/* ============================================================
   AUTH — tela de login split-screen (painel editorial + formulário)
   Carregada apenas por layouts/auth.php. Usa só tokens do Design
   System; nenhuma cor/tipografia nova.
   ============================================================ */

.auth {
    min-height: 100vh;
    min-height: 100dvh;
    display: grid;
    grid-template-columns: 1fr;
    background: var(--bg);
}

/* Desktop: duas colunas. O painel visual tem presença (um pouco maior),
   mas o formulário tem largura fixa confortável — não competem. */
@media (min-width: 60rem) {
    .auth {
        grid-template-columns: 1.15fr minmax(23rem, 30rem);
    }
}

/* ── Painel visual ── */
.auth-visual {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: flex;
    align-items: flex-end;
    min-height: clamp(15rem, 40vh, 22rem);   /* hero controlado no mobile */
    padding: var(--space-6);
}

@media (min-width: 60rem) {
    .auth-visual {
        min-height: 100dvh;
        padding: var(--space-10) var(--space-8) var(--space-8);
    }
}

.auth-visual__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -2;
    filter: saturate(0.97) contrast(1.02);
}

/* Overlay editorial — escurece a base para a frase, mantém o topo aberto.
   Sempre em tom quente escuro (a legenda é clara sobre a foto nos dois temas). */
.auth-visual::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(
            to top,
            rgba(26, 18, 16, 0.94) 0%,
            rgba(26, 18, 16, 0.62) 30%,
            rgba(26, 18, 16, 0.16) 58%,
            rgba(26, 18, 16, 0.34) 100%
        ),
        linear-gradient(to right, rgba(26, 18, 16, 0.42), transparent 44%);
}

/* ── Frase do pensador ── */
.auth-quote {
    max-width: 42ch;
    color: var(--brand-neutral-100);
}

.auth-quote__item {
    display: block;
}

/* [hidden] precisa vencer o display:block acima (estilo de autor > UA). */
.auth-quote__item[hidden] {
    display: none;
}

/* motion: a frase que sai fica absoluta para não empurrar o layout */
.auth-quote--animated { position: relative; }
.auth-quote--animated .auth-quote__item {
    transition: opacity var(--dur-3) var(--ease-out), transform var(--dur-3) var(--ease-out);
}
.auth-quote--animated .auth-quote__item[data-state="leaving"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(-0.6rem);
    pointer-events: none;
}
.auth-quote--animated .auth-quote__item[data-state="entering"] {
    opacity: 0;
    transform: translateY(0.6rem);
}

.auth-quote__text {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.45rem, 1rem + 1.9vw, 2.35rem);
    line-height: 1.32;
    letter-spacing: -0.005em;
    text-wrap: balance;
}

.auth-quote__text em {
    font-style: italic;
    font-weight: 600;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent); /* fallback */
}

.auth-quote__author {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: var(--space-4);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(244, 237, 232, 0.72);
}

.auth-quote__author::before {
    content: "";
    width: 1.75rem;
    height: 1px;
    flex-shrink: 0;
    background: var(--accent);
}

/* ── Painel do formulário ── */
.auth-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-8) var(--space-5) var(--space-7);
    background: var(--bg);
    position: relative;
}

@media (min-width: 60rem) {
    .auth-panel {
        padding: var(--space-8) clamp(var(--space-6), 4vw, var(--space-10));
        border-left: 1px solid var(--border-1);
    }
}

.auth-panel__inner {
    width: 100%;
    max-width: 24rem;
    margin-inline: auto;
}

.auth-brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.auth-brand__mark {
    display: inline-grid;
    place-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: var(--radius-md);
    background: var(--accent-soft);
    border: 1px solid var(--border-2);
    color: var(--accent);
    overflow: hidden;
}

.auth-brand__mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 4px;
}

.auth-brand__name {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: var(--text-md);
    line-height: 1.2;
    color: var(--text-1);
}

.auth-brand__sub {
    display: block;
    font-size: var(--text-xs);
    color: var(--text-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-top: 2px;
}

.auth-welcome {
    margin-bottom: var(--space-5);
}

.auth-welcome__eyebrow {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-2);
    margin-bottom: var(--space-2);
}

.auth-welcome__title {
    font-family: var(--font-display);
    font-weight: 300;
    font-size: clamp(1.7rem, 1.2rem + 1.4vw, 2.2rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
    color: var(--text-1);
}

.auth-welcome__title em {
    font-style: italic;
    font-weight: 600;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: var(--accent);
}

.auth-form .btn { margin-top: var(--space-2); }

/* ── Seletor de perfil (Aluno / Administrador) — discreto ── */
.profile-switch {
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--border-1);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.profile-switch__label {
    font-size: var(--text-xs);
    color: var(--text-3);
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.profile-switch__options {
    display: inline-flex;
    padding: 3px;
    border: 1px solid var(--border-1);
    border-radius: var(--radius-pill);
    background: var(--surface-3);
}

.profile-switch__opt {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.3rem 0.85rem;
    border-radius: var(--radius-pill);
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--text-3);
    text-decoration: none;
    transition: color var(--dur-1) var(--ease-out), background var(--dur-1) var(--ease-out);
}

.profile-switch__opt:hover { color: var(--text-2); }

.profile-switch__opt[aria-current="page"] {
    background: var(--accent-soft);
    color: var(--accent);
}

/* ── Alternador de tema no canto ── */
.auth-theme-toggle {
    position: fixed;
    top: var(--space-4);
    right: var(--space-4);
    z-index: 3;
}

@media (min-width: 60rem) {
    /* sobre o painel do formulário (fundo sólido) — evita concorrer com a foto */
    .auth-theme-toggle { top: var(--space-5); right: var(--space-5); }
}

/* ── Rodapé do painel ── */
.auth-foot {
    margin-top: var(--space-6);
    font-size: var(--text-xs);
    color: var(--text-3);
    text-align: center;
}

.auth-foot a { color: var(--text-2); }

/* ── Acessibilidade / movimento ── */
@media (prefers-reduced-motion: reduce) {
    .auth-quote--animated .auth-quote__item {
        transition: none;
    }
}