/* Hospitality Booster - Nachhaltigkeits-Check PWA Styles */

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

:root {
    --green-dark: #1B5E20;
    --green-main: #2D7D32;
    --green-light: #4CAF50;
    --yellow: #FFA726;
    --red: #F44336;
    --gray-light: #F5F5F5;
    --gray-medium: #BDBDBD;
    --gray-dark: #424242;
    --white: #FFFFFF;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #E8F5E8 0%, #F1F8E9 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Welcome Screen */
.welcome-screen {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: 20px;
    animation: bounce 2s infinite;
}

.subtitle {
    font-size: 1.3rem;
    color: var(--gray-dark);
    margin-bottom: 40px;
    line-height: 1.5;
}

.teaser-ampel {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 40px 0;
    animation: pulse 2s infinite;
}

.ampel-light {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.ampel-green { background: var(--green-light); }
.ampel-yellow { background: var(--yellow); }
.ampel-red { background: var(--red); }

.start-btn {
    background: linear-gradient(135deg, var(--green-main), var(--green-light));
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    transform: translateY(0);
}

.start-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(45, 125, 50, 0.3);
}

/* Question Screen */
.question-screen {
    display: none;
    animation: slideInRight 0.5s ease-out;
}

.progress-container {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.progress-text {
    font-weight: 600;
    color: var(--gray-dark);
}

.category-badge {
    background: var(--green-light);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.progress-bar {
    height: 8px;
    background: var(--gray-light);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--green-main), var(--green-light));
    transition: width 0.5s ease-out;
    border-radius: 4px;
}

/* Loading States */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.loading-overlay.show {
    opacity: 1;
    pointer-events: all;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-light);
    border-top: 4px solid var(--green-main);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Zwischenfeedback */
.progress-feedback {
    background: linear-gradient(135deg, #E8F5E8, #F1F8E9);
    border-radius: 12px;
    padding: 15px 20px;
    margin-top: 15px;
    border-left: 4px solid var(--green-main);
    font-weight: 600;
    color: var(--green-dark);
    text-align: center;
    animation: slideInDown 0.5s ease-out;
}

.question-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    position: relative;
}

.question-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: 15px;
}

.question-description {
    color: var(--gray-dark);
    line-height: 1.6;
    margin-bottom: 20px;
}

.question-prompt {
    background: linear-gradient(135deg, #E8F5E8, #F1F8E9);
    border-radius: 12px;
    padding: 20px;
    margin: 20px 0 30px 0;
    border-left: 4px solid var(--green-main);
    font-weight: 600;
    color: var(--green-dark);
    font-size: 1.1rem;
    line-height: 1.4;
}

.slider-container {
    margin: 40px 0;
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--gray-dark);
}

.slider-wrapper {
    position: relative;
    margin: 20px 0;
}

.slider {
    width: 100%;
    height: 20px;
    border-radius: 10px;
    background: linear-gradient(90deg, var(--red), var(--yellow), var(--green-light));
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
    position: relative;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: var(--transition);
    border: 3px solid var(--green-main);
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.slider::-moz-range-thumb {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--white);
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    cursor: pointer;
    border: 3px solid var(--green-main);
}

/* Live Text Display */
.live-text-display {
    background: linear-gradient(135deg, #FFFDE7, #FFF9C4);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
    min-height: 80px;
    border-left: 4px solid #FFA726;
    transition: all 0.4s ease;
}

.live-text-display.level-1 { 
    background: linear-gradient(135deg, #FFEBEE, #FFCDD2); 
    border-left-color: #F44336;
}
.live-text-display.level-2 { 
    background: linear-gradient(135deg, #FFF3E0, #FFE0B2); 
    border-left-color: #FF7043;
}
.live-text-display.level-3 { 
    background: linear-gradient(135deg, #FFFDE7, #FFF9C4); 
    border-left-color: #FFA726;
}
.live-text-display.level-4 { 
    background: linear-gradient(135deg, #F1F8E9, #DCEDC8); 
    border-left-color: #7CB342;
}
.live-text-display.level-5 { 
    background: linear-gradient(135deg, #E8F5E8, #C8E6C9); 
    border-left-color: #4CAF50;
}

