/* ========================================
   Garagen-Lagersystem - Mobile-First CSS
   ======================================== */

/* CSS Variables */
:root {
    --primary: #1a73e8;
    --primary-dark: #1557b0;
    --primary-light: #4285f4;
    --success: #34a853;
    --success-light: #81c995;
    --warning: #fbbc04;
    --danger: #ea4335;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-500: #6c757d;
    --gray-700: #495057;
    --gray-900: #212529;
    --white: #ffffff;
    
    /* Font sizes */
    --font-base: 16px;
    --font-sm: 14px;
    --font-xs: 12px;
    --font-lg: 18px;
    --font-xl: 20px;
    --font-2xl: 24px;
    --font-3xl: 32px;
    
    /* Moderne Schatten mit mehreren Ebenen */
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.08), 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.1), 0 12px 40px rgba(0,0,0,0.12);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.12), 0 16px 60px rgba(0,0,0,0.08);
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
    --glass-blur: 12px;
    
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    
    /* Animationen */
    --transition-fast: 0.15s ease;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Color scheme tokens */
    --bg-primary: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    --bg-flat: #f5f7fa;
    --bg-secondary: var(--white);
    --bg-header: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-700);
    --text-muted: var(--gray-500);
    --border-color: var(--gray-200);
    --input-bg: var(--white);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: linear-gradient(135deg, #0f0f1a 0%, #1a1a2e 100%);
    --bg-flat: #0f0f1a;
    --bg-secondary: #1e1e32;
    --bg-header: linear-gradient(135deg, #1e3a5f 0%, #0f2847 100%);
    --text-primary: #f0f0f0;
    --text-secondary: #c0c0c0;
    --text-muted: #888888;
    --border-color: #2a2a4a;
    --input-bg: #252540;
    
    /* Dark Glassmorphism */
    --glass-bg: rgba(30, 30, 50, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    --shadow: 0 1px 3px rgba(0,0,0,0.2), 0 4px 12px rgba(0,0,0,0.15);
    --shadow-md: 0 2px 8px rgba(0,0,0,0.2), 0 8px 24px rgba(0,0,0,0.2);
    --shadow-lg: 0 4px 16px rgba(0,0,0,0.25), 0 12px 40px rgba(0,0,0,0.3);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.3), 0 16px 60px rgba(0,0,0,0.2);
    
    --gray-100: #1a1a2e;
    --gray-200: #2a2a4a;
    --gray-300: #3a3a5a;
    --gray-900: #f0f0f0;
    --white: #1e1e32;
}

/* Large Text Mode */
[data-text-size="large"] {
    --font-base: 20px;
    --font-sm: 17px;
    --font-xs: 15px;
    --font-lg: 22px;
    --font-xl: 25px;
    --font-2xl: 30px;
    --font-3xl: 40px;
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-tap-highlight-color: transparent;
    transition: background var(--transition), color var(--transition);
}

/* ========================================
   Login Page
   ======================================== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}

[data-theme="dark"] .login-page {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 40px 30px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo {
    font-size: 48px;
    margin-bottom: 10px;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ========================================
   Forms
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: var(--font-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.image-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--input-bg);
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-sm);
    min-height: 180px;
    padding: 12px;
    margin-bottom: 12px;
    position: relative;
    overflow: hidden;
}

.image-preview img {
    max-width: 100%;
    max-height: 220px;
    object-fit: contain;
    display: none;
}

.image-empty {
    color: var(--text-muted);
    font-size: 14px;
}

.image-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.image-actions input[type="file"] {
    flex: 1 1 240px;
    padding: 10px 12px;
    font-size: 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
}

.detail-image {
    margin-bottom: 20px;
}

.detail-image .image-preview {
    min-height: 200px;
}

/* Password Input with Toggle */
.password-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.password-input-wrapper input {
    padding-right: 50px;
}

.password-toggle {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    opacity: 0.6;
}

.password-toggle:hover {
    opacity: 1;
    background: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .password-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.password-toggle .eye-icon {
    font-size: 18px;
    line-height: 1;
}

