/* ============================================================
   Login Page — Full-Viewport Split Layout
   ============================================================ */

.login-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--gray-100);
}

.login-split {
    display: flex;
    flex: 1;
}

/* === Left Panel: Navy Branding === */
.login-left {
    width: 42%;
    background: linear-gradient(165deg, var(--navy-dark) 0%, var(--navy) 50%, var(--navy-light) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 48px;
    position: relative;
    overflow: hidden;
    color: var(--white);
    text-align: center;
}

/* Star pattern overlay */
.login-left::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image:
        radial-gradient(1px 1px at 10% 15%, rgba(197,164,78,0.3) 1px, transparent 0),
        radial-gradient(1px 1px at 30% 45%, rgba(197,164,78,0.2) 1px, transparent 0),
        radial-gradient(1px 1px at 50% 20%, rgba(197,164,78,0.25) 1px, transparent 0),
        radial-gradient(1px 1px at 70% 60%, rgba(197,164,78,0.2) 1px, transparent 0),
        radial-gradient(1px 1px at 85% 35%, rgba(197,164,78,0.3) 1px, transparent 0),
        radial-gradient(1px 1px at 15% 75%, rgba(197,164,78,0.2) 1px, transparent 0),
        radial-gradient(1px 1px at 60% 80%, rgba(197,164,78,0.25) 1px, transparent 0),
        radial-gradient(1px 1px at 90% 85%, rgba(197,164,78,0.2) 1px, transparent 0),
        radial-gradient(1px 1px at 40% 90%, rgba(197,164,78,0.15) 1px, transparent 0),
        radial-gradient(1.5px 1.5px at 25% 30%, rgba(255,255,255,0.08) 1px, transparent 0),
        radial-gradient(1.5px 1.5px at 75% 50%, rgba(255,255,255,0.06) 1px, transparent 0);
    pointer-events: none;
    z-index: 0;
}

.login-left > * { position: relative; z-index: 1; }

.login-left .seal-container {
    margin-bottom: 32px;
}

.login-left .gov-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 8px;
}

.login-left .system-name {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
    line-height: 1.2;
}

.login-left .system-abbr {
    font-family: var(--font-mono);
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: 12px;
    color: var(--gold);
    margin-top: 12px;
    margin-bottom: 32px;
    position: relative;
    display: inline-block;
    padding: 0 6px;
}
.login-left .system-abbr::before,
.login-left .system-abbr::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40px;
    height: 1px;
    background: var(--gold-dark);
}
.login-left .system-abbr::before { right: 100%; margin-right: 12px; }
.login-left .system-abbr::after  { left: 100%; margin-left: 12px; }

.login-left .monitor-notice {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.5);
    font-style: italic;
    max-width: 280px;
    line-height: 1.5;
}

/* === Right Panel: Form === */
.login-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 48px;
    background: var(--gray-50);
}

.login-security-warning {
    background: var(--warning-light);
    border-left: 4px solid var(--warning);
    padding: 14px 18px;
    margin-bottom: 28px;
    max-width: 460px;
    width: 100%;
    font-size: 0.8rem;
    color: var(--gray-700);
    line-height: 1.6;
}
.login-security-warning strong {
    color: var(--warning);
    display: block;
    margin-bottom: 4px;
    text-transform: uppercase;
    font-size: 0.72rem;
    letter-spacing: 1px;
}

.login-form-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-top: 4px solid var(--navy);
    padding: 36px;
    max-width: 460px;
    width: 100%;
    box-shadow: var(--shadow-md);
}

.login-form-card h2 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    color: var(--navy);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.login-form-card h2 .star {
    color: var(--gold);
    font-size: 1rem;
}

.login-form-card .btn-gold {
    margin-top: 6px;
    padding: 10px 18px;
    font-size: 0.9rem;
}

