/* ===== RESET & BASICS ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html, body {
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    position: relative;
}

/* ===== APP LAYOUT ===== */
.App {
    min-height: 100vh;
    background: linear-gradient(135deg, #0c1c24 0%, #1a2f3a 50%, #243b47 100%);
    color: white;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    /* WICHTIG für iOS: allow scroll */
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.app-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: clamp(12px, 3vw, 20px);
    display: flex;
    flex-direction: column;
    min-height: 100vh; /* WICHTIG: volle Höhe */
}

/* ===== HEADER ===== */
.app-header {
    text-align: center;
    margin-bottom: clamp(20px, 4vw, 30px);
    width: 100%;
}

.header-content {
    margin-bottom: clamp(15px, 3vw, 25px);
}

h1 {
    font-size: clamp(1.5rem, 5vw, 2.2rem);
    margin-bottom: 0.5em;
    background: linear-gradient(45deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    padding: 0 clamp(10px, 3vw, 20px);
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

.app-beschreibung {
    font-size: clamp(0.9rem, 3vw, 1.1rem);
    opacity: 0.85;
    line-height: 1.5;
    padding: 0 clamp(10px, 3vw, 20px);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== LOADING INDICATOR ===== */
.lade-anzeige {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: clamp(20px, 5vw, 30px);
    margin: clamp(15px, 4vw, 25px) auto;
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-width: 500px;
    width: 100%;
}

.lade-inhalt {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(15px, 3vw, 20px);
}

.lade-spinner {
    width: clamp(40px, 10vw, 50px);
    height: clamp(40px, 10vw, 50px);
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #00d2ff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.lade-text {
    font-size: clamp(1rem, 3.5vw, 1.2rem);
    font-weight: 500;
}

.lade-balken {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.lade-fortschritt {
    height: 100%;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    transition: width 0.3s ease;
}

.lade-prozent {
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    font-weight: bold;
    color: #00d2ff;
}

.lade-hinweis {
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
    opacity: 0.7;
    text-align: center;
    margin-top: 5px;
}

/* ===== STATUS AREA ===== */
.status-bereich {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: clamp(15px, 3vw, 25px) 0;
    padding: 0 clamp(10px, 3vw, 20px);
}

.status-badge {
    padding: 10px 18px;
    border-radius: 25px;
    font-size: clamp(0.85rem, 2.5vw, 0.95rem);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid;
    white-space: nowrap;
}

.status-bereit {
    background: rgba(0, 255, 0, 0.1);
    border-color: rgba(0, 255, 0, 0.3);
}

.status-emotion {
    background: rgba(255, 165, 0, 0.1);
    border-color: rgba(255, 165, 0, 0.3);
}

.status-icon {
    font-size: 1.1em;
}

/* ===== MAIN CONTENT ===== */
.app-main {
    flex: 1;
    width: 100%;
    /* WICHTIG für iOS: ermöglicht Scrollen wenn Inhalt zu lang */
    min-height: 0;
    overflow-y: visible;
}

.erkennungs-container {
    width: 100%;
    margin-bottom: clamp(25px, 5vw, 35px);
}

/* ===== VIDEO CONTAINER ===== */
.video-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    background: #000;
    border-radius: 16px;
    overflow: hidden;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 100%;
}

/* Fallback für Browser ohne aspect-ratio support */
@supports not (aspect-ratio: 4/3) {
    .video-container {
        height: 0;
        padding-bottom: 75%; /* 4:3 Aspect Ratio */
        position: relative;
    }
    
    .video-container .webcam-video,
    .video-container .gesichts-canvas {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.webcam-video {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    
}

.gesichts-canvas {
    position: absolute;
    pointer-events: none;
    
}

/* ===== EMOTION OVERLAY ===== */
.emotion-overlay {
    position: absolute;
    top: clamp(12px, 3vw, 20px);
    right: clamp(12px, 3vw, 20px);
    background: rgba(0, 0, 0, 0.85);
    padding: clamp(10px, 2.5vw, 15px);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    z-index: 10;
    max-width: min(250px, 65vw);
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.emotion-display-overlay {
    width: 100%;
}

.emotion-header {
    display: flex;
    align-items: center;
    gap: clamp(8px, 2vw, 12px);
    margin-bottom: 12px;
}