.password-toggle.active {
    opacity: 1;
    color: var(--primary);
}

input[type="text"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text-primary);
    transition: all var(--transition);
    -webkit-appearance: none;
    appearance: none;
}

textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.45;
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(26, 115, 232, 0.15);
}

.form-group.has-error label {
    color: #c62828;
}

.field-invalid {
    border-color: #e53935 !important;
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.16);
}

.validation-hint {
    min-height: 16px;
    margin-top: 6px;
    font-size: 12px;
    line-height: 1.35;
    color: #c62828;
}

[data-theme="dark"] .form-group.has-error label,
[data-theme="dark"] .validation-hint {
    color: #ff8a80;
}

#editVehicleSectionBase,
#editVehicleSectionIds,
#editVehicleSectionTech,
#editVehicleSectionInterior,
#editVehicleSectionBody,
#editVehicleSectionSafety {
    min-height: 150px;
}

/* Autofill styling */
input:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 100px var(--input-bg) inset;
    -webkit-text-fill-color: var(--text-primary);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: scale(0.97);
}

.btn-large {
    width: 100%;
    padding: 16px 24px;
    font-size: 18px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(26, 115, 232, 0.3);
}

.btn-primary:hover,
.btn-primary:active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(52, 168, 83, 0.3);
}

.btn-success:hover {
    box-shadow: 0 6px 20px rgba(52, 168, 83, 0.4);
}

.btn-warning {
    background: linear-gradient(135deg, #ffd166 0%, var(--warning) 100%);
    color: #4e3a00;
    box-shadow: 0 4px 15px rgba(251, 188, 4, 0.35);
}

.btn-warning:hover {
    box-shadow: 0 6px 20px rgba(251, 188, 4, 0.45);
}

.btn-danger {
    background: var(--danger);
    color: #ffffff;
}

.btn-secondary {
    background: var(--border-color);
    color: var(--text-secondary);
}

.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: 50%;
    font-size: 20px;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ========================================
   App Layout
   ======================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-header);
    color: #ffffff;
    padding: 16px 20px;
    box-shadow: var(--shadow-lg);
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.header-title {
    font-size: 20px;
    font-weight: 600;
}

.header-user {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
}

.btn-logout {
    background: rgba(255,255,255,0.2);
    color: #ffffff;
    padding: 8px 16px;
    font-size: 14px;
}

.btn-icon {
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.3);
}

/* Search Bar */
.search-bar {
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    background: rgba(255,255,255,0.95);
    color: var(--gray-900);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.search-bar input:focus {
    background: #ffffff;
    box-shadow: var(--shadow-md);
    transform: scale(1.01);
}

[data-theme="dark"] .search-bar input {
    background: rgba(30, 30, 50, 0.9);
    color: var(--text-primary);
}

.search-bar::before {
    content: "🔍";
    position: absolute;
    left: 16px;
    top: 14px;
    font-size: 18px;
    z-index: 1;
}

/* Search Suggestions / Autocomplete */
.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-top: 8px;
    box-shadow: var(--shadow-lg);
    max-height: 300px;
    overflow-y: auto;
    z-index: 150;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
}

.search-suggestions.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.suggestion-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover,
.suggestion-item.selected {
    background: rgba(26, 115, 232, 0.1);
}

[data-theme="dark"] .suggestion-item:hover,
[data-theme="dark"] .suggestion-item.selected {
    background: rgba(26, 115, 232, 0.2);
}

.suggestion-name {
    font-weight: 500;
    color: var(--text-primary);
}

.suggestion-name mark {
    background: rgba(26, 115, 232, 0.3);
    color: var(--primary);
    padding: 1px 2px;
    border-radius: 3px;
}

.suggestion-location {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Filter Bar */
.filter-bar {
    margin-top: 10px;
}

.filter-bar select {
    width: 100%;
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    background-color: rgba(255,255,255,0.9);
    color: var(--gray-900);
    cursor: pointer;
    appearance: none;
    box-shadow: var(--shadow);
    transition: all var(--transition);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667085' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
}

.filter-bar select:focus {
    background-color: #ffffff;
    box-shadow: var(--shadow-md);
    outline: none;
}

