:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --primary-rgb: 37, 99, 235;
    --secondary: #64748b;
    --secondary-dark: #475569;
    --success: #22c55e;
    --success-light: #86efac;
    --success-rgb: 34, 197, 94;
    --danger: #ef4444;
    --danger-light: #fca5a5;
    --danger-rgb: 239, 68, 68;
    --warning: #f59e0b;
    --warning-light: #fcd34d;
    --warning-rgb: 245, 158, 11;
    --info: #3b82f6;
    --info-light: #93c5fd;
    --info-rgb: 59, 130, 246;
    --dark: #1e293b;
    --dark-light: #334155;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 72px;
    --header-height: 0px;
    --footer-height: 56px;
    --transition-speed: 0.3s;
    --border-radius: 10px;
    --border-radius-sm: 6px;
    --box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --box-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.05);
    --box-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.08), 0 10px 10px -5px rgba(0,0,0,0.04);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

a:hover {
    color: var(--primary-dark);
}

.custom-scrollbar::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

.custom-scrollbar::-webkit-scrollbar-thumb {
    background-color: var(--gray-300);
    border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background-color: var(--gray-400);
}

/* ========== ANIMATIONS ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: -400px 0; }
    100% { background-position: 400px 0; }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.fade-in { animation: fadeIn 0.5s ease forwards; }
.fade-in-up { animation: fadeInUp 0.5s ease forwards; }
.slide-up { animation: slideUp 0.5s ease forwards; }

/* ========== SIDEBAR ========== */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: linear-gradient(180deg, var(--dark) 0%, var(--gray-900) 100%);
    color: #fff;
    z-index: 1040;
    transition: width var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1),
                transform var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 4px 0 24px rgba(0,0,0,0.15);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    min-height: 70px;
    flex-shrink: 0;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    white-space: nowrap;
    flex: 1;
}

.sidebar-logo-img {
    height: 38px;
    width: auto;
    object-fit: contain;
}

.sidebar-logo-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 600;
    color: #fff;
}

.sidebar-logo-text i {
    font-size: 1.4rem;
    color: var(--primary-light);
}

.sidebar-toggle {
    background: rgba(255,255,255,0.08);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: all var(--transition-speed);
    flex-shrink: 0;
}

.sidebar-toggle:hover {
    background: rgba(255,255,255,0.15);
}

.sidebar-search {
    padding: 12px 16px;
    flex-shrink: 0;
}

.sidebar-search .input-group-text {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--gray-400);
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 0.8rem;
}

.sidebar-search .form-control {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    border-left: none;
    border-radius: 0 8px 8px 0;
    font-size: 0.8rem;
    padding: 0.45rem 0.75rem;
}

.sidebar-search .form-control::placeholder {
    color: var(--gray-500);
}

.sidebar-search .form-control:focus {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    box-shadow: none;
    color: #fff;
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 8px 0;
}

.sidebar-nav::-webkit-scrollbar {
    width: 4px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

.sidebar-nav .nav {
    padding: 0 10px;
}

.sidebar-nav .nav-item {
    margin-bottom: 2px;
}

.sidebar-nav .nav-link {
    color: var(--gray-300);
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
    white-space: nowrap;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.sidebar-nav .nav-link:hover {
    background: rgba(255,255,255,0.08);
    color: #fff;
}

.sidebar-nav .nav-link.active {
    background: rgba(var(--primary-rgb), 0.2);
    color: #fff;
    font-weight: 500;
}

.sidebar-nav .nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    background: var(--primary-light);
    border-radius: 0 3px 3px 0;
}

.nav-icon {
    font-size: 1.15rem;
    width: 22px;
    text-align: center;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-text {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
}

.submenu-arrow {
    font-size: 0.7rem;
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: auto;
}

.nav-dropdown-toggle.open .submenu-arrow {
    transform: rotate(180deg);
}

.submenu {
    list-style: none;
    padding: 0 0 0 14px;
    margin: 0;
    overflow: hidden;
}

