/* SIGNAU — páginas de autenticação (/accounts/login/, recuperação de senha) */

:root {
    --signau-navy: #0c2d48;
    --signau-sea: #1a6fa8;
    --signau-sky: #4da3e0;
    --signau-accent: #38bdf8;
    --signau-foam: #f0f7fc;
    --signau-text: #1e293b;
    --signau-muted: #64748b;
    --signau-border: #dbe3ec;
    --signau-radius: 14px;
    --signau-shadow: 0 4px 6px rgba(12, 45, 72, 0.04), 0 20px 50px rgba(12, 45, 72, 0.12);
}

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

.signau-auth-page {
    margin: 0;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--signau-foam);
    color: var(--signau-text);
    -webkit-font-smoothing: antialiased;
}

.signau-auth-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    min-height: 100vh;
}

/* —— Hero —— */
.signau-auth-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem 4.5rem;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 20% 10%, rgba(56, 189, 248, 0.35) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% 80%, rgba(26, 111, 168, 0.4) 0%, transparent 50%),
        linear-gradient(155deg, #071f33 0%, var(--signau-navy) 35%, #145a8a 65%, var(--signau-sea) 100%);
    color: #fff;
}

.signau-auth-hero-mesh {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, #000 20%, transparent 75%);
    pointer-events: none;
}

.signau-auth-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 34rem;
    text-align: center;
    animation: signau-auth-fade-up 0.7s ease-out both;
}

@keyframes signau-auth-fade-up {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.signau-auth-hero-logo {
    width: 280px;
    height: 280px;
    max-width: 78vw;
    object-fit: contain;
    margin-bottom: 1.75rem;
    padding: 1.35rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.75);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.22);
}

.signau-auth-hero-badge {
    width: 4.75rem;
    height: 4.75rem;
    margin: 0 auto 1.5rem;
    border-radius: 1.35rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.85rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.signau-auth-hero-title {
    margin: 0 0 0.75rem;
    max-width: min(100%, 36rem);
    margin-left: auto;
    margin-right: auto;
    font-size: clamp(0.9rem, 1.7vw, 1.2rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.signau-auth-hero-school {
    margin: 0 auto;
    max-width: min(100%, 34rem);
    font-size: 1.05rem;
    line-height: 1.55;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.82);
}

.signau-auth-product-desc {
    margin: 0 0 0.75rem;
    font-size: clamp(1rem, 2.2vw, 1.15rem);
    font-weight: 600;
    line-height: 1.45;
    letter-spacing: -0.01em;
    color: var(--signau-navy);
}

.signau-auth-hero-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
    margin-top: 2rem;
    padding: 0;
    list-style: none;
}

.signau-auth-hero-features li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.85rem;
    font-size: 0.78rem;
    font-weight: 500;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(6px);
}

.signau-auth-hero-features i {
    font-size: 0.72rem;
    opacity: 0.9;
}

.signau-auth-hero-wave {
    display: none;
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 72px;
    color: #f8fafc;
    pointer-events: none;
}

/* —— Painel do formulário —— */
.signau-auth-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.5rem 1.5rem;
    background: linear-gradient(180deg, #f8fafc 0%, var(--signau-foam) 100%);
}

.signau-auth-card {
    position: relative;
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 20px;
    padding: 2.5rem 2.15rem 2.15rem;
    box-shadow:
        0 1px 2px rgba(12, 45, 72, 0.04),
        0 8px 24px rgba(12, 45, 72, 0.08),
        0 24px 48px rgba(12, 45, 72, 0.06);
    border: 1px solid var(--signau-border);
    animation: signau-auth-fade-up 0.7s ease-out 0.1s both;
    overflow: hidden;
}

.signau-auth-card-accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--signau-sky), var(--signau-sea), var(--signau-navy));
}

.signau-auth-card-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.35rem;
    text-align: center;
}

.signau-auth-card-logo {
    width: 7.5rem;
    height: 7.5rem;
    object-fit: contain;
    flex-shrink: 0;
}

.signau-auth-card-logo-main {
    width: min(100%, 17rem);
    height: auto;
    max-height: 11rem;
}

