/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Page management */
.page {
    display: none;
    min-height: 100vh;
    padding: 20px 0;
}

.page.active {
    display: block;
}

/* Landing page styles */
header {
    text-align: center;
    margin-bottom: 40px;
    color: white;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.language-selector {
    text-align: center;
    margin-bottom: 30px;
}

.language-selector label {
    color: white;
    font-weight: bold;
    margin-right: 10px;
}

.language-selector select {
    padding: 8px 12px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    background: white;
}

.quiz-setup {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    max-width: 600px;
    margin: 0 auto;
}

.topic-input {
    margin-bottom: 30px;
}

.topic-input label {
    display: block;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #333;
    text-align: center;
}

.topic-input input {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.topic-input input:focus {
    outline: none;
    border-color: #667eea;
}

.game-settings {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.setting-group {
    text-align: center;
}

.setting-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 10px;
    color: #333;
}

.setting-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
    background: white;
    transition: border-color 0.3s;
}

.setting-group select:focus {
    outline: none;
    border-color: #667eea;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Player setup styles */
.player-count-selector {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.player-count-btn {
    background: white;
    border: 3px solid #ddd;
    padding: 20px 30px;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    min-width: 150px;
}

.player-count-btn:hover {
    border-color: #667eea;
    transform: translateY(-2px);
}

.player-count-btn.selected {
    border-color: #667eea;
    background: #667eea;
    color: white;
}

.start-game-section {
    text-align: center;
    margin-top: 30px;
}

/* Player Selection Interface */
.player-selection {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    max-width: 600px;
    margin: 20px auto;
}

.player-selection h3 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
    font-size: 1.5rem;
}

.car-seating-selection {
    margin-bottom: 30px;
}

.car-layout-selection {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 20px;
    max-width: 500px;
    margin: 0 auto;
}

.seat-selection {
    background: #f8f9fa;
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s;
}

.seat-selection.inactive {
    background: #e9ecef;
    border-color: #adb5bd;
    opacity: 0.6;
}

.player-selector {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}

.player-selector select {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    background: white;
    transition: border-color 0.3s;
}

.player-selector select:focus {
    outline: none;
    border-color: #667eea;
}

.active-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-weight: bold;
    color: #333;
}

.active-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.toggle-label {
    font-size: 0.9rem;
}

/* Game page styles */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
}

/* Car Seating Layout */
.car-seating {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    min-width: 400px;
}

.car-seating h3 {
    margin-bottom: 15px;
    color: #333;
    text-align: center;
}

.car-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 15px;
    max-width: 300px;
    margin: 0 auto;
}

.car-seat {
    background: #f8f9fa;
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    transition: all 0.3s;
    min-height: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.car-seat.inactive {
    background: #e9ecef;
    border-color: #adb5bd;
    opacity: 0.6;
}

.seat-label {
    font-weight: bold;
    margin-bottom: 8px;
    color: #333;
    font-size: 0.9rem;
}

.player-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.player-name {
    font-weight: bold;
    font-size: 1.1rem;
}

.player-score {
    background: #667eea;
    color: white;
    padding: 4px 12px;
    border-radius: 15px;
    font-weight: bold;
    font-size: 0.9rem;
}

/* Driver seat (top-left) */
.driver-seat {
    grid-column: 1;
    grid-row: 1;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    border-color: #ffc107;
}

/* Front passenger (top-right) */
.front-passenger-seat {
    grid-column: 2;
    grid-row: 1;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    border-color: #2196f3;
}

/* Left back (bottom-left) */
.left-back-seat {
    grid-column: 1;
    grid-row: 2;
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
    border-color: #4caf50;
}

/* Right back (bottom-right) */
.right-back-seat {
    grid-column: 2;
    grid-row: 2;
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd9 100%);
    border-color: #e91e63;
}

.game-info {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    min-width: 200px;
}

.current-player {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 10px;
    padding: 10px;
    border-radius: 8px;
    transition: all 0.3s;
}

.question-counter {
    color: #666;
    font-size: 1rem;
}

/* Game content */
.game-content {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    margin-bottom: 20px;
}

#question-text {
    font-size: 1.5rem;
    margin-bottom: 30px;
    text-align: center;
    color: #333;
    line-height: 1.4;
}

.answer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 15px;
    max-width: 800px;
    margin: 0 auto;
}

.answer-option {
    background: #f8f9fa;
    border: 3px solid #ddd;
    border-radius: 10px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
    font-size: 1.1rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

/* Player answer indicators in corners */
.answer-option .player-answer-corner {
    position: absolute;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 0.8rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 10;
}

.answer-option .driver-answer-corner {
    top: -10px;
    left: -10px;
    background-color: #ffc107;
}

