/* styles.css */

/* =========================================
   1. VARIABLES & THEMES
   ========================================= */
:root {
    /* --- LIGHT THEME --- */
    --bg-color: #f0f2f5;
    --bg-gradient: linear-gradient(135deg, #f0f2f5 0%, #eef2f3 100%);
    --surface-color: rgba(255, 255, 255, 0.9);
    --text-color: #1a1a1a;
    --text-secondary: #5f6368;
    
    --card-border: 1px solid rgba(255, 255, 255, 0.6);
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    
    --primary-color: #3b82f6; /* Modern Blue */
    --primary-hover: #2563eb;
    --primary-glow: rgba(59, 130, 246, 0.4);
    
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --danger-gradient-start: #ef4444;
    --danger-gradient-end: #dc2626;
    
    --warning-color: #f59e0b;
    --reserve-color: #f97316;
    --rollback-color: #6366f1;
    
    --table-header-bg: #e2e8f0; 
    --table-row-odd: rgba(255, 255, 255, 0.5);
    --table-row-even: rgba(249, 250, 251, 0.5);
    --table-row-hover: rgba(59, 130, 246, 0.1);
    --border-color: #cbd5e1; 
    
    --table-separator-color: #94a3b8; 
    
    --modal-overlay: rgba(0, 0, 0, 0.3);
    --glass-blur: blur(12px);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --font-main: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --base-font-size: 14px;
    --table-font-size: 12px;
    --table-padding: 6px 10px;
    
    --transition-speed: 0.3s;
    
    color-scheme: light;
}

/* --- DARK MODE --- */
body.dark-mode {
    --bg-color: #0f172a;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --surface-color: rgba(30, 41, 59, 0.95);
    --text-color: #e2e8f0;
    --text-secondary: #94a3b8;
    --card-border: 1px solid rgba(255, 255, 255, 0.1);
    --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --primary-color: #6366f1;
    --primary-hover: #818cf8;
    --primary-glow: 0 0 15px rgba(99, 102, 241, 0.6);
    --success-color: #34d399;
    --danger-color: #f87171;
    --danger-gradient-start: #f87171;
    --danger-gradient-end: #ef4444;
    --warning-color: #fbbf24;
    --reserve-color: #fb923c;
    --rollback-color: #8b5cf6;
    --table-header-bg: #1e293b;
    --table-row-odd: rgba(30, 41, 59, 0.3);
    --table-row-even: rgba(30, 41, 59, 0.5);
    --table-row-hover: rgba(99, 102, 241, 0.2);
    --border-color: #334155;
    --table-separator-color: #475569; 
    --modal-overlay: rgba(0, 0, 0, 0.7);
    color-scheme: dark;
}

/* --- BLACK MODE --- */
body.black-mode {
    --bg-color: #000000;
    --bg-gradient: #000000;
    --surface-color: #0a0a0a;
    --text-color: #ffffff;
    --text-secondary: #a3a3a3;
    --card-border: 1px solid #333;
    --card-shadow: none;
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --primary-glow: none;
    --success-color: #22c55e;
    --danger-color: #ef4444;
    --warning-color: #eab308;
    --reserve-color: #f97316;
    --rollback-color: #6366f1;
    --table-header-bg: #111;
    --table-row-odd: #000;
    --table-row-even: #0a0a0a;
    --table-row-hover: #1a1a1a;
    --border-color: #333;
    --table-separator-color: #444;
    --modal-overlay: rgba(255, 255, 255, 0.1);
    --glass-blur: none;
    color-scheme: dark;
}

/* =========================================
   2. BASE
   ========================================= */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: var(--font-main);
    background: var(--bg-gradient);
    background-color: var(--bg-color);
    background-attachment: fixed;
    color: var(--text-color);
    font-size: var(--base-font-size);
    line-height: 1.5;
    min-height: 100vh;
    transition: background var(--transition-speed), color var(--transition-speed);
}
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(156, 163, 175, 0.5); border-radius: 4px; border: 2px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background-color: var(--primary-color); }
.container { max-width: 1920px; margin: 0 auto; padding: 15px; display: flex; flex-direction: column; height: 100vh; }