.submenu.collapse:not(.show) {
    display: none;
}

.submenu-link {
    display: flex;
    align-items: center;
    padding: 7px 14px 7px 34px;
    color: var(--gray-400);
    font-size: 0.8rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    white-space: nowrap;
    position: relative;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.submenu-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.05);
}

.submenu-link.active {
    color: #fff;
    background: rgba(var(--primary-rgb), 0.15);
}

.submenu-link.active::before {
    content: '';
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-light);
    border-radius: 50%;
}

/* Collapsed Sidebar */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-logo-text span,
.sidebar.collapsed .sidebar-logo-img,
.sidebar.collapsed .nav-text,
.sidebar.collapsed .submenu-arrow,
.sidebar.collapsed .submenu,
.sidebar.collapsed .sidebar-search,
.sidebar.collapsed .user-info,
.sidebar.collapsed .sidebar-logout span {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
    padding: 16px 8px;
}

.sidebar.collapsed .sidebar-logo {
    justify-content: center;
}

.sidebar.collapsed .sidebar-toggle {
    display: flex;
    margin: 0 auto;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.12);
}

.sidebar.collapsed .sidebar-nav .nav-link {
    justify-content: center;
    padding: 12px;
}

.sidebar.collapsed .nav-icon {
    font-size: 1.3rem;
    width: auto;
    margin: 0;
}

.sidebar.collapsed .nav-link.active::before {
    display: none;
}

.sidebar.collapsed .sidebar-footer {
    padding: 12px 8px;
}

.sidebar.collapsed .sidebar-user {
    justify-content: center;
}

.sidebar.collapsed .sidebar-user .avatar-circle {
    margin: 0;
}

.sidebar.collapsed .has-submenu > .nav-link {
    cursor: pointer;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 12px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    flex: 1;
}

.avatar-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    flex-shrink: 0;
}

.user-info {
    overflow: hidden;
}

.user-name {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    display: block;
    font-size: 0.7rem;
    color: var(--gray-400);
}

.sidebar-logout {
    border-color: rgba(255,255,255,0.2);
    color: var(--gray-300);
    flex-shrink: 0;
    padding: 4px 8px;
}

.sidebar-logout:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: rgba(255,255,255,0.3);
}

/* ========== MAIN CONTENT ========== */
.main-wrapper {
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed ~ .main-wrapper {
    margin-left: var(--sidebar-collapsed-width);
}

/* Direct sibling selectors for pages without .main-wrapper */
.sidebar ~ .main-content {
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed ~ .main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.main-content {
    flex: 1;
    padding: 24px;
    padding-bottom: calc(var(--footer-height) + 24px);
}

.main-footer {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    background: #fff;
    border-top: 1px solid var(--gray-200);
    padding: 14px 24px;
    z-index: 1020;
    transition: left var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    height: var(--footer-height);
    display: flex;
    align-items: center;
}

.sidebar.collapsed ~ .main-footer,
.sidebar.collapsed ~ .main-wrapper .main-footer {
    left: var(--sidebar-collapsed-width);
}

.footer-text {
    color: var(--gray-500);
    font-size: 0.78rem;
}

.footer-version {
    color: var(--gray-400);
    font-size: 0.75rem;
    background: var(--gray-100);
    padding: 2px 10px;
    border-radius: 20px;
}

/* ========== CARDS ========== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: box-shadow var(--transition-speed), transform var(--transition-speed);
    background: #fff;
    margin-bottom: 20px;
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 20px;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-body {
    padding: 20px;
}

/* ========== STAT CARDS ========== */
.stat-card {
    border-radius: var(--border-radius);
    padding: 20px 24px;
    background: #fff;
    box-shadow: var(--box-shadow);
    display: flex;
    align-items: center;
    gap: 18px;
    transition: all var(--transition-speed);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    opacity: 0.08;
    transition: all var(--transition-speed);
}

.stat-card.primary::after { background: var(--primary); }
.stat-card.success::after { background: var(--success); }
.stat-card.danger::after { background: var(--danger); }
.stat-card.warning::after { background: var(--warning); }
.stat-card.info::after { background: var(--info); }

