:root {
    /* Core Theme - Default values */
    --bg-color: #022c22;
    --card-bg: #064e3b;
    --accent-color: #10b981;
    --accent-hover: #059669;
    --text-primary: #ecfdf5;
    --text-secondary: #a7f3d0;
    --border-color: rgba(16, 185, 129, 0.2);
    --danger-color: #ef4444;
    --warning-color: #f97316;
    --success-color: #10b981;
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Transitions */
    --transition-speed: 0.3s;
}

.hidden {
    display: none !important;
}

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

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

/* Screens */
.login-screen,
.hub-screen,
.setup-screen,
.list-screen,
.app-container {
    display: none;
    flex-direction: column;
    align-items: center;
    padding: 40px 20px;
    min-height: 100vh;
    width: 100%;
}

/* Use .active helper for transitions */

/* Header */
header {
    width: 100%;
    max-width: 1200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

h1 {
    font-weight: 700;
    font-size: 1.8rem;
    letter-spacing: -0.025em;
}

/* Buttons */
.primary-btn,
.secondary-btn,
.icon-btn {
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.primary-btn {
    background-color: var(--accent-color);
    color: #064e3b;
}

.primary-btn:hover {
    background-color: var(--accent-hover);
}

.primary-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.secondary-btn {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-color);
    border: 1px solid var(--border-color);
}

.secondary-btn:hover {
    background-color: rgba(16, 185, 129, 0.2);
}

/* Login Modernized */
#loginScreen {
    justify-content: center;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 400px;
    margin: 30px auto 0;
}

.login-link {
    color: var(--accent-color);
    font-size: 0.85rem;
    text-decoration: none;
    margin-top: 10px;
    cursor: pointer;
}

.login-link:hover {
    text-decoration: underline;
}


.welcome-screen {
    display: flex;
    width: 100%;
    height: 100vh;
    background-color: var(--bg-color);
}

.welcome-split-left {
    flex: 1;
    background-size: cover;
    background-position: center;
    border-right: 1px solid var(--border-color);
}

.welcome-split-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px;
    text-align: center;
}

.welcome-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.welcome-text {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

/* --- HUB TILES (Restored Original) --- */
.hub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
    width: 100%;
    max-width: 1200px;
}

.hub-tile {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.module-card:hover,
.hub-tile:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    border-color: var(--accent-color);
}

.hub-icon {
    font-size: 3rem;
}

.hub-label {
    font-weight: 600;
    font-size: 1.1rem;
}

/* App Container Layout */
.app-container main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    width: 100%;
    max-width: 1400px;
}

.camera-section,
.gallery-section {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 30px;
    border: 1px solid var(--border-color);
}

/* Capture Btn */
.main-capture-btn {
    width: 100px;
    height: 100px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 40px auto;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 20px rgba(16, 185, 129, 0.4);
}

.main-capture-btn:hover {
    transform: scale(1.1) rotate(5deg);
}

/* Fehlerklassen */
.fk-border-1 {
    border-left: 6px solid var(--danger-color) !important;
}

.fk-border-2 {
    border-left: 6px solid var(--warning-color) !important;
}

.fk-border-3 {
    border-left: 6px solid #fbbf24 !important;
}

.fk-border-4 {
    border-left: 6px solid var(--accent-color) !important;
}

/* Modal */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    width: 95%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
}

.modal-header h2 {
    font-size: 1.5rem;
    color: var(--accent-color);
    font-weight: 700;
}

/* Premium Settings Modal Styles */
.settings-modal {
    background: rgba(6, 78, 59, 0.7) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    max-width: 800px !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5) !important;
}

.settings-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 25px;
    background: rgba(0, 0, 0, 0.2);
    padding: 5px;
    border-radius: 12px;
    border-bottom: none !important;
}

.settings-tabs .tab-btn {
    flex: 1;
    border-radius: 8px;
    padding: 10px;
    transition: all 0.3s ease;
    border-bottom: none !important;
    font-size: 0.9rem;
}

.settings-tabs .tab-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

.settings-tabs .tab-btn.active {
    background: var(--accent-color);
    color: #064e3b;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.settings-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
}

.profile-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.profile-avatar-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color), #3b82f6);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.profile-info h3 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.profile-info p {
    margin: 5px 0 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.role-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.role-admin { background: rgba(239, 68, 68, 0.2); color: #fca5a5; border: 1px solid rgba(239, 68, 68, 0.3); }
.role-user { background: rgba(16, 185, 129, 0.2); color: #6ee7b7; border: 1px solid rgba(16, 185, 129, 0.3); }
.role-viewer { background: rgba(59, 130, 246, 0.2); color: #93c5fd; border: 1px solid rgba(59, 130, 246, 0.3); }

