/*
 * Signed-out screens (BRD 40.8). A dark product panel on the left, the sign-in
 * card on the right. Everything reads from tokens.css.
 */

.auth-body {
    margin: 0;
    min-height: 100vh;
    background: var(--primary-900);
}

.auth-split {
    display: grid;
    grid-template-columns: 1fr minmax(420px, 640px);
    min-height: 100vh;
}

/* ============================== Left panel ============================= */

.auth-panel {
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--space-4xl);
    padding: var(--space-5xl);
    color: var(--text-on-dark);
    background:
        radial-gradient(1100px 700px at 78% 42%, rgba(130, 97, 232, 0.38), transparent 62%),
        linear-gradient(150deg, #241c52 0%, #1b1740 55%, #171339 100%);
}

/* A faint starfield, drawn from gradients so the page carries no image weight. */
.auth-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(1.6px 1.6px at 12% 18%, rgba(255, 255, 255, 0.55), transparent),
        radial-gradient(1.6px 1.6px at 68% 9%, rgba(255, 255, 255, 0.40), transparent),
        radial-gradient(1.4px 1.4px at 84% 30%, rgba(255, 255, 255, 0.45), transparent),
        radial-gradient(1.4px 1.4px at 26% 62%, rgba(255, 255, 255, 0.35), transparent),
        radial-gradient(1.6px 1.6px at 46% 88%, rgba(255, 255, 255, 0.40), transparent),
        radial-gradient(1.4px 1.4px at 92% 74%, rgba(255, 255, 255, 0.30), transparent),
        radial-gradient(1.4px 1.4px at 8% 84%, rgba(255, 255, 255, 0.30), transparent);
    pointer-events: none;
}

.auth-panel > * { position: relative; z-index: 1; }

.auth-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-h2);
    font-weight: var(--weight-bold);
    letter-spacing: -0.01em;
    color: var(--white);
}

.auth-brand__mark { color: var(--gold-500); }
.auth-brand__muted { color: var(--text-on-dark-muted); font-weight: var(--weight-medium); }

.auth-panel__body {
    flex: 1 1 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    gap: var(--space-4xl);
    align-items: center;
}

.auth-headline {
    font-size: clamp(2.25rem, 3.4vw, 3.5rem);
    font-weight: var(--weight-bold);
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--white);
    margin-bottom: var(--space-lg);
}

.auth-headline em { font-style: normal; color: var(--primary-500); }

.auth-lede {
    color: var(--text-on-dark-muted);
    font-size: var(--text-body-lg);
    max-width: 46ch;
    margin-bottom: var(--space-3xl);
}

/* --- Module tiles --- */
.auth-tiles {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--space-md);
    max-width: 640px;
}

.auth-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-xl) var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: var(--radius-card);
    background: rgba(255, 255, 255, 0.045);
    color: var(--text-on-dark);
    font-size: var(--text-small);
    font-weight: var(--weight-medium);
    text-align: center;
    transition: background var(--motion-fast) var(--easing), border-color var(--motion-fast) var(--easing);
}

.auth-tile:hover { background: rgba(255, 255, 255, 0.08); border-color: rgba(255, 255, 255, 0.20); }
.auth-tile .icon { color: var(--primary-500); }

/* --- Decorative illustration --- */
.auth-art { width: 100%; height: auto; max-width: 460px; margin-inline: auto; }

/* --- Trust strip --- */
.auth-trust {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: var(--radius-card);
    background: rgba(255, 255, 255, 0.04);
    overflow: hidden;
}

.auth-trust__item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg) var(--space-xl);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.auth-trust__item:first-child { border-left: 0; }

.auth-trust__icon {
    width: 34px;
    height: 34px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(130, 97, 232, 0.30);
    color: var(--white);
}

.auth-trust__title { color: var(--white); font-weight: var(--weight-semibold); }
.auth-trust__text { color: var(--text-on-dark-muted); font-size: var(--text-small); }

.auth-copyright { color: var(--text-on-dark-muted); font-size: var(--text-small); }

/* ============================== Right card ============================= */

.auth-card {
    background: var(--surface-raised);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-5xl) var(--space-4xl);
}

.auth-form { width: 100%; max-width: 400px; }

.auth-form__badge {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-xl);
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--primary-50);
    color: var(--primary-700);
}

.auth-form__title {
    font-size: var(--text-h2);
    font-weight: var(--weight-bold);
    text-align: center;
    margin-bottom: var(--space-xs);
}

.auth-form__subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--space-3xl);
}

.auth-form .form-label {
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: var(--text-caption);
    font-weight: var(--weight-bold);
    color: var(--text-secondary);
}

/* Input with a leading icon, and optionally a trailing control. */
.auth-input { position: relative; }

.auth-input > .icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.auth-input .form-control {
    min-height: 46px;
    padding-left: var(--space-4xl);
    background: var(--grey-50);
}

.auth-input .form-control:focus { background: var(--surface-raised); }
.auth-input--with-action .form-control { padding-right: var(--space-4xl); }

.auth-input__action {
    position: absolute;
    right: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    width: 34px;
    height: 34px;
    display: grid;
    place-items: center;
    border: 0;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.auth-input__action:hover { color: var(--primary-700); background: var(--grey-100); }

.auth-form__row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.auth-form__submit { width: 100%; min-height: 48px; font-size: var(--text-body-lg); }

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-2xl) 0;
    color: var(--text-muted);
    font-size: var(--text-caption);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    flex: 1 1 auto;
    height: 1px;
    background: var(--border-subtle);
}

.auth-note {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-lg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-input);
    background: var(--grey-50);
    color: var(--text-secondary);
    font-size: var(--text-small);
}

.auth-note .icon { color: var(--primary-600); flex: 0 0 auto; }

.auth-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: var(--space-xl);
    border-radius: var(--radius-input);
    border-left: 4px solid var(--error-600);
    background: var(--error-100);
    color: var(--error-700);
    font-size: var(--text-small);
}

/* ============================== Responsive ============================= */

@media (max-width: 1200px) {
    .auth-panel__body { grid-template-columns: minmax(0, 1fr); }
    .auth-art { display: none; }
    .auth-tiles { grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: none; }
}

@media (max-width: 992px) {
    .auth-split { grid-template-columns: minmax(0, 1fr); }

    /* The panel becomes a header above the form rather than a second column. */
    .auth-panel { padding: var(--space-3xl); gap: var(--space-2xl); }
    .auth-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .auth-trust { grid-template-columns: minmax(0, 1fr); }
    .auth-trust__item { border-left: 0; border-top: 1px solid rgba(255, 255, 255, 0.08); }
    .auth-trust__item:first-child { border-top: 0; }
    .auth-card { border-radius: 0; padding: var(--space-3xl) var(--space-xl); }
}

@media (max-width: 640px) {
    .auth-panel { padding: var(--space-xl); }
    .auth-tiles { display: none; }
}