.answer-option .front-passenger-answer-corner {
    top: -10px;
    right: -10px;
    background-color: #2196f3;
}

.answer-option .left-back-answer-corner {
    bottom: -10px;
    left: -10px;
    background-color: #4caf50;
}

.answer-option .right-back-answer-corner {
    bottom: -10px;
    right: -10px;
    background-color: #e91e63;
}

.answer-option:hover {
    border-color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.answer-option.dragging {
    opacity: 0.5;
    transform: rotate(5deg);
}

.answer-option.drag-over {
    border-color: #667eea;
    background: #e3f2fd;
    transform: scale(1.02);
}

.answer-option.has-player {
    border-color: #28a745;
    background: #d4edda;
    position: relative;
}

.answer-option.has-player::after {
    content: attr(data-player-number);
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 0.9rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 10;
}

.answer-option.has-player[data-player-number="1"]::after { background-color: #3B82F6; }
.answer-option.has-player[data-player-number="2"]::after { background-color: #EF4444; }
.answer-option.has-player[data-player-number="3"]::after { background-color: #10B981; }
.answer-option.has-player[data-player-number="4"]::after { background-color: #8B5CF6; }

.answer-option.correct {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

.answer-option.incorrect {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.answer-option.show-correct {
    background: #d4edda;
    border-color: #28a745;
    color: #155724;
}

/* Player Numbers Area */
.player-numbers-container {
    margin: 30px 0;
    text-align: center;
}

.player-numbers-container h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.player-numbers-grid {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

/* Player Answer Indicators */
.player-answer-indicators {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 20px 0;
    flex-wrap: wrap;
}

.answer-indicator {
    background: white;
    border: 2px solid #ddd;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    min-width: 120px;
    transition: all 0.3s;
}

.answer-indicator.driver-answer {
    border-color: #ffc107;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
}

.answer-indicator.front-passenger-answer {
    border-color: #2196f3;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
}

.answer-indicator.left-back-answer {
    border-color: #4caf50;
    background: linear-gradient(135deg, #e8f5e8 0%, #c8e6c9 100%);
}

.answer-indicator.right-back-answer {
    border-color: #e91e63;
    background: linear-gradient(135deg, #fce4ec 0%, #f8bbd9 100%);
}

.answer-indicator .player-number {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: white;
    font-size: 1rem;
    margin: 0 auto 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.answer-indicator .answer-text {
    font-size: 0.9rem;
    color: #333;
    font-weight: bold;
}

.player-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    cursor: grab;
    transition: all 0.3s;
    user-select: none;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.player-number:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.player-number:active {
    cursor: grabbing;
    transform: scale(0.95);
}

.player-number.dragging {
    opacity: 0.7;
    transform: rotate(10deg) scale(1.1);
    z-index: 1000;
}

.player-number.placed {
    opacity: 0.5;
    cursor: not-allowed;
    transform: scale(0.8);
}

/* Player colors */
.player-1 { color: #3B82F6; }
.player-2 { color: #EF4444; }
.player-3 { color: #10B981; }
.player-4 { color: #8B5CF6; }

.player-1-bg { background-color: #3B82F6; }
.player-2-bg { background-color: #EF4444; }
.player-3-bg { background-color: #10B981; }
.player-4-bg { background-color: #8B5CF6; }

/* Feedback */
.feedback {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    margin-bottom: 20px;
}

.feedback.correct {
    background: #d4edda;
    border: 2px solid #28a745;
    color: #155724;
}

.feedback.incorrect {
    background: #f8d7da;
    border: 2px solid #dc3545;
    color: #721c24;
}

/* Game finished */
#game-finished {
    text-align: center;
    color: white;
}

#game-finished h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

#final-scores {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    max-width: 500px;
    margin: 0 auto 30px;
}

.final-score-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid #eee;
    font-size: 1.2rem;
}

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

.final-score-item.winner {
    background: #d4edda;
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
    font-weight: bold;
    color: #155724;
}

#winner-announcement {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 20px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* Loading spinner */
.loading {
    text-align: center;
    color: white;
}

.spinner {
    border: 4px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top: 4px solid white;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

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

/* Utility classes */
.hidden {
    display: none !important;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    header h1 {
        font-size: 2rem;
    }
    
    .game-header {
        flex-direction: column;
        align-items: center;
    }
    
    .answer-grid {
        grid-template-columns: 1fr;
    }
    
    .game-settings {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .topic-input,
    .player-names,
    .game-content {
        padding: 20px;
    }
    
    #question-text {
        font-size: 1.2rem;
    }
    
    .answer-option {
        padding: 15px;
        font-size: 1rem;
    }
}