/* ==========================================================================
   Ensalamento — Folha de Estilos de Autenticação / Login
   Design clean, sóbrio e moderno (sem efeitos neon ou glows artificiais)
   Suporta Modo Claro e Modo Escuro via tokens CSS nativos
   ========================================================================== */

:root {
    color-scheme: light;

    /* Cores Oficiais da Marca Ensalamento (Modo Claro) */
    --primary: #5b45e0;
    --primary-hover: #4a34d0;
    --primary-foreground: #ffffff;
    --primary-soft: #efedfd;

    --background: #f6f6fb;
    --foreground: #16152b;

    --card: #ffffff;
    --card-border: #e3e2ef;
    --card-shadow: 0 4px 16px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);

    --text: #16152b;
    --muted: #5e5c78;
    --muted-surface: #eeedf6;
    --border: #e3e2ef;

    --input-bg: #ffffff;
    --input-border: #dcdbea;
    --input-text: #16152b;
    --input-placeholder: #8f8ea8;

    --destructive: #dc2647;

    /* Tipografia da Marca Ensalamento (Opção 3: 100% Inter Unificada com OpenType) */
    --font-brand-display: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-brand-subtitle: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Tipografia Neutra para Interface e Formulários */
    --font-instituicao: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

/* Reset básico */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    background-color: var(--background);
    color: var(--text);
    font-family: var(--font-sans);
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    overflow-x: hidden;
    transition: background-color 0.25s ease, color 0.25s ease;
}

/* Malha de fundo geométrica sutil e limpa (sem manchas ou gradientes de cor neon) */
.login-bg-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    background-image:
        linear-gradient(to right, rgba(120, 120, 150, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(120, 120, 150, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    opacity: 0.7;
}

/* Barra superior com botão Voltar */
.login-topbar {
    position: fixed;
    top: 20px;
    left: 24px;
    right: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 20;
    max-width: 1200px;
    margin: 0 auto;
}

.link-voltar-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 8px;
    background: var(--card);
    border: 1px solid var(--border);
    transition: color 0.15s ease, border-color 0.15s ease, background-color 0.15s ease;
}

.link-voltar-home:hover {
    color: var(--text);
    border-color: var(--primary);
    background: var(--muted-surface);
}

/* Card Principal de Login (Flat & Moderno) */
.login-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 420px;
    padding: 38px 32px;
    border-radius: 16px;
    background: var(--card);
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    text-align: left;
    transition: background-color 0.25s ease, border-color 0.25s ease;
}

#login-brand-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.brand-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    user-select: none;
}

.brand-logo-mark {
    width: 34px;
    height: 34px;
    flex-shrink: 0;
    /* Totalmente flat e sem efeitos de sombra ou neon */
    filter: none !important;
    box-shadow: none !important;
}

.brand-name {
    font-family: var(--font-brand-display);
    font-size: 21px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.login-card img {
    height: 36px;
    width: auto;
    max-width: 100%;
    margin-bottom: 4px;
    display: block;
}

.eyebrow {
    margin: 0 0 6px;
    color: var(--primary);
    font-family: var(--font-brand-subtitle);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

h1 {
    margin: 0 0 6px;
    font-family: var(--font-brand-display);
    font-size: 26px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.025em;
    line-height: 1.2;
}

.descricao {
    margin: 0 0 24px;
    color: var(--muted);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.5;
}

/* Formulário de Login */
form {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 22px;
}

label {
    display: flex;
    flex-direction: column;
    gap: 7px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}

input {
    height: 44px;
    border: 1px solid var(--input-border);
    border-radius: 8px;
    padding: 0 14px;
    font-family: var(--font-sans);
    font-size: 14px;
    color: var(--input-text);
    background: var(--input-bg);
    transition: border-color 0.15s ease, background-color 0.25s ease;
}

input::placeholder {
    color: var(--input-placeholder);
}

/* Foco limpo com anel nítido de 1px (zero halo/neon desfocado) */
input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

button[type="submit"] {
    height: 46px;
    border: 0;
    border-radius: 8px;
    background: var(--primary);
    color: var(--primary-foreground);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
    transition: background-color 0.15s ease, opacity 0.15s ease;
    margin-top: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

button[type="submit"]:hover {
    background: var(--primary-hover);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12);
}

button[type="submit"]:active {
    opacity: 0.92;
}

button[type="submit"]:disabled {
    opacity: 0.6;
    cursor: wait;
}

#mensagem {
    min-height: 1.25em;
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--destructive);
}

/* Card de redirecionamento para IES clientes no login neutro da plataforma */
.login-instituicoes-card {
    width: 100%;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
}

.divisor-ou {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
}

.divisor-ou span {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.instituicoes-texto {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.4;
    margin: 0;
}

.btn-link-ies {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: #fdf2f2;
    border: 1px solid #fecaca;
    color: #b91c1c;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.15s ease, border-color 0.15s ease;
    margin-top: 2px;
}

.btn-link-ies:hover {
    background: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

.login-card a#link-painel-tv {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    color: var(--muted);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    padding-top: 14px;
    border-top: 1px solid var(--border);
    transition: color 0.15s ease;
}

.login-card a#link-painel-tv:hover {
    color: var(--primary);
}

.login-footer-info {
    margin-top: 24px;
    font-family: var(--font-brand-subtitle);
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    z-index: 10;
}

/* Responsividade mobile */
@media (max-width: 480px) {
    .login-card {
        padding: 28px 20px;
        border-radius: 14px;
    }

    .login-topbar {
        top: 14px;
        left: 16px;
        right: 16px;
    }

    h1 {
        font-size: 24px;
    }
}