/* ================================================================
   BLUEMINGO ADMIN PANEL - Design System
   Brand: #2AA3CE (Teal) + #FFFFFF (White)
   Framework: Bootstrap 5.3.3 + Inter
   ================================================================ */

/* ---- CSS Custom Properties ---- */
:root {
    --admin-primary: #2AA3CE;
    --admin-primary-dark: #1E7FA3;
    --admin-primary-darker: #155D78;
    --admin-primary-light: #5DBFE0;
    --admin-primary-lighter: #E8F6FB;
    --admin-primary-rgb: 42, 163, 206;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-info: #06b6d4;
    --admin-dark: #0C1B2A;
    --admin-dark-secondary: #132F46;
    --admin-dark-tertiary: #1A3D5C;
    --admin-surface: #F8FBFD;
    --admin-border: #E2E8F0;
    --admin-text: #1A1A2E;
    --admin-text-muted: #64748B;
    --admin-gradient: linear-gradient(135deg, #2AA3CE 0%, #1E7FA3 100%);
    --admin-gradient-dark: linear-gradient(135deg, #0C1B2A 0%, #132F46 100%);
    --admin-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --admin-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --admin-shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --admin-radius: 12px;
    --admin-radius-sm: 8px;
    --admin-radius-lg: 16px;
    --admin-transition: all 0.3s cubic-bezier(.4,0,.2,1);
    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --header-height: 64px;
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    background: var(--admin-surface);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: var(--admin-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(var(--admin-primary-rgb),0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--admin-primary); }
html { scrollbar-width: thin; scrollbar-color: rgba(var(--admin-primary-rgb),0.3) transparent; }

a { color: var(--admin-primary); text-decoration: none; transition: var(--admin-transition); }
a:hover { color: var(--admin-primary-dark); }

/* ---- SIDEBAR ---- */
.admin-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--admin-gradient-dark);
    z-index: 1040;
    overflow-y: auto;
    overflow-x: hidden;
    transition: var(--admin-transition);
    box-shadow: 2px 0 20px rgba(0,0,0,0.15);
    scrollbar-width: thin;
    scrollbar-color: rgba(255,255,255,0.2) transparent;
}

.admin-sidebar::-webkit-scrollbar { width: 4px; }
.admin-sidebar::-webkit-scrollbar-track { background: transparent; }
.admin-sidebar::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.2); border-radius: 2px; }

.sidebar-brand {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-brand img {
    height: 36px;
    width: auto;
}

.sidebar-brand-text {
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.3px;
}

.sidebar-brand-text small {
    display: block;
    font-weight: 400;
    font-size: 0.7rem;
    color: rgba(255,255,255,0.5);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.sidebar-nav {
    padding: 1rem 0.75rem;
    list-style: none;
    margin: 0;
}

.sidebar-nav-label {
    color: rgba(255,255,255,0.35);
    font-size: 0.65rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    padding: 1.25rem 0.75rem 0.5rem;
}

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

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 0.75rem;
    color: rgba(255,255,255,0.65);
    border-radius: var(--admin-radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    transition: var(--admin-transition);
    text-decoration: none;
    position: relative;
}

.sidebar-nav-link i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.sidebar-nav-link:hover {
    color: #fff;
    background: rgba(var(--admin-primary-rgb), 0.15);
    transform: translateX(3px);
}

.sidebar-nav-link.active {
    color: #fff;
    background: var(--admin-gradient);
    box-shadow: 0 4px 12px rgba(var(--admin-primary-rgb), 0.35);
}

.sidebar-nav-link.active i {
    color: #fff;
}

.sidebar-nav-link.text-danger {
    color: rgba(239, 68, 68, 0.75) !important;
}

.sidebar-nav-link.text-danger:hover {
    color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.1);
}

.sidebar-divider {
    border-top: 1px solid rgba(255,255,255,0.08);
    margin: 0.75rem 0;
}

/* ---- HEADER ---- */
.admin-header {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    right: 0;
    height: var(--header-height);
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--admin-border);
    z-index: 1030;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    transition: var(--admin-transition);
}

.admin-header-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--admin-dark);
    margin: 0;
}

.admin-header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-header-user {
    font-size: 0.875rem;
    color: var(--admin-text-muted);
    font-weight: 500;
}

.admin-header-user strong {
    color: var(--admin-text);
}

.admin-sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--admin-dark);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--admin-radius-sm);
    transition: var(--admin-transition);
}

.admin-sidebar-toggle:hover {
    background: var(--admin-primary-lighter);
    color: var(--admin-primary);
}

/* ---- MAIN CONTENT ---- */
.admin-content {
    margin-left: var(--sidebar-width);
    padding: calc(var(--header-height) + 1.5rem) 1.5rem 1.5rem;
    min-height: 100vh;
    transition: var(--admin-transition);
}