.stat-card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
    border-color: var(--gray-200);
}

.stat-card:hover::after {
    transform: scale(1.5);
    opacity: 0.12;
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.stat-icon.primary { background: rgba(var(--primary-rgb), 0.1); color: var(--primary); }
.stat-icon.success { background: rgba(var(--success-rgb), 0.1); color: var(--success); }
.stat-icon.danger { background: rgba(var(--danger-rgb), 0.1); color: var(--danger); }
.stat-icon.warning { background: rgba(var(--warning-rgb), 0.1); color: var(--warning); }
.stat-icon.info { background: rgba(var(--info-rgb), 0.1); color: var(--info); }

.stat-info {
    flex: 1;
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.78rem;
    color: var(--gray-500);
    margin-top: 2px;
}

.stat-trend {
    font-size: 0.75rem;
    font-weight: 500;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

/* ========== TABLES ========== */
.table-container {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
}

.table {
    margin-bottom: 0;
    font-size: 0.85rem;
}

.table > thead {
    background: var(--gray-50);
}

.table > thead > tr > th {
    border-bottom: 2px solid var(--gray-200);
    color: var(--gray-600);
    font-weight: 600;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 16px;
    white-space: nowrap;
}

.table > tbody > tr > td {
    padding: 12px 16px;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}

.table-hover > tbody > tr:hover {
    background: var(--gray-50);
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background: rgba(0,0,0,0.015);
}

.table-responsive {
    border-radius: var(--border-radius);
}

/* ========== FORMS ========== */
.form-floating > .form-control,
.form-floating > .form-select {
    border: 1px solid var(--gray-300);
    border-radius: var(--border-radius-sm);
    font-size: 0.875rem;
    padding-top: 1.625rem;
    padding-bottom: 0.625rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background: #fff;
}

.form-floating > .form-control:focus,
.form-floating > .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

.form-floating > label {
    color: var(--gray-500);
    font-size: 0.85rem;
    padding-top: 0.9rem;
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    color: var(--primary);
    transform: scale(0.82) translateY(-0.5rem) translateX(0.15rem);
    opacity: 1;
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: var(--danger);
}

.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--success);
}

.invalid-feedback {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--danger);
    margin-top: 4px;
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

/* ========== BUTTONS ========== */
.btn {
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.55rem 1.2rem;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
    letter-spacing: 0.2px;
}

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

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

.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.3);
}

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

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

.btn-warning {
    background: var(--warning);
    border-color: var(--warning);
    color: #fff;
}

.btn-info {
    background: var(--info);
    border-color: var(--info);
    color: #fff;
}

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

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
}

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

.btn-sm {
    padding: 0.35rem 0.8rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.65rem 1.6rem;
    font-size: 0.95rem;
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.btn-icon.btn-sm {
    width: 30px;
    height: 30px;
}

/* ========== BADGES ========== */
.badge {
    font-weight: 500;
    font-size: 0.72rem;
    padding: 0.35em 0.65em;
    border-radius: 6px;
    letter-spacing: 0.2px;
}

.badge.bg-primary { background: rgba(var(--primary-rgb), 0.1) !important; color: var(--primary); }
.badge.bg-success { background: rgba(var(--success-rgb), 0.1) !important; color: var(--success); }
.badge.bg-danger { background: rgba(var(--danger-rgb), 0.1) !important; color: var(--danger); }
.badge.bg-warning { background: rgba(var(--warning-rgb), 0.1) !important; color: var(--warning); }
.badge.bg-info { background: rgba(var(--info-rgb), 0.1) !important; color: var(--info); }

/* ========== MODALS ========== */
.modal-content {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-xl);
}

.modal-header {
    border-bottom: 1px solid var(--gray-200);
    padding: 16px 20px;
}

.modal-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    border-top: 1px solid var(--gray-200);
    padding: 14px 20px;
}

/* ========== DASHBOARD CHARTS ========== */
.chart-container {
    background: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 20px;
    position: relative;
    height: 320px;
}

