:root {
    --void: #001a2d;
    --ink: #f7f9fb;
    --blood: #8b0000;
    --steel: #5f6e7c;
    --gold: #c9a634;
    --slate: #1a1a1a;
    --glow-blood: rgba(139,0,0,.55);
    --glow-gold: rgba(201,166,52,.55);
    --line: rgba(255,255,255,.06);
}

html, body {
    height: 100%;
    margin: 0;
}

body {
    display: flex;
    flex-direction: column;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(180deg, #002a45 0%, var(--void) 40%, var(--void) 70%, #000d16 100%);
    color: var(--ink);
}

.blueprint-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(to right, rgba(95, 110, 124, 0.08) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(95, 110, 124, 0.08) 1px, transparent 1px);
    background-size: 20px 20px;
    pointer-events: none;
    z-index: -1;
}

/* Navbar — matches IPA exactly */
.navbar {
    background: linear-gradient(180deg, var(--void) 0%, #002a45 100%);
    border-bottom: 2px solid var(--slate);
    padding: 0.5rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--ink);
}

.navbar-brand:hover {
    color: var(--gold);
}

.navbar-brand img {
    height: 40px;
    margin-right: 0.75rem;
}

.navbar-brand-text {
    display: flex;
    flex-direction: column;
}

.navbar-brand-title {
    color: var(--ink);
    font-weight: 600;
    letter-spacing: 0.15em;
    font-size: 1rem;
}

.navbar-brand-tagline {
    color: var(--steel);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.65rem;
}

/* Login section — matches IPA */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

/* Login card — matches IPA */
.login-card {
    background: var(--slate);
    border: 1px solid var(--line);
    border-radius: 4px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
    color: var(--ink);
}

.login-card .login-body .login-body-wrapper {
    max-width: 400px;
}

.login-header {
    text-align: center;
    padding: 2rem 2rem 1rem;
    border-bottom: 1px solid var(--line);
}

.login-header img {
    height: 70px;
    margin-bottom: 0.75rem;
}

.login-header h1 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ink);
    letter-spacing: 0.1em;
    margin: 0.5rem 0 0;
}

.login-header .subtitle {
    color: var(--steel);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.login-failed {
    max-width: 400px;
    background: var(--blood);
    border-left: 3px solid #ff4444;
    border-color: var(--blood);
    color: var(--ink);
}

/* Form elements — matches IPA */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.8rem;
    color: var(--steel);
    margin-bottom: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--ink) !important;
    background: var(--void) !important;
    border: 1px solid var(--steel) !important;
    border-radius: 3px;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
    border-color: var(--gold) !important;
    box-shadow: 0 0 0 2px var(--glow-gold) !important;
}

.form-control::placeholder {
    color: var(--steel) !important;
    opacity: 0.6;
}

.form-control:disabled,
.form-control[readonly] {
    background: rgba(0,26,45,0.5) !important;
    color: var(--steel) !important;
    border-color: rgba(95,110,124,0.3) !important;
}

.form-control-lg {
    font-size: 0.95rem;
}

.form-text {
    color: var(--steel) !important;
}

.form-text a {
    color: var(--gold);
}

/* Button — matches IPA btn-gold */
.btn-primary {
    display: block;
    width: 100%;
    padding: 0.7rem 1.5rem;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--void) !important;
    background: var(--gold) !important;
    border: none !important;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.btn-primary:hover,
.btn-primary:focus {
    background: #b8952e !important;
    color: var(--void) !important;
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-danger {
    background: var(--blood) !important;
    border-color: var(--blood) !important;
    color: var(--ink) !important;
}

.btn-danger:hover {
    background: #a00000 !important;
    border-color: #a00000 !important;
}

.btn-link {
    color: var(--gold) !important;
}

/* Links */
a {
    color: var(--gold);
}

a:hover {
    color: #b8952e;
}

.text-muted {
    color: var(--steel) !important;
}

.text-muted a {
    color: var(--gold) !important;
}

/* Footer */
.footer {
    background: var(--void);
    border-top: 2px solid var(--slate);
    padding: 0.75rem 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 0.25rem 1rem;
    font-size: 0.75rem;
    flex-shrink: 0;
}

