/* ========================================
   Korex Web Security - Design System v5
   Full Contrast & Visibility
   ======================================== */

:root {
    --primary-dark: #0a0e1a;
    --primary-navy: #111827;
    --primary-blue: #3b82f6;
    --primary-blue-hover: #2563eb;
    --primary-blue-light: rgba(59, 130, 246, 0.15);
    --text-light: #f8fafc;
    --text-muted: #cbd5e1;
    --text-muted-2: #94a3b8;
    --text-dark: #0f172a;
    --border-color: #1e293b;
    --success: #22c55e;
    --warning: #eab308;
    --danger: #ef4444;
    --info: #06b6d4;
    --radius: 12px;
    --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --card-bg: #1e293b;
    --input-bg: #0f172a;
    --input-border: #334155;
    --input-focus: #3b82f6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background: var(--primary-dark);
    color: var(--text-light);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-light) !important;
}

p, li, span, div:not(.card):not(.modal) {
    color: var(--text-light);
}

/* ---------- Links ---------- */
a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color 0.2s;
}
a:hover {
    color: var(--primary-blue-hover);
    text-decoration: underline;
}

/* ---------- Muted Text ---------- */
.text-muted {
    color: var(--text-muted) !important;
}
.small, small {
    color: var(--text-muted) !important;
}
.lead {
    color: var(--text-light) !important;
}

/* ---------- Cards ---------- */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text-light);
}
.card-header {
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-light);
}
.card-body {
    color: var(--text-light);
}
.card-title {
    color: var(--text-light);
}
.card-text {
    color: var(--text-light);
}
.card-footer {
    background: rgba(0,0,0,0.2);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ---------- Forms ---------- */
.form-label {
    font-weight: 500;
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 6px;
}

.form-control {
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    color: var(--text-light);
    padding: 12px 16px;
    font-size: 14px;
    transition: all 0.2s ease;
}
.form-control:focus {
    background: var(--input-bg);
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3px var(--primary-blue-light);
    color: var(--text-light);
}
.form-control::placeholder {
    color: #94a3b8 !important;
    opacity: 1;
}
::-webkit-input-placeholder {
    color: #94a3b8 !important;
    opacity: 1;
}
::-moz-placeholder {
    color: #94a3b8 !important;
    opacity: 1;
}
:-ms-input-placeholder {
    color: #94a3b8 !important;
    opacity: 1;
}

.form-control.is-invalid {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}
.invalid-feedback {
    color: var(--danger);
    font-size: 12px;
    margin-top: 4px;
}
.password-hint {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: 4px;
}
.form-text {
    color: var(--text-muted) !important;
}

/* ----- Checkbox & Radio ----- */
.form-check-label {
    color: var(--text-light) !important;
}
.form-check-input {
    background-color: var(--input-bg);
    border-color: var(--input-border);
}
.form-check-input:checked {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

/* ---------- Buttons ---------- */
.btn-primary {
    background: var(--primary-blue);
    border: none;
    border-radius: 10px;
    padding: 14px 24px;
    font-weight: 600;
    font-size: 15px;
    color: #fff;
    transition: all 0.2s ease;
}
.btn-primary:hover {
    background: var(--primary-blue-hover);
    transform: translateY(-1px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.25);
    color: #fff;
}
.btn-secondary {
    background: #334155;
    border: none;
    border-radius: 10px;
    padding: 14px 24px;
    font-weight: 600;
    font-size: 15px;
    color: #fff;
    transition: all 0.2s ease;
}
.btn-secondary:hover {
    background: #475569;
    color: #fff;
}
.btn-outline-light {
    color: #e2e8f0;
    border-color: #475569;
}
.btn-outline-light:hover {
    background: #475569;
    color: #fff;
}
.btn-outline-primary {
    color: var(--primary-blue);
    border-color: var(--primary-blue);
}
.btn-outline-primary:hover {
    background: var(--primary-blue);
    color: #fff;
}
.btn-outline-danger {
    color: var(--danger);
    border-color: var(--danger);
}
.btn-outline-danger:hover {
    background: var(--danger);
    color: #fff;
}
.btn-link {
    color: var(--text-muted);
    font-weight: 500;
    text-decoration: none;
}
.btn-link:hover {
    color: var(--primary-blue);
    text-decoration: underline;
}

/* ---------- Alerts ---------- */
.alert-danger {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}
.alert-success {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
    color: #86efac;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}
.alert-info {
    background: rgba(6, 182, 212, 0.15);
    border: 1px solid rgba(6, 182, 212, 0.3);
    color: #67e8f9;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}
.alert-warning {
    background: rgba(234, 179, 8, 0.15);
    border: 1px solid rgba(234, 179, 8, 0.3);
    color: #fde047;
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 20px;
}
.alert ul, .alert p, .alert li {
    color: inherit !important;
}

/* ---------- Badges ---------- */
.badge {
    font-weight: 500;
    padding: 0.5em 0.75em;
}
.bg-success {
    background-color: var(--success) !important;
    color: #fff;
}
.bg-warning {
    background-color: var(--warning) !important;
    color: #000;
}
.bg-danger {
    background-color: var(--danger) !important;
    color: #fff;
}
.bg-info {
    background-color: var(--info) !important;
    color: #000;
}
.bg-primary {
    background-color: var(--primary-blue) !important;
    color: #fff;
}

/* ---------- Navbar ---------- */
.navbar-dark {
    background-color: var(--primary-navy) !important;
    border-bottom: 1px solid var(--border-color);
}
.navbar-dark .navbar-brand {
    font-weight: 800;
    font-size: 22px;
    color: var(--text-light);
}
.navbar-dark .navbar-brand span {
    color: var(--primary-blue);
}
.navbar-dark .nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
}
.navbar-dark .nav-link:hover {
    color: var(--text-light) !important;
}
.navbar-dark .navbar-toggler {
    border-color: var(--border-color);
}
.navbar-dark .dropdown-menu {
    background: #1e293b;
    border: 1px solid #334155;
}
.navbar-dark .dropdown-item {
    color: #cbd5e1;
}
.navbar-dark .dropdown-item:hover {
    background: #334155;
    color: #fff;
}

/* ---------- Footer ---------- */
.footer {
    background: #0f172a;
    border-top: 1px solid #1e293b;
    padding: 60px 0 30px;
    color: #94a3b8;
}
.footer h5 {
    color: #f8fafc;
}
.footer a {
    color: #94a3b8;
}
.footer a:hover {
    color: #f8fafc;
}
.footer .social-links a {
    display: inline-block;
    width: 36px;
    height: 36px;
    background: #1e293b;
    border-radius: 50%;
    text-align: center;
    line-height: 36px;
    color: #94a3b8;
    margin-right: 8px;
    transition: 0.3s;
}
.footer .social-links a:hover {
    background: #3b82f6;
    color: #fff;
}

/* ---------- Dashboard Cards ---------- */
.dashboard-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: all 0.2s;
}
.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.dashboard-card .number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-light);
}
.dashboard-card .label {
    color: var(--text-muted);
    font-size: 14px;
}

/* ---------- Tables ---------- */
.table {
    color: var(--text-light);
    border-color: var(--border-color);
}
.table th {
    border-bottom-color: var(--border-color);
    color: var(--text-muted);
    font-weight: 600;
}
.table td {
    border-color: var(--border-color);
    color: var(--text-light);
}
.table-hover tbody tr:hover {
    background-color: rgba(255,255,255,0.05);
}

/* ---------- Accordion ---------- */
.accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}
.accordion-button {
    background: var(--card-bg);
    color: var(--text-light);
}
.accordion-button:not(.collapsed) {
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-light);
}
.accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}
.accordion-body {
    background: var(--card-bg);
    color: var(--text-light);
}
.accordion-button::after {
    filter: invert(1);
}

/* ---------- Hero ---------- */
.bg-dark-gradient {
    background: linear-gradient(135deg, #0a0e1a 0%, #1a2332 100%);
}
.text-gradient {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-icon {
    font-size: 8rem;
    color: #3b82f6;
    opacity: 0.8;
}

/* ---------- Card Hover ---------- */
.card-hover {
    transition: transform 0.3s, box-shadow 0.3s;
}
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* ---------- Utilities ---------- */
.text-center { text-align: center; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }
.me-2 { margin-right: 0.5rem; }
.me-3 { margin-right: 1rem; }
.ms-auto { margin-left: auto; }
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.fw-bold { font-weight: 700; }
.fw-semibold { font-weight: 600; }
.fs-6 { font-size: 1rem; }
.fs-5 { font-size: 1.25rem; }
.fs-4 { font-size: 1.5rem; }
.fs-3 { font-size: 2rem; }
.fs-2 { font-size: 2.5rem; }
.fs-1 { font-size: 3rem; }

/* ---------- Responsive ---------- */
@media (max-width: 576px) {
    .auth-card {
        padding: 28px 20px;
    }
    .auth-card .card-title {
        font-size: 20px;
    }
    .dashboard-card .number {
        font-size: 2rem;
    }
    .hero-icon {
        font-size: 5rem;
    }
}