:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.12);
    --modal-bg: rgba(0, 0, 0, 0.98);
    --accent-color: #2563eb;
    --scanner-frame-color: #2563eb;
    --scanner-viewfinder-color: #2563eb;
    --scanner-line-color: #2563eb;
    --scanner-size: 320px;
}

.theme-light {
    --bg-color: #f3f4f6;
    --text-color: #111827;
    --glass-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.15);
    --modal-bg: rgba(255, 255, 255, 0.98);
}

.theme-light .glass {
    background: rgba(255, 255, 255, 0.95);
    border-color: rgba(0, 0, 0, 0.1);
    color: #111827;
}

.theme-light input, 
.theme-light select,
.theme-light textarea {
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(0, 0, 0, 0.2) !important;
    color: #111827 !important;
}

.theme-light input::placeholder,
.theme-light select::placeholder {
    color: rgba(17, 24, 39, 0.4);
}

/* Settings Modal - kleinere Texte */
#settings-modal {
    padding: 1rem;
}

#settings-modal .glass {
    padding: 1.5rem;
}

#settings-modal h2 {
    font-size: 1.5rem !important;
}

#settings-modal h3 {
    font-size: 1.25rem !important;
}

#settings-modal .text-4xl {
    font-size: 1.5rem !important;
}

#settings-modal .text-2xl {
    font-size: 1rem !important;
}

#settings-modal .text-xl {
    font-size: 0.875rem !important;
}

#settings-modal .text-lg {
    font-size: 0.75rem !important;
}

#settings-modal .text-xs {
    font-size: 0.625rem !important;
}

#settings-modal input,
#settings-modal select {
    padding: 0.75rem !important;
    font-size: 0.875rem !important;
}

#settings-modal button {
    padding: 0.5rem 1rem !important;
    font-size: 0.875rem !important;
}

/* Checkboxen im Light Theme */
.theme-light input[type="checkbox"] {
    background: rgba(255, 255, 255, 0.9) !important;
    border-color: rgba(0, 0, 0, 0.3) !important;
}

.theme-light input[type="checkbox"]:checked {
    background: #2563eb !important;
    border-color: #2563eb !important;
}

body {
    -webkit-tap-highlight-color: transparent;
    background-color: var(--bg-color);
    color: var(--text-color);
    overflow: hidden;
    transition: background-color 0.5s ease;
}

/* Main Content Container (wird gezoomt) */
#main-content {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

/* Layout Engine */
#video-section {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 10;
}

#video-container {
    width: var(--scanner-size);
    height: var(--scanner-size);
    border-radius: calc(var(--scanner-size) / 5);
    overflow: hidden;
    position: relative;
    background: #000;
    box-shadow: 0 35px 70px -15px rgba(0, 0, 0, 0.5);
    -webkit-mask-image: -webkit-radial-gradient(white, black);
    transition: width 0.4s ease, height 0.4s ease;
    border: 3px solid var(--scanner-frame-color);
}

video { 
    object-fit: cover; 
    width: 100% !important; 
    height: 100% !important;
    background: #000;
    display: block;
}
.mirror video { transform: scaleX(-1); }

/* Smart Scanner Viewfinder */
.scanner-viewfinder {
    position: absolute;
    inset: 15%; 
    border-radius: calc(var(--scanner-size) / 10); 
    z-index: 5;
    pointer-events: none;
}
.scanner-viewfinder::before {
    content: '';
    position: absolute;
    inset: -2px;
    border: 4px solid var(--scanner-viewfinder-color);
    border-radius: calc(var(--scanner-size) / 10); 
    clip-path: polygon(0 0, 30% 0, 30% 10%, 70% 10%, 70% 0, 100% 0, 100% 30%, 90% 30%, 90% 70%, 100% 70%, 100% 100%, 70% 100%, 70% 90%, 30% 90%, 30% 100%, 0 100%, 0 70%, 10% 70%, 10% 30%, 0 30%);
    animation: pulse-border 2s infinite;
}
@keyframes pulse-border {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.98); }
}
.scanner-line {
    position: absolute;
    top: 20%;
    left: 20%;
    right: 20%;
    height: 2px;
    background: var(--scanner-line-color);
    box-shadow: 0 0 15px var(--scanner-line-color);
    animation: scan-move 3s ease-in-out infinite;
    z-index: 6;
}
@keyframes scan-move {
    0%, 100% { top: 20%; opacity: 0; }
    50% { top: 80%; opacity: 1; }
}

#ui-section {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 20;
    pointer-events: none;
}

.interactive-part { pointer-events: auto; }

/* Camera Layout Positions */
.layout-top #video-section { top: 10%; left: 0; right: 0; }
.layout-bottom #video-section { bottom: 10%; left: 0; right: 0; }
.layout-split-left #video-section { width: 50%; left: 0; top: 0; height: 100%; }
.layout-split-right #video-section { width: 50%; right: 0; top: 0; height: 100%; }

/* Force Center for Dialogs & HID */
.force-center #ui-section { inset: 0 !important; width: 100% !important; left: 0 !important; justify-content: center !important; align-items: center !important; }
.force-center #video-section { display: none !important; }

/* Content Offset for Split Layouts (Camera Scanning Only) */
.layout-split-left:not(.force-center) #ui-section { left: 50%; width: 50%; }
.layout-split-right:not(.force-center) #ui-section { left: 0; width: 50%; }

.fade-in { animation: fadeIn 0.4s ease-out forwards; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.slide-up { animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards; }
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.glass { 
    background: var(--glass-bg); 
    backdrop-filter: blur(20px); 
    border: 1px solid var(--glass-border); 
    color: var(--text-color);
}

.admin-modal {
    background: var(--modal-bg);
    color: var(--text-color);
}

/* Settings Tabs */
.settings-tab-btn {
    border-color: transparent;
    background: transparent;
    opacity: 0.5;
}
.settings-tab-btn:hover {
    opacity: 0.8;
    background: var(--glass-bg);
}
.settings-tab-btn.active {
    border-color: var(--accent-color);
    opacity: 1;
    background: var(--glass-bg);
}
.settings-tab-content {
    animation: fadeIn 0.3s ease;
}