/* =============================================
   FLX Development – Hosting Platform
   Design System v1.0.0
   ============================================= */

/* --- 1. CSS VARIABLES --- */
:root {
    --bg-main: #0f1115;
    --bg-secondary: #14161d;
    --bg-tertiary: #1c1f28;
    --bg-card: #181b23;
    --bg-card-rgb: 24, 27, 35;
    --bg-input: rgba(15, 17, 21, 0.8);
    --bg-hover: rgba(255, 255, 255, 0.03);

    --border-color: rgba(255, 255, 255, 0.08);
    --border-active: rgba(0, 125, 234, 0.4);

    --text-primary: #ffffff;
    --text-secondary: #b8bec8;
    --text-muted: #6c7380;

    --accent-primary: #007dea;
    --accent-hover: #339cf0;
    --accent-glow: rgba(0, 125, 234, 0.3);
    --accent-gradient: linear-gradient(135deg, #007dea, #0063bb);
    --accent-gradient-hover: linear-gradient(135deg, #339cf0, #007dea);

    --status-green: #10B981;
    --status-yellow: #F59E0B;
    --status-red: #EF4444;
    --status-blue: #3B82F6;

    --alert-green: rgba(16, 185, 129, 0.15);
    --alert-yellow: rgba(245, 158, 11, 0.15);
    --alert-red: rgba(239, 68, 68, 0.15);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-pill: 9999px;

    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 4px 20px var(--accent-glow);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease-out;

    --sidebar-width: 260px;
    --navbar-height: 64px;
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    background-color: var(--bg-main);
    scroll-behavior: smooth;
}

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

/* --- 3. LAYOUT --- */
.app-container {
    display: flex;
    min-height: 100vh;
}

.main-area {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: margin-left var(--transition-normal);
}

.page-content {
    flex: 1;
    padding: 2rem;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* --- 4. SIDEBAR --- */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-logo {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
    color: #fff;
    flex-shrink: 0;
}

.sidebar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.sidebar-brand span {
    color: var(--accent-primary);
}

.sidebar-nav {
    padding: 1rem 0;
    flex: 1;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    border-left: 3px solid transparent;
    margin: 2px 0;
}

.nav-item:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-left-color: rgba(0, 125, 234, 0.3);
}

.nav-item.active {
    color: var(--accent-primary);
    background: rgba(0, 125, 234, 0.08);
    border-left-color: var(--accent-primary);
    font-weight: 600;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

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

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

.sidebar-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-weight: 600;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.sidebar-user-info {
    flex: 1;
    min-width: 0;
}

.sidebar-user-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-user-role {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* --- 5. NAVBAR --- */
.navbar {
    height: var(--navbar-height);
    background: rgba(15, 17, 21, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    position: sticky;
    top: 0;
    z-index: 900;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.navbar-title {
    font-size: 1.25rem;
    font-weight: 600;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast);
}

.mobile-toggle:hover {
    color: var(--text-primary);
}

.lang-switch {
    display: flex;
    background: var(--bg-tertiary);
    border-radius: var(--radius-pill);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.lang-btn {
    padding: 0.35rem 0.75rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: 'Inter', sans-serif;
}

.lang-btn.active {
    background: var(--accent-primary);
    color: #fff;
}

.lang-btn:hover:not(.active) {
    color: var(--text-primary);
}

/* --- 6. TYPOGRAPHY --- */
h1, h2, h3, h4, h5 {
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; margin-bottom: 1rem; }
h3 { font-size: 1.1rem; margin-bottom: 0.75rem; }

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

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

/* --- 7. GLASSMORPHISM CARDS --- */
.glass-card {
    background: rgba(var(--bg-card-rgb), 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-card);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal), transform var(--transition-normal);
}

.glass-card:hover {
    border-color: var(--border-active);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.card-header h2, .card-header h3 {
    margin-bottom: 0;
}

/* --- 8. STAT CARDS --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    cursor: default;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--border-active);
}

.stat-card-inner {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-icon.blue    { background: rgba(0, 125, 234, 0.15); color: var(--accent-primary); }
.stat-icon.green   { background: var(--alert-green); color: var(--status-green); }
.stat-icon.yellow  { background: var(--alert-yellow); color: var(--status-yellow); }
.stat-icon.red     { background: var(--alert-red); color: var(--status-red); }

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

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* --- 9. DATA TABLES --- */
.table-container {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

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

.data-table th,
.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table thead {
    background: rgba(0, 0, 0, 0.25);
}

.data-table th {
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
    white-space: nowrap;
}

.data-table tbody tr {
    transition: background-color var(--transition-fast);
}

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

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

/* --- 10. STATUS BADGES --- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-active,
.badge-success { background: var(--alert-green); color: var(--status-green); }
.badge-inactive  { background: rgba(108, 115, 128, 0.2); color: var(--text-muted); }
.badge-error     { background: var(--alert-red); color: var(--status-red); }
.badge-warning,
.badge-maintenance { background: var(--alert-yellow); color: var(--status-yellow); }
.badge-info      { background: rgba(0, 125, 234, 0.15); color: var(--accent-primary); }
.badge-suspended { background: var(--alert-red); color: var(--status-red); }

.badge i {
    font-size: 0.55rem;
}

/* --- 11. BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Inter', sans-serif;
    white-space: nowrap;
    text-decoration: none;
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px var(--accent-glow);
}

