/* =====================================================
   CultivoEmpleo - Sistema de Gestión Documental
   Modo Oscuro Premium
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---- Variables Globales ---- */
:root {
    --bg-primary: #0a0a1a;
    --bg-secondary: #0f0f23;
    --bg-card: #1a1a2e;
    --bg-card-hover: #1f1f35;
    --bg-input: #16162b;
    --bg-sidebar: #0d0d1f;
    --bg-modal: rgba(0, 0, 0, 0.7);

    --accent: #6c63ff;
    --accent-hover: #7c74ff;
    --accent-glow: rgba(108, 99, 255, 0.3);
    --accent-secondary: #00d4aa;
    --accent-warning: #ff6b6b;
    --accent-warning-hover: #ff5252;
    --accent-info: #4ecdc4;
    --accent-success: #51cf66;

    --text-primary: #e8e8f0;
    --text-secondary: #8888aa;
    --text-muted: #555577;
    --text-heading: #ffffff;

    --border: #2a2a45;
    --border-focus: #6c63ff;
    --border-subtle: #1f1f38;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(108, 99, 255, 0.15);

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

    --sidebar-width: 260px;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--accent-hover);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0a1a 0%, #16162b 50%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
}

.login-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 40%, rgba(108, 99, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 70% 60%, rgba(0, 212, 170, 0.03) 0%, transparent 50%);
    animation: bgPulse 15s ease-in-out infinite;
}

@keyframes bgPulse {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    50% {
        transform: translate(-2%, -2%) scale(1.05);
    }
}

.login-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    backdrop-filter: blur(20px);
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.25rem;
}

.login-logo .logo-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
    display: block;
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* ---- Forms ---- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-control-file {
    padding: 0.6rem;
}

select.form-control {
    appearance: none;
    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='%238888aa' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

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

/* ---- Buttons ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #5a52d5);
    color: #fff;
    box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--accent-hover), #6c63ff);
    box-shadow: 0 6px 20px rgba(108, 99, 255, 0.4);
    transform: translateY(-1px);
    color: #fff;
}

.btn-success {
    background: linear-gradient(135deg, var(--accent-success), #40b254);
    color: #fff;
}

.btn-success:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
}

.btn-danger {
    background: linear-gradient(135deg, var(--accent-warning), #e05555);
    color: #fff;
}

.btn-danger:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent);
    color: var(--text-primary);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}

.btn-outline:hover {
    background: var(--accent);
    color: #fff;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-icon {
    padding: 0.5rem;
    min-width: 36px;
    height: 36px;
}

.btn:disabled,
.btn.loading {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

/* ---- Layout - App Shell ---- */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ---- Sidebar ---- */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: var(--transition);
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-heading);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-header .subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

.sidebar-nav {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: 0 0.75rem;
    margin-bottom: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
}

.nav-item:hover {
    background: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.15), rgba(108, 99, 255, 0.05));
    color: var(--accent);
    border-left: 3px solid var(--accent);
}

.nav-item i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-avatar {
    width: 34px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: #fff;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details .user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
}

.user-details .user-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---- Main Content ---- */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 2rem;
    min-height: 100vh;
}

/* ---- Page Header ---- */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-heading);
}

.page-header .subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

.header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: var(--transition);
}

.card:hover {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-glow);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-heading);
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
}

.stat-icon.purple {
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent);
}

.stat-icon.green {
    background: rgba(81, 207, 102, 0.15);
    color: var(--accent-success);
}

.stat-icon.red {
    background: rgba(255, 107, 107, 0.15);
    color: var(--accent-warning);
}

.stat-icon.blue {
    background: rgba(78, 205, 196, 0.15);
    color: var(--accent-info);
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ---- Table ---- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
}

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

.data-table th {
    background: var(--bg-secondary);
    padding: 0.85rem 1rem;
    text-align: left;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.9rem;
    vertical-align: middle;
}

.data-table tr:hover td {
    background: var(--bg-card-hover);
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* ---- Badges ---- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: rgba(81, 207, 102, 0.15);
    color: var(--accent-success);
}

.badge-warning {
    background: rgba(255, 170, 51, 0.15);
    color: #ffaa33;
}

.badge-danger {
    background: rgba(255, 107, 107, 0.15);
    color: var(--accent-warning);
}

.badge-info {
    background: rgba(78, 205, 196, 0.15);
    color: var(--accent-info);
}

.badge-purple {
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent);
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-modal);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

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

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 95%;
    max-width: 550px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: var(--transition);
    box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-heading);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: var(--transition);
    line-height: 1;
}