.user-table {
    width: 100%;
    border-collapse: collapse;
}

.user-table th {
    text-align: left;
    padding: 12px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.user-table td {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.category-list li {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 15px;
    margin-bottom: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.category-list li:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--accent-color);
}

.category-list li button {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
    width: 28px;
    height: 28px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s;
}

.category-list li button:hover {
    background: #ef4444;
    color: white;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 15px;
}

.input-group label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Gallery & Doc Items */
.gallery-section {
    max-height: 80vh;
    overflow-y: auto;
}

.doc-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    border: 1px solid var(--border-color);
}

.doc-image {
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: 8px;
    background: #000;
}

/* Weichen Diagram */
.weichen-diagram-container {
    width: 100%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    padding: 10px;
}

.weichen-diagram {
    max-width: 100%;
    max-height: 400px;
    border-radius: 8px;
}

/* Weichenmessung specific */
.weichen-master-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    background: rgba(255, 255, 255, 0.05);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.weichen-form-scroll {
    overflow-x: auto;
    width: 100%;
    margin-top: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.weichen-measure-grid {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    min-width: 1200px;
}

.weichen-measure-grid th {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-color);
    padding: 12px;
    text-align: center;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.weichen-measure-grid td {
    padding: 2px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
}

.weichen-input {
    width: 100%;
    background: transparent;
    border: 1px solid transparent;
    color: white;
    padding: 10px 5px;
    text-align: center;
    transition: all 0.2s;
    font-family: monospace;
}

.weichen-input:focus {
    background: rgba(16, 185, 129, 0.1);
    outline: none;
    border-color: var(--accent-color);
}

.tol-error {
    color: #fff;
    font-weight: bold;
    background: rgba(239, 68, 68, 0.4) !important;
}

.last-val-row {
    background: rgba(16, 185, 129, 0.05) !important;
    opacity: 0.8;
    font-style: italic;
}

.delta-display {
    display: block;
    font-size: 0.75rem;
    margin-top: 2px;
    font-weight: bold;
}

.delta-pos {
    color: #ef4444;
    /* Rojo if getting worse/away from soll, but usually colored by logic */
}

.delta-neutral {
    color: var(--text-secondary);
}

.delta-up {
    color: #ef4444;
}

.delta-down {
    color: #3b82f6;
}

.delta-same {
    color: #a7f3d0;
}

/* Client Module Rights UI */
.client-module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 8px;
    background: rgba(0, 0, 0, 0.2);
    padding: 12px;
    border-radius: 8px;
    margin-top: 10px;
}

.module-checkbox-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.module-checkbox-item input {
    cursor: pointer;
}

.hub-tile.module-hidden {
    display: none !important;
}

/* Ensure Settings & Admin are visible when not module-hidden */
#moduleSettingsHubBtn, #moduleAdminBtn {
    display: flex;
}

.client-list-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

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

.client-branding-section {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.client-logo-preview {
    width: 60px;
    height: 60px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.client-logo-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.branding-controls {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.branding-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.branding-row label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 80px;
}

.history-modal {
    max-width: 800px;
}

.history-list-item {
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--border-color);
}

.weichen-header-input {
    width: 100%;
    background: transparent;
    border: 1px dashed rgba(255, 255, 255, 0.1);
    color: var(--accent-color);
    text-align: center;
    font-weight: bold;
    border-radius: 4px;
    padding: 2px;
}

.weichen-header-input:hover {
    border-color: var(--accent-color);
}

.setup-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin-bottom: 20px;
}

.window-header {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    margin-bottom: 25px;
    padding: 5px 0;
}

.window-close-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.1s;
    width: 45px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    z-index: 10;
}

.window-close-btn:hover {
    background: #e81123 !important;
    color: white !important;
    transform: none !important;
}

/* Checklist Styles */
.checklist-section {
    margin-top: 40px;
    background: rgba(255, 255, 255, 0.02);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.checklist-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

.checklist-table th {
    text-align: left;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    color: var(--accent-color);
}

.checklist-table td {
    padding: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.fk-selector {
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
}

.fk-1 {
    background: rgba(239, 68, 68, 0.2) !important;
    border-color: #ef4444 !important;
    color: #fca5a5 !important;
}

.fk-2 {
    background: rgba(249, 115, 22, 0.2) !important;
    border-color: #f97316 !important;
    color: #fdba74 !important;
}

.fk-3 {
    background: rgba(234, 179, 8, 0.2) !important;
    border-color: #eab308 !important;
    color: #fde047 !important;
}

.fk-4 {
    background: rgba(16, 185, 129, 0.2) !important;
    border-color: #10b981 !important;
    color: #6ee7b7 !important;
}

.checklist-camera-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
}

.checklist-camera-btn:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--accent-color);
}

.checklist-camera-btn.has-photo {
    background: var(--accent-color);
    color: #064e3b;
}

.checklist-photo-preview {
    width: 60px;
    height: 44px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    cursor: zoom-in;
}

