/**
 * SIARKUA Login Page
 */

.siarkua-login-body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    -webkit-font-smoothing: antialiased;
    background: #f4f7f5;
}

.siarkua-login-wrap {
    display: flex;
    min-height: 100vh;
}

/* ── Brand panel ── */
.siarkua-login-brand {
    flex: 1.05;
    background: linear-gradient(155deg, #0F5A28 0%, #1B7A3D 45%, #2E9B5A 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 48px 44px;
    position: relative;
    overflow: hidden;
}

.siarkua-login-brand-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.5) 0%, transparent 100%);
}

.siarkua-login-brand-glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.siarkua-login-brand-glow--top {
    top: -140px;
    right: -100px;
    width: 420px;
    height: 420px;
    background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
}

.siarkua-login-brand-glow--bottom {
    bottom: -120px;
    left: -80px;
    width: 340px;
    height: 340px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
}

.siarkua-login-brand-inner {
    position: relative;
    z-index: 1;
    animation: loginFadeUp 0.6s ease both;
}

.siarkua-login-brand-logo img,
.siarkua-login-brand-logo svg {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    object-fit: contain;
    background: rgba(255,255,255,0.12);
    padding: 8px;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}

.siarkua-login-brand-badge {
    display: inline-block;
    background: rgba(255,255,255,0.14);
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 14px;
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255,255,255,0.12);
}

.siarkua-login-brand h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin: 0 0 6px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.siarkua-login-brand-tagline {
    font-size: 1.05rem;
    opacity: 0.9;
    margin: 0 0 6px;
    font-weight: 500;
}

.siarkua-login-brand-institution {
    font-size: 0.92rem;
    opacity: 0.72;
    margin: 0 0 36px;
    line-height: 1.5;
}

.siarkua-login-features {
    list-style: none;
    margin: 0 0 32px;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.siarkua-login-features li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 14px 16px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 14px;
    backdrop-filter: blur(4px);
    transition: background 0.25s ease, transform 0.25s ease;
}

.siarkua-login-features li:hover {
    background: rgba(255,255,255,0.12);
    transform: translateX(4px);
}

.siarkua-login-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255,255,255,0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.siarkua-login-features li strong {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.siarkua-login-features li small {
    display: block;
    font-size: 0.78rem;
    opacity: 0.75;
    line-height: 1.4;
}

.siarkua-login-trust {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.siarkua-login-trust-item {
    flex: 1;
    min-width: 90px;
    padding: 12px 14px;
    background: rgba(0,0,0,0.12);
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.08);
}

.siarkua-login-trust-item strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.siarkua-login-trust-item span {
    font-size: 0.68rem;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.siarkua-login-brand-footer {
    position: relative;
    z-index: 1;
    font-size: 0.78rem;
    opacity: 0.55;
    letter-spacing: 0.02em;
}

/* ── Form panel ── */
.siarkua-login-panel {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 28px;
    background: #f4f7f5;
    position: relative;
    overflow: hidden;
}

.siarkua-login-panel-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 80% 20%, rgba(27,122,61,0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 20% 80%, rgba(27,122,61,0.04) 0%, transparent 50%);
    pointer-events: none;
}

.siarkua-login-panel-inner {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    animation: loginFadeUp 0.6s ease 0.1s both;
}

.siarkua-login-card {
    background: #fff;
    border-radius: 20px;
    padding: 36px 32px 28px;
    border: 1px solid rgba(27,122,61,0.08);
    box-shadow:
        0 1px 2px rgba(0,0,0,0.04),
        0 8px 32px rgba(27,122,61,0.08),
        0 24px 48px rgba(0,0,0,0.04);
}

.siarkua-login-compact-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid #f0f2f1;
}

.siarkua-login-compact-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    object-fit: contain;
    background: rgba(27,122,61,0.06);
    padding: 4px;
}

.siarkua-login-compact-label {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: #1B7A3D;
    letter-spacing: -0.01em;
}

.siarkua-login-compact-sub {
    display: block;
    font-size: 0.78rem;
    color: #6c757d;
    margin-top: 2px;
}

