-size: 11px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--secondary);
    transition: color 0.15s, border-color 0.15s;
}

.module-nav a:hover {
    color: var(--accent);
    border-color: var(--accent);
    text-decoration: none;
}

/* ── Routing Banner (in manual) ── */
.routing-banner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 16px;
    overflow: hidden;
}

.routing-banner summary {
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    user-select: none;
    list-style: none;
}

.routing-banner summary::before {
    content: '+ ';
    color: var(--accent);
}

.routing-banner[open] summary::before {
    content: '- ';
}

.routing-banner .routing-inner {
    padding: 0 14px 12px;
}

/* ── Module Sections ── */
.module {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 12px;
    overflow: hidden;
}

.module-header {
    padding: 12px 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: background 0.15s;
}

.module-header:hover {
    background: var(--row-hover);
}

.module-header h2 {
    font-size: 16px;
    color: #e0e0e0;
    font-weight: 600;
}

.module-header .toggle {
    color: var(--accent);
    font-size: 18px;
    font-weight: 700;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.module-content {
    display: none;
    padding: 0 14px 14px;
}

.module.open .module-content {
    display: block;
}

.module.open .toggle::after {
    content: '-';
}

.module:not(.open) .toggle::after {
    content: '+';
}

/* ── Module Content Styling ── */
.module-content p {
    margin-bottom: 10px;
    color: var(--text);
    font-size: 14px;
}

.module-content .note {
    color: var(--amber);
    font-size: 13px;
    font-style: italic;
    margin-bottom: 10px;
    padding: 8px 10px;
    background: rgba(255, 200, 0, 0.06);
    border-left: 3px solid var(--amber);
    border-radius: 0 4px 4px 0;
}

.module-content .handoff {
    color: var(--accent);
    font-size: 13px;
    padding: 8px 10px;
    background: rgba(50, 140, 255, 0.06);
    border-left: 3px solid var(--accent);
    border-radius: 0 4px 4px 0;
    margin-bottom: 10px;
}

.manual-alpha .handoff {
    border-left-color: var(--cyan);
    color: var(--cyan);
}

.manual-bravo .handoff {
    border-left-color: var(--red);
    color: var(--red);
}

.module-content h3 {
    font-size: 14px;
    color: var(--accent);
    margin: 14px 0 8px;
    font-weight: 600;
}

.module-content ul, .module-content ol {
    padding-left: 20px;
    margin-bottom: 10px;
}

.module-content li {
    margin-bottom: 4px;
    font-size: 14px;
}

/* ── Tables ── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin: 10px 0;
}

.data-table th {
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 7px 10px;
    border-bottom: 1px solid var(--grid-line);
}

.data-table tr:hover td {
    background: var(--row-hover);
}

.data-table .center { text-align: center; }

/* Keypad symbols table */
.keypad-table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
}

.keypad-table th {
    background: rgba(255, 255, 255, 0.04);
    color: var(--muted);
    padding: 6px 8px;
    font-size: 11px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.keypad-table td {
    padding: 10px 8px;
    text-align: center;
    font-size: 28px;
    border-bottom: 1px solid var(--grid-line);
    border-right: 1px solid var(--grid-line);
    line-height: 1.2;
}

.keypad-table td:last-child { border-right: none; }

.keypads-img {
    width: auto;
    max-height: 280px;
    display: block;
    margin: 10px auto;
    border-radius: 6px;
    background: #fff;
    padding: 4px;
}

/* LED grid for knobs */
.led-grid {
    display: inline-grid;
    grid-template-columns: repeat(6, 28px);
    grid-template-rows: repeat(2, 28px);
    gap: 2px;
    margin: 6px 8px 6px 0;
}

.led-grid .led {
    width: 28px;
    height: 28px;
    border-radius: 3px;
    border: 1px solid var(--border);
    background: var(--bg);
}

.led-grid .led.on {
    background: var(--accent);
    border-color: var(--accent);
}

/* Morse code chart */
.morse-chart {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 2px;
    font-family: var(--font-mono);
    font-size: 13px;
    margin: 10px 0;
}

.morse-char {
    padding: 4px 8px;
    background: var(--bg-card);
    border: 1px solid var(--grid-line);
    display: flex;
    justify-content: space-between;
}

.morse-char .letter { color: var(--accent); font-weight: 600; }
.morse-char .code { color: var(--text); }

/* Password word grid */
.password-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 6px;
    margin: 10px 0;
}

.password-word {
    padding: 8px;
    text-align: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text);
}

/* Maze images */
.maze-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin: 10px 0;
}

.maze-item {
    background: #fff;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border);
}

.maze-item img {
    width: 100%;
    display: block;
}

.maze-item .maze-label {
    background: var(--bg-card);
    padding: 6px 10px;
    font-size: 12px;
    color: var(--secondary);
    text-align: center;
}

/* ── Who's on First special styling ── */
.wof-step2 {
    font-size: 12px;
}

.wof-step2 td:first-child {
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
    font-size: 13px;
}

.wof-step2 td:last-child {
    color: var(--secondary);
    font-size: 11px;
    line-height: 1.6;
}

/* ── Theme Overrides ── */
.manual-alpha {
    --accent: var(--red);
}

.manual-bravo {
    --accent: var(--cyan);
}

.manual-alpha .manual-header {
    border-bottom-color: var(--red);
}

.manual-bravo .manual-header {
    border-bottom-color: var(--cyan);
}

/* ── Footer ── */
.page-footer {
    text-align: center;
    padding: 24px 16px;
    color: var(--muted);
    font-size: 11px;
    border-top: 1px solid var(--grid-line);
    margin-top: 24px;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .manual-header h1 { font-size: 18px; }
    .manual-btn { width: 140px; height: 140px; }
    .led-grid { grid-template-columns: repeat(6, 24px); grid-template-rows: repeat(2, 24px); }
    .led-grid .led { width: 24px; height: 24px; }
    .keypad-table td { font-size: 22px; padding: 8px 4px; }
    .morse-chart { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
    .wof-step2 td:last-child { font-size: 10px; }
}