.fk-dash-display {
    display: inline-block;
    width: 100%;
    padding: 8px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    text-align: center;
    font-weight: bold;
    color: var(--text-secondary);
    min-height: 40px;
}

/* Safety & Signature */
.safety-section {
    margin-top: 30px;
    background: rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

.signature-container {
    margin-top: 25px;
    position: relative;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    height: 180px;
}

#signatureCanvas {
    width: 100%;
    height: 100%;
    cursor: crosshair;
    display: block;
}

.signature-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}

/* Settings Tabs */
.settings-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px 20px;
    cursor: pointer;
    font-weight: 600;
}

.tab-btn.active {
    color: var(--accent-color);
    border-bottom: 2px solid var(--accent-color);
}

.tab-content {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.tab-content.active {
    display: flex;
}

/* Doc Input */
.doc-input {
    width: 100%;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    color: white;
    font-family: inherit;
}

.doc-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.admin-only {
    display: none;
}

/* Utility */
.active {
    display: flex !important;
    animation: fadeIn 0.3s ease;
}

/* --- GLEIS-OVERVIEW STYLES --- */
.gleis-overview-section {
    grid-column: span 2;
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.gleis-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.gleis-table-wrapper {
    max-height: 400px;
    overflow-y: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.1);
}

.gleis-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.gleis-table th {
    position: sticky;
    top: 0;
    background: var(--card-bg);
    color: var(--accent-color);
    padding: 12px;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    z-index: 5;
}

.gleis-table td {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.gleis-table tr:hover {
    background: rgba(16, 185, 129, 0.05);
}

.gl.efr-data-table td {
    padding: 10px 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    cursor: pointer;
    transition: background 0.2s;
}

.efr-data-table tr.efr-row-selected {
    background: rgba(16, 185, 129, 0.2) !important;
}

.efr-data-table tr:hover:not(.efr-row-selected) {
    background: rgba(255, 255, 255, 0.08);
}

.fk-badge-container {
    display: flex;
    gap: 8px;
}

.fk-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
    min-width: 45px;
    text-align: center;
}

.fk-badge.fk-1 { color: #fca5a5; background: rgba(239, 68, 68, 0.2); border: 1px solid #ef4444; }
.fk-badge.fk-2 { color: #fdba74; background: rgba(249, 115, 22, 0.2); border: 1px solid #f97316; }
.fk-badge.fk-3 { color: #fde047; background: rgba(234, 179, 8, 0.2); border: 1px solid #eab308; }
.fk-badge.fk-4 { color: #6ee7b7; background: rgba(16, 185, 129, 0.2); border: 1px solid #10b981; }

.fk-badge.count-zero {
    opacity: 0.3;
    border-color: transparent !important;
    background: transparent !important;
    color: var(--text-secondary);
}

/* Section Info Banner in Capture Tab */
.section-info-banner {
    display: none;
    flex-wrap: wrap;
    gap: 15px;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
    animation: fadeIn 0.3s ease;
}

.section-info-banner.active {
    display: flex;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-value {
    font-weight: 600;
    color: var(--accent-color);
    font-size: 0.95rem;
}

.capture-action-btn {
    background: var(--accent-color);
    color: #064e3b;
    border: none;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.capture-action-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

/* --- WEICHENMESSUNG STYLES --- */
.weichen-diagram-container {
    width: 100%;
    background: white;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 25px;
    display: flex;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.weichen-diagram {
    max-width: 100%;
    height: auto;
    max-height: 400px;
}

.weichen-master-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 30px;
    background: rgba(0, 0, 0, 0.1);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.weichen-form-scroll {
    overflow-x: auto;
    margin-bottom: 30px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.weichen-measure-grid {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
    font-size: 0.85rem;
}

.weichen-measure-grid th, 
.weichen-measure-grid td {
    border: 1px solid var(--border-color);
    padding: 8px;
    text-align: center;
    min-width: 60px;
}

.weichen-measure-grid th {
    background: rgba(0, 0, 0, 0.2);
    color: var(--accent-color);
    font-weight: 600;
}

.weichen-input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid transparent;
    color: white;
    text-align: center;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.2s;
}

.weichen-input:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-color);
    outline: none;
}

.weichen-header-input {
    background: transparent;
    border: none;
    color: var(--accent-color);
    text-align: center;
    font-weight: bold;
    width: 40px;
    cursor: default;
}

.delta-display {
    display: block;
    font-size: 0.7rem;
    margin-top: 2px;
    font-weight: bold;
}

.delta-up { color: #fca5a5; }
.delta-down { color: #fca5a5; }
.delta-same { color: var(--text-secondary); opacity: 0.6; }

.tol-error {
    background: rgba(239, 68, 68, 0.2) !important;
    border-color: var(--danger-color) !important;
    color: #fca5a5 !important;
}

