/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* CSS Variables for theming */
:root {
    --bg-primary: #fdf6e3;
    --bg-secondary: #f5e6d3;
    --text-primary: #2c1810;
    --text-secondary: #5d4e37;
    --border-primary: #8b7355;
    --border-secondary: #d4c4a8;
    --accent-color: #2d5a27;
    --accent-light: #4a7c59;
    --accent-dark: #1e3d1a;
    --shadow-color: rgba(139, 115, 85, 0.2);
    --paper-texture: #f4e4c1;
}

[data-theme="dark"] {
    --bg-primary: #1a0f0a;
    --bg-secondary: #2c1810;
    --text-primary: #f4e4c1;
    --text-secondary: #d4c4a8;
    --border-primary: #8b7355;
    --border-secondary: #5d4e37;
    --accent-color: #4a7c59;
    --accent-light: #6b9a7a;
    --accent-dark: #2d5a27;
    --shadow-color: rgba(139, 115, 85, 0.3);
    --paper-texture: #2c1810;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    min-height: 100vh;
    color: var(--text-primary);
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    font-weight: 500;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.app-container {
    max-width: 500px;
    margin: 0 auto;
    min-height: 100vh;
    background: var(--bg-primary);
    position: relative;
    box-shadow: 0 0 0 1px #e5e5e5;
    overflow: hidden;
}

.background-logo {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    pointer-events: none;
}

.bg-logo {
    width: 300px;
    height: 300px;
    opacity: 0.03;
    filter: grayscale(100%);
    transition: opacity 0.3s ease;
}

[data-theme="dark"] .bg-logo {
    opacity: 0.05;
    filter: grayscale(100%) invert(1);
}

/* Header with Logo */
.header {
    background: var(--accent-color);
    color: var(--bg-primary);
    padding: 20px;
    padding-top: calc(20px + env(safe-area-inset-top));
    border-bottom: 3px solid var(--border-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease, color 0.3s ease;
    position: sticky;
    top: 0;
    z-index: 100;
}

.theme-toggle {
    background: transparent;
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
}

.theme-toggle:hover {
    background: var(--shadow-color);
    transform: scale(1.1);
}

.theme-icon {
    transition: transform 0.3s ease;
}

[data-theme="dark"] .theme-icon {
    transform: rotate(180deg);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.app-logo {
    width: 50px;
    height: 50px;
    border-radius: 8px;
    border: none;
}

.title-container h1 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 2px;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 0.85rem;
    opacity: 0.8;
    font-weight: 400;
}

/* Main Content */
.main-content {
    padding: 20px;
    padding-bottom: 100px;
    min-height: calc(100vh - 200px);
    background: var(--bg-primary);
    -webkit-overflow-scrolling: touch;
    transition: background-color 0.3s ease;
}

/* Paper Card Design */
.paper-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: 0;
    box-shadow: 0 2px 0 var(--border-primary);
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Score Input Card */
.score-input-container {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.category-selector {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-selector label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.category-select {
    padding: 12px 16px;
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    font-size: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.category-select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--shadow-color);
}

.category-select option {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.points-input {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.points-input label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.points-field {
    padding: 16px 20px;
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    font-size: 1.2rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-align: center;
    transition: all 0.2s ease;
}

.points-field:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--shadow-color);
    transform: scale(1.02);
}

.points-field::placeholder {
    color: var(--text-secondary);
}

/* Score Summary */
.score-summary {
    padding: 20px;
}

.player-score-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-secondary);
    transition: all 0.3s ease;
    border-radius: 8px;
    margin: 4px 0;
}

.player-score-row:last-child {
    border-bottom: none;
}

.player-score-row.current-player {
    background: var(--accent-color);
    color: var(--bg-primary);
    border: 2px solid var(--accent-dark);
    box-shadow: 0 4px 12px var(--shadow-color);
    transform: scale(1.02);
    position: relative;
    overflow: hidden;
    padding-left: 40px; /* Make space for the target emoji */
}

.player-score-row.current-player::before {
    content: '🎯';
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
    animation: pulse 1.5s infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translateY(-50%) scale(1); }
    50% { opacity: 0.7; transform: translateY(-50%) scale(1.1); }
}

.player-score-row.current-player .player-name {
    color: var(--bg-primary);
    font-weight: 800;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.player-score-row.current-player .player-total {
    color: var(--bg-primary);
    font-weight: 800;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.player-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

.player-total {
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.player-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.category-badge {
    padding: 4px 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.category-badge.used {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-dark);
}