.login-form-card .auth-link {
    margin-top: 20px;
}

/* === Slide to Verify === */
.slide-verify {
    margin-bottom: 20px;
}
.slide-track {
    position: relative;
    height: 50px;
    background: var(--gray-100);
    border: 2px solid var(--gray-300);
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
}
.slide-track.verified {
    border-color: #15803d;
    background: #f0fdf4;
}
.slide-fill {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, rgba(0,33,71,0.08), rgba(0,33,71,0.15));
    pointer-events: none;
}
.slide-track.verified .slide-fill {
    background: linear-gradient(90deg, rgba(21,128,61,0.1), rgba(21,128,61,0.2));
}
.slide-thumb {
    position: absolute;
    top: 2px;
    left: 0;
    width: 46px;
    height: 44px;
    background: var(--navy);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    z-index: 2;
    transition: left 0.3s ease;
    box-shadow: 2px 0 8px rgba(0,0,0,0.15);
}
.slide-thumb:active {
    cursor: grabbing;
}
.slide-track.verified .slide-thumb {
    background: #15803d;
    cursor: default;
}
.thumb-icon {
    color: #fff;
    font-size: 1.2rem;
}
.thumb-check {
    font-size: 1.4rem;
    font-weight: 700;
}
.slide-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-500);
    letter-spacing: 0.5px;
    pointer-events: none;
    white-space: nowrap;
    transition: opacity 0.15s;
    z-index: 1;
}
.slide-status {
    text-align: center;
    font-size: 0.82rem;
    font-weight: 600;
    margin-top: 10px;
    min-height: 20px;
}
.slide-success {
    color: #15803d;
}

/* Dark mode: slider */
[data-theme="dark"] .slide-track {
    background: #232840;
    border-color: #3d4560;
}
[data-theme="dark"] .slide-track.verified {
    border-color: #22c55e;
    background: #1a2d1a;
}
[data-theme="dark"] .slide-fill {
    background: linear-gradient(90deg, rgba(212,185,106,0.05), rgba(212,185,106,0.12));
}
[data-theme="dark"] .slide-track.verified .slide-fill {
    background: linear-gradient(90deg, rgba(34,197,94,0.08), rgba(34,197,94,0.15));
}
[data-theme="dark"] .slide-thumb {
    background: #d4b96a;
    box-shadow: 2px 0 8px rgba(0,0,0,0.4);
}
[data-theme="dark"] .slide-thumb .thumb-icon {
    color: #0f1a2e;
}
[data-theme="dark"] .slide-track.verified .slide-thumb {
    background: #22c55e;
}
[data-theme="dark"] .slide-track.verified .slide-thumb .thumb-icon {
    color: #fff;
}
[data-theme="dark"] .slide-text {
    color: #6b7280;
}
[data-theme="dark"] .slide-success {
    color: #22c55e;
}

/* === Register page variant === */
.register-form-card {
    max-width: 500px;
}

/* === Demo Credentials Box === */
.demo-credentials {
    margin-top: 16px;
    max-width: 460px;
    width: 100%;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-left: 4px solid var(--gold);
    padding: 14px 18px;
    font-size: 0.82rem;
    color: var(--gray-700);
}
.demo-credentials .demo-title {
    color: var(--navy);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 6px;
}
.demo-credentials .demo-label {
    font-family: var(--font-mono);
    color: var(--gray-600);
}

/* === Dark Mode === */
[data-theme="dark"] .login-page {
    background: #1a1e2a;
}

[data-theme="dark"] .login-left {
    background: linear-gradient(165deg, #080d18 0%, #0c1220 50%, #1a2d47 100%);
}

[data-theme="dark"] .login-right {
    background: #232840;
}

[data-theme="dark"] .login-form-card {
    background: #1e2235;
    border-color: #2e3450;
    border-top-color: #d4b96a;
}

[data-theme="dark"] .login-form-card h2 {
    color: #e8eaf0;
}

[data-theme="dark"] .login-form-card h2 .star {
    color: #d4b96a;
}

[data-theme="dark"] .login-security-warning {
    background: #2d2a1a;
    border-left-color: #eab308;
    color: #d0d4dd;
}

[data-theme="dark"] .login-security-warning strong {
    color: #eab308;
}

[data-theme="dark"] .demo-credentials {
    background: #1e2235;
    border-color: #2e3450;
    border-left-color: #d4b96a;
    color: #d0d4dd;
}

[data-theme="dark"] .demo-credentials .demo-title {
    color: #d4b96a;
}

[data-theme="dark"] .demo-credentials .demo-label {
    color: #9aa0ad;
}

/* === Responsive === */
@media (max-width: 900px) {
    .login-split {
        flex-direction: column;
    }
    .login-left {
        width: 100%;
        padding: 40px 24px;
    }
    .login-left .system-name { font-size: 1.3rem; }
    .login-left .system-abbr { font-size: 1.2rem; letter-spacing: 8px; }
    .login-right {
        padding: 32px 20px;
    }
}