[data-theme="dark"] .filter-bar select {
    background-color: rgba(30, 30, 50, 0.9);
    color: var(--text-primary);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23888888' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
}

/* Main Content */
.app-main {
    flex: 1;
    padding: 20px;
    padding-bottom: 100px;
}

/* ========================================
   Navigation Tabs
   ======================================== */
.nav-tabs {
    display: flex;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 6px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
}

.nav-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-weight: 600;
    color: var(--text-muted);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
}

.nav-tab:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(0,0,0,0.05);
}

[data-theme="dark"] .nav-tab:hover:not(.active) {
    background: rgba(255,255,255,0.05);
}

.nav-tab.active {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
}

/* ========================================
   Item Cards
   ======================================== */
.items-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.item-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.item-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.item-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.item-card:hover::before {
    transform: scaleX(1);
}

.item-card:active {
    transform: translateY(-2px) scale(0.99);
}

/* Fade-in Animation für neue Items */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.item-card {
    animation: fadeInUp 0.4s ease-out backwards;
}

.item-card:nth-child(1) { animation-delay: 0.05s; }
.item-card:nth-child(2) { animation-delay: 0.1s; }
.item-card:nth-child(3) { animation-delay: 0.15s; }
.item-card:nth-child(4) { animation-delay: 0.2s; }
.item-card:nth-child(5) { animation-delay: 0.25s; }
.item-card:nth-child(n+6) { animation-delay: 0.3s; }

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 8px;
}

.item-name {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.item-quantity {
    font-size: var(--font-lg);
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    padding: 6px 14px;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(26, 115, 232, 0.3);
    min-width: 50px;
    text-align: center;
}

.item-location {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: var(--font-sm);
    flex-wrap: wrap;
}

.item-location .shelf {
    background: var(--border-color);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 500;
    color: var(--text-secondary);
}

.item-image-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: var(--font-xs);
    font-weight: 600;
    color: #2b2b2b;
    background: linear-gradient(135deg, #ffd54f 0%, #ffb300 100%);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.item-type {
    font-size: var(--font-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.item-type.bulk {
    color: var(--success);
}

.item-card.out-of-box {
    border-color: rgba(251, 188, 4, 0.6);
    box-shadow: 0 2px 10px rgba(251, 188, 4, 0.25);
}

.item-card.out-of-box .item-name {
    color: #e53935;
    text-shadow: 0 0 8px rgba(229, 57, 53, 0.25);
}

[data-theme="dark"] .item-card.out-of-box .item-name {
    color: #ff6b6b;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.35);
}

.item-status {
    margin-left: auto;
    background: rgba(251, 188, 4, 0.15);
    color: #8a6d00;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

[data-theme="dark"] .item-status {
    background: rgba(251, 188, 4, 0.2);
    color: #f1d77a;
}

.item-status-detail {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 12px 14px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.status-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    font-weight: 600;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    width: fit-content;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(52, 168, 83, 0.15);
    color: #2e7d32;
}

.status-pill.out {
    background: rgba(251, 188, 4, 0.2);
    color: #8a6d00;
}

[data-theme="dark"] .status-pill {
    color: #a5d6a7;
}

[data-theme="dark"] .status-pill.out {
    color: #f1d77a;
}

.status-meta {
    font-size: 13px;
    color: var(--text-secondary);
}

.item-notes-detail {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 12px 14px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
}

.notes-text {
    font-size: 14px;
    color: var(--text-primary);
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

/* ========================================
   FAB (Floating Action Button)
   ======================================== */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: #ffffff;
    border: none;
    border-radius: 50%;
    font-size: 32px;
    box-shadow: 0 6px 20px rgba(26, 115, 232, 0.4);
    cursor: pointer;
    z-index: 50;
    transition: all var(--transition);
}

.fab:hover {
    transform: scale(1.1) rotate(90deg);
    box-shadow: 0 8px 30px rgba(26, 115, 232, 0.5);
}

.fab:active {
    transform: scale(1.05) rotate(90deg);
}

/* ========================================
   Modal
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: 28px;
    transform: translateY(100%);
    transition: transform var(--transition-slow);
    overflow-y: auto;
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.modal-title {
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 40px;
    height: 40px;
    background: var(--border-color);
    border: none;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.modal-actions .btn {
    flex: 1;
}

