/* Mastex SchoolOS — Auth & acquisition pages (login, register, password reset) */

.auth-body {
    position: relative;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    font-family: var(--font-sans);
    color: var(--text-primary);
}

.auth-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse 120% 70% at 100% -15%, rgba(34, 197, 94, 0.18), transparent 52%),
        radial-gradient(ellipse 90% 55% at -5% 55%, rgba(59, 130, 246, 0.14), transparent 48%),
        radial-gradient(ellipse 60% 40% at 50% 100%, rgba(168, 85, 247, 0.08), transparent 55%),
        radial-gradient(circle at top, #1e293b 0%, #0f172a 38%, #020617 100%);
}

.auth-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.55;
    background-image:
        linear-gradient(rgba(148, 163, 184, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, 0.04) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: radial-gradient(ellipse 75% 65% at 50% 28%, black 15%, transparent 70%);
}

.auth-layout {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    align-items: center;
    padding: clamp(1.25rem, 4vw, 2.75rem);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    max-width: 1100px;
    margin: 0 auto;
}

@media (min-width: 900px) {
    .auth-layout {
        grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
        gap: clamp(2rem, 5vw, 4rem);
    }
}

.auth-aside {
    padding: 0.25rem 0;
    animation: authFadeIn 0.65s var(--ease-out) 0.1s both;
}

@media (max-width: 899px) {
    .auth-aside {
        text-align: center;
        order: -1;
    }
}

.auth-lockup {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    text-decoration: none;
    color: inherit;
    margin-bottom: 1.25rem;
    transition: opacity var(--duration-normal);
}

.auth-lockup:hover {
    opacity: 0.92;
}

.auth-lockup-mark {
    width: 44px;
    height: 44px;
    border-radius: 0.95rem;
    background: radial-gradient(circle at 22% 0, #4ade80 0, #22c55e 38%, #16a34a 58%, #0f766e 88%);
    box-shadow:
        0 0 0 1px rgba(34, 197, 94, 0.35),
        0 12px 32px rgba(34, 197, 94, 0.38);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: #022c22;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.auth-lockup-text {
    display: flex;
    flex-direction: column;
    gap: 0.12rem;
    text-align: left;
}

@media (max-width: 899px) {
    .auth-lockup-text {
        text-align: left;
    }
}

.auth-lockup-title {
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.auth-lockup-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.auth-kicker {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--color-brand-400);
    margin: 0 0 0.65rem;
}

.auth-headline {
    font-size: clamp(1.65rem, 4.2vw, 2.4rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.035em;
    margin: 0 0 0.85rem;
    color: #f1f5f9;
}

@supports (background-clip: text) {
    .auth-headline {
        background: linear-gradient(135deg, #f8fafc 0%, #cbd5e1 45%, #94a3b8 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        -webkit-text-fill-color: transparent;
    }
}

.auth-lead {
    font-size: 0.98rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin: 0 0 1.35rem;
    max-width: 38ch;
}

@media (max-width: 899px) {
    .auth-lead {
        max-width: none;
        margin-left: auto;
        margin-right: auto;
    }
}

.auth-features {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.auth-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    text-align: left;
}

@media (max-width: 899px) {
    .auth-feature {
        text-align: left;
        max-width: 28rem;
        margin-left: auto;
        margin-right: auto;
    }
}

.auth-feature-icon {
    flex-shrink: 0;
    width: 1.55rem;
    height: 1.55rem;
    border-radius: 0.5rem;
    background: rgba(34, 197, 94, 0.12);
    border: 1px solid rgba(34, 197, 94, 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-brand-400);
    font-size: 0.82rem;
    line-height: 1;
}

.auth-main {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: authFadeIn 0.6s var(--ease-out) 0.2s both;
}

.login-card {
    width: 100%;
    max-width: 420px;
    border-radius: 1.15rem;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.04) 0%, transparent 42%),
        radial-gradient(circle at 0 0, rgba(148, 163, 184, 0.14) 0, rgba(15, 23, 42, 0.97) 48%);
    border: 1px solid rgba(148, 163, 184, 0.38);
    padding: clamp(1.35rem, 3vw, 1.85rem);
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.2),
        0 24px 56px rgba(0, 0, 0, 0.45),
        0 0 80px rgba(34, 197, 94, 0.06);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.login-card--wide {
    max-width: 520px;
}

.login-card .form-group {
    margin-bottom: 1rem;
}

.login-card .form-group label {
    display: block;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
    letter-spacing: 0.02em;
}

.login-card .form-group input {
    width: 100%;
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(148, 163, 184, 0.45);
    background: rgba(15, 23, 42, 0.75);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition:
        border-color var(--duration-normal),
        box-shadow var(--duration-normal),
        background var(--duration-normal);
}

.login-card .form-group input:hover {
    border-color: rgba(148, 163, 184, 0.55);
}

.login-card .form-group input:focus {
    outline: none;
    border-color: var(--color-brand-500);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.22);
    background: rgba(15, 23, 42, 0.92);
}

.login-card .form-group input.error {
    border-color: rgba(239, 68, 68, 0.65);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.login-card .btn.btn-primary {
    width: 100%;
    justify-content: center;
    margin-top: 0.25rem;
    padding-top: 0.7rem;
    padding-bottom: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: var(--shadow-brand);
}

.login-card .messages {
    margin-bottom: 1rem;
}

.login-card .message-box {
    padding: 0.65rem 0.75rem;
    border-radius: var(--radius-md);
    background: rgba(249, 115, 115, 0.12);
    color: #fca5a5;
    font-size: 0.84rem;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.login-card .message-box.success {
    background: rgba(34, 197, 94, 0.12);
    color: #86efac;
    border-color: rgba(34, 197, 94, 0.28);
}

.login-card .errorlist {
    color: #fca5a5;
    font-size: 0.82rem;
    margin: 0 0 0.5rem;
    padding: 0;
    list-style: none;
}

.auth-public-admission {
    margin-top: 1.15rem;
    padding: 0.9rem 1rem;
    border-radius: var(--radius-lg, 0.85rem);
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: rgba(15, 23, 42, 0.45);
}

.auth-public-admission-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.auth-public-admission-lead {
    margin: 0 0 0.75rem;
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

.auth-public-admission-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.auth-public-admission-actions .btn {
    flex: 1 1 auto;
    min-width: 8.5rem;
    justify-content: center;
    text-align: center;
}

.auth-card-footnote {
    margin-top: 1rem;
    font-size: 0.8rem;
    line-height: 1.55;
    color: var(--text-secondary);
}

.auth-card-footnote strong {
    color: var(--text-primary);
    font-weight: 600;
}

.auth-link-row {
    margin-top: 1.1rem;
    text-align: center;
}

.auth-link-row a {
    color: var(--color-brand-400);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: color var(--duration-fast);
}

.auth-link-row a:hover {
    color: var(--color-brand-400);
    text-decoration: underline;
}

.auth-trust {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    justify-content: center;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    max-width: 420px;
}

.auth-trust span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

.auth-trust span::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 999px;
    background: var(--color-brand-500);
    opacity: 0.85;
}

@keyframes authFadeIn {
    from {
        opacity: 0;
        transform: translateY(14px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .auth-aside,
    .auth-main {
        animation: none;
    }
}