/* ---- CARDS ---- */
.card {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow-sm);
    background: #fff;
    transition: var(--admin-transition);
}

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

.card-header {
    background: #fff;
    border-bottom: 1px solid var(--admin-border);
    padding: 1rem 1.25rem;
    border-radius: var(--admin-radius) var(--admin-radius) 0 0 !important;
    font-weight: 600;
}

.card-header.card-header-gradient {
    background: var(--admin-gradient);
    color: #fff;
    border-bottom: none;
}

.card-header.card-header-gradient .btn-light {
    background: rgba(255,255,255,0.2);
    border: none;
    color: #fff;
}

.card-header.card-header-gradient .btn-light:hover {
    background: rgba(255,255,255,0.3);
}

.card-body {
    padding: 1.25rem;
}

/* ---- STATS CARDS ---- */
.admin-stat-card {
    border-radius: var(--admin-radius-lg);
    padding: 1.5rem;
    color: #fff;
    position: relative;
    overflow: hidden;
    transition: var(--admin-transition);
    border: none;
}

.admin-stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--admin-shadow-lg);
}

.admin-stat-card::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -20%;
    width: 120px;
    height: 120px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
}

.admin-stat-card::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: 10%;
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.06);
    border-radius: 50%;
}

.admin-stat-card.stat-primary { background: var(--admin-gradient); }
.admin-stat-card.stat-success { background: linear-gradient(135deg, #10b981 0%, #34d399 100%); }
.admin-stat-card.stat-warning { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); }
.admin-stat-card.stat-info { background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%); }

.admin-stat-number {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.25rem;
}

.admin-stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0.85;
}

.admin-stat-icon {
    font-size: 2.5rem;
    opacity: 0.25;
    position: relative;
    z-index: 1;
}

/* ---- TABLES ---- */
.table {
    margin-bottom: 0;
}

.table thead th {
    background: var(--admin-surface);
    border-top: none;
    border-bottom: 2px solid var(--admin-border);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--admin-text-muted);
    padding: 0.75rem 1rem;
    white-space: nowrap;
}

.table tbody td {
    padding: 0.75rem 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #f1f5f9;
    font-size: 0.875rem;
}

.table-hover tbody tr:hover {
    background: var(--admin-primary-lighter);
}

/* ---- BADGES ---- */
.badge {
    font-weight: 600;
    font-size: 0.7rem;
    padding: 0.35em 0.75em;
    border-radius: 50px;
    letter-spacing: 0.3px;
}

/* ---- BUTTONS ---- */
.btn {
    font-weight: 600;
    font-size: 0.875rem;
    border-radius: var(--admin-radius-sm);
    transition: var(--admin-transition);
    padding: 0.5rem 1rem;
}

.btn-primary {
    background: var(--admin-gradient);
    border: none;
    color: #fff;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--admin-primary-dark) 0%, var(--admin-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--admin-primary-rgb), 0.35);
}

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

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

.btn-success { background: linear-gradient(135deg, #10b981 0%, #34d399 100%); border: none; }
.btn-info { background: linear-gradient(135deg, #06b6d4 0%, #22d3ee 100%); border: none; color: #fff; }
.btn-warning { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); border: none; }

.btn-group .btn { border-radius: var(--admin-radius-sm); }
.btn-group .btn + .btn { margin-left: 4px; }

/* ---- FORMS ---- */
.form-control, .form-select {
    border: 2px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    padding: 0.6rem 0.75rem;
    font-size: 0.875rem;
    transition: var(--admin-transition);
    background-color: #fff;
}

.form-control:focus, .form-select:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(var(--admin-primary-rgb), 0.12);
}

.form-label {
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--admin-text);
    margin-bottom: 0.375rem;
}

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

/* ---- ALERTS ---- */
.alert {
    border: none;
    border-radius: var(--admin-radius);
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--admin-shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, rgba(16,185,129,0.1) 0%, rgba(52,211,153,0.1) 100%);
    color: #065f46;
    border-left: 4px solid var(--admin-success);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239,68,68,0.1) 0%, rgba(252,165,165,0.1) 100%);
    color: #991b1b;
    border-left: 4px solid var(--admin-danger);
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245,158,11,0.1) 0%, rgba(251,191,36,0.1) 100%);
    color: #92400e;
    border-left: 4px solid var(--admin-warning);
}

/* ---- LIST GROUP ---- */
.list-group-item {
    border: none;
    border-bottom: 1px solid #f1f5f9;
    padding: 0.875rem 0;
    transition: var(--admin-transition);
}

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

.list-group-item:hover {
    background: var(--admin-primary-lighter);
    border-radius: var(--admin-radius-sm);
}

/* ---- DROPDOWN ---- */
.dropdown-menu {
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    box-shadow: var(--admin-shadow-lg);
    padding: 0.5rem;
}

.dropdown-item {
    border-radius: var(--admin-radius-sm);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--admin-transition);
}