.signau-auth-school-name {
    margin: 0;
    font-size: 0.95rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--signau-navy);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.signau-auth-card-brand .signau-auth-title {
    margin-bottom: 0.2rem;
    font-size: 1.35rem;
}

.signau-auth-card-brand .signau-auth-product-desc {
    margin-bottom: 0.35rem;
    font-size: 0.95rem;
}

.signau-auth-card-brand .signau-auth-lead {
    margin-bottom: 0;
    font-size: 0.86rem;
}

.signau-auth-title {
    margin: 0 0 0.35rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--signau-navy);
    letter-spacing: -0.03em;
}

.signau-auth-lead {
    margin: 0 0 1.85rem;
    font-size: 0.94rem;
    line-height: 1.55;
    color: var(--signau-muted);
}

.signau-auth-field {
    margin-bottom: 1.2rem;
    animation: signau-auth-fade-up 0.55s ease-out both;
    animation-delay: 0.05s;
}

.signau-auth-field + .signau-auth-field {
    animation-delay: 0.12s;
}

.signau-auth-captcha {
    animation-delay: 0.19s;
}

.signau-auth-captcha-wrap {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.signau-auth-captcha-image {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.signau-auth-captcha-image input[type="hidden"] {
    display: none;
}

.signau-auth-captcha-image img.captcha {
    display: block;
    height: 50px;
    border-radius: 10px;
    border: 1.5px solid var(--signau-border);
    background: #f8fafc;
}

.signau-auth-captcha-image input[type="text"].form-control {
    flex: 1;
    min-width: 0;
    height: 3.05rem;
    padding: 0.65rem 1rem;
    border: 1.5px solid var(--signau-border);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--signau-text);
    background: #f8fafc;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.signau-auth-captcha-image input[type="text"].form-control:focus {
    outline: none;
    border-color: var(--signau-sky);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(77, 163, 224, 0.2);
}

.signau-auth-captcha-refresh {
    flex-shrink: 0;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1.5px solid var(--signau-border);
    border-radius: 10px;
    background: #f8fafc;
    color: var(--signau-sea);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.signau-auth-captcha-refresh:hover {
    color: var(--signau-navy);
    background: rgba(26, 111, 168, 0.08);
    border-color: var(--signau-sky);
}

.signau-auth-captcha-refresh.is-loading i {
    animation: signau-captcha-spin 0.8s linear infinite;
}

.signau-auth-captcha-refresh.is-error {
    border-color: #f87171;
    color: #b91c1c;
    background: #fef2f2;
}

@keyframes signau-captcha-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

.signau-auth-field label {
    display: block;
    margin-bottom: 0.45rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: #334155;
    letter-spacing: 0.01em;
}

.signau-auth-input-wrap {
    position: relative;
}

.signau-auth-input-wrap .form-control {
    display: block;
    width: 100%;
    height: 3.05rem;
    padding: 0.65rem 2.75rem 0.65rem 2.75rem;
    border: 1.5px solid var(--signau-border);
    border-radius: 12px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--signau-text);
    background: #f8fafc;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.signau-auth-input-wrap .form-control::placeholder {
    color: #94a3b8;
}

.signau-auth-input-wrap .form-control:focus {
    outline: none;
    border-color: var(--signau-sky);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(77, 163, 224, 0.2);
}

.signau-auth-input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 0.9rem;
    pointer-events: none;
    transition: color 0.2s ease;
}

.signau-auth-input-wrap:focus-within .signau-auth-input-icon {
    color: var(--signau-sea);
}

.signau-auth-toggle-pw {
    position: absolute;
    right: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.signau-auth-toggle-pw:hover {
    color: var(--signau-sea);
    background: rgba(26, 111, 168, 0.08);
}

.signau-auth-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    height: 3.05rem;
    margin-top: 0.5rem;
    padding: 0 1.25rem;
    border: none;
    border-radius: 12px;
    font-size: 0.98rem;
    font-weight: 600;
    font-family: inherit;
    color: #fff;
    cursor: pointer;
    background: linear-gradient(135deg, var(--signau-sky) 0%, var(--signau-sea) 45%, var(--signau-navy) 100%);
    background-size: 200% 200%;
    box-shadow: 0 10px 28px rgba(26, 111, 168, 0.32);
    transition: transform 0.15s ease, box-shadow 0.15s ease, background-position 0.35s ease, opacity 0.15s ease;
}

