/* ================================================================
   Virtual Vault System — Design System
   US Financial-Grade UI: Blue #1E3A8A / White / Light Gray
   Font: Inter
   ================================================================ */

/* ----------------------------------------------------------------
   CSS Custom Properties
   ---------------------------------------------------------------- */
:root {
    --vault-blue:       #1E3A8A;
    --vault-blue-dark:  #1E2F6E;
    --vault-blue-mid:   #2563EB;
    --vault-blue-light: #DBEAFE;
    --vault-text:       #111827;
    --vault-muted:      #6B7280;
    --vault-border:     #E5E7EB;
    --vault-bg:         #F8FAFC;
    --vault-card-bg:    #FFFFFF;
    --sidebar-bg:       #0F172A;
    --sidebar-text:     rgba(255,255,255,.75);
    --sidebar-hover:    rgba(255,255,255,.08);
    --sidebar-active:   rgba(59,130,246,.20);
    --sidebar-active-text: #93C5FD;
    --topbar-height:    64px;
    --sidebar-width:    240px;
    --sidebar-collapsed: 0px;
    --radius-sm:        6px;
    --radius-md:        10px;
    --radius-lg:        14px;
    --shadow-sm:        0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
    --shadow-md:        0 4px 12px rgba(0,0,0,.07);
    --transition:       0.18s ease;
}

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

html { font-size: 14px; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--vault-text);
    background: var(--vault-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--vault-blue-mid); text-decoration: none; }
a:hover { text-decoration: underline; }

.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.py-lg-6 { padding-top: 5rem !important; padding-bottom: 5rem !important; }

/* ----------------------------------------------------------------
   SIDEBAR
   ---------------------------------------------------------------- */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: width var(--transition);
    z-index: 200;
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 18px 20px 14px;
    font-size: 15px;
    font-weight: 700;
    color: #fff !important;
    letter-spacing: -.2px;
}

.sidebar-divider {
    border-color: rgba(255,255,255,.08);
    margin: 6px 16px;
}

.sidebar .nav-link {
    color: var(--sidebar-text);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    font-size: 13.5px;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
}
.sidebar .nav-link:hover {
    background: var(--sidebar-hover);
    color: #fff;
    text-decoration: none;
}
.sidebar .nav-link.active {
    background: var(--sidebar-active);
    color: var(--sidebar-active-text);
    font-weight: 600;
}

/* ----------------------------------------------------------------
   TOPBAR
   ---------------------------------------------------------------- */
.topbar {
    height: var(--topbar-height);
    background: #fff;
    border-bottom: 1px solid var(--vault-border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

/* ----------------------------------------------------------------
   MAIN CONTENT
   ---------------------------------------------------------------- */
.main-content {
    min-height: 100vh;
    background: var(--vault-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-area {
    flex: 1;
}

.page-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--vault-text);
    letter-spacing: -.3px;
}

/* ----------------------------------------------------------------
   CARDS
   ---------------------------------------------------------------- */
.vault-card {
    background: var(--vault-card-bg);
    border: 1px solid var(--vault-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
}

/* ----------------------------------------------------------------
   STAT CARDS (Dashboard KPIs)
   ---------------------------------------------------------------- */
.stat-card {
    background: #fff;
    border: 1px solid var(--vault-border);
    border-radius: var(--radius-lg);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); }

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-icon.blue   { background: #EFF6FF; color: #1E40AF; }
.stat-icon.green  { background: #ECFDF5; color: #059669; }
.stat-icon.amber  { background: #FFFBEB; color: #D97706; }
.stat-icon.purple { background: #F5F3FF; color: #7C3AED; }

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--vault-text);
    line-height: 1.1;
    letter-spacing: -.3px;
}
.stat-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--vault-muted);
    text-transform: uppercase;
    letter-spacing: .5px;
    margin-top: 3px;
}

/* ----------------------------------------------------------------
   FEATURE CARDS (Public)
   ---------------------------------------------------------------- */
.feature-card {
    background: #fff;
    border: 1px solid var(--vault-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    height: 100%;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.feature-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--vault-blue-light);
}

.feature-icon {
    width: 52px;
    height: 52px;
    background: #EFF6FF;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #1E40AF;
    margin-bottom: 16px;
}

/* ----------------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------------- */
.btn-vault-primary {
    background: var(--vault-blue);
    border: none;
    color: #fff;
    font-weight: 600;
    border-radius: var(--radius-sm);
    padding: 8px 18px;
    font-size: 13.5px;
    transition: background var(--transition), box-shadow var(--transition);
}
.btn-vault-primary:hover,
.btn-vault-primary:focus {
    background: var(--vault-blue-dark);
    color: #fff;
    box-shadow: 0 2px 8px rgba(30,58,138,.25);
}
.btn-vault-primary:active {
    background: #182f70;
}