.last-val-row {
    background: rgba(16, 185, 129, 0.03);
    color: var(--text-secondary);
}

.last-val-row .weichen-input {
    opacity: 0.6;
}

.checklist-section {
    margin-top: 40px;
    background: var(--bg-secondary);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.safety-section {
    margin-top: 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    background: rgba(16, 185, 129, 0.05);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.safety-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.signature-container {
    grid-column: span 2;
    background: white;
    border-radius: 8px;
    height: 150px;
    margin-top: 15px;
    position: relative;
}

#signatureCanvas {
    width: 100%;
    height: 100%;
    cursor: crosshair;
}

.io-text { color: var(--accent-color); font-weight: bold; }
.nio-text { color: var(--danger-color); font-weight: bold; }

.fk-selector {
    width: 100%;
}

.fk-selector.fk-1 { background: var(--danger-color); color: white; }
.fk-selector.fk-2 { background: var(--warning-color); color: white; }
.fk-selector.fk-3 { background: #eab308; color: black; }
.fk-selector.fk-4 { background: var(--accent-color); color: #064e3b; }

.fk-dash-display {
    text-align: center;
    color: var(--text-secondary);
    opacity: 0.5;
}

.checklist-photo-preview {
    width: 35px;
    height: 35px;
    object-fit: cover;
    border-radius: 4px;
    cursor: pointer;
    border: 1px solid var(--accent-color);
}

.checklist-camera-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.checklist-camera-btn.has-photo {
    background: var(--accent-color);
    color: #064e3b;
}

.history-modal {
    max-width: 600px;
}

.history-list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 10px;
    border: 1px solid var(--border-color);
}

/* --- BÜ-MODULE v2.0.0 STYLES --- */
.bu-tab-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.bu-tab-panel.active {
    display: block;
}

.bu-section-title {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.bu-grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.bu-grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.bu-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
}

.bu-grid-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.bu-quadrant-wrapper {
    background: rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.bu-quadrant-wrapper h3 {
    margin-bottom: 10px;
    color: var(--text-secondary);
}

.bu-quad-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
}

/* Zugmeldebuch Table Styles */
#zugmeldeTableContainer {
    max-height: 70vh;
    overflow-y: auto;
}

.bu-table th {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #064e3b;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.bu-table tr:hover {
    background: rgba(16, 185, 129, 0.08) !important;
}

.bu-table input.doc-input:focus {
    background: rgba(255,255,255,0.05);
    outline: none;
    border-color: var(--accent-color);
}

.small-btn {
    transition: transform 0.1s ease, filter 0.1s ease;
}

.small-btn:active {
    transform: scale(0.95);
}

/* Betra Module Specifics */
#betraDetailView .settings-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 0;
}

#betraDetailView .input-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

#betraDetailView h3 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--accent-color);
    font-size: 1rem;
    border-bottom: 1px solid rgba(16, 185, 129, 0.2);
    padding-bottom: 8px;
}

#betraMeasuresContainer {
    max-height: 250px;
    overflow-y: auto;
    padding-right: 5px;
}

#betraMeasuresContainer::-webkit-scrollbar {
    width: 6px;
}

#betraMeasuresContainer::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

/* --- CLIENT MANAGEMENT ENHANCEMENTS --- */
.client-detail-view {
    animation: slideIn 0.3s ease-out;
}

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

.client-list-item {
    cursor: pointer;
    transition: all 0.2s ease;
}

.client-list-item:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--accent-color);
}

.branding-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.branding-color-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.branding-color-item label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.branding-color-item input[type="color"] {
    width: 100%;
    height: 35px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
}

.client-detail-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.back-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
}

.client-users-section {
    margin-top: 30px;
}

.add-user-inline {
    background: rgba(0, 0, 0, 0.2);
    padding: 15px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.role-expanded-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.module-hidden {
    display: none !important;
}

/* --- EFR-Auswertung SPECIFIC --- */
.efr-upload-container {
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 15px; /* Reduced from 40px */
    text-align: center;
    margin-bottom: 15px; /* Reduced from 30px */
    transition: all 0.3s ease;
    cursor: pointer;
}

.efr-upload-container:hover {
    background: rgba(16, 185, 129, 0.05);
    border-color: var(--accent-color);
}

.efr-upload-icon {
    font-size: 1.5rem; /* Reduced from 3rem */
    margin-bottom: 5px;
    display: inline-block;
}

.efr-table-container {
    width: 100%;
    overflow: auto;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: rgba(0, 0, 0, 0.2);
    height: calc(100vh - 180px); /* Increased from 220px */
    min-height: 500px;
}

.efr-data-table {
    width: 100%;
    min-width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
    white-space: nowrap;
    table-layout: auto;
}

