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

/* ===== Theme Variables ===== */
:root {
    /* Backgrounds */
    --bg-primary: #1e293b;
    --bg-secondary: #334155;

    /* Text */
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    /* Accent (amber) */
    --accent: #de802b;
    --accent-hover: #c06820;
    --accent-contrast: #ffffff;

    /* Tile status colors */
    --correct: #10b981;
    --correct-contrast: #ffffff;
    --correct-border: #059669;
    --present: #f59e0b;
    --present-contrast: #1e293b;
    --absent: #6b7280;
    --absent-contrast: #ffffff;

    /* UI Elements */
    --tile-border: #475569;
    --border: #475569;
    --border-light: #334155;

    /* Keyboard */
    --key-bg: #334155;
    --key-text: #f1f5f9;
    --key-hover: #475569;
    --key-absent-bg: #4b5563;
    --key-absent-text: #9ca3af;

    /* Form inputs */
    --input-bg: #1e293b;
    --input-border: #475569;
    --input-text: #f1f5f9;

    /* Messages */
    --win: #10b981;
    --error: #f59e0b;

    /* Misc */
    --divider: #64748b;
}

[data-theme="light"] {
    --bg-primary: #f1f5f9;
    --bg-secondary: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-contrast: #ffffff;
    --correct-contrast: #ffffff;
    --present-contrast: #1e293b;
    --absent-contrast: #ffffff;
    --tile-border: #cbd5e1;
    --border: #e2e8f0;
    --border-light: #e2e8f0;
    --key-bg: #e5e7eb;
    --key-text: #1e293b;
    --key-hover: #d1d5db;
    --key-absent-bg: #9ca3af;
    --key-absent-text: #f1f5f9;
    --input-bg: #ffffff;
    --input-border: #cbd5e1;
    --input-text: #1e293b;
    --divider: #cbd5e1;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
}

header h1 a {
    color: var(--accent);
    text-decoration: none;
    font-size: 2rem;
    font-weight: bold;
}

main {
    flex: 1;
    width: 100%;
    max-width: 600px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#home {
    text-align: center;
    padding-top: 3rem;
}

#home h2 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-secondary);
}

.mode-btn {
    display: block;
    width: 220px;
    padding: 1rem 2rem;
    margin: 0.75rem auto;
    font-size: 1.1rem;
    border: 2px solid var(--accent);
    background: transparent;
    color: var(--accent);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn:hover {
    background: var(--accent);
    color: var(--accent-contrast);
}

#grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 1.5rem 0;
}

.row {
    display: flex;
    gap: 6px;
    justify-content: center;
}

.tile {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    border: 2px solid var(--tile-border);
    border-radius: 4px;
    background: transparent;
    transition: all 0.3s;
}

.tile.submitted {
    border: none;
    animation: flip 0.3s ease;
}

.tile.correct {
    background: var(--correct);
    color: var(--correct-contrast);
}

.tile.present {
    background: var(--present);
    color: var(--present-contrast);
}

.tile.absent {
    background: var(--absent);
    color: var(--absent-contrast);
}

.tile.locked {
    background: var(--correct);
    color: var(--correct-contrast);
    border-color: var(--correct-border);
    cursor: default;
}

.tile.cursor {
    border-color: var(--text-primary);
    animation: cursor-blink 1s step-end infinite;
}

@keyframes cursor-blink {
    0%, 100% { border-color: var(--text-primary); }
    50% { border-color: var(--border); }
}

@keyframes flip {
    0% { transform: rotateX(0); }
    50% { transform: rotateX(90deg); }
    100% { transform: rotateX(0); }
}

#input-area {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

#submit-btn {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

#submit-btn:hover {
    background: var(--accent-hover);
}

#submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#keyboard {
    margin-top: 1.5rem;
    width: 100%;
    max-width: 500px;
}

.kb-row {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-bottom: 4px;
}

.kb-key {
    width: 32px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: bold;
    text-transform: uppercase;
    background: var(--key-bg);
    color: var(--key-text);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    user-select: none;
}

.kb-key.special {
    width: 52px;
    font-size: 0.7rem;
}

.kb-key:hover {
    background: var(--key-hover);
}

.kb-key:active {
    transform: scale(0.95);
}

.kb-key.correct {
    background: var(--correct);
}

.kb-key.present {
    background: var(--present);
    color: var(--present-contrast);
}

.kb-key.absent {
    background: var(--key-absent-bg);
    color: var(--key-absent-text);
}

#message {
    min-height: 2rem;
    text-align: center;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

#message.win {
    color: var(--win);
    font-weight: bold;
}

#message.lose {
    color: var(--accent);
    font-weight: bold;
}

#message.error {
    color: var(--error);
}

#stats {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Multiplayer styles */
#multiplayer {
    width: 100%;
    max-width: 500px;
    text-align: center;
}

.multi-screen {
    width: 100%;
}

.multi-form {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1rem 0;
    text-align: left;
}

.multi-form h3 {
    margin-bottom: 1rem;
    color: var(--accent);
}

.multi-form label {
    display: block;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.multi-form select,
.multi-form input[type="text"],
.multi-form input[type="number"] {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.5rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--input-text);
    font-size: 1rem;
}

.multi-form select option {
    background: var(--input-bg);
    color: var(--input-text);
}

.multi-divider {
    text-align: center;
    color: var(--divider);
    margin: 0.5rem 0;
    font-style: italic;
}

.multi-btn {
    display: block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    margin: 0.75rem 0;
    font-size: 1.1rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.2s;
}

