/* ============================================================
   Mailer Hub — Login — index.css
   ============================================================ */

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

:root {
    --bg:       #161616;
    --surface:  #222222;
    --border:   rgba(255,255,255,0.07);
    --accent:   #4F8EF7;
    --text:     #f0f0f0;
    --muted:    #8a8a8e;
    --danger:   #ef4444;
    --radius:   16px;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

/* Fundo com gradiente sutil */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 30% 20%, rgba(79,142,247,.12) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 70% 80%, rgba(79,142,247,.08) 0%, transparent 60%);
    pointer-events: none;
}

.login-wrapper {
    width: 100%;
    max-width: 380px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 24px 64px rgba(0,0,0,.4);
}

/* Logo */
.login-logo {
    margin-bottom: .25rem;
    filter: drop-shadow(0 4px 16px rgba(79,142,247,.4));
}

/* Título */
.login-title {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -.5px;
    color: var(--text);
}

/* Subtítulo */
.login-sub {
    font-size: .85rem;
    color: var(--muted);
    text-align: center;
    margin-top: -.5rem;
}

/* Mensagem de erro */
.erro-msg {
    width: 100%;
    padding: .75rem 1rem;
    background: rgba(239,68,68,.1);
    border: 1px solid rgba(239,68,68,.3);
    border-radius: 8px;
    color: #fca5a5;
    font-size: .85rem;
    text-align: center;
}
.erro-msg.hidden { display: none; }

/* Botão Google centralizado */
.g_id_signin {
    margin-top: .5rem;
}

/* Aviso de acesso restrito */
.login-aviso {
    font-size: .75rem;
    color: var(--muted);
    text-align: center;
    margin-top: .5rem;
}

/* Spinner de loading */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255,255,255,.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin .6s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Responsivo */
@media (max-width: 420px) {
    .login-card { padding: 2rem 1.25rem; }
}