/* =========================================
   3. HEADER
   ========================================= */
.header {
    display: flex; justify-content: space-between; align-items: center; padding: 10px 20px; margin-bottom: 15px;
    background: var(--surface-color); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
    border: var(--card-border); border-radius: var(--radius-lg); box-shadow: var(--card-shadow); z-index: 100;
}
.logo a { text-decoration: none; color: var(--text-color); font-size: 1.4rem; font-weight: 700; display: flex; align-items: center; letter-spacing: -0.5px; }
.logo img { width: 32px; height: 32px; margin-right: 12px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); }
.logo p { font-size: 0.75rem; color: var(--text-secondary); margin-left: 44px; margin-top: -4px; font-weight: 400; }
.header-controls { display: flex; align-items: center; gap: 12px; }
.user-info {
    display: flex; align-items: center; gap: 8px; font-weight: 500; padding: 6px 14px;
    background: rgba(0,0,0,0.05); border: 1px solid transparent; border-radius: var(--radius-lg);
    color: var(--text-color); cursor: pointer; transition: all 0.3s ease; font-size: 0.9rem;
}
body.dark-mode .user-info { background: rgba(255,255,255,0.1); }
.user-info:hover { background: var(--primary-color); color: white; box-shadow: 0 0 15px var(--primary-glow); }
.theme-toggle i { font-size: 1.3rem; cursor: pointer; padding: 8px; border-radius: 50%; color: var(--text-color); transition: 0.3s; }
.theme-toggle i:hover { transform: rotate(180deg) scale(1.1); color: var(--warning-color); }
.btn-logout {
    display: flex; align-items: center; justify-content: center; width: 34px; height: 34px;
    border-radius: 50%; border: 1px solid var(--danger-color); color: var(--danger-color);
    background: transparent; transition: all 0.3s; text-decoration: none;
}
.btn-logout:hover { background: var(--danger-color); color: white; box-shadow: 0 0 10px rgba(239, 68, 68, 0.4); }

/* =========================================
   4. TABS & CONTROLS
   ========================================= */
.tabs-container { padding: 0 10px; display: flex; gap: 5px; border-bottom: 1px solid var(--border-color); margin-bottom: 15px; }
.tab-btn {
    padding: 10px 20px; background: transparent; border: none; color: var(--text-secondary);
    font-weight: 600; font-size: 0.95rem; cursor: pointer; border-radius: var(--radius-md) var(--radius-md) 0 0;
    transition: all 0.3s ease; position: relative; overflow: hidden;
}
.tab-btn:hover { color: var(--primary-color); background: rgba(255,255,255,0.05); }
.tab-btn.active { color: var(--primary-color); background: var(--bg-color); border-bottom: 2px solid var(--primary-color); }
body.dark-mode .tab-btn.active { text-shadow: 0 0 8px var(--primary-color); background: linear-gradient(to top, rgba(99, 102, 241, 0.15), transparent); }

.content { flex: 1; overflow: hidden; display: flex; flex-direction: column; position: relative; }
.tab-content { display: none; height: 100%; flex-direction: column; animation: fadeIn 0.4s ease; }
.tab-content.active { display: flex; }
.controls-bar, .stats-controls {
    display: flex; gap: 12px; padding: 15px; background: var(--surface-color);
    border: var(--card-border); border-radius: var(--radius-md); box-shadow: var(--card-shadow);
    margin-bottom: 15px; flex-wrap: wrap; align-items: center; backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
}
.input-field, .select-field {
    padding: 8px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.05); color: var(--text-color); outline: none; transition: all 0.3s; font-size: 0.9rem;
}
.controls-bar .input-field { flex: 1 1 180px; }
.controls-bar .select-field { min-width: 180px; }
.input-field:focus, .select-field:focus { border-color: var(--primary-color); box-shadow: 0 0 0 3px var(--primary-glow); background: var(--surface-color); }