.multi-btn:hover {
    background: var(--accent-hover);
}

.multi-btn.small {
    width: auto;
    display: inline-block;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
    margin: 0;
}

.multi-btn.secondary {
    background: var(--key-bg);
    color: var(--key-text);
}

.multi-btn.secondary:hover {
    background: var(--key-hover);
}

.lobby-info {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
    text-align: center;
}

.lobby-info p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.lobby-info strong {
    color: var(--accent);
    font-size: 1.2rem;
    letter-spacing: 0.2em;
}

.share-row {
    display: flex;
    gap: 0.5rem;
    margin: 0.5rem 0;
}

.share-row input {
    flex: 1;
    padding: 0.4rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 4px;
    color: var(--input-text);
    font-size: 0.85rem;
}

.lobby-settings {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

#lobby-players {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
}

#lobby-players li {
    padding: 0.4rem 0.75rem;
    background: var(--bg-secondary);
    border-radius: 4px;
    margin-bottom: 0.3rem;
    font-size: 0.95rem;
}

.game-header {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0.5rem 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

#game-word-indicator {
    font-weight: bold;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 5px;
}

#multi-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin: 1rem 0;
}

#multi-input-area {
    display: flex;
    justify-content: center;
    margin-bottom: 1rem;
}

#multi-submit-btn {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

#multi-submit-btn:hover {
    background: var(--accent-hover);
}

#multi-submit-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#multi-message {
    min-height: 2rem;
    text-align: center;
    font-size: 1.1rem;
    margin-top: 0.5rem;
}

#multi-message.win {
    color: var(--win);
    font-weight: bold;
}

#multi-message.lose {
    color: var(--accent);
    font-weight: bold;
}

#multi-message.error {
    color: var(--error);
}

#multi-keyboard {
    margin-top: 1rem;
    width: 100%;
    max-width: 500px;
}

.players-progress {
    width: 100%;
    margin-top: 1rem;
    text-align: left;
}

.players-progress h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

#progress-players {
    list-style: none;
    padding: 0;
}

#progress-players li {
    display: flex;
    align-items: center;
    padding: 0.3rem 0.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
}

#progress-players li .player-progress-circles {
    margin-left: auto;
}

.player-progress-circles {
    display: inline-flex;
    gap: 4px;
    margin-left: 8px;
    vertical-align: middle;
}

.word-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.word-dot.pending  { background: var(--key-absent-bg); }
.word-dot.current  { background: #3498db; }
.word-dot.won      { background: var(--win); }
.word-dot.lost     { background: var(--accent); }

#game-word-indicator .word-dot {
    width: 12px;
    height: 12px;
}

#rankings-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

#rankings-table th,
#rankings-table td {
    padding: 0.6rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

#rankings-table th {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

#rankings-table td {
    font-size: 0.95rem;
}

.word-results {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.word-result {
    background: var(--bg-secondary);
    border-radius: 6px;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.word-result-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.mini-row {
    display: flex;
    gap: 4px;
}

.mini-tile {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: bold;
    text-transform: uppercase;
    border-radius: 4px;
    color: var(--correct-contrast);
}

.mini-tile.correct {
    background: var(--correct);
    color: var(--correct-contrast);
}

.mini-tile.present {
    background: var(--present);
    color: var(--present-contrast);
}

.mini-tile.absent {
    background: var(--absent);
    color: var(--absent-contrast);
}

.player-tabs {
    display: flex;
    gap: 0;
    margin-top: 1rem;
    border-bottom: 2px solid var(--border);
}

.player-tab {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: bold;
    background: transparent;
    color: var(--text-muted);
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all 0.2s;
}

.player-tab:hover {
    color: var(--text-primary);
}

.player-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

.player-word-results {
    margin-top: 0.75rem;
}

#theme-toggle {
    background: transparent;
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
    transition: color 0.2s;
}
#theme-toggle:hover {
    color: var(--accent);
}

/* ===== Settings link (gear icon) ===== */
#settings-link {
    background: transparent;
    color: var(--text-primary);
    border: none;
    border-radius: 8px;
    padding: 0.4rem 0.6rem;
    cursor: pointer;
    font-size: 1.3rem;
    line-height: 1;
    text-decoration: none;
    transition: color 0.2s;
}
#settings-link:hover {
    color: var(--accent);
}

/* ===== Settings page ===== */
#settings-page {
    max-width: 640px;
    margin: 2rem auto;
    padding: 0 1rem;
}

#settings-page h1 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

#settings-page h2 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.btn-secondary {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.5rem 1.2rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.95rem;
    transition: background 0.2s;
}
.btn-secondary:hover {
    background: var(--accent);
    color: var(--accent-contrast);
}

/* ===== Palette grid ===== */
#palette-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 0.5rem;
}

@media (max-width: 480px) {
    #palette-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.palette-card {
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 0.75rem;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.1s;
}
.palette-card:hover {
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}
.palette-card.selected {
    border-color: var(--accent);
}

.palette-name {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    text-align: center;
}

.palette-preview {
    display: flex;
    gap: 0.3rem;
    justify-content: center;
}

.palette-tile {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    font-weight: bold;
    font-size: 1rem;
}

@media (max-width: 480px) {
    .tile {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }
    .kb-key {
        width: 28px;
        height: 42px;
        font-size: 0.75rem;
    }
    .kb-key.special {
        width: 44px;
        font-size: 0.65rem;
    }
    header h1 a {
        font-size: 1.5rem;
    }
}