.dropdown-item:hover {
    background: var(--admin-primary-lighter);
    color: var(--admin-primary);
}

/* ---- PAGINATION ---- */
.pagination .page-link {
    border: none;
    color: var(--admin-text-muted);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 0.5rem 0.75rem;
    border-radius: var(--admin-radius-sm);
    margin: 0 2px;
    transition: var(--admin-transition);
}

.pagination .page-link:hover {
    background: var(--admin-primary-lighter);
    color: var(--admin-primary);
}

.pagination .page-item.active .page-link {
    background: var(--admin-gradient);
    color: #fff;
    box-shadow: 0 2px 8px rgba(var(--admin-primary-rgb), 0.3);
}

/* ---- MODAL ---- */
.modal-content {
    border: none;
    border-radius: var(--admin-radius-lg);
    box-shadow: var(--admin-shadow-lg);
}

.modal-header {
    border-bottom: 1px solid var(--admin-border);
    padding: 1.25rem 1.5rem;
}

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

/* ---- EMPTY STATE ---- */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
}

.empty-state i {
    font-size: 3rem;
    color: #CBD5E1;
    margin-bottom: 1rem;
}

.empty-state h5 {
    color: var(--admin-text-muted);
    font-weight: 600;
}

.empty-state p {
    color: #94A3B8;
    font-size: 0.875rem;
}

/* ---- QUICK ACTIONS ---- */
.quick-action-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    border-radius: var(--admin-radius);
    border: 2px solid var(--admin-border);
    background: #fff;
    color: var(--admin-text);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--admin-transition);
    text-decoration: none;
    width: 100%;
}

.quick-action-btn i {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--admin-radius-sm);
    font-size: 1rem;
    flex-shrink: 0;
}

.quick-action-btn:hover {
    border-color: var(--admin-primary);
    color: var(--admin-primary);
    transform: translateY(-2px);
    box-shadow: var(--admin-shadow-md);
}

.quick-action-btn.qa-primary i { background: rgba(var(--admin-primary-rgb),0.1); color: var(--admin-primary); }
.quick-action-btn.qa-success i { background: rgba(16,185,129,0.1); color: var(--admin-success); }
.quick-action-btn.qa-info i { background: rgba(6,182,212,0.1); color: var(--admin-info); }
.quick-action-btn.qa-warning i { background: rgba(245,158,11,0.1); color: var(--admin-warning); }

/* ---- SIDEBAR OVERLAY (Mobile) ---- */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1035;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 991.98px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }

    .admin-sidebar.active {
        transform: translateX(0);
    }

    .sidebar-overlay.active {
        display: block;
    }

    .admin-header {
        left: 0;
    }

    .admin-content {
        margin-left: 0;
    }

    .admin-sidebar-toggle {
        display: block;
    }
}

@media (max-width: 767.98px) {
    .admin-content {
        padding: calc(var(--header-height) + 1rem) 1rem 1rem;
    }

    .admin-stat-number {
        font-size: 1.5rem;
    }

    .table-responsive {
        font-size: 0.8rem;
    }
}

/* ---- LOGIN PAGE ---- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-gradient-dark);
    position: relative;
    overflow: hidden;
}

.login-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--admin-primary-rgb),0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.login-wrapper::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(var(--admin-primary-rgb),0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.login-card {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(20px);
    border-radius: var(--admin-radius-lg);
    box-shadow: 0 25px 80px rgba(0,0,0,0.2);
    padding: 2.5rem;
    max-width: 420px;
    width: 100%;
    position: relative;
    z-index: 1;
}

.login-logo {
    max-height: 50px;
    margin-bottom: 0.5rem;
}

.login-title {
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--admin-dark);
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--admin-text-muted);
    font-size: 0.875rem;
}

.login-card .form-control {
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
}

.login-card .input-group-text {
    background: var(--admin-surface);
    border: 2px solid var(--admin-border);
    border-right: none;
    color: var(--admin-text-muted);
}

.login-card .input-group .form-control {
    border-left: none;
}

.login-card .input-group:focus-within .input-group-text {
    border-color: var(--admin-primary);
    color: var(--admin-primary);
}

.btn-login {
    background: var(--admin-gradient);
    border: none;
    border-radius: var(--admin-radius);
    padding: 0.875rem;
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    transition: var(--admin-transition);
    width: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--admin-primary-rgb), 0.4);
    color: #fff;
}

/* ---- UTILITY ---- */
.text-admin-primary { color: var(--admin-primary) !important; }
.bg-admin-surface { background: var(--admin-surface) !important; }
.border-admin { border-color: var(--admin-border) !important; }

/* ---- PRINT ---- */
@media print {
    .admin-sidebar, .admin-header, .admin-sidebar-toggle { display: none !important; }
    .admin-content { margin-left: 0 !important; padding-top: 0 !important; }
}