.siarkua-login-header {
    margin-bottom: 28px;
    text-align: center;
}

.siarkua-login-header-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(27,122,61,0.1), rgba(46,155,90,0.15));
    color: #1B7A3D;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.siarkua-login-header h2 {
    margin: 0 0 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.02em;
}

.siarkua-login-header p {
    margin: 0;
    color: #6c757d;
    font-size: 0.88rem;
    line-height: 1.55;
}

/* ── Fields ── */
.siarkua-login-field {
    margin-bottom: 18px;
}

.siarkua-login-field label {
    display: block;
    margin-bottom: 7px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #374151;
}

.siarkua-login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    border-radius: 12px;
    transition: box-shadow 0.2s ease;
}

.siarkua-login-input-wrap:focus-within {
    box-shadow: 0 0 0 3px rgba(27, 122, 61, 0.12);
}

.siarkua-login-input-wrap > svg:first-child {
    position: absolute;
    left: 14px;
    pointer-events: none;
    color: #adb5bd;
    transition: color 0.2s;
}

.siarkua-login-input-wrap:focus-within > svg:first-child {
    color: #1B7A3D;
}

.siarkua-login-input-wrap input {
    width: 100%;
    padding: 14px 44px 14px 42px;
    border: 1.5px solid #e5e9ec;
    border-radius: 12px;
    font-size: 0.94rem;
    color: #1a1a2e;
    background: #fafbfa;
    transition: border-color 0.2s, background 0.2s;
    box-sizing: border-box;
    font-family: inherit;
}

.siarkua-login-input-wrap input::placeholder {
    color: #b0b8c0;
}

.siarkua-login-input-wrap input:hover {
    border-color: #cdd3d9;
    background: #fff;
}

.siarkua-login-input-wrap input:focus {
    outline: none;
    border-color: #1B7A3D;
    background: #fff;
}

.siarkua-login-input-wrap input.error {
    border-color: #e74c3c;
    background: #fff8f8;
}

.siarkua-login-input-wrap:has(input.error) {
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.siarkua-login-toggle-pw {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    cursor: pointer;
    color: #adb5bd;
    padding: 6px;
    display: flex;
    border-radius: 8px;
    transition: color 0.2s, background 0.2s;
}

.siarkua-login-toggle-pw:hover {
    color: #1B7A3D;
    background: rgba(27,122,61,0.06);
}

.siarkua-login-toggle-pw.is-visible {
    color: #1B7A3D;
}

/* ── Options ── */
.siarkua-login-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
    font-size: 0.84rem;
    gap: 12px;
}

.siarkua-login-remember {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: #495057;
    position: relative;
    user-select: none;
}

.siarkua-login-remember input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.siarkua-login-checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid #d0d5db;
    border-radius: 5px;
    flex-shrink: 0;
    transition: all 0.2s ease;
    position: relative;
}

.siarkua-login-remember input:checked + .siarkua-login-checkmark {
    background: #1B7A3D;
    border-color: #1B7A3D;
}

.siarkua-login-remember input:checked + .siarkua-login-checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid #fff;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.siarkua-login-forgot {
    color: #1B7A3D;
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
}

.siarkua-login-forgot:hover {
    text-decoration: underline;
    color: #156B32;
}

/* ── Alert ── */
.siarkua-login-alert {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 0.84rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 1.45;
}

.siarkua-login-alert.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    animation: loginShake 0.4s ease;
}

.siarkua-login-alert.success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #15803d;
}

@keyframes loginShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-4px); }
    75% { transform: translateX(4px); }
}

/* ── Button ── */
.siarkua-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
    text-decoration: none;
    line-height: 1.4;
    width: 100%;
    font-family: inherit;
}

.siarkua-login-btn--primary {
    background: linear-gradient(135deg, #1B7A3D 0%, #2E9B5A 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(27, 122, 61, 0.28);
}

.siarkua-login-btn--primary .btn-arrow {
    transition: transform 0.25s ease;
}

.siarkua-login-btn--primary:hover:not(:disabled) {
    background: linear-gradient(135deg, #156B32 0%, #1B7A3D 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(27, 122, 61, 0.35);
    color: #fff;
}