.efr-data-table th {
    background: #022c22; /* Solid background for sticky */
    color: var(--accent-color);
    padding: 15px 5px;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 2px solid var(--accent-color);
    height: 140px;
    vertical-align: bottom;
}

.efr-rotated-header {
    writing-mode: vertical-rl;
    transform: rotate(180deg); /* Pure vertical for better space extraction */
    white-space: nowrap;
    display: inline-block;
    padding-bottom: 10px;
    font-size: 0.75rem;
    max-height: 120px;
}

.efr-data-table td {
    padding: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.efr-data-table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

.efr-flag-pill {
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
}

.efr-flag-active {
    background: var(--accent-color);
    color: #064e3b;
}

.efr-flag-inactive {
    background: rgba(255, 255, 255, 0.05);
    color: rgba(255, 255, 255, 0.3);
}

.efr-time-calculated {
    color: #60a5fa !important; /* Subtle blue */
    font-style: italic;
}

.efr-time-calculated::after {
    content: '*';
    font-size: 0.7rem;
    vertical-align: super;
    margin-left: 2px;
}

.efr-status-bar {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    font-size: 0.85rem;
}

.efr-progress-track {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.efr-progress-bar {
    height: 100%;
    background: var(--accent-color);
    width: 0%;
    transition: width 0.3s ease;
}

/* Premium Logout Button */
.hub-logout-btn {
    background: rgba(239, 68, 68, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
}

.hub-logout-btn::before {
    content: '🚪';
    font-size: 1.1rem;
}

.hub-logout-btn:hover {
    background: rgba(239, 68, 68, 0.3);
    border-color: #f87171;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(239, 68, 68, 0.4);
}

.hub-logout-btn:active {
    transform: translateY(0);
}

/* Positioning for the main hub logout */
#mainMenuScreen #logoutBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
}

/* --- Gleis & Messmittel Table Styles --- */
.gleis-table-wrapper {
    width: 100%;
    overflow-x: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    margin-top: 15px;
}

.gleis-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.gleis-table th {
    background: rgba(255, 255, 255, 0.02);
    color: var(--accent-color);
    padding: 15px;
    text-align: left;
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
}

.gleis-table td {
    padding: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    vertical-align: middle;
}

.gleis-table tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.small-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
    min-width: auto;
    height: auto;
}
:root {

    --bg-color: #022c22;

    --card-bg: #064e3b;

    --accent-color: #10b981;

    --accent-hover: #059669;

    --text-primary: #ecfdf5;

    --text-secondary: #a7f3d0;

    --border-color: rgba(16, 185, 129, 0.2);

    --danger-color: #ef4444;

    --warning-color: #f97316;

    --success-color: #10b981;

    --font-family: 'Inter', system-ui, -apple-system, sans-serif;

    --transition-speed: 0.3s;

}



* {

    box-sizing: border-box;

    margin: 0;

    padding: 0;

}



body {

    font-family: var(--font-family);

    background-color: var(--bg-color);

    color: var(--text-primary);

    line-height: 1.5;

    min-height: 100vh;

    padding: 20px;

}



.setup-container {

    max-width: 1400px;

    margin: 0 auto;

    background: var(--card-bg);

    border-radius: 20px;

    padding: 30px;

    border: 1px solid var(--border-color);

    box-shadow: 0 10px 30px rgba(0,0,0,0.3);

}



.window-header {

    display: flex;

    justify-content: space-between;

    align-items: center;

    border-bottom: 1px solid var(--border-color);

    padding-bottom: 20px;

    margin-bottom: 20px;

}



/* Tabs */

.settings-tabs {

    display: flex;

    gap: 5px;

    margin-bottom: 30px;

    background: rgba(0, 0, 0, 0.2);

    padding: 5px;

    border-radius: 12px;

}



.tab-btn {

    flex: 1;

    background: none;

    border: none;

    color: var(--text-secondary);

    padding: 12px;

    cursor: pointer;

    font-weight: 600;

    border-radius: 8px;

    transition: all 0.3s ease;

}



.tab-btn:hover {

    background: rgba(255, 255, 255, 0.05);

}



.tab-btn.active {

    background: var(--accent-color);

    color: #064e3b;

    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);

}



/* Buttons */

.primary-btn, .secondary-btn {

    border: none;

    border-radius: 8px;

    padding: 10px 20px;

    font-weight: 600;

    cursor: pointer;

    transition: all 0.2s ease;

    display: flex;

    align-items: center;

    gap: 8px;

}



.primary-btn {

    background-color: var(--accent-color);

    color: #064e3b;

}



.primary-btn:hover {

    background-color: var(--accent-hover);

    transform: translateY(-1px);

}



.secondary-btn {

    background-color: rgba(16, 185, 129, 0.1);

    color: var(--accent-color);

    border: 1px solid var(--border-color);

