:root {
    /* Helle Farbpalette (Bier/Gold Theme) */
    --bg-gradient-1: #fdfbf7;
    --bg-gradient-2: #f0e4c8;
    --text-main: #3d2c05;
    --text-muted: #6b5836;
    
    /* Glassmorphism Variables */
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.6);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --glass-blur: blur(16px);
    
    /* UI Colors */
    --accent: #e6b32e;
    --accent-hover: #c79618;
    --danger: #d32f2f;
    --success: #388e3c;
    
    /* Liquid Colors */
    --liquid-light: #ffca28;
    --liquid-dark: #ff6f00;
}

body.dark-mode {
    /* Dunkle Farbpalette (Nacht/Bar Theme) */
    --bg-gradient-1: #1a1a1a;
    --bg-gradient-2: #050505;
    --text-main: #f0f0f0;
    --text-muted: #aaaaaa;
    
    --glass-bg: rgba(20, 20, 20, 0.6);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    --accent: #ffc107;
    --accent-hover: #ffca28;
    --danger: #ef5350;
    --success: #66bb6a;
    
    --liquid-light: #ffd54f;
    --liquid-dark: #ff8f00;
}

/* --- RESET & BASE --- */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top left, var(--bg-gradient-1), var(--bg-gradient-2));
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background 0.5s ease, color 0.3s ease;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,0.2); }
body.dark-mode ::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); }

/* --- HEADER --- */
header {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.8rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

header #logo {
    height: 35px;
    width: 35px;
    margin-right: 12px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
header #logo:hover { transform: rotate(15deg) scale(1.1); }

header h1 {
    margin: 0;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--text-main), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: var(--text-main);
}
@supports (-webkit-background-clip: text) { header h1 { color: transparent; } }

.controls-container {
    position: absolute;
    right: 1.5rem;
    display: flex;
    gap: 8px;
}

/* --- BUTTONS --- */
button {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 6px 12px;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

button:hover:not(:disabled) {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(230, 179, 46, 0.3);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.language-switcher button.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* --- LAYOUT (Kompakter) --- */
main {
    flex: 1;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 20px;
}

.main-content-wrapper {
    display: grid;
    /* Feed Spalte auf 300px verkleinert */
    grid-template-columns: 1fr 300px; 
    gap: 25px;
    align-items: start;
}

/* --- GROUP SECTIONS --- */
.group-section {
    margin-bottom: 30px;
}

.group-section summary {
    list-style: none;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    opacity: 0.8;
    transition: opacity 0.2s;
}
.group-section summary:hover { opacity: 1; }
.group-section summary::-webkit-details-marker { display: none; }

.group-title-link { text-decoration: none; color: inherit; }

.user-count {
    font-size: 0.5em;
    background: var(--glass-bg);
    padding: 4px 10px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    vertical-align: middle;
}

/* --- USER CARDS GRID (Kompakter) --- */
.user-cards-grid {
    display: grid;
    /* Min-Width reduziert auf 240px für mehr Spalten */
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

/* --- USER CARD DESIGN (Kleiner) --- */
.user-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 18px; /* Weniger Padding */
    display: flex;
    flex-direction: column;
    position: relative;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--glass-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
    overflow: hidden;
}

.user-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: var(--accent);
}

.user-card.stale-data {
    opacity: 0.6;
    filter: grayscale(0.8);
    border-style: dashed;
}

@keyframes pulse-gold {
    0% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0.4); border-color: var(--accent); }
    70% { box-shadow: 0 0 0 10px rgba(255, 193, 7, 0); border-color: var(--accent); }
    100% { box-shadow: 0 0 0 0 rgba(255, 193, 7, 0); border-color: var(--accent); }
}

.user-card.boarding-active {
    animation: pulse-gold 2s infinite;
    background: rgba(255, 193, 7, 0.05);
}

/* Card Header */
.user-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    z-index: 2;
}

.user-card h2 {
    margin: 0;
    font-size: 1.1rem; /* Kleinerer Titel */
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 140px;
}

/* Status Badges */
.header-widgets { display: flex; gap: 6px; }
.status-badge {
    font-size: 0.65rem;
    padding: 3px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    font-weight: 800;
    letter-spacing: 0.5px;
}
.status-badge.online { background: rgba(56, 142, 60, 0.15); color: var(--success); border: 1px solid rgba(56, 142, 60, 0.3); }
.status-badge.recently-active-badge { background: rgba(239, 108, 0, 0.15); color: #ef6c00; border: 1px solid rgba(239, 108, 0, 0.3); }

.heart-rate-info {
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--danger);
    background: rgba(211, 47, 47, 0.1);
    padding: 3px 8px;
    border-radius: 10px;
    font-weight: 700;
    border: 1px solid rgba(211, 47, 47, 0.2);
}
.heart-icon { width: 12px; height: 12px; fill: currentColor; animation: heart-beat 1s infinite; }
@keyframes heart-beat { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.15); } }

/* Visualizer (Kleiner) */
.user-card-background-visualizer {
    height: 120px; /* Reduziert von 160px */
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 5px 0 15px 0;
    z-index: 1;
}