/* --- MODERN TOGGLE SWITCH (CAPSULE STYLE) --- */
.switch-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-right: 15px;
    background: var(--bg-color); 
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--border-color);
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}
.switch-wrapper:hover {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
}
.switch {
    position: relative;
    display: inline-block;
    width: 36px; 
    height: 20px;
    margin-bottom: 0;
}
.switch input { opacity: 0; width: 0; height: 0; }
.slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: var(--text-secondary);
    transition: .4s;
    border-radius: 34px;
    opacity: 0.4;
}
.slider:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
input:checked + .slider { background-color: var(--primary-color); opacity: 1; }
input:checked + .slider:before { transform: translateX(16px); }
.switch-label {
    margin-bottom: 0;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    font-size: 0.9rem;
    white-space: nowrap;
    color: var(--text-color);
}

/* =========================================
   6. INFO CARDS
   ========================================= */
.info-bar { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 15px; }
.info-card {
    background: var(--surface-color); padding: 12px; border-radius: var(--radius-md); border: var(--card-border);
    box-shadow: var(--card-shadow); display: flex; flex-direction: column; align-items: flex-start;
    position: relative; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; backdrop-filter: var(--glass-blur);
}
.info-card:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(0,0,0,0.1); }
.info-card::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--border-color); border-radius: 4px 0 0 4px; transition: background 0.3s; }
.info-card.sum-block::before { background: var(--success-color); }
.info-card.reserve-block::before { background: var(--reserve-color); }
.info-card.highlighted::before { background: var(--primary-color); }
.info-icon { font-size: 1.2rem; margin-bottom: 6px; color: var(--text-secondary); opacity: 0.8; }
.info-card.sum-block .info-icon { color: var(--success-color); }
.info-card.reserve-block .info-icon { color: var(--reserve-color); }
.info-label { font-size: 0.65rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; line-height: 1.1; }
.info-value { font-size: 1.1rem; font-weight: 700; color: var(--text-color); margin-top: 3px; }
.info-card.highlighted { background: linear-gradient(135deg, var(--surface-color) 0%, rgba(59, 130, 246, 0.08) 100%); }
body.dark-mode .info-card.highlighted { background: linear-gradient(135deg, var(--surface-color) 0%, rgba(99, 102, 241, 0.2) 100%); border-color: rgba(99, 102, 241, 0.4); box-shadow: 0 0 12px rgba(99, 102, 241, 0.15); }

/* =========================================
   7. DATA TABLE (OPTIMIZED & PAGINATION)
   ========================================= */
.table-wrapper {
    flex: 1; overflow: auto; background: var(--surface-color); border-radius: var(--radius-md);
    border: var(--card-border); box-shadow: var(--card-shadow); backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur); position: relative;
    contain: content; 
}

.data-table { 
    width: 100%; 
    border-collapse: separate; 
    border-spacing: 0;
    min-width: 1000px; 
    font-size: var(--table-font-size);
    table-layout: fixed; 
}

/* === HEADER STYLING (С ЯРКИМИ РАЗДЕЛИТЕЛЯМИ) === */
.data-table thead th {
    background: var(--table-header-bg); 
    color: var(--text-color); 
    font-weight: 700; 
    padding: 10px 10px;
    text-align: center; 
    vertical-align: middle; 
    position: sticky; top: 0; z-index: 10;
    backdrop-filter: blur(8px); 
    border-bottom: 2px solid var(--border-color); 
    
    /* ЯВНЫЙ ВЕРТИКАЛЬНЫЙ РАЗДЕЛИТЕЛЬ */
    border-right: 1px solid var(--table-separator-color) !important;
    
    white-space: normal;
    word-wrap: break-word;
    text-transform: uppercase; 
    font-size: 0.7rem; 
    letter-spacing: 0.5px;
}
.data-table th:last-child { border-right: none !important; }

/* === BODY CELL STYLING === */
.data-table tbody td {
    padding: var(--table-padding); 
    border-bottom: 1px solid var(--border-color); 
    
    /* ЯВНЫЙ ВЕРТИКАЛЬНЫЙ РАЗДЕЛИТЕЛЬ */
    border-right: 1px solid var(--border-color);
    
    color: var(--text-color); 
    vertical-align: middle; 
    transition: background 0.2s;
    white-space: normal; 
    word-wrap: break-word; 
    word-break: break-word;
    font-size: var(--table-font-size);
}
.data-table tbody td:last-child { border-right: none; }

