/* e-gym - Login page */
html:has(body.login-page) { overflow: hidden; }
body.login-page {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: var(--egym-bg);
    overflow: hidden;
}
body.login-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 30% 20%, rgba(13,148,136,0.08) 0%, transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(16,185,129,0.06) 0%, transparent 50%);
    pointer-events: none;
}

/* Card */
.login-card {
    max-width: 400px;
    width: 100%;
    background: var(--egym-surface);
    border: 1px solid var(--egym-border);
    border-radius: var(--egym-radius-xl, 20px);
    box-shadow: var(--egym-shadow-lg);
    overflow: hidden;
    position: relative;
    z-index: 1;
    animation: loginSlideUp 0.5s ease;
}
@keyframes loginSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header - light: gradient, dark: surface oscura */
.login-header {
    background: var(--egym-gradient, linear-gradient(135deg, #10b981 0%, #0d9488 100%));
    color: white;
    padding: 1.75rem 1.5rem 1.5rem;
    text-align: center;
    position: relative;
}
html.theme-dark .login-header,
html[data-theme="dark"] .login-header {
    background: var(--egym-surface-elevated) !important;
    border-bottom: 1px solid var(--egym-border);
}
.login-header .login-tagline {
    font-size: 0.85rem;
    opacity: 0.85;
    margin: 0;
}
html.theme-dark .login-header .login-tagline { color: var(--egym-text-muted); }

/* Toggle tabs (login/register) */
.login-toggle {
    display: flex;
    background: var(--egym-bg-alt, var(--egym-bg));
    border: 1px solid var(--egym-border);
    border-radius: var(--egym-radius-full, 9999px);
    padding: 3px;
    margin-bottom: 1.25rem;
    gap: 0;
}
.login-toggle .nav-item { flex: 1; }
.login-toggle .nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: none;
    border-radius: var(--egym-radius-full, 9999px);
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--egym-text-muted);
    background: transparent;
    transition: all var(--egym-transition, 0.25s);
    cursor: pointer;
    min-height: 40px;
    text-decoration: none;
}
.login-toggle .nav-link:hover { color: var(--egym-text); }
.login-toggle .nav-link.active {
    background: var(--egym-gradient, linear-gradient(135deg, #10b981 0%, #0d9488 100%));
    color: #fff;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}
.login-toggle .nav-link i { font-size: 0.8rem; }

/* Body */
.login-body { padding: 1.5rem; }

/* Form compacto */
.login-body .form-label {
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--egym-text-muted);
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.login-body .form-control,
.login-body .form-select {
    border: 1px solid var(--egym-border);
    border-radius: var(--egym-radius-sm, 8px);
    padding: 0.55rem 0.75rem;
    font-size: 0.9rem;
    background: var(--egym-bg);
    color: var(--egym-text);
    transition: border-color var(--egym-transition), box-shadow var(--egym-transition);
    min-height: 42px;
}
.login-body .form-control:focus,
.login-body .form-select:focus {
    border-color: var(--egym-primary);
    box-shadow: 0 0 0 3px var(--egym-primary-muted);
    background: var(--egym-surface);
}
.login-body .form-control::placeholder { color: var(--egym-text-muted); }
.login-body .mb-3 { margin-bottom: 0.75rem !important; }
.login-body .mb-2 { margin-bottom: 0.5rem !important; }

/* Row 2 cols para nombre+apellido */
.login-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

/* Botón submit */
.login-body .btn-primary {
    background: var(--egym-gradient, linear-gradient(135deg, #10b981 0%, #0d9488 100%));
    border: none;
    padding: 0.65rem 1.5rem;
    min-height: 44px;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--egym-radius-sm, 8px);
    box-shadow: var(--egym-shadow-glow, 0 4px 14px rgba(16,185,129,0.25));
    transition: all var(--egym-transition);
    color: #fff;
    margin-top: 0.5rem;
}
.login-body .btn-primary:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
    transform: translateY(-1px);
}

/* Alerts */
.login-body .alert {
    font-size: 0.8rem;
    border-radius: var(--egym-radius-sm, 8px);
    border: 1px solid;
    padding: 0.6rem 0.85rem;
}
.login-body .alert-info {
    background: var(--egym-primary-muted);
    border-color: var(--egym-primary);
    color: var(--egym-text);
}
.login-body .alert-danger {
    background: var(--egym-danger-muted);
    border-color: var(--egym-danger);
    color: var(--egym-text);
}

/* Tipo usuario toggle pequeño */
.login-tipo-toggle {
    display: flex;
    background: var(--egym-bg-alt, var(--egym-bg));
    border: 1px solid var(--egym-border);
    border-radius: var(--egym-radius-sm, 8px);
    padding: 2px;
    gap: 0;
}
.login-tipo-toggle label {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.45rem 0.5rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.8rem;
    color: var(--egym-text-muted);
    cursor: pointer;
    transition: all var(--egym-transition, 0.25s);
    margin: 0;
}
.login-tipo-toggle label:hover { color: var(--egym-text); }
.login-tipo-toggle input[type="radio"] { display: none; }
.login-tipo-toggle input[type="radio"]:checked + label {
    background: var(--egym-surface);
    color: var(--egym-primary);
    box-shadow: var(--egym-shadow);
    font-weight: 600;
}
html.theme-dark .login-tipo-toggle input[type="radio"]:checked + label {
    background: var(--egym-surface-hover);
}

/* Profesor vinculado (read-only) */
.login-profesor-fixed {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.75rem;
    background: var(--egym-primary-muted);
    border: 1px solid var(--egym-primary);
    border-radius: var(--egym-radius-sm, 8px);
    font-size: 0.85rem;
    color: var(--egym-text);
}
.login-profesor-fixed i { color: var(--egym-primary); }

/* Responsive */
@media (max-width: 420px) {
    .login-card { border-radius: var(--egym-radius-lg, 16px); }
    .login-body { padding: 1.25rem 1rem; }
    .login-header { padding: 1.25rem 1rem; }
    .login-header .logo-brand img { height: 64px !important; }
}