}



/* Inputs */

.doc-input {

    width: 100%;

    background: rgba(0, 0, 0, 0.2);

    border: 1px solid var(--border-color);

    border-radius: 8px;

    padding: 10px;

    color: white;

}



.input-group {

    display: flex;

    flex-direction: column;

    gap: 6px;

    margin-bottom: 15px;

}



.input-group label {

    font-size: 0.85rem;

    color: var(--text-secondary);

}



/* Weichen-style Table Layouts */

.weichen-form-scroll {

    overflow-x: auto;

    margin-bottom: 30px;

    border-radius: 12px;

    border: 1px solid var(--border-color);

    background: rgba(0, 0, 0, 0.1);

}



.weichen-measure-grid {

    width: 100%;

    border-collapse: collapse;

    background: transparent;

    font-size: 0.85rem;

    min-width: 1000px;

}



.weichen-measure-grid th, .weichen-measure-grid td {

    border: 1px solid var(--border-color);

    padding: 12px 15px;

    text-align: left;

}



.weichen-measure-grid th {

    background: rgba(0, 0, 0, 0.4);

    color: var(--accent-color);

    font-weight: 700;

}



.weichen-measure-grid td {

    background: rgba(255, 255, 255, 0.02);

    color: var(--text-primary);

}



.weichen-measure-grid tr:hover td {

    background: rgba(16, 185, 129, 0.08);

}



/* BÃS
-MODULE SANDBOX CSS (v2.0.3) */



.bu-tab-panel {

    display: none;

    animation: fadeIn 0.3s ease;

}



.bu-tab-panel.active {

    display: block;

}



.bu-section-title {

    font-size: 1.2rem;

    color: var(--accent-color);

    margin-bottom: 20px;

    border-bottom: 1px solid var(--border-color);

    padding-bottom: 10px;

    font-weight: 700;

}



/* Checklist Table */

.checklist-table {

    width: 100%;

    margin-top: 15px;

    font-size: 0.95rem;

}



.checklist-table th {

    background: rgba(16, 185, 129, 0.15) !important;

    color: var(--accent-color);

    padding: 12px;

}



.checklist-table td {

    padding: 10px 12px;

    border-bottom: 1px solid rgba(255, 255, 255, 0.05);

    background: rgba(255, 255, 255, 0.01);

}



.checklist-table tr:hover td {

    background: rgba(16, 185, 129, 0.03);

}



.checklist-table input[type="radio"] {

    transform: scale(1.2);

    cursor: pointer;

}



.io-text { color: var(--success-color); font-weight: bold; }

.nio-text { color: var(--danger-color); font-weight: bold; }



/* Grid & Cards */

.bu-grid-2col {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 20px;

}



.bu-card {

    background: rgba(255, 255, 255, 0.03);

    border: 1px solid var(--border-color);

    border-radius: 12px;

    padding: 25px;

    margin-bottom: 20px;

}



/* Animations */

@keyframes fadeIn {

    from { opacity: 0; transform: translateY(5px); }

    to { opacity: 1; transform: translateY(0); }

}



/* Sandbox Specifics */

.doc-input {

    width: 100%;

    padding: 10px;

    background: rgba(255,255,255,0.05);

    border: 1px solid var(--border-color);

    color: white;

    border-radius: 8px;

}



.doc-input:focus {

    border-color: var(--accent-color);

    background: rgba(255,255,255,0.08);

    outline: none;

}



.doc-input.mandatory-field {

    border-color: var(--danger-color);

    box-shadow: 0 0 5px rgba(239, 68, 68, 0.4);

    background: rgba(239, 68, 68, 0.05);

}



.doc-input.readonly {

    background: rgba(255,255,255,0.02) !important;

    color: rgba(255,255,255,0.5);

    border-color: rgba(255,255,255,0.1);

    cursor: default;

}



/* Visibility Markers */

.sicht-marker {

    width: 35px;

    height: 35px;

    border-radius: 50%;

    background: rgba(0,0,0,0.6);

    border: 2px solid white;

    color: white;

    display: flex;

    align-items: center;

    justify-content: center;

    font-weight: 700;

    cursor: pointer;

    font-size: 0.8rem;

    transition: all 0.2s;

    user-select: none;

    box-shadow: 0 0 10px rgba(0,0,0,0.5);

}



.sicht-marker:hover {

    transform: scale(1.2);

    z-index: 10;

}



.sicht-marker.io { background: var(--success-color); border-color: #064e3b; color: #064e3b; }

.sicht-marker.nio { background: var(--danger-color); border-color: #7f1d1d; color: white; animation: pulseRed 2s infinite; }