/* ----------------------------------------------------------------
   FORMS
   ---------------------------------------------------------------- */
.form-control, .form-select {
    border-color: var(--vault-border);
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    color: var(--vault-text);
    transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus, .form-select:focus {
    border-color: #93C5FD;
    box-shadow: 0 0 0 3px rgba(147,197,253,.25);
    outline: none;
}
.form-label {
    font-size: 13px;
    font-weight: 600;
    color: #374151;
    margin-bottom: 5px;
}
.input-group-text {
    background: #F9FAFB;
    border-color: var(--vault-border);
    font-size: 13px;
}

/* ----------------------------------------------------------------
   TABLES
   ---------------------------------------------------------------- */
.table {
    font-size: 13.5px;
    color: var(--vault-text);
}
.table th {
    font-size: 11.5px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .5px;
    color: var(--vault-muted);
    background: #F9FAFB;
    border-bottom: 2px solid var(--vault-border);
    padding: 10px 14px;
    white-space: nowrap;
}
.table td {
    padding: 11px 14px;
    vertical-align: middle;
    border-color: #F3F4F6;
}
.table-hover tbody tr:hover {
    background: #F9FAFB;
}

/* ----------------------------------------------------------------
   PAGINATION
   ---------------------------------------------------------------- */
.page-link {
    color: var(--vault-blue-mid);
    border-color: var(--vault-border);
    font-size: 13px;
}
.page-item.active .page-link {
    background: var(--vault-blue);
    border-color: var(--vault-blue);
}

/* ----------------------------------------------------------------
   MODAL
   ---------------------------------------------------------------- */
.modal-header {
    background: #F8FAFC;
    border-bottom: 1px solid var(--vault-border);
    padding: 16px 24px;
}
.modal-footer {
    background: #F8FAFC;
    border-top: 1px solid var(--vault-border);
    padding: 14px 24px;
}
.modal-body { padding: 24px; }
.modal-title { font-size: 15px; font-weight: 700; }

/* ----------------------------------------------------------------
   TOAST NOTIFICATIONS
   ---------------------------------------------------------------- */
.vault-toast {
    background: #fff;
    border: 1px solid var(--vault-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    min-width: 280px;
    max-width: 360px;
}
.vault-toast .toast-header {
    background: transparent;
    border-bottom: 1px solid #F3F4F6;
    font-weight: 600;
    font-size: 13px;
}
.vault-toast.success .toast-header { color: #065F46; }
.vault-toast.danger  .toast-header { color: #991B1B; }
.vault-toast.warning .toast-header { color: #92400E; }
.vault-toast.info    .toast-header { color: #1E40AF; }

/* ----------------------------------------------------------------
   AUTHENTICATION LAYOUT
   ---------------------------------------------------------------- */
.auth-layout {
    background: linear-gradient(135deg, #EFF6FF 0%, #F0F9FF 50%, #F0FDF4 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-wrapper {
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
}

.auth-card {
    background: #fff;
    border: 1px solid var(--vault-border);
    border-radius: var(--radius-lg);
    padding: 36px 40px;
    width: 100%;
    max-width: 440px;
    box-shadow: var(--shadow-md);
}

.auth-brand {
    text-align: center;
    font-size: 18px;
    font-weight: 700;
    color: var(--vault-blue);
    letter-spacing: -.3px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.auth-brand i { font-size: 20px; }

.auth-trust-row {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--vault-border);
    color: var(--vault-muted);
    font-size: 11px;
    font-weight: 600;
    flex-wrap: wrap;
}

/* ----------------------------------------------------------------
   OTP INPUTS
   ---------------------------------------------------------------- */
.otp-inputs {
    display: flex;
    gap: 8px;
    justify-content: center;
}
.otp-digit {
    width: 48px !important;
    height: 52px;
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    border-radius: var(--radius-sm);
    border: 2px solid var(--vault-border);
    padding: 0;
    color: var(--vault-blue);
}
.otp-digit:focus {
    border-color: #93C5FD;
    box-shadow: 0 0 0 3px rgba(147,197,253,.25);
    outline: none;
}