/* ========================================
   Quantity Controls
   ======================================== */
.quantity-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    margin: 16px 0;
}

.quantity-btn {
    width: 60px;
    height: 60px;
    font-size: 28px;
    font-weight: bold;
    border-radius: 50%;
    transition: all var(--transition);
}

.quantity-btn:hover {
    transform: scale(1.1);
}

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

.quantity-display {
    font-size: 32px;
    font-weight: 700;
    min-width: 80px;
    text-align: center;
}

/* ========================================
   Log Entries
   ======================================== */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.log-entry {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    padding: 16px 18px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.log-entry:hover {
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

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

.log-action {
    font-weight: 600;
    font-size: var(--font-sm);
    padding: 4px 10px;
    border-radius: 4px;
}

.log-action.create { background: #e8f5e9; color: #2e7d32; }
.log-action.update { background: #e3f2fd; color: #1565c0; }
.log-action.increase { background: #e8f5e9; color: #2e7d32; }
.log-action.decrease { background: #ffebee; color: #c62828; }
.log-action.move { background: #fff3e0; color: #ef6c00; }
.log-action.temp_out { background: #ede7f6; color: #5e35b1; }
.log-action.return { background: #e8f5e9; color: #2e7d32; }
.log-action.delete { background: #ffebee; color: #c62828; }

.log-time {
    font-size: var(--font-xs);
    color: var(--gray-500);
}

.log-details {
    font-size: var(--font-sm);
    color: var(--gray-700);
}

/* ========================================
   To-Do
   ======================================== */
.todo-panel {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.todo-header {
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 14px;
}

.todo-header label {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    font-weight: 600;
}

.todo-form {
    display: flex;
    gap: 10px;
}

.todo-form input {
    flex: 1;
}

.todo-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.todo-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    box-shadow: var(--shadow);
}

.todo-item-main {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.todo-check {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.todo-text {
    color: var(--text-primary);
    word-break: break-word;
}

.todo-item.done .todo-text {
    text-decoration: line-through;
    color: var(--text-muted);
}

.todo-delete-btn {
    padding: 8px 12px;
    font-size: 13px;
}

/* ========================================
   Documents
   ======================================== */
.documents-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.docs-vehicle-section {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    box-shadow: var(--shadow);
}

.docs-vehicle-section h3 {
    margin: 0 0 12px 0;
    font-size: var(--font-lg);
    color: var(--text-primary);
}

.docs-vehicle-controls {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.docs-vehicle-controls select {
    flex: 1;
    min-width: 200px;
}

.documents-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    box-shadow: var(--shadow);
}

.documents-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.documents-form label {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

.documents-form input,
.documents-form select,
.documents-form textarea {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--input-bg);
    color: var(--text-primary);
    font-size: var(--font-sm);
    font-family: inherit;
}

.documents-form textarea {
    min-height: 80px;
    resize: vertical;
}

.documents-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.document-card {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    box-shadow: var(--shadow);
}

.doc-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 12px;
}

.doc-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.doc-info h4 {
    margin: 0 0 6px 0;
    font-size: var(--font-base);
    color: var(--text-primary);
}

.doc-category {
    display: inline-block;
    background: rgba(26, 115, 232, 0.2);
    color: var(--primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: var(--font-xs);
    font-weight: 600;
}

.doc-description {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    margin: 0 0 12px 0;
    line-height: 1.5;
}

.doc-files {
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.doc-files h5 {
    margin: 0 0 10px 0;
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.files-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: rgba(255, 255, 255, 0.04);
    padding: 10px;
    border-radius: 6px;
    font-size: var(--font-sm);
}

.file-name {
    color: var(--text-primary);
    font-weight: 500;
    word-break: break-all;
    flex: 1;
}

.file-size {
    color: var(--text-muted);
    font-size: var(--font-xs);
    white-space: nowrap;
}

.no-files {
    color: var(--text-muted);
    font-size: var(--font-sm);
    margin: 0 0 12px 0;
}

.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: rgba(26, 115, 232, 0.04);
}