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

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #EF4444, #DC2626);
    color: #fff;
    box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(239, 68, 68, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, #10B981, #059669);
    color: #fff;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-success:hover:not(:disabled) {
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    padding: 0.5rem;
}

.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
}

.btn-block {
    width: 100%;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* --- 12. FORMS --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

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

.form-control {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

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

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

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%236c7380' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.form-error {
    font-size: 0.8rem;
    color: var(--status-red);
}

/* --- 13. ALERTS --- */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-sm);
    border: 1px solid;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.alert-success {
    background: var(--alert-green);
    border-color: var(--status-green);
    color: var(--status-green);
}

.alert-error {
    background: var(--alert-red);
    border-color: var(--status-red);
    color: var(--status-red);
}

.alert-warning {
    background: var(--alert-yellow);
    border-color: var(--status-yellow);
    color: var(--status-yellow);
}

.alert-info {
    background: rgba(0, 125, 234, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* --- 14. MODALS --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 560px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
}

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

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin-bottom: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.25rem;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 1.5rem;
}

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

/* --- 15. TOASTS --- */
.toast-container {
    position: fixed;
    top: calc(var(--navbar-height) + 1rem);
    right: 1.5rem;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    min-width: 300px;
    max-width: 420px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: toastSlideIn 0.4s ease-out;
    border-left: 3px solid var(--accent-primary);
}

.toast.success { border-left-color: var(--status-green); }
.toast.error   { border-left-color: var(--status-red); }
.toast.warning { border-left-color: var(--status-yellow); }

.toast-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.toast.success .toast-icon { color: var(--status-green); }
.toast.error .toast-icon   { color: var(--status-red); }
.toast.warning .toast-icon { color: var(--status-yellow); }

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.toast-close:hover {
    color: var(--text-primary);
}

@keyframes toastSlideIn {
    from { opacity: 0; transform: translateX(100%); }
    to   { opacity: 1; transform: translateX(0); }
}

@keyframes toastSlideOut {
    from { opacity: 1; transform: translateX(0); }
    to   { opacity: 0; transform: translateX(100%); }
}

/* --- 16. EMPTY STATES --- */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

.empty-state i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    opacity: 0.5;
}

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

.empty-state p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* --- 17. MODULE CARDS (Customer Dashboard) --- */
.modules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.module-card {
    position: relative;
    overflow: hidden;
}

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

.module-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.module-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    background: rgba(0, 125, 234, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.module-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.module-version {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.module-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

.module-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

/* --- 18. LOG ENTRIES --- */
.log-entry {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.log-entry:last-child {
    border-bottom: none;
}

.log-level {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-top: 0.4rem;
    flex-shrink: 0;
}

.log-level.info    { background: var(--accent-primary); }
.log-level.warning { background: var(--status-yellow); }
.log-level.error   { background: var(--status-red); }
.log-level.success { background: var(--status-green); }

.log-content {
    flex: 1;
}

.log-message {
    font-size: 0.875rem;
    color: var(--text-primary);
    margin-bottom: 0.15rem;
}

.log-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* --- 19. ANIMATIONS --- */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeInUp 0.5s ease-out forwards;
    opacity: 0;
}

.fade-in:nth-child(1) { animation-delay: 0.05s; }
.fade-in:nth-child(2) { animation-delay: 0.1s; }
.fade-in:nth-child(3) { animation-delay: 0.15s; }
.fade-in:nth-child(4) { animation-delay: 0.2s; }
.fade-in:nth-child(5) { animation-delay: 0.25s; }

/* --- 20. FOOTER --- */
.main-footer {
    padding: 1.25rem 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    background: var(--bg-secondary);
}

.main-footer span {
    color: var(--accent-primary);
    font-weight: 600;
}

/* --- 21. LOGIN PAGE --- */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-main);
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 125, 234, 0.08) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    pointer-events: none;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 125, 234, 0.05) 0%, transparent 70%);
    bottom: -150px;
    left: -150px;
    pointer-events: none;
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease-out;
}

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

.login-logo {
    width: 56px;
    height: 56px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin: 0 auto 1rem;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form .btn-primary {
    margin-top: 0.5rem;
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* --- 22. RESPONSIVE --- */
@media (max-width: 1024px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

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

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

    .main-area {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .page-content {
        padding: 1.25rem;
    }

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

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

    .navbar {
        padding: 0 1.25rem;
    }
}

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

    .data-table th,
    .data-table td {
        padding: 0.6rem 0.75rem;
        font-size: 0.8rem;
    }
}

/* --- 23. SCROLLBAR --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

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

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* --- 24. UTILITIES --- */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted) !important; }
.text-accent { color: var(--accent-primary) !important; }
.text-green  { color: var(--status-green) !important; }
.text-red    { color: var(--status-red) !important; }
.text-yellow { color: var(--status-yellow) !important; }

.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; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* --- 25. CONFIRM DIALOG --- */
.confirm-body {
    text-align: center;
    padding: 1rem 0;
}

.confirm-body i {
    font-size: 3rem;
    color: var(--status-yellow);
    margin-bottom: 1rem;
}

.confirm-body p {
    color: var(--text-primary);
    font-size: 1rem;
}

.confirm-body .text-muted {
    font-size: 0.85rem;
    margin-top: 0.5rem;
}