.chart-container canvas {
    width: 100% !important;
    height: 100% !important;
}

.chart-wrap {
    position: relative;
    height: 280px;
    max-height: 280px;
    overflow: hidden;
}

.chart-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
    margin-bottom: 16px;
}

/* ========== PRELOADER ========== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.9);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ========== TOAST ========== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.custom-toast {
    background: #fff;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--box-shadow-lg);
    padding: 14px 20px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    animation: slideUp 0.3s ease;
    border-left: 4px solid transparent;
}

.toast-success { border-left-color: var(--success); }
.toast-danger { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
.toast-info { border-left-color: var(--info); }

/* ========== LOGIN PAGE ========== */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--dark) 50%, var(--gray-800) 100%);
    overflow-x: hidden;
}

.login-container {
    width: 100%;
    max-width: 1100px;
    margin: 20px;
    animation: fadeInUp 0.6s ease;
}

.login-split {
    display: flex;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    min-height: 600px;
}

.login-brand {
    flex: 1;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 50%, #db2777 100%);
    background-size: 200% 200%;
    animation: gradientShift 8s ease infinite;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 40px;
    overflow: hidden;
}

.login-brand-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.2);
}

.login-brand-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #fff;
}

.login-brand-logo {
    margin-bottom: 20px;
}

.brand-logo-img {
    height: 60px;
    filter: brightness(0) invert(1);
}

.brand-icon {
    font-size: 3rem;
    opacity: 0.9;
}

.brand-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.brand-subtitle {
    font-size: 0.95rem;
    opacity: 0.85;
    margin-bottom: 36px;
}

.brand-features {
    text-align: left;
    display: inline-block;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.feature-item i {
    color: #34d399;
    font-size: 1rem;
}

.brand-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255,255,255,0.05);
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 200px;
    height: 200px;
    bottom: -60px;
    left: -60px;
}

.circle-3 {
    width: 120px;
    height: 120px;
    top: 40%;
    right: 30%;
}

/* Login Form Side */
.login-form-side {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 50px 40px;
    background: #fff;
}

.login-form-wrapper {
    width: 100%;
    max-width: 420px;
}

.login-form-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-form-header h2 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.login-form-header p {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.forgot-link {
    font-size: 0.82rem;
    color: var(--primary);
    font-weight: 500;
}

.forgot-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.btn-login {
    padding: 0.7rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    transition: all 0.3s ease;
}

.btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.35);
}

.login-divider {
    text-align: center;
    margin: 24px 0;
    position: relative;
}

.login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-200);
}

.login-divider span {
    position: relative;
    background: #fff;
    padding: 0 14px;
    color: var(--gray-400);
    font-size: 0.82rem;
}

.customer-portal-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 24px;
    border: 2px solid var(--gray-200);
    border-radius: var(--border-radius-sm);
    color: var(--gray-600);
    font-weight: 500;
    font-size: 0.88rem;
    transition: all var(--transition-speed);
}

.customer-portal-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.04);
}

.login-footer-text {
    text-align: center;
    margin-top: 28px;
}

.login-footer-text p {
    font-size: 0.78rem;
    color: var(--gray-400);
}

.password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 4px;
    z-index: 5;
}

.password-toggle:hover {
    color: var(--gray-600);
}

/* ========== CUSTOMER LOGIN PAGE ========== */
.customer-login-page,
.customer-register-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    padding: 30px 20px;
}

.customer-login-container,
.customer-register-container {
    width: 100%;
    max-width: 460px;
    animation: fadeInUp 0.5s ease;
}

.customer-register-container {
    max-width: 700px;
}

.customer-login-card,
.customer-register-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--box-shadow-lg);
    padding: 40px 36px;
}

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

.customer-logo {
    margin-bottom: 16px;
    font-size: 2.5rem;
    color: var(--primary);
}

.customer-logo img {
    height: 50px;
}

.customer-login-header h2,
.customer-register-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 4px;
}

.customer-register-link {
    text-align: center;
    margin-top: 22px;
}

.customer-register-link p {
    font-size: 0.88rem;
    color: var(--gray-500);
}