.file-upload-area:hover {
    border-color: var(--primary);
    background: rgba(26, 115, 232, 0.1);
}

.file-upload-area label {
    display: block;
    color: var(--text-secondary);
    font-size: var(--font-sm);
    cursor: pointer;
    margin: 0;
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-state .icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.empty-state p {
    color: var(--text-muted);
    margin: 0;
}

/* ========================================
   Messages
   ======================================== */
.error-message {
    background: #ffebee;
    color: #c62828;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
    font-size: 14px;
}

.success-message {
    background: #e8f5e9;
    color: #2e7d32;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
    font-size: 14px;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--text-muted);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}

.empty-state .icon {
    font-size: 72px;
    margin-bottom: 20px;
    filter: grayscale(0.3);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ========================================
   Loading Spinner
   ======================================== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ========================================
   Skeleton Loading
   ======================================== */
.skeleton {
    position: relative;
    overflow: hidden;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
}

.skeleton::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,0.4) 50%,
        transparent 100%
    );
    animation: shimmer 1.5s infinite;
}

[data-theme="dark"] .skeleton::after {
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255,255,255,0.1) 50%,
        transparent 100%
    );
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.skeleton-card {
    padding: 18px;
    margin-bottom: 12px;
}

.skeleton-line {
    height: 16px;
    background: var(--border-color);
    border-radius: 8px;
    margin-bottom: 12px;
}

.skeleton-line.title {
    width: 60%;
    height: 20px;
}

.skeleton-line.subtitle {
    width: 40%;
    height: 14px;
}

.skeleton-badge {
    width: 50px;
    height: 32px;
    background: var(--border-color);
    border-radius: 20px;
    position: absolute;
    top: 18px;
    right: 18px;
}

/* ========================================
   Toast Notifications
   ======================================== */
.toast-container {
    position: fixed;
    bottom: 100px;
    left: 20px;
    right: 20px;
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: linear-gradient(135deg, #444 0%, #333 100%);
    color: #ffffff;
    padding: 16px 24px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: auto;
    border: 1px solid rgba(255,255,255,0.1);
}

[data-theme="dark"] .toast {
    background: linear-gradient(135deg, #555 0%, #444 100%);
}

.toast.success {
    background: linear-gradient(135deg, var(--success-light) 0%, var(--success) 100%);
}

.toast.error {
    background: linear-gradient(135deg, #ef5350 0%, var(--danger) 100%);
}

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

/* ========================================
   Responsive - Tablet and Desktop
   ======================================== */
@media (min-width: 768px) {
    .modal {
        border-radius: var(--radius-lg);
        margin: auto;
    }
    
    .modal-overlay {
        align-items: center;
        padding: 20px;
    }
    
    .items-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .item-card:hover {
        transform: translateY(-6px) scale(1.01);
    }
    
    .fab {
        bottom: 32px;
        right: 32px;
    }

    .todo-form {
        align-items: center;
    }

    .todo-form .btn {
        width: auto;
        min-width: 140px;
    }

    .docs-vehicle-controls {
        flex-wrap: nowrap;
    }

    .docs-vehicle-controls select {
        flex: 1;
        min-width: 250px;
    }

    .documents-form {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .documents-form .form-group:nth-child(3) {
        grid-column: 1 / -1;
    }

    .documents-form .btn {
        grid-column: 1 / -1;
    }
}

@media (min-width: 1024px) {
    .app-main {
        max-width: 1200px;
        margin: 0 auto;
    }
    
    .items-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .nav-tabs {
        max-width: 400px;
    }
}

@media (min-width: 1400px) {
    .items-list {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ========================================
   EnergyTrading Industrial-Tech Theme
   ======================================== */
:root {
    --primary: #f5b301;
    --primary-dark: #c88a00;
    --primary-light: #ffd65c;
    --success: #16c172;
    --success-light: #5be0a7;
    --warning: #f6a21a;
    --danger: #e0503d;
    --gray-100: #0f141a;
    --gray-200: #1b242e;
    --gray-300: #263241;
    --gray-500: #7f8c9b;
    --gray-700: #c1ccd8;
    --gray-900: #ecf0f4;
    --white: #0f141a;