.emotion-icon {
    font-size: clamp(1.5rem, 4vw, 2rem);
    flex-shrink: 0;
}

.emotion-info {
    flex: 1;
    min-width: 0;
}

.emotion-info h3 {
    font-size: clamp(0.95rem, 3vw, 1.2rem);
    margin: 0 0 4px 0;
    line-height: 1.2;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.konfidenz-text {
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
    opacity: 0.8;
    margin: 0;
}

.konfidenz-balken {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.konfidenz-fortschritt {
    height: 100%;
    transition: width 0.3s ease;
}

/* ===== CONTROLS ===== */
.kontrollen {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: clamp(12px, 3vw, 20px);
    padding: 0 10px;
    margin-top: 20px;
}

.kontroll-button {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: clamp(10px, 3vw, 14px) clamp(18px, 4vw, 24px);
    border-radius: 25px;
    font-size: clamp(0.9rem, 2.8vw, 1rem);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(5px);
    -webkit-appearance: none;
    touch-action: manipulation;
    /* iOS Touch Target Mindestgröße */
    min-height: 44px;
}

.kontroll-button:active {
    background: rgba(255, 255, 255, 0.12);
    transform: scale(0.98);
}

.kontroll-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.button-icon {
    font-size: 1.1em;
}

.button-text {
    white-space: nowrap;
}

.webcam-indicator {
    background: rgba(0, 255, 0, 0.08);
    padding: clamp(8px, 2.5vw, 12px) clamp(15px, 3.5vw, 20px);
    border-radius: 25px;
    border: 1px solid rgba(0, 255, 0, 0.25);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: clamp(0.9rem, 2.8vw, 1rem);
    min-height: 44px;
}

.indicator-icon {
    font-size: 1.1em;
}

.indicator-text {
    white-space: nowrap;
}

/* ===== INFO CARDS ===== */
.info-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
    gap: clamp(20px, 4vw, 30px);
    margin-bottom: clamp(25px, 5vw, 35px);
    width: 100%;
}

.info-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: clamp(20px, 4vw, 25px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-title {
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    color: #00d2ff;
    margin-bottom: clamp(15px, 3vw, 20px);
    display: flex;
    align-items: center;
    gap: 10px;
}

.info-list {
    list-style: none;
    padding: 0;
}

.info-list li {
    margin-bottom: clamp(10px, 2.5vw, 14px);
    line-height: 1.5;
    font-size: clamp(0.9rem, 2.8vw, 1rem);
    padding-left: 24px;
    position: relative;
}

.info-list li:before {
    content: "•";
    color: #00d2ff;
    position: absolute;
    left: 8px;
    font-size: 1.2em;
}

.info-list strong {
    color: #4A90E2;
}

/* ===== EMOTION STATISTICS - CARD DESIGN ===== */
.statistik-container {
    width: 100%;
    margin-bottom: clamp(25px, 5vw, 35px);
}

.emotion-statistik {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: clamp(20px, 4vw, 25px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.emotion-statistik h4 {
    font-size: clamp(1.1rem, 3.5vw, 1.4rem);
    color: #00d2ff;
    margin-bottom: 20px;
    text-align: center;
}

/* Emotions Grid Layout - Karten Design */
.emotion-verteilung {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

/* Emotion Card */
.emotion-karte {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 18px;
    border-left: 4px solid;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.emotion-karte:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.emotion-karte-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.emotion-karte-icon {
    font-size: 1.8em;
    min-width: 40px;
    text-align: center;
}

.emotion-karte-name {
    font-size: 1rem;
    font-weight: 500;
    flex: 1;
    margin-left: 12px;
    text-align: left;
}

.emotion-karte-prozent {
    font-size: 1.4rem;
    font-weight: bold;
    color: #00d2ff;
    min-width: 60px;
    text-align: right;
}

.emotion-karte-balken-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.emotion-karte-balken {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.emotion-karte-fortschritt {
    height: 100%;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.emotion-karte-count {
    font-size: 0.9rem;
    opacity: 0.7;
    min-width: 50px;
    text-align: right;
}

/* ===== MOBILE STATISTICS ===== */
.mobile-statistik {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 25px;
}

.mobile-statistik h4 {
    font-size: 1.1rem;
    color: #00d2ff;
    margin-bottom: 10px;
    text-align: center;
}

/* Mobile Emotion Items */
.mobile-emotion-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-emotion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.mobile-emotion-icon {
    font-size: 1.4em;
    min-width: 30px;
    text-align: center;
}

.mobile-emotion-label {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 500;
}

.mobile-emotion-percent {
    font-size: 1.1rem;
    font-weight: bold;
    min-width: 50px;
    text-align: right;
}

.mobile-emotion-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    width: 100%;
}

.mobile-emotion-progress {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.mobile-emotion-count {
    font-size: 0.8rem;
    opacity: 0.7;
    text-align: right;
}

.mobile-stats-info {
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.8;
    margin-bottom: 15px;
}

.mobile-emotions-list {
    margin-bottom: 20px;
}

.mobile-recent-container {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-recent-title {
    font-size: 0.9rem;
    opacity: 0.7;
    margin-bottom: 10px;
    text-align: center;
}

.mobile-recent-emotions {
    display: flex;
    justify-content: center;
    gap: 15px;
}

.mobile-recent-item {
    font-size: 1.5em;
    opacity: 0.9;
}

.mobile-reset-container {
    margin-top: 20px;
    text-align: center;
}

.mobile-reset-button {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 10px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 44px;
}

.mobile-reset-button:active {
    background: rgba(255, 255, 255, 0.15);
    transform: scale(0.95);
}

.mobile-placeholder {
    text-align: center;
    padding: 30px 20px;
}

.mobile-placeholder-icon {
    font-size: 2.5rem;
    opacity: 0.3;
    margin-bottom: 15px;
}

.mobile-placeholder-text {
    opacity: 0.7;
    margin-bottom: 10px;
}

.mobile-placeholder-count {
    display: inline-block;
    background: rgba(0, 210, 255, 0.1);
    padding: 8px 16px;
    border-radius: 16px;
    font-size: 0.85rem;
}

/* ===== MODEL ERROR ===== */
.modell-fehler {
    background: rgba(208, 2, 27, 0.1);
    border-radius: 16px;
    padding: clamp(20px, 5vw, 30px);
    margin: clamp(15px, 4vw, 25px) auto;
    border: 1px solid rgba(208, 2, 27, 0.4);
    max-width: 500px;
    width: 100%;
    text-align: left;
}

.modell-fehler h3 {
    color: #D0021B;
    font-size: clamp(1.2rem, 4vw, 1.5rem);
    margin-bottom: 15px;
    text-align: center;
}

.modell-fehler p {
    font-size: clamp(0.9rem, 3vw, 1rem);
    margin-bottom: 15px;
    line-height: 1.4;
}

.fehler-details {
    background: rgba(0, 0, 0, 0.2);
    padding: 10px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 15px;
}

.fehler-details p {
    margin: 5px 0;
}

.neu-laden-button {
    width: 100%;
    background: #D0021B;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
    margin-bottom: 15px;
}

.neu-laden-button:hover {
    background: #a30215;
}

.neu-laden-button:active {
    transform: scale(0.98);
}

.fehler-loesungstipps {
    font-size: 0.85rem;
    opacity: 0.7;
    padding-top: 10px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
}

/* ===== FOOTER ===== */
.app-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    padding-bottom: 20px;
}

.footer-text {
    font-size: clamp(0.8rem, 2.5vw, 0.9rem);
    opacity: 0.6;
    line-height: 1.5;
    padding: 0 10px;
}

.debug-info {
    font-size: 0.7rem;
    opacity: 0.4;
    margin-top: 5px;
}

/* ===== RESPONSIVE DESIGN ===== */
/* iPhone Notch/Safe Area Support */
@supports (padding: max(0px)) {
    .app-container {
        padding-left: max(clamp(12px, 3vw, 20px), env(safe-area-inset-left));
        padding-right: max(clamp(12px, 3vw, 20px), env(safe-area-inset-right));
        padding-top: max(clamp(12px, 3vw, 20px), env(safe-area-inset-top));
        padding-bottom: max(clamp(12px, 3vw, 20px), env(safe-area-inset-bottom));
    }
    
    .app-footer {
        padding-bottom: calc(20px + env(safe-area-inset-bottom));
    }
}

/* Mobile Devices */
@media (max-width: 768px) {
    .emotion-verteilung {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .emotion-karte {
        padding: 15px;
    }
    
    .emotion-karte-icon {
        font-size: 1.6em;
        min-width: 35px;
    }
    
    .emotion-karte-prozent {
        font-size: 1.2rem;
    }
    
    /* WICHTIG: Für iOS auf Mobile */
    .app-main {
        padding-bottom: 40px; /* Extra Platz für Footer */
    }
    
    .mobile-statistik {
        margin-left: env(safe-area-inset-left);
        margin-right: env(safe-area-inset-right);
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }
}

/* Landscape Mode */
@media (orientation: landscape) and (max-height: 600px) {
    .app-container {
        padding: 10px;
    }
    
    .video-container {
        aspect-ratio: 16/9;
        max-height: 60vh;
    }
    
    .info-container {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .emotion-overlay {
        max-width: 200px;
        padding: 10px;
    }
    
    .emotion-icon {
        font-size: 1.2rem;
    }
    
    .emotion-info h3 {
        font-size: 0.9rem;
    }
}

/* Very Small Devices */
@media (max-width: 375px) and (max-height: 700px) {
    h1 {
        font-size: 1.3rem;
    }
    
    .app-beschreibung {
        font-size: 0.85rem;
    }
    
    .video-container {
        border-radius: 12px;
    }
    
    .emotion-overlay {
        top: 8px;
        right: 8px;
        padding: 8px;
        max-width: 55vw;
    }
    
    .kontrollen {
        flex-direction: column;
        align-items: stretch;
    }
    
    .kontroll-button,
    .webcam-indicator {
        justify-content: center;
    }
    
    .emotion-karte {
        padding: 12px;
    }
    
    .emotion-karte-icon {
        font-size: 1.4em;
        min-width: 30px;
    }
    
    .emotion-karte-name {
        font-size: 0.9rem;
    }
    
    .emotion-karte-prozent {
        font-size: 1.1rem;
    }
}

/* Dark Mode Optimization */
@media (prefers-color-scheme: dark) {
    .App {
        background: linear-gradient(135deg, #0a161d 0%, #15242d 50%, #1e313c 100%);
    }
    
    .info-card,
    .emotion-statistik,
    .mobile-statistik,
    .lade-anzeige,
    .emotion-karte {
        background: rgba(255, 255, 255, 0.08);
    }
    
    .status-bereit {
        background: rgba(0, 255, 0, 0.15);
    }
    
    .status-emotion {
        background: rgba(255, 165, 0, 0.15);
    }
    
    .kontroll-button {
        background: rgba(255, 255, 255, 0.15);
    }
    
    .kontroll-button:active {
        background: rgba(255, 255, 255, 0.2);
    }
}

/* ===== iOS SAFARI SPECIFIC FIXES ===== */
@supports (-webkit-touch-callout: none) {
    /* iOS Safari braucht spezielle Behandlung für 100vh */
    .App {
        height: 100%;
        min-height: -webkit-fill-available;
    }
    
    html, body {
        height: 100%;
        overflow: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Verhindere Bounce Effect auf iOS */
    body {
        overscroll-behavior-y: none;
    }
    
    /* Fallback für aspect-ratio auf älteren iOS Versionen */
    .video-container {
        height: 0;
        padding-bottom: 75%;
        position: relative;
    }
    
    .video-container .webcam-video,
    .video-container .gesichts-canvas {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    
    /* Safari Font Rendering */
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    
    /* Safari Touch Improvements */
    @media (hover: none) and (pointer: coarse) {
        .kontroll-button:active {
            background: rgba(255, 255, 255, 0.15);
            transform: scale(0.95);
        }
        
        .emotion-karte:hover {
            transform: none;
        }
        
        .mobile-reset-button {
            min-height: 44px;
            min-width: 44px;
        }
    }
    
    /* Safari Text Gradient Fix */
    h1 {
        background: -webkit-linear-gradient(45deg, #00d2ff, #3a7bd5);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
}

/* Fallback für Browser ohne backdrop-filter support */
@supports not (backdrop-filter: blur(10px)) {
    .status-badge,
    .kontroll-button,
    .emotion-overlay {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: rgba(0, 0, 0, 0.7);
    }
}

/* WICHTIG: Verhindere horizontales Scrollen auf allen Geräten */
.app-container {
    overflow-x: hidden;
}

/* Verbesserte Scrollbarkeit für lange Inhalte */
@media (max-width: 768px) {
    .App {
        overflow-y: auto;
    }
    
    .app-main {
        overflow-y: visible;
        position: relative;
    }
}