.live-text {
    font-weight: 500;
    color: var(--gray-dark);
    line-height: 1.5;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.live-text.changing {
    opacity: 0.5;
}

.tip-box {
    background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
    border-radius: var(--radius);
    padding: 20px;
    margin: 20px 0;
    border-left: 4px solid var(--green-main);
}

.tip-text {
    color: var(--gray-dark);
    font-style: italic;
    line-height: 1.5;
}

.navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.nav-btn {
    background: var(--white);
    border: 2px solid var(--green-main);
    color: var(--green-main);
    padding: 15px 30px;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    min-width: 120px;
}

.nav-btn:hover {
    background: var(--green-main);
    color: white;
    transform: translateY(-2px);
}

.nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.nav-btn.primary {
    background: var(--green-main);
    color: white;
}

.nav-btn.primary:hover {
    background: var(--green-dark);
}

/* Results Screen */
.results-screen {
    display: none;
    text-align: center;
    animation: fadeInUp 0.8s ease-out;
}

.results-header {
    margin-bottom: 40px;
}

.results-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--green-dark);
    margin-bottom: 20px;
}

.final-ampel {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 40px 0;
}

.final-light {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    animation: finalGlow 2s infinite;
}

.results-summary {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px;
    margin: 30px 0;
    box-shadow: var(--shadow);
}

.category-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.category-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px;
}

.category-icon {
    font-size: 1.8rem;
    margin-right: 10px;
}

.category-header h4 {
    flex: 1;
    margin: 0;
    color: var(--gray-dark);
    font-size: 1.1rem;
}

.category-score {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--green-main);
}



/* Kategorie-spezifischer Tipp */
.category-tip {
    background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
    border-radius: var(--radius);
    padding: 30px;
    margin: 30px 0;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--green-main);
    animation: slideInUp 0.6s ease-out;
}

.tip-header {
    text-align: center;
    margin-bottom: 25px;
}

.tip-header h3 {
    color: var(--green-dark);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.tip-header p {
    color: var(--gray-dark);
    font-size: 1rem;
    margin: 0;
}

.tip-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.tip-category {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 120px;
    padding: 15px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.tip-icon {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

.tip-category h4 {
    color: var(--green-dark);
    font-size: 1rem;
    margin: 0;
    text-align: center;
}

.tip-text {
    flex: 1;
}

.tip-text p {
    color: var(--gray-dark);
    font-weight: 500;
    margin-bottom: 15px;
    line-height: 1.5;
}

.tip-text ul {
    color: var(--gray-dark);
    line-height: 1.6;
    padding-left: 20px;
}

.tip-text li {
    margin-bottom: 8px;
}

.restart-btn {
    background: linear-gradient(135deg, var(--green-main), var(--green-light));
    color: white;
    border: none;
    padding: 20px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: var(--radius);
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    margin: 20px;
}

.restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 125, 50, 0.3);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

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

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

@keyframes finalGlow {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(0,0,0,0.2);
    }
    50% {
        box-shadow: 0 12px 40px rgba(76, 175, 80, 0.5);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .logo {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .question-card {
        padding: 20px;
    }
    
    .question-title {
        font-size: 1.3rem;
    }
    
    .ampel-light {
        width: 50px;
        height: 50px;
    }
    
    .final-light {
        width: 80px;
        height: 80px;
    }
    
    .final-ampel {
        gap: 20px;
    }
    
    .category-details {
        grid-template-columns: 1fr;
    }
    
    .tip-content {
        flex-direction: column;
        text-align: center;
    }
    
    .tip-category {
        min-width: auto;
        margin-bottom: 20px;
    }
}

/* Screen reader only content */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus styles for accessibility */
.slider:focus,
.nav-btn:focus,
.start-btn:focus,
.restart-btn:focus {
    outline: 3px solid var(--green-main);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --green-dark: #0d4d0d;
        --green-main: #1a5a1a;
        --green-light: #2d7d32;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* PWA specific styles */
@media (display-mode: standalone) {
    body {
        padding-top: env(safe-area-inset-top);
        padding-bottom: env(safe-area-inset-bottom);
    }
}