.modal-close:hover {
    color: var(--accent-warning);
}

.modal-footer {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

/* ---- Large Modal for PDF Viewer ---- */
.modal-lg {
    max-width: 900px;
}

/* ---- Search & Filters ---- */
.filters-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 200px;
}

.search-box input {
    width: 100%;
    padding: 0.7rem 1rem 0.7rem 2.5rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.search-box input:focus {
    border-color: var(--accent);
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-box i {
    position: absolute;
    left: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

/* ---- Alerts / Toast ---- */
.toast-container {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideInRight 0.3s ease-out;
    min-width: 300px;
    box-shadow: var(--shadow-md);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

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

.toast-success {
    background: #1a3a2a;
    border: 1px solid var(--accent-success);
    color: var(--accent-success);
}

.toast-error {
    background: #3a1a1a;
    border: 1px solid var(--accent-warning);
    color: var(--accent-warning);
}

.toast-info {
    background: #1a2a3a;
    border: 1px solid var(--accent-info);
    color: var(--accent-info);
}

/* ---- Signature Canvas ---- */
.signature-area {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.signature-canvas-wrapper {
    position: relative;
    background: #ffffff;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 1rem;
    touch-action: none;
}

.signature-canvas {
    display: block;
    width: 100%;
    cursor: crosshair;
    touch-action: none;
}

.signature-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

/* ---- PDF Viewer ---- */
.pdf-viewer-container {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.pdf-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}

.pdf-canvas-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    padding: 1rem;
    overflow: auto;
    max-height: 70vh;
}

.pdf-canvas-inner {
    position: relative;
    display: inline-block;
    line-height: 0;
}

.pdf-canvas-wrapper canvas {
    cursor: crosshair;
    box-shadow: var(--shadow-md);
    display: block;
}

.firma-overlay {
    position: absolute;
    border: 2px dashed var(--accent-warning);
    background: rgba(255, 107, 107, 0.15);
    cursor: move;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--accent-warning);
    font-weight: 600;
    pointer-events: all;
    z-index: 10;
}

/* ---- Employee Search Dropdown ---- */
.empleado-search-container {
    position: relative;
}

.empleado-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 250px;
    overflow-y: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    z-index: 200;
    box-shadow: var(--shadow-md);
}

.empleado-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.65rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-subtle);
}

.empleado-option:last-child {
    border-bottom: none;
}

.empleado-option:hover {
    background: var(--bg-card-hover);
}

.empleado-nombre {
    font-size: 0.9rem;
    color: var(--text-primary);
    font-weight: 500;
}

.empleado-doc {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* ---- Profile Page ---- */
.profile-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 1.5rem;
}

.profile-sidebar {
    text-align: center;
}

.profile-photo {
    width: 150px;
    height: 200px;
    border-radius: var(--radius-md);
    margin: 0 auto 1.25rem;
    background: var(--bg-input);
    border: 3px solid var(--accent);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.profile-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-photo .placeholder-icon {
    font-size: 3rem;
    color: var(--text-muted);
}

.profile-photo-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    padding: 0.5rem;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
}

.profile-photo:hover .profile-photo-overlay {
    opacity: 1;
}

.profile-photo-overlay span {
    color: #fff;
    font-size: 0.75rem;
}

.profile-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.25rem;
}

.profile-cargo {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.profile-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.85rem;
}

.profile-info-item i {
    color: var(--accent);
    width: 16px;
    text-align: center;
}

/* ---- Document Cards ---- */
.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.doc-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    transition: var(--transition);
    cursor: pointer;
}

.doc-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    border-color: var(--accent);
}

.doc-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.doc-card-icon.pdf {
    background: rgba(255, 107, 107, 0.15);
    color: var(--accent-warning);
}

.doc-card-icon.img {
    background: rgba(78, 205, 196, 0.15);
    color: var(--accent-info);
}

.doc-card-title {
    font-weight: 600;
    color: var(--text-heading);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.doc-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ---- Loading Spinner ---- */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 10, 26, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 3000;
    flex-direction: column;
    gap: 1rem;
}

.loading-overlay .spinner {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

/* ---- Empty States ---- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
}

.empty-state h3 {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 0.9rem;
}

/* ---- Responsive ---- */
.sidebar-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 150;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 1.2rem;
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .sidebar-toggle {
        display: block;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: 4rem;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .profile-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .modal {
        padding: 1.5rem;
        margin: 0.5rem;
    }

    .filters-bar {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .docs-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 2rem 1.5rem;
        margin: 1rem;
    }
}

/* ---- Utility Classes ---- */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.d-flex {
    display: flex;
}

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

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.hidden {
    display: none !important;
}