@keyframes pulseRed {

    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }

    70% { box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }

    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }

}



.sicht-marker-mini { width: 12px; height: 12px; border-radius: 50%; }

.sicht-marker-mini.io { background: var(--success-color); }

.sicht-marker-mini.nio { background: var(--danger-color); }



/* Quadrant 2.0 - Floating Cards and Dual Photos */

.quad-diagram-wrapper {

    position: relative;

    width: 100%;

    max-width: 1100px;

    margin: 0 auto;

    border: 2px solid var(--border-color);

    border-radius: 16px;

    overflow: hidden;

    background: #000;

}



.calc-table-grid {

    display: grid;

    grid-template-columns: 50px 60px 45px 65px 65px 60px 1fr;

    gap: 8px;

    align-items: center;

    font-size: 0.85rem;

    margin-top: 10px;

}



.calc-table-grid .th {

    font-weight: 700;

    color: var(--accent-color);

    font-size: 0.7rem;

    padding-bottom: 5px;

    border-bottom: 1px solid rgba(255,255,255,0.1);

    text-transform: uppercase;

}



.calc-table-grid .td, .calc-table-grid .td-label {

    padding: 4px 0;

}



.calc-table-grid .td-label {

    font-weight: 700;

    color: #fff;

    opacity: 0.9;

}



.calc-card-tabular {

    padding: 15px;

    background: rgba(255,255,255,0.03);

    border: 1px solid var(--border-color);

    border-radius: 12px;

    margin-bottom: 15px;

}



.calc-card-tabular.warning-border {

    border-color: var(--danger-color);

    background: rgba(127, 29, 29, 0.05);

}



.badge.danger {

    background: var(--danger-color);

    color: #fff;

    padding: 2px 8px;

    border-radius: 4px;

    font-size: 0.75rem;

    font-weight: 700;

}



.quad-diagram-img {

    width: 100%;

    display: block;

    opacity: 1.0;

}



.quad-card-floating {

    position: absolute;

    width: 270px;

    background: rgba(6, 78, 59, 0.7);

    backdrop-filter: blur(12px) saturate(180%);

    -webkit-backdrop-filter: blur(12px) saturate(180%);

    border: 1px solid rgba(255, 255, 255, 0.2);

    border-radius: 16px;

    padding: 15px;

    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);

    z-index: 5;

    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);

}



.quad-card-floating:hover {

    transform: translateY(-5px) scale(1.02);

    border-color: var(--accent-color);

    background: rgba(6, 78, 59, 0.85);

    z-index: 50;

}



.quad-card-floating.nio-status {

    border-color: var(--danger-color);

    box-shadow: 0 0 20px rgba(239, 68, 68, 0.3);

    background: rgba(127, 29, 29, 0.4);

}



.quad-card-title {

    font-weight: 800;

    font-size: 0.85rem;

    color: var(--accent-color);

    margin-bottom: 8px;

    display: flex;

    justify-content: space-between;

}



.quad-photo-grid {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 8px;

    margin-bottom: 10px;

}



.quad-photo-slot {

    position: relative;

    height: 80px;

    background: rgba(255,255,255,0.05);

    border: 1px dashed rgba(255,255,255,0.2);

    border-radius: 6px;

    overflow: hidden;

    display: flex;

    flex-direction: column;

    align-items: center;

    justify-content: center;

    cursor: pointer;

}



.quad-photo-slot img {

    width: 100%;

    height: 100%;

    object-fit: cover;

}



.la-center-container {

    position: absolute;

    left: 50%;

    transform: translateX(-50%);

    display: flex;

    flex-direction: column;

    gap: 5px;

    z-index: 100;

    pointer-events: none; /* Klicks gehen durch auf das Diagramm falls nötig */

}



.la-center-container.pos-top { top: 20px; }

.la-center-container.pos-bottom { bottom: 20px; }



.la-box-main, .la-box-sub {

    background: rgba(16, 185, 129, 0.85); /* Akzent-Grün */

    backdrop-filter: blur(5px);

    border: 1px solid white;

    color: white;

    padding: 6px 12px;

    border-radius: 8px;

    font-size: 0.9rem;

    font-weight: 700;

    text-align: center;

    box-shadow: 0 4px 15px rgba(0,0,0,0.4);

    min-width: 120px;

}



.la-box-sub {

    background: rgba(6, 78, 59, 0.8); /* Dunkleres Grün */

    font-size: 0.8rem;

    padding: 4px 10px;

    margin-top: 50px; /* Verschiebung Vmax Oben zur Mitte */

}



.pos-bottom .la-box-sub {

    margin-top: 0;

    margin-bottom: 50px; /* Verschiebung Vmax Unten zur Mitte */

}



.la-box-main span, .la-box-sub span {

    color: #fcd34d; /* Gelb-Akzent für die Werte */

    font-size: 1rem;

}



.quad-photo-label {

    position: absolute;

    top: 50%;

    left: 0;

    right: 0;

    transform: translateY(-50%);

    background: rgba(0,0,0,0.6);

    color: white;

    font-size: 0.75rem;

    text-align: center;

    padding: 5px 0;

    font-weight: 700;

    pointer-events: none;