.glass-svg { height: 100%; width: auto; overflow: visible; filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1)); }
.mug-body { fill: rgba(255, 255, 255, 0.1); stroke: var(--text-main); stroke-width: 2; stroke-opacity: 0.2; }
.mug-handle { fill: none; stroke: var(--text-main); stroke-width: 2; stroke-opacity: 0.2; }
.liquid-svg { transition: d 0.8s ease-in-out; }
.foam-svg { fill: #fff; filter: drop-shadow(0 2px 3px rgba(0,0,0,0.1)); }

/* Info Display */
.fill-level-display { text-align: center; z-index: 2; width: 100%; }

.fill-level-percentage {
    font-size: 2.2rem; /* Kleiner */
    font-weight: 900;
    line-height: 1;
    background: linear-gradient(180deg, var(--text-main), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: var(--text-main);
    margin-bottom: 2px;
}
@supports (-webkit-background-clip: text) { .fill-level-percentage { color: transparent; } }

.fill-level-beverages { font-size: 0.8rem; font-weight: 600; color: var(--text-main); margin-bottom: 2px; height: 1.2em; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fill-level-volume { font-size: 0.75rem; color: var(--text-muted); font-family: monospace; margin-bottom: 10px; }

/* Progress Bar */
.progress-bar-container {
    height: 6px;
    width: 85%;
    margin: 0 auto;
    background: rgba(0,0,0,0.05);
    border-radius: 3px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--liquid-light), var(--liquid-dark));
    border-radius: 3px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 6px var(--liquid-light);
}

/* Card Footer */
.user-card-footer {
    margin-top: auto;
    padding-top: 15px;
    width: 100%;
    z-index: 2;
}
.prost-button {
    width: 100%;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border: none;
    color: white;
    padding: 8px; /* Button flacher */
    font-size: 1rem;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(230, 179, 46, 0.3);
}
.prost-button:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 5px 15px rgba(230, 179, 46, 0.5);
}

/* --- ADDITIONAL SCALES --- */
.additional-scales-container {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    z-index: 2;
}

body.dark-mode .additional-scales-container {
    border-top-color: rgba(255, 255, 255, 0.08);
}

.additional-scale-item {
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    padding: 8px 10px;
    margin-bottom: 8px;
    transition: background 0.2s ease;
}

body.dark-mode .additional-scale-item {
    background: rgba(255, 255, 255, 0.03);
}

.additional-scale-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

body.dark-mode .additional-scale-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.additional-scale-item:last-child {
    margin-bottom: 0;
}

.additional-scale-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.additional-scale-name {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-main);
    opacity: 0.8;
}

.additional-scale-glass {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-style: italic;
}

.additional-scale-stats {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
}

.additional-scale-percentage {
    font-weight: 700;
    color: var(--accent);
    min-width: 35px;
}

.additional-scale-progress {
    flex: 1;
    height: 4px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 2px;
    overflow: hidden;
}

body.dark-mode .additional-scale-progress {
    background: rgba(255, 255, 255, 0.05);
}

.additional-scale-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--liquid-light), var(--liquid-dark));
    border-radius: 2px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.additional-scale-volume {
    font-family: monospace;
    color: var(--text-muted);
    min-width: 55px;
    text-align: right;
}

.additional-scale-beverages {
    font-size: 0.65rem;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


/* --- FEED SIDEBAR (Kompakter) --- */
#prostFeedContainer {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-radius: 20px;
    padding: 15px;
    position: sticky;
    top: 90px;
    max-height: 80vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

#prostFeedContainer h2 {
    margin-top: 0;
    color: var(--accent);
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

.prost-feed-item {
    background: rgba(255, 255, 255, 0.4);
    margin-bottom: 8px;
    padding: 10px;
    border-radius: 8px;
    border-left: 3px solid var(--accent);
    box-shadow: 0 2px 4px rgba(0,0,0,0.02);
    transition: transform 0.2s;
    font-size: 0.85rem;
    display: flex; /* Wichtig für Icon Layout */
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
}
body.dark-mode .prost-feed-item { background: rgba(0,0,0,0.3); }
.prost-feed-item:hover { transform: translateX(3px); }

.prost-feed-item-content { flex: 1; min-width: 0; }
.prost-actors p { margin: 0; line-height: 1.3; }
.prost-actors .sender { font-weight: 700; color: var(--accent); }
.prost-actors .recipient { font-weight: 700; color: #42a5f5; }
.prost-message { font-style: italic; opacity: 0.8; margin: 3px 0 0 0; font-size: 0.8rem; word-wrap: break-word; }
.timestamp { font-size: 0.7rem; opacity: 0.5; text-align: right; margin-top: 3px; display: block; }

/* Load More Button */
.load-more-btn {
    margin-top: 10px;
    width: 100%;
    background: transparent;
    border: 1px dashed var(--glass-border);
    font-size: 0.8rem;
    padding: 8px;
    opacity: 0.7;
}
.load-more-btn:hover {
    background: var(--glass-bg);
    opacity: 1;
}