.data-table tbody tr:nth-child(odd) { background-color: var(--table-row-odd); }
.data-table tbody tr:nth-child(even) { background-color: var(--table-row-even); }
.data-table tbody tr:hover { background-color: var(--table-row-hover); }

/* === ИСПРАВЛЕНИЕ: Компактные поля ввода в таблице (User Management) === */
.data-table .input-field {
    padding: 2px 6px; /* Маленькие отступы */
    font-size: 13px; /* Размер шрифта как в таблице */
    height: 28px; /* Фиксированная высота, чтобы строка не прыгала */
    margin: 0;
    border-radius: 4px;
    box-shadow: none;
}
.data-table .input-field:focus {
    box-shadow: 0 0 0 2px var(--primary-glow);
}

.narrow-col { width: 45px; text-align: center; }
.action-column { text-align: center; }
td[style*="text-align:center"] { text-align: center !important; }

/* === TABLE CHECKBOXES (Улучшенная видимость) === */
.data-table input[type="checkbox"] {
    width: 18px; 
    height: 18px;
    vertical-align: middle;
    cursor: pointer;
    accent-color: var(--primary-color);
}

/* ЗАБЛОКИРОВАННЫЙ ЧЕКБОКС (ЯРКИЙ) */
.data-table input[type="checkbox"]:disabled {
    cursor: not-allowed;
    opacity: 0.8 !important; /* Убираем прозрачность */
    filter: grayscale(100%); 
    accent-color: #4b5563; /* Темно-серый цвет галочки */
}

.fav-icon { cursor: pointer; color: var(--text-secondary); transition: 0.3s; font-size: 1rem; }
.fav-icon:hover { transform: scale(1.2); }
.fav-icon.active { color: var(--warning-color); text-shadow: 0 0 10px var(--warning-color); }
.delete-icon { cursor: pointer; color: var(--danger-color); opacity: 0.7; transition: 0.3s; }
.delete-icon:hover { opacity: 1; transform: scale(1.2); text-shadow: 0 0 8px var(--danger-color); }
.reserve-amount { font-weight: 700; color: var(--reserve-color); cursor: pointer; margin-left: 5px; font-size: 0.9em; transition: 0.3s; }
.reserve-amount:hover { color: var(--primary-color); transform: scale(1.1); display: inline-block; }
.editable-col { cursor: pointer; transition: background 0.2s; }
.editable-col:hover { background: rgba(0,0,0,0.05); }
body.dark-mode .editable-col:hover { background: rgba(255,255,255,0.05); }
.editable-input { width: 100%; padding: 4px; border: 1px solid var(--primary-color); background: var(--bg-color); color: var(--text-color); border-radius: 4px; box-shadow: 0 0 5px var(--primary-glow); outline: none; font-size: inherit; }

/* FIX FOR USER ACTIONS CENTERING */
.user-actions-col { text-align: center !important; }
.action-cell-buttons { display: flex; justify-content: center; align-items: center; gap: 5px; }

/* PAGINATION CONTROLS */
.pagination-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    padding: 10px;
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
}
.page-info { font-weight: 600; font-size: 0.9rem; color: var(--text-secondary); }

/* =========================================
   8. BUTTONS
   ========================================= */
.btn {
    padding: 8px 16px; border: none; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer;
    display: inline-flex; align-items: center; gap: 6px; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.5px; position: relative; overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.btn::after {
    content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0;
    background: rgba(255,255,255,0.2); border-radius: 50%; transform: translate(-50%, -50%); transition: width 0.6s, height 0.6s;
}
.btn:hover::after { width: 300px; height: 300px; }
.btn:active { transform: scale(0.96); }
.btn-primary { background: var(--primary-color); color: white; box-shadow: 0 4px 15px var(--primary-glow); }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: transparent; border: 1px solid var(--text-secondary); color: var(--text-color); }
.btn-secondary:hover { background: var(--text-secondary); color: white; }
.btn-success { background: var(--success-color); color: white; box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3); }
.btn-success:hover { filter: brightness(1.1); }
.btn-danger { background: linear-gradient(45deg, var(--danger-gradient-start), var(--danger-gradient-end)); color: white; box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3); }
.btn-rollback { background-color: var(--rollback-color) !important; color: white; box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3); }
.btn-rollback:hover { filter: brightness(1.1); }
.btn-sm { padding: 5px 10px; font-size: 0.75rem; }
.ai-helper-btn {
    background: linear-gradient(135deg, #8b5cf6, #d946ef); color: white; border: none; font-size: 0.7rem; padding: 4px 10px;
    border-radius: 20px; box-shadow: 0 2px 10px rgba(217, 70, 239, 0.3); transition: 0.3s;
}
.ai-helper-btn:hover { box-shadow: 0 0 15px rgba(217, 70, 239, 0.7); transform: translateY(-1px); }

