/* Cerberus — Login */

:root {
    --login-bg: #0b1120;
    --login-bg-accent: #151d35;
    --login-surface: #ffffff;
    --login-text: #0f172a;
    --login-muted: #64748b;
    --login-border: #e2e8f0;
    --login-primary: #4f46e5;
    --login-primary-hover: #4338ca;
    --login-primary-soft: rgba(79, 70, 229, 0.12);
    --login-glow: rgba(99, 102, 241, 0.35);
    --login-gold: #c4b5fd;
    --login-radius: 14px;
    --login-shadow: 0 24px 64px rgba(15, 23, 42, 0.12);
    --login-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

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

body.login-body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--login-font);
    background: var(--login-bg);
    color: var(--login-text);
    -webkit-font-smoothing: antialiased;
}

.login-page {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    min-height: 100vh;
}

/* —— Brand panel —— */
.login-brand {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 3rem clamp(2rem, 5vw, 4rem);
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(99, 102, 241, 0.22), transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 90%, rgba(139, 92, 246, 0.14), transparent 55%),
        linear-gradient(160deg, #0b1120 0%, #151d35 45%, #1a1040 100%);
    color: #f8fafc;
}

.login-brand::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 85%);
    pointer-events: none;
}

.login-brand__glow {
    position: absolute;
    top: 12%;
    right: -8%;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--login-glow) 0%, transparent 70%);
    filter: blur(8px);
    animation: loginPulse 8s ease-in-out infinite;
    pointer-events: none;
}

@keyframes loginPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.85; transform: scale(1.08); }
}

.login-brand__content {
    position: relative;
    z-index: 1;
    max-width: 480px;
}

.login-brand__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 2.5rem;
    text-decoration: none;
    color: inherit;
}

.login-brand__icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.35), rgba(139, 92, 246, 0.2));
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    font-size: 1.35rem;
    color: #e0e7ff;
}

.login-brand__name {
    font-size: 1.65rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.1;
}

.login-brand__name span {
    display: block;
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--login-gold);
    margin-top: 0.2rem;
}

.login-brand__headline {
    font-size: clamp(1.75rem, 3vw, 2.35rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.login-brand__headline em {
    font-style: normal;
    background: linear-gradient(90deg, #c4b5fd, #818cf8);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.login-brand__desc {
    margin: 0 0 2.25rem;
    font-size: 1.02rem;
    line-height: 1.65;
    color: rgba(226, 232, 240, 0.78);
}

.login-features {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.login-features__item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.07);
    backdrop-filter: blur(8px);
    font-size: 0.92rem;
    color: rgba(241, 245, 249, 0.92);
    transition: background 0.2s ease, border-color 0.2s ease;
}

.login-features__item i {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    background: rgba(99, 102, 241, 0.18);
    color: #a5b4fc;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.login-brand__footer {
    position: relative;
    z-index: 1;
    font-size: 0.8rem;
    color: rgba(148, 163, 184, 0.7);
}

/* —— Form panel —— */
.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem clamp(1.25rem, 4vw, 3rem);
    background: #f8fafc;
}

.login-form-panel__inner {
    width: 100%;
    max-width: 420px;
    animation: loginSlideIn 0.65s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes loginSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-form-card {
    background: var(--login-surface);
    border-radius: calc(var(--login-radius) + 4px);
    box-shadow: var(--login-shadow);
    border: 1px solid rgba(226, 232, 240, 0.9);
    padding: clamp(1.75rem, 4vw, 2.5rem);
}

.login-form-card__mobile-logo {
    display: none;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.5rem;
    color: var(--login-primary);
    font-weight: 700;
    font-size: 1.15rem;
}

.login-form-card__mobile-logo i {
    font-size: 1.25rem;
}

.login-form-card__title {
    margin: 0 0 0.35rem;
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--login-text);
}

.login-form-card__subtitle {
    margin: 0 0 1.75rem;
    font-size: 0.95rem;
    color: var(--login-muted);
    line-height: 1.5;
}

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    margin-bottom: 1.25rem;
    border-radius: 10px;
    font-size: 0.875rem;
    line-height: 1.45;
}

.login-alert--error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.login-alert i {
    margin-top: 0.1rem;
    flex-shrink: 0;
}

.login-field {
    margin-bottom: 1.15rem;
}

.login-field__label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: #334155;
}

.login-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.login-input-wrap__icon {
    position: absolute;
    left: 1rem;
    color: #94a3b8;
    font-size: 0.95rem;
    pointer-events: none;
    transition: color 0.2s ease;
}

.login-input {
    width: 100%;
    height: 48px;
    padding: 0 2.75rem 0 2.65rem;
    border: 1.5px solid var(--login-border);
    border-radius: var(--login-radius);
    background: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--login-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-input::placeholder {
    color: #94a3b8;
}

.login-input:hover {
    border-color: #cbd5e1;
}

.login-input:focus {
    outline: none;
    border-color: var(--login-primary);
    box-shadow: 0 0 0 4px var(--login-primary-soft);
}

.login-input-wrap:focus-within .login-input-wrap__icon {
    color: var(--login-primary);
}

.login-input-wrap__toggle {
    position: absolute;
    right: 0.65rem;
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    transition: color 0.2s ease, background 0.2s ease;
}

.login-input-wrap__toggle:hover {
    color: var(--login-primary);
    background: var(--login-primary-soft);
}

.login-input.is-invalid {
    border-color: #ef4444;
}

.login-field__error {
    margin-top: 0.4rem;
    font-size: 0.8rem;
    color: #dc2626;
}

.login-submit {
    width: 100%;
    height: 50px;
    margin-top: 0.5rem;
    border: none;
    border-radius: var(--login-radius);
    background: linear-gradient(135deg, var(--login-primary) 0%, #6366f1 100%);
    color: #fff;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 8px 24px rgba(79, 70, 229, 0.32);
    transition: transform 0.15s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.login-submit:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 12px 28px rgba(79, 70, 229, 0.38);
}

.login-submit:active:not(:disabled) {
    transform: translateY(0);
}

.login-submit:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

.login-submit__spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    border-radius: 50%;
    animation: loginSpin 0.7s linear infinite;
    display: none;
}

.login-submit__spinner.is-visible {
    display: block;
}

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

.login-form-card__footnote {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--login-border);
    text-align: center;
    font-size: 0.8rem;
    color: var(--login-muted);
    line-height: 1.5;
}

.login-form-card__footnote i {
    color: var(--login-primary);
    margin-right: 0.25rem;
}

/* —— Responsive —— */
@media (max-width: 960px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-brand {
        display: none;
    }

    .login-form-panel {
        min-height: 100vh;
        background:
            radial-gradient(ellipse 80% 50% at 50% -10%, rgba(99, 102, 241, 0.08), transparent 60%),
            #f8fafc;
    }

    .login-form-card__mobile-logo {
        display: flex;
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-brand__glow,
    .login-form-panel__inner,
    .login-submit__spinner {
        animation: none;
    }

    .login-submit:hover:not(:disabled) {
        transform: none;
    }
}