/* --- CHALLENGE ICONS (Wieder da!) --- */
.prost-challenge-status {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prost-challenge-status svg {
    width: 100%;
    height: 100%;
    stroke-width: 2.5;
}

.prost-challenge-status.status-pending svg {
    color: var(--accent);
    animation: spin 1.5s linear infinite;
}

.prost-challenge-status.status-success svg {
    color: var(--success);
}

.prost-challenge-status.status-failure svg {
    color: var(--danger);
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- BOARDING / TAKEOFF --- */
.boarding-symbol-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.takeoff-icon {
    width: 60px; /* Kleiner */
    height: 60px;
    color: var(--accent);
    filter: drop-shadow(0 0 10px rgba(255, 193, 7, 0.6));
    animation: fly-bob 3s ease-in-out infinite;
}
@keyframes fly-bob {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-8px) rotate(-5deg); }
}
.boarding-text-display {
    font-size: 1.5rem; /* Kleiner */
    font-weight: 900;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: glow 1.5s ease-in-out infinite alternate;
}
@keyframes glow {
    from { text-shadow: 0 0 5px rgba(255, 193, 7, 0.2); }
    to { text-shadow: 0 0 15px rgba(255, 193, 7, 0.8), 0 0 20px var(--accent); }
}

/* --- MODALS (Kompakter) --- */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background: var(--glass-bg);
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--glass-border);
    margin: 10% auto;
    padding: 25px;
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.3);
    position: relative;
    color: #333;
}
body.dark-mode .modal-content { background-color: rgba(30, 30, 30, 0.95); color: #f0f0f0; }

.modal-content h2 {
    margin-top: 0;
    color: var(--accent);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    padding-bottom: 10px;
    margin-bottom: 15px;
    font-size: 1.4rem;
}
body.dark-mode .modal-content h2 { border-bottom-color: rgba(255,255,255,0.1); }

.close-button {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 24px;
    font-weight: bold;
    color: #aaa;
    cursor: pointer;
    transition: color 0.2s;
}
.close-button:hover { color: var(--accent); }

.modal-content label { display: block; margin-bottom: 5px; font-weight: 600; font-size: 0.9rem; }
.modal-content input[type="text"], 
.modal-content textarea {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.2);
    background: rgba(0,0,0,0.05);
    color: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}
body.dark-mode .modal-content input[type="text"], 
body.dark-mode .modal-content textarea { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); }

.character-counter {
    text-align: right;
    font-size: 0.75rem;
    color: #888;
    margin-top: 4px;
    font-family: monospace;
}
body.dark-mode .character-counter { color: #aaa; }

.modal-content input:focus, 
.modal-content textarea:focus { border-color: var(--accent); background: transparent; }

.modal-content textarea { resize: vertical; min-height: 60px; }

.privacy-policy {
    background: rgba(0,0,0,0.03);
    padding: 10px;
    border-radius: 8px;
    font-size: 0.8rem;
    margin-top: 15px;
}
.privacy-policy a { color: var(--accent); }

.modal-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    gap: 10px;
    flex-wrap: wrap;
}
.modal-actions button { flex: 1; }

.modal-error {
    background: rgba(211, 47, 47, 0.1);
    color: var(--danger);
    padding: 8px;
    border-radius: 6px;
    border: 1px solid rgba(211, 47, 47, 0.3);
    margin-top: 15px;
    display: none;
    text-align: center;
    font-size: 0.9rem;
}

/* --- FULLSCREEN OVERLAYS --- */
#boarding-event-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(255, 193, 7, 0.85);
    backdrop-filter: blur(10px);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0; visibility: hidden;
    transition: opacity 0.5s;
    pointer-events: none;
}
body.dark-mode #boarding-event-overlay { background: rgba(50, 40, 10, 0.9); }

#boarding-event-overlay.visible { opacity: 1; visibility: visible; }

.boarding-content { text-align: center; transform: scale(0.8); transition: transform 0.5s; }
#boarding-event-overlay.visible .boarding-content { transform: scale(1); }

.boarding-content h2 {
    font-size: 3rem;
    color: white;
    text-shadow: 0 5px 15px rgba(0,0,0,0.3);
    text-transform: uppercase;
    letter-spacing: 4px;
}

.boarding-plane {
    width: 150px;
    height: 150px;
    fill: white;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
    animation: fly-across-screen 3s ease-in-out infinite;
}

@keyframes fly-across-screen {
    0% { transform: translateX(-50px) translateY(10px) rotate(-5deg); }
    50% { transform: translateX(50px) translateY(-10px) rotate(5deg); }
    100% { transform: translateX(-50px) translateY(10px) rotate(-5deg); }
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 1.5rem;
    font-size: 0.8rem;
    opacity: 0.7;
    margin-top: auto;
}

/* --- RESPONSIVE --- */
@media (max-width: 900px) {
    .main-content-wrapper { grid-template-columns: 1fr; }
    #prostFeedContainer { position: relative; top: 0; margin-top: 30px; max-height: 400px; width: 100%; }
    header { flex-direction: column; gap: 10px; padding: 1rem; }
    .controls-container { position: static; margin-top: 5px; }
}

@keyframes fadeIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }