:root {
    --color-primary: #6366F1;
    --color-primary-light: #818CF8;
    --color-primary-dark: #4F46E5;
    --color-secondary: #EC4899;
    --color-secondary-light: #F472B6;
    --color-success: #10B981;
    --color-success-light: #34D399;
    --color-error: #EF4444;
    --color-error-light: #F87171;
    --color-warning: #F59E0B;
    --color-background: #0F172A;
    --color-surface: #1E293B;
    --color-surface-light: #334155;
    --color-text: #F8FAFC;
    --color-text-muted: #94A3B8;
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --border-radius: 12px;
    --border-radius-large: 24px;
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.5);
    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-background);
    color: var(--color-text);
    min-height: 100vh;
    min-height: 100dvh;
    overflow-x: hidden;
    line-height: 1.5;
}

.app-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
}

.screen {
    position: relative;
    width: 100%;
    min-height: 100vh;
    min-height: 100dvh;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.screen.active {
    display: flex;
}

.sound-control {
    position: fixed;
    top: 16px;
    right: 16px;
    z-index: 100;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sound-control:hover {
    background-color: var(--color-surface-light);
    transform: scale(1.1);
}

.sound-control:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.sound-control.muted {
    opacity: 0.6;
}

.splash-screen {
    background: linear-gradient(135deg, var(--color-background) 0%, #1a1a2e 100%);
    text-align: center;
}

.splash-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.splash-logo {
    font-size: clamp(2rem, 8vw, 3.5rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.splash-subtitle {
    font-size: clamp(1rem, 4vw, 1.5rem);
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
}

.loading-bar {
    width: 100%;
    max-width: 300px;
    height: 8px;
    background-color: var(--color-surface);
    border-radius: 4px;
    overflow: hidden;
    margin-top: 32px;
}

.loading-progress {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 4px;
    transition: width var(--transition-fast);
}

.loading-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.wheel-screen {
    padding: 16px;
    gap: 16px;
}

.screen-header {
    text-align: center;
}

.screen-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    font-weight: 700;
}

.wheel-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    max-width: 500px;
}

.wheel-pointer {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 20px solid transparent;
    border-right: 20px solid transparent;
    border-top: 40px solid var(--color-warning);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.5));
    z-index: 30;
}

.wheel-spinner {
    position: relative;
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1 / 1;
    margin-top: 20px;
}

#wheelCanvas {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    box-shadow: var(--shadow-large), 0 0 0 8px var(--color-surface), 0 0 0 12px var(--color-surface-light);
}

.wheel-center-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-text);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: var(--shadow-medium);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    z-index: 20;
}

.wheel-center-button:hover:not(:disabled) {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: var(--shadow-large);
}

.wheel-center-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.wheel-center-button:focus-visible {
    outline: 3px solid var(--color-secondary);
    outline-offset: 3px;
}

.wheel-instruction {
    font-size: clamp(1rem, 4vw, 1.25rem);
    color: var(--color-text-muted);
    text-align: center;
    min-height: 2em;
    font-style: italic;
}

.name-screen {
    text-align: center;
    padding: 20px;
}

.name-screen .screen-header {
    margin-bottom: 40px;
}

.name-screen-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex: 1;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
}

.spotlight-effect {
    display: none; /* Versteckt den gelben Schimmer */
}

.spotlight-label {
    font-size: 1rem;
    color: var(--color-warning);
    letter-spacing: 0.2em;
    margin-bottom: 8px;
}

.selected-name {
    font-size: clamp(3rem, 15vw, 6rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-warning), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: scaleIn 0.5s ease-out;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.time-to-shine {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

.category-selection {
    width: 100%;
    max-width: 600px;
}

.category-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
    margin-bottom: 8px;
}

.category-subtitle {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.category-buttons {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.category-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 24px 16px;
    border: 2px solid var(--color-surface-light);
    border-radius: var(--border-radius-large);
    background-color: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
}

.category-button:hover {
    border-color: var(--color-primary);
    background-color: var(--color-surface-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.category-button:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 8px;
}

.category-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.category-desc {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.quiz-screen {
    padding: 20px;
    justify-content: flex-start;
    padding-top: 80px;
}

.quiz-header {
    width: 100%;
    max-width: 600px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}

.quiz-progress {
    flex: 1;
    min-width: 200px;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 8px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--color-surface);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 4px;
    transition: width var(--transition-normal);
}

.quiz-score {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.125rem;
}

.score-label {
    color: var(--color-text-muted);
}

.score-value {
    font-weight: 700;
    color: var(--color-warning);
    font-size: 1.5rem;
}

.question-container {
    width: 100%;
    max-width: 600px;
}

.question-text {
    font-size: clamp(1.25rem, 5vw, 1.75rem);
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    line-height: 1.4;
}