.siarkua-login-btn--primary:hover:not(:disabled) .btn-arrow {
    transform: translateX(3px);
}

.siarkua-login-btn--primary:disabled {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
}

.siarkua-login-btn--primary:disabled .btn-arrow {
    display: none;
}

.siarkua-login-btn--ghost {
    background: #f4f6f9;
    color: #495057;
    border: 1.5px solid #e0e4e8;
    width: auto;
}

.siarkua-login-btn--ghost:hover {
    background: #e9ecef;
    color: #1a1a2e;
}

.siarkua-login-btn--text {
    background: none;
    color: #6c757d;
    width: auto;
    padding: 8px 16px;
    font-size: 0.85rem;
}

.siarkua-login-btn--text:hover { color: #e74c3c; }

.siarkua-login-spinner {
    animation: loginSpin 0.8s linear infinite;
}

@keyframes loginSpin {
    to { transform: rotate(360deg); }
}

/* ── Divider & quick links ── */
.siarkua-login-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 24px 0 18px;
    color: #adb5bd;
    font-size: 0.78rem;
}

.siarkua-login-divider::before,
.siarkua-login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #eef1f0;
}

.siarkua-login-quick-links {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.siarkua-login-quick-link {
    flex: 1;
    min-width: calc(50% - 5px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 11px 14px;
    border-radius: 10px;
    background: #f8faf9;
    border: 1px solid #eef1f0;
    color: #495057;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.siarkua-login-quick-link:hover {
    border-color: rgba(27,122,61,0.25);
    color: #1B7A3D;
    background: rgba(27,122,61,0.04);
}

.siarkua-login-quick-link svg {
    flex-shrink: 0;
    opacity: 0.7;
}

/* ── Footer ── */
.siarkua-login-footer {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid #f0f2f1;
    text-align: center;
    font-size: 0.78rem;
    color: #adb5bd;
}

.siarkua-login-footer p { margin: 0; }
.siarkua-login-footer strong { color: #6c757d; font-weight: 600; }

/* ── Welcome (logged in) ── */
.siarkua-login-welcome {
    text-align: center;
    padding: 48px 32px;
    background: #fff;
    border-radius: 20px;
    border: 1px solid rgba(27,122,61,0.08);
    box-shadow: 0 8px 32px rgba(27,122,61,0.08);
}

.siarkua-login-welcome-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(27,122,61,0.08), rgba(46,155,90,0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.siarkua-login-welcome h3 {
    margin: 0 0 8px;
    color: #1a1a2e;
    font-size: 1.25rem;
}

.siarkua-login-welcome p {
    color: #6c757d;
    margin: 0 0 24px;
    font-size: 0.9rem;
}

.siarkua-login-welcome-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.siarkua-login-welcome-actions .siarkua-login-btn {
    width: auto;
    min-width: 140px;
}

/* ── Compact / inline ── */
.siarkua-login-wrap--compact,
.siarkua-login-wrap--inline {
    min-height: auto;
}

.siarkua-login-wrap--compact .siarkua-login-panel,
.siarkua-login-wrap--inline {
    background: transparent;
    padding: 0;
}

.siarkua-login-wrap--compact .siarkua-login-panel-bg {
    display: none;
}

.siarkua-login-wrap--compact .siarkua-login-panel-inner {
    max-width: 420px;
}

.siarkua-login-wrap--inline .siarkua-login-welcome {
    margin: 0;
}

/* ── Animations ── */
@keyframes loginFadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .siarkua-login-wrap {
        flex-direction: column;
    }

    .siarkua-login-brand {
        padding: 36px 28px 32px;
        flex: none;
    }

    .siarkua-login-brand h1 {
        font-size: 2rem;
    }

    .siarkua-login-features {
        margin-bottom: 24px;
    }

    .siarkua-login-trust {
        display: none;
    }

    .siarkua-login-panel {
        padding: 28px 20px 36px;
    }

    .siarkua-login-card {
        padding: 28px 24px 22px;
        border-radius: 18px;
    }
}

@media (max-width: 480px) {
    .siarkua-login-features li {
        padding: 12px 14px;
    }

    .siarkua-login-quick-link {
        min-width: 100%;
    }

    .siarkua-login-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}