/* Cerebro — login.css — Tela de login dark mode */
/* Assets locais, sem CDN, sem inline — AGENTS.md */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--cbr-bg);
    position: relative;
    overflow: hidden;
}

/* Gradiente de fundo animado */
.login-page::before {
    content: '';
    position: absolute;
    top: -40%; left: -20%;
    width: 60vmax; height: 60vmax;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(124,106,247,0.12) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
    pointer-events: none;
}
.login-page::after {
    content: '';
    position: absolute;
    bottom: -30%; right: -20%;
    width: 50vmax; height: 50vmax;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245,158,11,0.07) 0%, transparent 70%);
    animation: float 12s ease-in-out infinite reverse;
    pointer-events: none;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(2%, 3%) scale(1.03); }
    66% { transform: translate(-2%, -2%) scale(0.97); }
}

.login-card {
    background: var(--cbr-surface);
    border: 1px solid var(--cbr-border);
    border-radius: var(--cbr-radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--cbr-shadow);
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.4s ease;
}

@media (max-width: 479.98px) {
    .login-card { padding: 1.75rem 1.25rem; }
}

/* Logo */
.login-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}
.login-logo-icon {
    width: 48px; height: 48px;
    background: var(--cbr-primary-dim);
    border-radius: var(--cbr-radius);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    color: var(--cbr-primary);
}
.login-logo-text .name {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--cbr-text);
    letter-spacing: -0.03em;
    line-height: 1;
}
.login-logo-text .sub {
    font-size: 0.6875rem;
    color: var(--cbr-text-subtle);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.login-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--cbr-text);
    margin-bottom: 0.25rem;
    letter-spacing: -0.02em;
}
.login-subtitle {
    font-size: 0.875rem;
    color: var(--cbr-text-muted);
    margin-bottom: 1.75rem;
}

/* Form inputs maiores */
.login-card .form-control {
    height: 3rem;
    font-size: 1rem;
    background: var(--cbr-surface-2);
    border-color: var(--cbr-border);
    color: var(--cbr-text);
}
.login-card .form-control:focus {
    border-color: var(--cbr-primary);
    box-shadow: 0 0 0 3px var(--cbr-primary-dim);
    background: var(--cbr-surface-2);
}
.login-card .form-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--cbr-text-muted);
}

.login-card .btn-primary {
    height: 3rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    background: var(--cbr-primary);
    border-color: var(--cbr-primary);
    transition: all 0.2s;
}
.login-card .btn-primary:hover {
    background: var(--cbr-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(124,106,247,0.4);
}
.login-card .btn-primary:active { transform: translateY(0); }

/* Input group com ícone (senha) */
.login-pass-wrap { position: relative; }
.login-pass-toggle {
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--cbr-text-subtle);
    cursor: pointer;
    font-size: 1rem;
    padding: 0;
    transition: color var(--cbr-transition);
    z-index: 5;
}
.login-pass-toggle:hover { color: var(--cbr-primary); }

.login-footer {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.75rem;
    color: var(--cbr-text-subtle);
}

/* Alerts */
.login-card .alert {
    font-size: 0.875rem;
    border-radius: var(--cbr-radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.25rem;
}
.login-card .alert-danger {
    background: var(--cbr-danger-bg);
    border-color: rgba(239,68,68,0.3);
    color: var(--cbr-danger);
}
.login-card .alert-success {
    background: var(--cbr-confirmed-bg);
    border-color: rgba(34,197,94,0.3);
    color: var(--cbr-confirmed);
}

/* Theme toggle no login */
.login-theme-toggle {
    position: fixed;
    top: 1rem; right: 1rem;
    z-index: 10;
}