.answers-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.answer-button {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--color-surface-light);
    border-radius: var(--border-radius);
    background-color: var(--color-surface);
    color: var(--color-text);
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.answer-button:hover:not(:disabled) {
    border-color: var(--color-primary);
    background-color: var(--color-surface-light);
}

.answer-button:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
}

.answer-button:disabled {
    cursor: not-allowed;
}

.answer-button.correct {
    border-color: var(--color-success);
    background-color: rgba(16, 185, 129, 0.2);
}

.answer-button.wrong {
    border-color: var(--color-error);
    background-color: rgba(239, 68, 68, 0.2);
}

.feedback-box {
    padding: 20px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-bottom: 16px;
}

.feedback-box.hidden {
    display: none;
}

.feedback-box.correct {
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--color-success);
}

.feedback-box.wrong {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--color-error);
}

.feedback-text {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.feedback-box.correct .feedback-text {
    color: var(--color-success-light);
}

.feedback-box.wrong .feedback-text {
    color: var(--color-error-light);
}

.feedback-info {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.next-button {
    display: block;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    padding: 16px 32px;
    border: none;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.next-button.hidden {
    display: none;
}

.next-button:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.next-button:focus-visible {
    outline: 3px solid var(--color-warning);
    outline-offset: 2px;
}

.result-screen {
    text-align: center;
}

.result-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.result-trophy {
    font-size: 6rem;
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}

.result-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.result-score {
    font-size: clamp(1.5rem, 8vw, 3rem);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-warning), var(--color-secondary));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 16px;
}

.result-message {
    font-size: clamp(1rem, 4vw, 1.5rem);
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.result-stars {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.star {
    font-size: 3rem;
    opacity: 0.3;
    transition: all var(--transition-normal);
}

.star.active {
    opacity: 1;
    animation: starPop 0.3s ease-out;
}

@keyframes starPop {
    0% { transform: scale(0); }
    50% { transform: scale(1.3); }
    100% { transform: scale(1); }
}

.restart-button {
    padding: 20px 48px;
    border: none;
    border-radius: var(--border-radius-large);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-text);
    font-size: 1.25rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.restart-button:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-large);
}

.restart-button:focus-visible {
    outline: 3px solid var(--color-warning);
    outline-offset: 3px;
}

@media (min-width: 480px) {
    .category-buttons {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .category-button {
        flex: 1;
        min-width: 150px;
        max-width: 200px;
    }
}

@media (min-width: 768px) {
    .wheel-wrapper {
        max-width: 550px;
    }
    
    .wheel-spinner {
        max-width: 480px;
    }
    
    .wheel-center-button {
        width: 100px;
        height: 100px;
        font-size: 1rem;
    }
    
    .wheel-pointer {
        border-left-width: 25px;
        border-right-width: 25px;
        border-top-width: 50px;
    }
}

@media (max-width: 380px) {
    .wheel-spinner {
        max-width: 280px;
    }
    
    .wheel-center-button {
        width: 60px;
        height: 60px;
        font-size: 0.75rem;
    }
    
    .wheel-pointer {
        border-left-width: 15px;
        border-right-width: 15px;
        border-top-width: 30px;
    }
}

/* Teilnehmer-Screen Styles */
.participants-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
}

.participants-setup {
    width: 100%;
    max-width: 600px;
    background: var(--color-surface);
    border-radius: var(--border-radius-large);
    padding: 2rem;
    box-shadow: var(--shadow-large);
}

.participants-input-section {
    margin-bottom: 2rem;
}

.input-group {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.input-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    background: var(--color-background);
    color: var(--color-text);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.input-group button {
    padding: 0.75rem 1rem;
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.25rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-normal);
    min-width: 50px;
}

.input-group button:hover {
    background: var(--color-primary-light);
    transform: scale(1.05);
}

.input-hint {
    color: var(--color-text-muted);
    font-size: 0.875rem;
    margin: 0;
}

.participants-list-section {
    margin-bottom: 2rem;
}

.participants-list-section h3 {
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.participants-list {
    min-height: 100px;
    background: var(--color-background);
    border: 2px solid var(--color-surface-light);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
}

.participant-item {
    background: var(--color-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

.participant-item button {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: var(--transition-fast);
}

.participant-item button:hover {
    background: rgba(255, 255, 255, 0.3);
}

.empty-message {
    color: var(--color-text-muted);
    font-style: italic;
    margin: 0;
}

.participants-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.primary-btn {
    background: var(--color-success);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-normal);
}

.primary-btn:hover:not(:disabled) {
    background: var(--color-success-light);
    transform: scale(1.05);
}

.primary-btn:disabled {
    background: var(--color-text-muted);
    cursor: not-allowed;
    transform: none;
}

.secondary-btn {
    background: var(--color-error);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition-normal);
}

.secondary-btn:hover {
    background: var(--color-error-light);
    transform: scale(1.05);
}

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