.footer a {
    color: var(--ink);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    color: var(--gold);
}

.footer .copyright {
    color: var(--steel);
}

/* Dashboard panel */
.bg-white {
    background: var(--slate) !important;
    color: var(--ink);
}

.shadow {
    box-shadow: 0 8px 30px rgba(0,0,0,0.4) !important;
}

.rounded-3 {
    border-radius: 4px !important;
}

/* Profile sidebar */
.profile-tab-nav {
    min-width: 250px;
    border-color: var(--line) !important;
}

.profile-tab-nav h4 {
    color: var(--ink);
}

.tab-content {
    flex: 1;
}

.nav-pills a.nav-link {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    border-radius: 0;
    color: var(--ink);
}

.nav-pills a.nav-link:hover {
    color: var(--gold);
    background: rgba(201,166,52,0.1);
}

.nav-pills a.nav-link.active {
    background: rgba(201,166,52,0.15);
    color: var(--gold);
}

.nav-pills a.nav-link i {
    width: 20px;
}

.img-circle img {
    height: 100px;
    width: 100px;
    border-radius: 100%;
    border: 5px solid var(--steel);
}

/* Dashboard content */
.dashboard-content {
    align-items: flex-start;
    padding-top: 2rem;
}

.dashboard-content > .container {
    max-width: 900px;
}

/* Alerts */
.alert-danger {
    background: var(--blood) !important;
    border-color: var(--blood) !important;
    color: var(--ink) !important;
}

.alert-success {
    background: rgba(40,167,69,0.2) !important;
    border-color: rgba(40,167,69,0.4) !important;
    color: var(--ink) !important;
}

.alert-warning {
    background: rgba(201,166,52,0.2) !important;
    border-color: rgba(201,166,52,0.4) !important;
    color: var(--ink) !important;
}

.btn-close {
    filter: invert(1);
}

/* Badges */
.badge.bg-dark {
    background: var(--void) !important;
    color: var(--ink);
    border: 1px solid var(--steel);
}

/* Border overrides */
.border-top {
    border-color: var(--line) !important;
}

.border-end {
    border-color: var(--line) !important;
}

/* Tables */
.table {
    color: var(--ink);
}

/* Modals */
.modal-content {
    background: var(--slate);
    color: var(--ink);
    border: 1px solid var(--line);
}

.modal-header {
    border-bottom-color: var(--line);
}

.modal-footer {
    border-top-color: var(--line);
}

/* Card */
.card {
    background: var(--slate);
    border-color: var(--line);
    color: var(--ink);
}

/* Misc */
.bg-dark {
    background: var(--void) !important;
}

.text-light {
    color: var(--ink) !important;
}

h3, h4 {
    color: var(--ink);
}

.btn-alternate-hide,
.btn-alternate-show {
    width: 80px;
}
.btn-alternate-show {
    display: none;
}
.btn-alternate-hide:hover + .btn-alternate-show {
    display: block;
}
.btn-alternate-show:hover {
    display: block;
}

/* Responsive */
@media (max-width: 576px) {
    .login-card {
        margin: 0 0.5rem;
    }
    .navbar-brand-title {
        font-size: 0.85rem;
    }
    .navbar-brand-tagline {
        display: none;
    }
    .footer {
        flex-direction: column;
        text-align: center;
        gap: 0.35rem;
        padding: 0.5rem 1rem;
    }
    .login-actions {
        flex-direction: column;
    }
    .login-actions .btn {
        width: 100%;
    }
}

/* Outline secondary button */
.btn-outline-secondary {
    color: var(--steel) !important;
    border-color: var(--steel) !important;
    background: transparent !important;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Captcha subcard */
.captcha-card {
    background: var(--void);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 1rem;
}

.captcha-card img {
    max-width: 100%;
    border-radius: 3px;
}

.captcha-card .btn-reload {
    color: var(--gold) !important;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
}

.captcha-card .btn-reload:hover {
    color: #b8952e !important;
}

.btn-outline-secondary:hover {
    color: var(--ink) !important;
    border-color: var(--ink) !important;
    background: rgba(255,255,255,0.05) !important;
}