.customer-register-link a {
    color: var(--primary);
    font-weight: 600;
}

.customer-register-link a:hover {
    text-decoration: underline;
}

.customer-login-footer,
.customer-register-footer {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-400);
    font-size: 0.8rem;
}

.back-to-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-500);
    font-size: 0.85rem;
    margin-bottom: 20px;
    font-weight: 500;
}

.back-to-home:hover {
    color: var(--primary);
}

/* ========== ALERTS ========== */
.alert {
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.85rem;
    padding: 14px 18px;
}

.alert-danger {
    background: rgba(var(--danger-rgb), 0.08);
    color: var(--danger);
}

.alert-success {
    background: rgba(var(--success-rgb), 0.08);
    color: #15803d;
}

.alert-warning {
    background: rgba(var(--warning-rgb), 0.08);
    color: #b45309;
}

.alert-info {
    background: rgba(var(--info-rgb), 0.08);
    color: var(--primary-dark);
}

/* ========== LOADING SPINNER ========== */
.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    z-index: 10;
}

.loading-dots {
    display: flex;
    gap: 8px;
}

.loading-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    animation: pulse 1.4s ease infinite;
}

.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }

/* ========== PAGE HEADER ========== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.page-breadcrumb {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-bottom: 4px;
}

.page-breadcrumb a {
    color: var(--gray-500);
}

.page-breadcrumb a:hover {
    color: var(--primary);
}

/* ========== INSTALL PAGE ========== */
.install-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-200) 100%);
    padding: 40px 20px;
}

.install-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--box-shadow-xl);
    width: 100%;
    max-width: 650px;
    padding: 40px;
}

.install-header {
    text-align: center;
    margin-bottom: 32px;
}

.install-header i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 12px;
    display: block;
}

.install-header h2 {
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 6px;
}

.install-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 30px;
}

.install-step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--gray-500);
}

.install-step-num {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-600);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.82rem;
}

.install-step.active .install-step-num {
    background: var(--primary);
    color: #fff;
}

.install-step.completed .install-step-num {
    background: var(--success);
    color: #fff;
}

.install-step-connector {
    width: 40px;
    height: 2px;
    background: var(--gray-200);
    margin: 0 8px;
}

.install-step.completed + .install-step-connector {
    background: var(--success);
}

/* ========== PRINT STYLES ========== */
@media print {
    .sidebar,
    .main-footer,
    .no-print,
    .navbar,
    .btn,
    .sidebar-toggle {
        display: none !important;
    }

    .main-wrapper {
        margin-left: 0 !important;
    }

    .main-content {
        padding: 0 !important;
    }

    body {
        background: #fff !important;
    }

    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }

    .table > thead > tr > th {
        background: #f5f5f5 !important;
        color: #000 !important;
        -webkit-print-color-adjust: exact;
    }

    .print-only {
        display: block !important;
    }
}

.print-only {
    display: none;
}

/* ========== SORTABLE TABLE HEADERS ========== */
th.sortable { user-select: none; position: relative; }
th.sortable:hover { background: #e2e8f0; }
th.sortable .sort-arrow { font-size: 10px; }

/* Collapsed sidebar flyout (desktop icon mode) */
.sidebar-flyout {
    position: fixed;
    left: var(--sidebar-collapsed-width);
    min-width: 220px;
    max-width: 280px;
    max-height: 70vh;
    overflow-y: auto;
    background: var(--gray-900);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    box-shadow: 8px 8px 32px rgba(0,0,0,0.35);
    z-index: 1060;
    display: none;
    padding: 8px 0;
}

.sidebar-flyout.show {
    display: block;
}

.sidebar-flyout-title {
    padding: 10px 16px 6px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--gray-400);
}

.sidebar-flyout .submenu-link {
    padding: 9px 16px;
    display: block;
}

.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 1035;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

/* ========== MOBILE RESPONSIVE ========== */
@media (max-width: 991.98px) {
    .top-navbar {
        position: sticky;
        top: 0;
        z-index: 10070;
    }