.category-badge.available {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--accent-color);
}

.paper-header {
    background: var(--bg-secondary);
    padding: 16px 20px;
    border-bottom: 2px solid var(--border-primary);
    position: relative;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.paper-header h2,
.paper-header h3 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.2rem;
    margin: 0;
    text-align: center;
    letter-spacing: -0.3px;
    transition: color 0.3s ease;
}

/* Screens */
.screen {
    display: none;
    animation: fadeIn 0.2s ease-in-out;
}

.screen.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Setup Card */
.setup-card {
    padding: 0;
    margin-bottom: 20px;
}

.setup-card .player-selection {
    padding: 20px;
}

.player-selection h3 {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    transition: color 0.3s ease;
}

.player-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
    padding: 10px 0;
}

.player-item {
    display: inline-block;
    padding: 12px 20px;
    border: 2px solid var(--border-secondary);
    border-radius: 25px;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-align: center;
    min-width: 80px;
}

.player-item:hover {
    border-color: var(--border-primary);
    transform: translateY(-1px);
}

.player-item.selected {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
    box-shadow: 0 2px 0 var(--accent-color);
    transform: translateY(-1px);
}

.add-player {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.add-player input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e5e5e5;
    border-radius: 0;
    font-size: 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: border-color 0.2s ease;
    background: #ffffff;
}

.add-player input:focus {
    outline: none;
    border-color: #000000;
}

/* Buttons */
.btn {
    padding: 14px 24px;
    border: 2px solid #000000;
    border-radius: 0;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px;
    text-decoration: none;
    letter-spacing: -0.2px;
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-color: var(--accent-color);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-color);
}

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

.btn-secondary:hover:not(:disabled) {
    background: var(--accent-color);
    color: var(--bg-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px var(--shadow-color);
}

.btn-secondary:hover:not(:disabled) {
    background: #f8f8f8;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

#startGameBtn {
    width: 100%;
    font-size: 1.1rem;
    padding: 16px;
    margin-top: 10px;
}

.game-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
    padding-bottom: 20px;
}

.end-game-btn {
    min-width: 200px;
    font-size: 1.1rem;
    padding: 16px 32px;
}

/* Game Screen */
.game-header {
    margin-bottom: 20px;
    padding: 0;
}

.game-header .current-player {
    padding: 20px;
    font-size: 1.3rem;
    color: var(--bg-primary);
    text-align: center;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    transition: all 0.3s ease;
    background: var(--accent-color);
    border-radius: 0;
    margin: 0 0 20px 0;
    box-shadow: 0 4px 12px var(--shadow-color);
    border: 3px solid var(--accent-dark);
    position: relative;
    overflow: hidden;
}

.game-header .current-player::before {
    content: '🎯 CURRENT PLAYER';
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
    opacity: 0.9;
    letter-spacing: 1px;
    text-align: center;
}

.game-header .current-player::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.current-player-name {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    margin-top: 8px;
}

.player-name {
    font-weight: 700;
    color: var(--text-primary);
    transition: color 0.3s ease;
}

/* Scoreboard - Minimalist Design */
.scoreboard {
    padding: 0;
    margin-bottom: 20px;
}

.score-sheet {
    width: 100%;
    border: 2px solid #000000;
    border-radius: 0;
    overflow: hidden;
    background: #ffffff;
    -webkit-overflow-scrolling: touch;
}

.score-header {
    display: grid;
    grid-template-columns: 2fr repeat(auto-fit, minmax(80px, 1fr));
    background: var(--accent-color);
    color: var(--bg-primary);
    font-weight: 700;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    position: sticky;
    top: 0;
    z-index: 10;
}

.category-column,
.player-column {
    padding: 12px 8px;
    text-align: center;
    border-right: 1px solid #333333;
    font-size: 0.9rem;
}

.player-column:last-child {
    border-right: none;
}

.score-sections {
    background: #ffffff;
    max-height: 60vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.section-header {
    background: var(--bg-secondary);
    padding: 12px 16px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1rem;
    border-bottom: 2px solid var(--border-primary);
    border-top: 1px solid var(--border-secondary);
    position: sticky;
    top: 0;
    z-index: 5;
}

.score-row {
    display: grid;
    grid-template-columns: 2fr repeat(auto-fit, minmax(80px, 1fr));
    border-bottom: 1px solid #e5e5e5;
    min-height: 50px;
    transition: background-color 0.2s ease;
}

.score-row:hover {
    background: #f8f8f8;
}

.score-row.total-row,
.score-row.grand-total-row {
    background: var(--accent-color);
    color: var(--bg-primary);
    border-bottom: 2px solid var(--accent-color);
    font-weight: 700;
    position: sticky;
    bottom: 0;
    z-index: 5;
}

.score-row.grand-total-row {
    background: #000000;
    color: #ffffff;
    font-size: 1.1rem;
}

.category-cell {
    padding: 8px 12px;
    border-right: 1px solid #e5e5e5;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #ffffff;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.category-cell:hover {
    background: #f8f8f8;
}

.category-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.category-desc {
    font-size: 0.75rem;
    color: #666666;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin-top: 2px;
}

.score-cell {
    padding: 8px;
    border-right: 1px solid var(--border-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    position: relative;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.score-cell:hover {
    background: var(--bg-secondary);
}

.score-cell:last-child {
    border-right: none;
}

.score-cell.current {
    background: var(--accent-color);
    color: var(--bg-primary);
    box-shadow: inset 0 0 0 2px var(--bg-primary);
}

.score-cell.used {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.score-cell.total-cell {
    font-weight: 700;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.score-cell.grand-total-cell {
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--bg-primary);
}

.score-input {
    width: 100%;
    max-width: 60px;
    padding: 6px 8px;
    border: 2px solid var(--border-primary);
    border-radius: 0;
    text-align: center;
    font-size: 0.9rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
    outline: none;
}

.score-input:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--shadow-color);
}

.score-value {
    font-weight: 700;
    font-size: 1rem;
    user-select: none;
}

.score-cell.editing {
    background: var(--bg-primary);
    box-shadow: inset 0 0 0 2px var(--accent-color);
}

/* History and Leaderboard */
.history-header,
.leaderboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.history-header h2,
.leaderboard-header h2 {
    color: var(--text-primary);
    font-size: 1.4rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 700;
}

.history-list,
.leaderboard-list {
    background: var(--bg-primary);
    border: 2px solid var(--border-primary);
    border-radius: 0;
    padding: 20px;
    box-shadow: 0 2px 0 #000000;
}

.history-item {
    padding: 16px;
    border-bottom: 1px solid #e5e5e5;
    transition: background-color 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.history-item:hover {
    background: #f8f8f8;
}

.history-item:last-child {
    border-bottom: none;
}

.history-date {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
    font-weight: 600;
}

.history-location,
.history-duration {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.history-players {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.history-winner {
    color: var(--text-primary);
    font-weight: 700;
}

.leaderboard-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    border-bottom: 1px solid var(--border-secondary);
    transition: background-color 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.leaderboard-item:hover {
    background: var(--bg-secondary);
}

.leaderboard-item:last-child {
    border-bottom: none;
}

.leaderboard-rank {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.2rem;
    min-width: 30px;
}

.leaderboard-name {
    flex: 1;
    margin-left: 15px;
    font-weight: 600;
    color: var(--text-primary);
}

.leaderboard-score {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 500px;
    background: var(--bg-primary);
    border-top: 2px solid var(--border-primary);
    display: flex;
    padding: 10px;
    box-shadow: 0 -2px 0 var(--border-primary);
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.bottom-nav.hidden {
    opacity: 0;
    visibility: hidden;
}

.nav-btn {
    flex: 1;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    color: var(--text-secondary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.nav-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-btn.active {
    background: var(--accent-color);
    color: var(--bg-primary);
}

.nav-icon {
    font-size: 1.5rem;
}

.nav-text {
    font-size: 0.8rem;
    font-weight: 600;
}

/* Responsive Design */
@media (max-width: 480px) {
    .main-content {
        padding: 15px;
        padding-bottom: 100px;
    }
    
    .setup-card,
    .game-header,
    .scoreboard {
        padding: 0;
    }
    
    .header h1 {
        font-size: 1.4rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .game-actions {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 15px;
        max-height: 85vh;
    }
    
    .score-row {
        grid-template-columns: 1.5fr repeat(auto-fit, minmax(60px, 1fr));
    }
    
    .category-cell {
        padding: 6px 8px;
    }
    
    .score-cell {
        padding: 6px;
        min-height: 40px;
    }
    
    .category-name {
        font-size: 0.8rem;
    }
    
    .category-desc {
        font-size: 0.7rem;
    }
    
    .score-input {
        max-width: 50px;
        font-size: 0.8rem;
        padding: 4px 6px;
    }
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #000000;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Success Animation */
.success {
    animation: successPulse 0.4s ease-in-out;
}

@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.02); }
    100% { transform: scale(1); }
}