    --bg-primary: radial-gradient(1200px circle at 20% -10%, rgba(245, 179, 1, 0.18), transparent 55%),
        radial-gradient(900px circle at 90% 10%, rgba(22, 193, 114, 0.12), transparent 60%),
        linear-gradient(135deg, #0b0f14 0%, #121821 50%, #151d27 100%);
    --bg-flat: #0b0f14;
    --bg-secondary: #121821;
    --bg-header: linear-gradient(135deg, #111821 0%, #1b2530 60%, #222b36 100%);
    --text-primary: #e6edf6;
    --text-secondary: #c1ccd8;
    --text-muted: #7f8c9b;
    --border-color: #24313e;
    --input-bg: #141c24;

    --glass-bg: rgba(16, 22, 29, 0.78);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 18px;
}

[data-theme="dark"] {
    --bg-primary: radial-gradient(1000px circle at 15% -10%, rgba(245, 179, 1, 0.1), transparent 55%),
        radial-gradient(900px circle at 85% 15%, rgba(22, 193, 114, 0.08), transparent 60%),
        linear-gradient(135deg, #070a0e 0%, #0d1219 50%, #0e141c 100%);
    --bg-flat: #070a0e;
    --bg-secondary: #0c1219;
    --bg-header: linear-gradient(135deg, #0c131a 0%, #141c26 60%, #1b2430 100%);
    --input-bg: #0f151d;
    --border-color: #1d2732;
    --glass-bg: rgba(10, 14, 18, 0.8);
    --glass-border: rgba(255, 255, 255, 0.06);
}

body {
    font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
    letter-spacing: 0.1px;
    position: relative;
    isolation: isolate;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 36px 36px;
    opacity: 0.35;
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    inset: -40% 0 0 0;
    background: linear-gradient(0deg, transparent 0%, rgba(245, 179, 1, 0.08) 50%, transparent 100%);
    opacity: 0.4;
    animation: scanline 10s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes scanline {
    0% { transform: translateY(-40%); }
    100% { transform: translateY(40%); }
}

.app-container,
.login-container {
    position: relative;
    z-index: 1;
}

.login-page {
    background: linear-gradient(135deg, #0d1117 0%, #151c24 45%, #1a232e 100%);
}

.login-header h1,
.header-title,
.modal-title,
.nav-tab,
.item-name {
    font-family: "Barlow Condensed", "Space Grotesk", sans-serif;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.header-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.header-title {
    font-size: 22px;
    font-weight: 700;
}

.energy-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    background: linear-gradient(135deg, rgba(245, 179, 1, 0.24), rgba(245, 179, 1, 0.08));
    border: 1px solid rgba(245, 179, 1, 0.35);
    border-radius: 999px;
    width: fit-content;
}

.energy-badge::before {
    content: "ET";
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(245, 179, 1, 0.28);
    border: 1px solid rgba(245, 179, 1, 0.5);
    font-size: 10px;
    letter-spacing: 0;
}

.energy-badge--login {
    margin-top: 16px;
    justify-content: center;
}

.app-header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background-image:
        repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.04) 0 6px, transparent 6px 18px),
        var(--bg-header);
}

.search-bar input,
.filter-bar select {
    background: rgba(10, 14, 18, 0.9);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.search-bar input:focus,
.filter-bar select:focus {
    box-shadow: 0 0 0 3px rgba(245, 179, 1, 0.2), var(--shadow-md);
}

.search-bar input,
[data-theme="dark"] .search-bar input {
    color: #000000 !important;
    -webkit-text-fill-color: #000000;
    caret-color: #000000;
}

.search-bar input::placeholder,
[data-theme="dark"] .search-bar input::placeholder {
    color: rgba(0, 0, 0, 0.45) !important;
}

.nav-tabs {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(12, 16, 22, 0.75);
}

.nav-tab {
    color: var(--text-muted);
}

.nav-tab.active {
    background: linear-gradient(135deg, rgba(245, 179, 1, 0.9) 0%, rgba(245, 179, 1, 0.6) 100%);
    color: #111217;
    box-shadow: 0 8px 20px rgba(245, 179, 1, 0.28);
}