/* =========================================
   9. MODALS
   ========================================= */
.modal {
    display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%;
    background-color: var(--modal-overlay); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); animation: fadeIn 0.3s;
}
.modal-content {
    background: var(--surface-color); margin: 5% auto; padding: 30px; border: var(--card-border);
    width: 90%; max-width: 500px; border-radius: var(--radius-lg); box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative; animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1); backdrop-filter: var(--glass-blur);
}
.close-btn { position: absolute; top: 15px; right: 20px; font-size: 1.8rem; cursor: pointer; color: var(--text-secondary); transition: 0.3s; line-height: 1; }
.close-btn:hover { color: var(--danger-color); transform: rotate(90deg); }
.modal h2 { margin-bottom: 20px; text-align: center; color: var(--primary-color); }
.modal-content .form-group { margin-bottom: 15px; text-align: left; }
.modal-content label { display: block; margin-bottom: 5px; font-weight: 600; color: var(--text-secondary); }
.modal-content .input-field { width: 100%; }
.modal-buttons { display: flex; justify-content: flex-end; gap: 10px; margin-top: 25px; }

/* COMPACT PROFILE */
#profileModal .modal-content { margin-top: 30px; padding: 20px 30px; max-width: 450px; }
#profileModal h2 { font-size: 1.3rem; margin-bottom: 15px; }
#profileModal .modal-buttons { margin-top: 15px; }
.password-form { margin-top: 20px; padding-top: 15px; border-top: 1px solid var(--border-color); position: relative; }
.password-form h4 { text-align: center; margin-bottom: 15px; font-size: 1.1rem; background: linear-gradient(90deg, var(--primary-color), var(--rollback-color)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }

/* --- FIXED RESERVE DETAILS MODAL (COMPACT FONT & PADDING) --- */
#reserveDetailsModal .modal-content {
    max-width: 600px;
    width: 90%;
    padding: 20px 25px;
}

#reserveDetailsModal .data-table {
    min-width: auto !important; 
    width: 100%;
    table-layout: auto;
}

#reserveDetailsModal .table-wrapper {
    max-height: none; 
    overflow: visible;
    box-shadow: none;
    border: 1px solid var(--border-color);
    background: transparent;
    margin-top: 10px;
}

#reserveDetailsModal table th, 
#reserveDetailsModal table td {
    text-align: center; 
    padding: 4px 8px; /* COMPACT PADDING */
    font-size: 11px; /* COMPACT FONT */
    border-bottom: 1px solid var(--border-color);
}
#reserveDetailsModal table th:first-child, 
#reserveDetailsModal table td:first-child {
    text-align: left;
}

/* =========================================
   10. UTILS & AUTH
   ========================================= */
.drop-zone {
    border: 2px dashed var(--border-color); border-radius: var(--radius-md); padding: 40px; text-align: center;
    transition: 0.3s; cursor: pointer; background: rgba(0,0,0,0.02); margin-bottom: 15px;
}
.drop-zone:hover, .drop-zone--over { border-color: var(--primary-color); background: rgba(59, 130, 246, 0.05); }
.drop-zone__prompt i { font-size: 2.5rem; color: var(--primary-color); margin-bottom: 10px; }
.drop-zone__input { display: none; } 