}



/* Positioning for the 4 corners */

.pos-q1 { bottom: 15px; left: 15px; }   /* LH */

.pos-q2 { top: 15px; left: 15px; }      /* LV */

.pos-q3 { top: 15px; right: 15px; }     /* RV */

.pos-q4 { bottom: 15px; right: 15px; }  /* RH */



.la-display-box { display: none; } /* Veraltet */

.small-input { display: none; } /* Veraltet */





.icon-btn {

    background: none;

    border: none;

    cursor: pointer;

    font-size: 1.2rem;

    padding: 0;

    transition: transform 0.1s;

}



.icon-btn:hover {

    transform: scale(1.2);

}



/* Photo Delete Button Overlay */

.photo-delete-btn {

    position: absolute;

    top: 5px;

    right: 5px;

    width: 20px;

    height: 20px;

    background: var(--danger-color);

    color: white;

    border-radius: 50%;

    display: flex;

    align-items: center;

    justify-content: center;

    font-size: 12px;

    font-weight: bold;

    cursor: pointer;

    z-index: 10;

    border: 1px solid white;

    box-shadow: 0 0 5px rgba(0,0,0,0.5);

    line-height: 1;

    user-select: none;

}



.photo-delete-btn:hover {

    background: #b91c1c;

    transform: scale(1.1);

}



/* Sichtflächen-Berechnung (VDV 363) */

.calc-card {

    padding: 12px;

    background: rgba(255, 255, 255, 0.05);

    border: 1px solid rgba(255, 255, 255, 0.1);

    margin-bottom: 0;

    transition: all 0.3s ease;

}



.calc-card:hover {

    background: rgba(16, 185, 129, 0.05);

    border-color: var(--accent-color);

}



.calc-card-header {

    font-size: 0.8rem;

    font-weight: 700;

    color: var(--accent-color);

    margin-bottom: 10px;

    text-transform: uppercase;

    border-bottom: 1px solid rgba(255, 255, 255, 0.05);

    padding-bottom: 5px;

}



.calc-grid-inner {

    display: grid;

    grid-template-columns: 1fr 1fr;

    gap: 12px;

}



.calc-input label {

    display: block;

    font-size: 0.7rem;

    opacity: 0.7;

    margin-bottom: 4px;

}



.doc-input.compact {

    padding: 5px 8px !important;

    font-size: 0.85rem !important;

    height: auto !important;

    background: rgba(0,0,0,0.2) !important;

}



.calc-result {

    display: flex;

    flex-direction: column;

    justify-content: center;

}



.res-lbl {

    font-size: 0.65rem;

    opacity: 0.6;

}



.res-val {

    font-size: 1.2rem;

    font-weight: 800;

    color: #fff;

}



.calc-result.highlight .res-val {

    color: #fcd34d; /* Gelb für La */

}



.v-min-overlay {

    position: absolute;

    top: 15px;

    background: rgba(16, 185, 129, 0.9);

    backdrop-filter: blur(4px);

    color: white;

    padding: 5px 12px;

    border-radius: 8px;

    font-size: 0.9rem;

    font-weight: 900;

    box-shadow: 0 4px 15px rgba(0,0,0,0.4);

    z-index: 10;

    border: 1px solid white;

}



.overlay-left { left: 15px; }

.overlay-right { right: 15px; }



.sicht-marker {

    width: 32px;

    height: 32px;

    border-radius: 50%;

    display: flex;

    align-items: center;

    justify-content: center;

    font-weight: bold;

    cursor: pointer;

    border: 2px solid white;

    box-shadow: 0 0 12px rgba(0,0,0,0.6);

    transition: all 0.2s;

    font-size: 0.85rem;

}



.sicht-marker:hover {

    transform: scale(1.2) !important;

    z-index: 100;

}



#buMainContent {

    background: rgba(255, 255, 255, 0.02);

    border-radius: 12px;

    padding: 25px;

    border: 1px solid var(--border-color);

    min-height: 500px;

    width: 100%;

    animation: fadeIn 0.3s ease;

}



/* Modal Overlays */

#newBUModal {

    position: fixed;

    inset: 0;

    background: rgba(0, 0, 0, 0.85);

    display: none;

    align-items: center;

    justify-content: center;

    z-index: 1000;

    backdrop-filter: blur(5px);

}



.modal-content {

    background: var(--card-bg);

    padding: 30px;

    border-radius: 16px;

    border: 1px solid var(--border-color);

    width: 450px;

    max-width: 90%;

    box-shadow: 0 20px 50px rgba(0,0,0,0.5);

    animation: fadeIn 0.3s ease;

}



.modal-content h3 {

    margin-bottom: 20px;

    color: var(--accent-color);

    font-size: 1.3rem;

    margin-top: 0;

}