.item-card,
.log-entry,
.quantity-controls,
.modal {
    border-color: rgba(255, 255, 255, 0.08);
}

.item-card::before {
    background: linear-gradient(90deg, rgba(245, 179, 1, 0.9), rgba(245, 179, 1, 0.2));
}

.item-location .shelf {
    background: rgba(245, 179, 1, 0.12);
    color: var(--text-secondary);
    border: 1px solid rgba(245, 179, 1, 0.25);
}

.btn-primary {
    box-shadow: 0 6px 18px rgba(245, 179, 1, 0.28);
}

.btn-icon,
.btn-logout {
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.fab {
    box-shadow: 0 10px 24px rgba(245, 179, 1, 0.32);
}

/* ========================================
   File Preview Modal
   ======================================== */

.file-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

#filePreviewModal.show,
.file-preview-modal[style*="display: flex"] {
    display: flex !important;
}

.file-preview-content {
    max-width: 90vw;
    max-height: 90vh;
    width: 1200px;
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.file-preview-content .modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.file-preview-content .modal-header h3 {
    margin: 0;
    font-size: var(--font-xl);
    font-weight: 600;
    color: var(--text-primary);
    max-width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-preview-content .modal-body {
    flex: 1;
    overflow: auto;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

/* Preview Elements */
.preview-image {
    max-width: 100%;
    max-height: 70vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
}

.preview-pdf {
    width: 100%;
    height: 70vh;
    border-radius: var(--radius-sm);
    background: white;
}

.preview-video,
.preview-audio {
    max-width: 100%;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.preview-video {
    max-height: 70vh;
}

.preview-text {
    width: 100%;
    max-height: 70vh;
    overflow: auto;
    padding: 20px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--radius-sm);
    font-family: 'Courier New', monospace;
    font-size: var(--font-sm);
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.preview-no-preview {
    text-align: center;
    padding: 40px;
}

.preview-no-preview p {
    margin: 15px 0;
    color: var(--text-secondary);
}

.preview-no-preview .btn {
    margin-top: 20px;
}

.preview-error {
    text-align: center;
    padding: 40px;
    color: var(--danger);
}

/* File Actions */
.file-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(245, 179, 1, 0.3);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.file-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.file-size {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    white-space: nowrap;
}

/* Responsive */
@media (max-width: 768px) {
    .file-preview-content {
        width: 95vw;
        max-height: 95vh;
    }
    
    .file-preview-content .modal-header h3 {
        font-size: var(--font-lg);
        max-width: 60%;
    }
    
    .preview-pdf,
    .preview-video {
        height: 50vh;
    }
    
    .file-item {
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .file-name {
        flex-basis: 100%;
    }
    
    .file-actions {
        margin-left: auto;
    }
    
    .vehicles-list {
        gap: 12px;
    }
    
    .vehicle-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .vehicle-actions {
        width: 100%;
        justify-content: flex-end;
    }
}

/* Vehicle List Styles */
.vehicles-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.no-vehicles {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-secondary);
    font-style: italic;
}

.vehicle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.vehicle-item:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(245, 179, 1, 0.3);
    transform: translateX(4px);
    box-shadow: var(--shadow-md);
}

.vehicle-select-btn {
    cursor: pointer;
    transition: all var(--transition);
}

.vehicle-select-btn:hover {
    background: rgba(255, 255, 255, 0.12) !important;
    border-color: rgba(245, 179, 1, 0.5) !important;
    transform: translateX(8px);
}

.vehicle-item.selected {
    background: rgba(245, 179, 1, 0.15);
    border: 2px solid rgba(245, 179, 1, 0.6);
    box-shadow: 0 0 16px rgba(245, 179, 1, 0.2);
}

.vehicle-item.selected:hover {
    background: rgba(245, 179, 1, 0.2);
}

.vehicle-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.vehicle-name {
    font-weight: 600;
    font-size: var(--font-base);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.vehicle-description {
    color: var(--text-secondary);
    font-size: var(--font-sm);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.vehicle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 2px;
}

.vehicle-meta-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-xs);
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    padding: 4px 10px;
}

.vehicle-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}