.progress-bar-container { width: 100%; background-color: var(--border-color); border-radius: 10px; margin-top: 15px; height: 12px; overflow: hidden; }
.progress-bar { height: 100%; background: linear-gradient(90deg, var(--primary-color), var(--success-color)); transition: width 0.3s; text-align: center; line-height: 12px; font-size: 10px; color: white; }
.upload-stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; margin-top: 15px; }
.stat-box { padding: 10px; border-radius: var(--radius-sm); text-align: center; background: rgba(0,0,0,0.03); border: 1px solid var(--border-color); }
.stat-box.success { border-color: var(--success-color); color: var(--success-color); }
.stat-box.info { border-color: var(--primary-color); color: var(--primary-color); }
.stat-box.danger { border-color: var(--danger-color); color: var(--danger-color); }
.stat-box.warning { border-color: var(--warning-color); color: var(--warning-color); }
.stat-number { display: block; font-weight: bold; font-size: 1.2rem; }
.upload-summary-text { font-size: 1.1rem; color: var(--success-color); text-align: center; margin-bottom: 10px; font-weight: 600; grid-column: 1 / -1; }
.loading-indicator {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); background: var(--surface-color);
    padding: 20px 40px; border-radius: var(--radius-md); box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    display: flex; align-items: center; gap: 15px; z-index: 50; backdrop-filter: blur(10px); border: var(--card-border);
}
.spinner { width: 24px; height: 24px; border: 3px solid rgba(0,0,0,0.1); border-top-color: var(--primary-color); border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translateY(50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
#messageIcon { margin-bottom: 15px; }
#messageIcon i { font-size: 3rem; animation: slideUp 0.3s ease; }
#profileMessage { padding: 10px; border-radius: var(--radius-sm); text-align: center; margin-bottom: 15px; display: none; }
#profileMessage.success { background: rgba(16, 185, 129, 0.2); color: var(--success-color); }
#profileMessage.error { background: rgba(239, 68, 68, 0.2); color: var(--danger-color); }

/* AUTH PAGES */
body.auth-page { display: flex; align-items: center; justify-content: center; height: 100vh; margin: 0; background-size: cover; background-position: center; background-repeat: no-repeat; background-attachment: fixed; }
body.auth-page::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.5); z-index: 0; }
.auth-card {
    position: relative; z-index: 1; background: rgba(255, 255, 255, 0.15); backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    padding: 40px; border-radius: 20px; border: 1px solid rgba(255, 255, 255, 0.2); box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    width: 100%; max-width: 400px; text-align: center; color: #fff;
}
.auth-card h2 { margin-bottom: 20px; font-size: 2rem; font-weight: 700; text-shadow: 0 2px 4px rgba(0,0,0,0.2); }
.auth-card .form-group { margin-bottom: 20px; text-align: left; }
.auth-card label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; color: rgba(255, 255, 255, 0.9); }
.auth-card .input-field {
    width: 100%; padding: 12px; background: rgba(255, 255, 255, 0.1); border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px; color: #fff; font-size: 1rem; transition: 0.3s;
}
.auth-card .input-field::placeholder { color: rgba(255, 255, 255, 0.6); }
.auth-card .input-field:focus { background: rgba(255, 255, 255, 0.2); border-color: #fff; box-shadow: 0 0 10px rgba(255, 255, 255, 0.2); }
.auth-card .btn-primary { width: 100%; justify-content: center; padding: 12px; font-size: 1rem; margin-top: 10px; background: linear-gradient(135deg, #3b82f6, #2563eb); border: none; }
.auth-links { margin-top: 20px; font-size: 0.9rem; }
.auth-links a { color: #93c5fd; text-decoration: none; font-weight: 500; }
.auth-links a:hover { text-decoration: underline; color: #fff; }
.auth-error { background: rgba(239, 68, 68, 0.2); border: 1px solid rgba(239, 68, 68, 0.5); color: #ffcccc; padding: 10px; border-radius: 8px; margin-bottom: 20px; font-size: 0.9rem; }

@media (max-width: 768px) {
    .container { padding: 10px; }
    .header { flex-direction: column; align-items: flex-start; gap: 15px; }
    .header-controls { width: 100%; justify-content: space-between; }
    .controls-bar { flex-direction: column; align-items: stretch; }
    .info-bar { grid-template-columns: 1fr 1fr; }
    .modal-content { width: 95%; margin: 10% auto; padding: 20px; }
    #profileModal .modal-content { margin-top: 10%; }
    .data-table th, .data-table td { padding: 8px; font-size: 12px; }
}