/* ----------------------------------------------------------------
   PUBLIC NAVBAR
   ---------------------------------------------------------------- */
.public-navbar {
    background: #fff;
    border-bottom: 1px solid var(--vault-border);
    box-shadow: var(--shadow-sm);
    padding: 12px 0;
}
.public-navbar .navbar-brand {
    font-weight: 700;
    font-size: 16px;
    color: var(--vault-blue) !important;
    letter-spacing: -.2px;
}
.public-navbar .nav-link {
    font-size: 14px;
    font-weight: 500;
    color: #374151;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.public-navbar .nav-link:hover {
    background: #F3F4F6;
    color: var(--vault-blue);
    text-decoration: none;
}

/* ----------------------------------------------------------------
   HERO SECTION — Subdued, professional (no bright gradients)
   ---------------------------------------------------------------- */
.hero-section {
    background: var(--vault-blue);
    color: #fff;
    padding: 80px 0 60px;
    position: relative;
    overflow: hidden;
}

/* Subtle geometric texture — no gradients */
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 75% 30%, rgba(255,255,255,.04) 0%, transparent 50%),
        radial-gradient(circle at 20% 80%, rgba(255,255,255,.03) 0%, transparent 45%);
    pointer-events: none;
}

.hero-section h1 {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -.4px;
    color: #fff;
    margin: 0;
}
.hero-section p {
    font-size: 16px;
    color: rgba(255,255,255,.80);
    max-width: 520px;
    line-height: 1.7;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.20);
    color: #BFDBFE;
    font-size: 12.5px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: .2px;
}

.hero-stats {
    display: flex;
    gap: 32px;
    margin-top: 36px;
    padding-top: 28px;
    border-top: 1px solid rgba(255,255,255,.15);
    flex-wrap: wrap;
}
.hero-stat .number {
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}
.hero-stat .label {
    font-size: 12px;
    color: rgba(255,255,255,.60);
    font-weight: 500;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: .4px;
}

/* ----------------------------------------------------------------
   LEGAL PAGES
   ---------------------------------------------------------------- */
.legal-page {
    color: #374151;
    line-height: 1.8;
}

.legal-section {
    margin-bottom: 36px;
    padding-bottom: 28px;
    border-bottom: 1px solid #F3F4F6;
}
.legal-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
}

.legal-section h2 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--vault-blue);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid #DBEAFE;
    display: inline-block;
}

.legal-section h3 {
    font-size: 14.5px;
    font-weight: 700;
    color: #1F2937;
    margin: 18px 0 10px;
}

.legal-section p {
    margin-bottom: 14px;
    font-size: 14px;
}

.legal-section ul {
    padding-left: 20px;
    margin-bottom: 14px;
}
.legal-section ul li {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 1.7;
}

.legal-notice {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-left: 4px solid #D97706;
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    font-size: 14px;
    line-height: 1.7;
    color: #374151;
    margin-bottom: 0;
}

/* ----------------------------------------------------------------
   SIDEBAR TOGGLE (mobile)
   ---------------------------------------------------------------- */
.sidebar-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
    color: var(--vault-muted);
}
.sidebar-toggle:hover { background: #F3F4F6; }

/* ----------------------------------------------------------------
   Select2 Bootstrap 5 overrides
   ---------------------------------------------------------------- */
.select2-container--bootstrap-5 .select2-selection {
    font-size: 13.5px;
    border-color: var(--vault-border) !important;
    border-radius: var(--radius-sm) !important;
}

/* ----------------------------------------------------------------
   DataTables Bootstrap 5 overrides
   ---------------------------------------------------------------- */
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--vault-border);
    border-radius: var(--radius-sm);
    padding: 4px 10px;
    font-size: 13px;
}

/* ----------------------------------------------------------------
   Admin login / public auth pages background fix
   ---------------------------------------------------------------- */
.admin-login-layout {
    background: var(--vault-bg);
}

/* ----------------------------------------------------------------
   Utility
   ---------------------------------------------------------------- */
code {
    background: #F3F4F6;
    color: var(--vault-blue-mid);
    font-size: 12px;
    padding: 1px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

.alert { font-size: 13.5px; border-radius: var(--radius-sm); }
.badge { font-size: 11px; }

/* ----------------------------------------------------------------
   Responsive
   ---------------------------------------------------------------- */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        z-index: 1040;
    }
    .sidebar.show {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,.18);
    }
    .main-content { margin-left: 0 !important; }
    .auth-card { padding: 28px 20px; }
    .hero-section h1 { font-size: 1.7rem; }
    .hero-stats { gap: 20px; }
    .otp-digit { width: 40px !important; height: 44px; font-size: 18px; }
    .legal-page { font-size: 13px; }
}

@media (max-width: 480px) {
    .auth-card { padding: 24px 16px; }
    .auth-trust-row { gap: 10px; font-size: 10px; }
}