    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width) !important;
        height: 100vh;
        height: 100dvh;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 10060;
        box-shadow: 8px 0 32px rgba(0,0,0,0.35);
        will-change: transform;
    }

    .sidebar.collapsed {
        width: var(--sidebar-width) !important;
    }

    .sidebar.collapsed .nav-text,
    .sidebar.collapsed .submenu-arrow,
    .sidebar.collapsed .submenu,
    .sidebar.collapsed .sidebar-search,
    .sidebar.collapsed .user-info,
    .sidebar.collapsed .sidebar-logo-text span,
    .sidebar.collapsed .sidebar-logo-img {
        display: revert;
    }

    .sidebar.collapsed .submenu.collapse:not(.show) {
        display: none;
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        z-index: 10060;
    }

    .sidebar.mobile-open .sidebar-logo-text span,
    .sidebar.mobile-open .sidebar-logo-img,
    .sidebar.mobile-open .nav-text,
    .sidebar.mobile-open .submenu-arrow,
    .sidebar.mobile-open .submenu,
    .sidebar.mobile-open .sidebar-search,
    .sidebar.mobile-open .user-info,
    .sidebar.mobile-open .sidebar-logout {
        display: revert;
    }

    .sidebar.mobile-open .submenu.collapse:not(.show) {
        display: none;
    }

    .sidebar.mobile-open .sidebar-header {
        justify-content: space-between;
        padding: 16px 18px;
    }

    .sidebar.mobile-open .sidebar-nav .nav-link {
        justify-content: flex-start;
        padding: 10px 14px;
    }

    .sidebar.mobile-open .nav-icon {
        font-size: 1.15rem;
        width: 22px;
    }

    .sidebar.mobile-open .nav-link.active::before {
        display: block;
    }

    .sidebar:not(.mobile-open) {
        pointer-events: none;
    }

    .sidebar.mobile-open {
        pointer-events: auto;
    }

    .main-wrapper,
    .main-content {
        margin-left: 0 !important;
        position: relative;
        z-index: 1;
    }

    .main-footer {
        left: 0 !important;
        z-index: 1;
    }

    body.sidebar-mobile-open {
        overflow: hidden;
    }

    body.sidebar-mobile-open .main-content,
    body.sidebar-mobile-open .main-footer,
    body.sidebar-mobile-open .dashboard-stat-card,
    body.sidebar-mobile-open .dashboard-card,
    body.sidebar-mobile-open .card {
        z-index: auto;
    }

    .sidebar-overlay {
        z-index: 10050;
    }
}

@media (max-width: 991.98px) {
    .login-split {
        flex-direction: column;
        max-width: 500px;
        margin: 0 auto;
        min-height: auto;
    }

    .login-brand {
        padding: 36px 30px;
    }

    .brand-title {
        font-size: 1.4rem;
    }

    .brand-features {
        display: none;
    }

    .login-form-side {
        padding: 36px 30px;
    }

    .brand-decoration {
        display: none;
    }

    .stat-card {
        padding: 16px;
    }

    .stat-value {
        font-size: 1.3rem;
    }

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

@media (max-width: 767.98px) {
    .main-content {
        padding: 16px;
    }

    .login-container {
        margin: 10px;
    }

    .login-split {
        border-radius: 16px;
    }

    .login-brand {
        padding: 24px 20px;
    }

    .login-form-side {
        padding: 24px 20px;
    }

    .customer-login-card,
    .customer-register-card {
        padding: 28px 20px;
    }

    .card-body {
        padding: 16px;
    }

    .table > thead > tr > th,
    .table > tbody > tr > td {
        padding: 10px 12px;
    }
}

@media (max-width: 575.98px) {
    .login-container {
        margin: 0;
    }

    .login-split {
        border-radius: 0;
    }

    .stat-card {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .stat-trend {
        justify-content: center;
    }
}

.top-navbar {
    padding: 0.35rem 0;
    z-index: 1030;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}
.top-navbar .dropdown-menu {
    min-width: 200px;
}
.avatar-circle-sm {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
}