.signau-auth-submit-spinner {
    display: none;
}

.signau-auth-submit.is-loading {
    pointer-events: none;
    opacity: 0.88;
}

.signau-auth-submit.is-loading .signau-auth-submit-icon {
    display: none;
}

.signau-auth-submit.is-loading .signau-auth-submit-spinner {
    display: inline-block;
}

.signau-auth-submit:hover,
.signau-auth-submit:focus {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 14px 32px rgba(26, 111, 168, 0.38);
    background-position: 100% 0;
    outline: none;
}

.signau-auth-submit:active {
    transform: translateY(0);
}

.signau-auth-footer-link {
    margin-top: 1.4rem;
    text-align: center;
    font-size: 0.9rem;
}

.signau-auth-footer-link a,
.signau-auth-link {
    color: var(--signau-sea);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s ease;
}

.signau-auth-footer-link a:hover,
.signau-auth-link:hover {
    color: var(--signau-navy);
    text-decoration: underline;
}

.signau-auth-alert {
    margin-bottom: 1.25rem;
    padding: 0.9rem 1rem;
    border-radius: 12px;
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #b91c1c;
    font-size: 0.88rem;
}

.signau-auth-alert p {
    margin: 0;
}

.signau-auth-alert p + p {
    margin-top: 0.35rem;
}

.signau-auth-callout {
    margin-bottom: 1.25rem;
    padding: 0.95rem 1.05rem;
    border-radius: 12px;
    font-size: 0.88rem;
    line-height: 1.5;
}

.signau-auth-callout p {
    margin: 0;
}

.signau-auth-callout p + p {
    margin-top: 0.5rem;
}

.signau-auth-callout--warning {
    border: 1px solid #fde68a;
    background: #fffbeb;
    color: #92400e;
}

.signau-auth-callout--success {
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: #166534;
}

.signau-auth-callout--danger {
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

.signau-auth-callout code {
    font-size: 0.82em;
    padding: 0.1em 0.35em;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.06);
}

.signau-auth-btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 1rem;
    border-radius: 9px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: var(--signau-sea);
    text-decoration: none;
    transition: background-color 0.15s ease;
}

.signau-auth-btn-secondary:hover {
    background: var(--signau-navy);
    color: #fff;
}

.signau-auth-copy {
    margin: 1.35rem 0 0;
    font-size: 0.78rem;
    color: #94a3b8;
}

.signau-auth-muted {
    margin: 0 0 1.25rem;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--signau-muted);
}

.signau-auth-muted--small {
    font-size: 0.82rem;
}

.signau-auth-heading-legacy {
    margin: 0 0 0.35rem;
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--signau-navy);
}

.signau-auth-text-center {
    text-align: center;
}

@media (max-width: 960px) {
    .signau-auth-layout {
        grid-template-columns: 1fr;
    }

    .signau-auth-hero {
        min-height: auto;
        padding: 2rem 1.5rem 2.75rem;
    }

    .signau-auth-hero-wave {
        display: block;
    }

    .signau-auth-hero-logo {
        width: 150px;
        height: 150px;
        margin-bottom: 1rem;
        padding: 0.85rem;
    }

    .signau-auth-hero-title {
        font-size: 1rem;
    }

    .signau-auth-hero-school {
        max-width: none;
        padding: 0 0.25rem;
        font-size: 0.95rem;
        line-height: 1.5;
    }

    .signau-auth-product-desc {
        font-size: 0.92rem;
        line-height: 1.45;
    }

    .signau-auth-hero-features {
        margin-top: 1.1rem;
    }


    .signau-auth-panel {
        margin-top: -1.25rem;
        padding: 0 1rem 2rem;
        position: relative;
        z-index: 1;
    }

    .signau-auth-card {
        padding: 1.85rem 1.4rem 1.6rem;
        border-radius: 16px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .signau-auth-hero-inner,
    .signau-auth-card,
    .signau-auth-field {
        animation: none;
    }

    .signau-auth-submit {
        transition: none;
    }
}