/* ============================================
   CERTIA GROUP® — Login Page Styles
   Diseño premium glassmorphism + split layout
   ============================================ */

/* ---- Layout principal ---- */
.login-body {
    min-height: 100vh;
    overflow: hidden;
    position: relative;
}

.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ---- Fondo animado ---- */
.bg-overlay {
    position: fixed;
    inset: 0;
    background:
        var(--gradient-glow),
        radial-gradient(ellipse at 85% 85%, hsla(290, 70%, 55%, 0.12) 0%, transparent 60%),
        radial-gradient(ellipse at 15% 70%, hsla(173, 80%, 48%, 0.10) 0%, transparent 55%),
        var(--bg-deep);
    z-index: 0;
}

.bg-particles {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

/* ============================================
   PANEL IZQUIERDO - Branding
   ============================================ */
.login-branding {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-12) var(--space-10);
    position: relative;
    overflow: hidden;
}

.login-branding::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
        hsla(245, 80%, 60%, 0.08) 0%,
        hsla(290, 70%, 55%, 0.05) 50%,
        hsla(173, 80%, 48%, 0.08) 100%
    );
    border-right: 1px solid var(--glass-border);
}

.branding-content {
    position: relative;
    z-index: 1;
    max-width: 440px;
}

/* Logo */
.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-10);
}

.logo-icon {
    font-size: 2.2rem;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 12px hsla(245, 80%, 60%, 0.5));
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { filter: drop-shadow(0 0 10px hsla(245, 80%, 60%, 0.4)); }
    50%       { filter: drop-shadow(0 0 20px hsla(245, 80%, 60%, 0.7)); }
}

.logo-text {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-extrabold);
    letter-spacing: 0.08em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-badge {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    color: var(--color-accent);
    background: hsla(173, 80%, 48%, 0.12);
    border: 1px solid hsla(173, 80%, 48%, 0.3);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
}

/* Headline */
.brand-headline {
    font-family: var(--font-display);
    font-size: var(--text-4xl);
    font-weight: var(--weight-extrabold);
    line-height: var(--leading-tight);
    color: var(--text-primary);
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.brand-description {
    font-size: var(--text-lg);
    color: var(--text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-10);
}

/* Estadísticas */
.brand-stats {
    display: flex;
    align-items: center;
    gap: var(--space-6);
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--space-6) var(--space-8);
    box-shadow: var(--shadow-md);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.stat-number {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-extrabold);
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat-label {
    font-size: var(--text-xs);
    color: var(--text-muted);
    font-weight: var(--weight-medium);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.stat-divider {
    width: 1px;
    height: 36px;
    background: var(--border-subtle);
    flex-shrink: 0;
}

/* ============================================================
   PROGNOSIS TALENTUM® — Estilos del Login
   ============================================================ */

/* ---- Registro links (al pie del card de login) ---- */
.registro-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-top: var(--space-4);
}

.registro-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-3) var(--space-2);
    background: var(--bg-surface);
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    cursor: pointer;
}

.registro-link span { font-size: 1.2rem; }

.registro-link:hover {
    background: var(--bg-card-hover);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
}

/* ============================================
   PANEL DERECHO - Formulario Login
   ============================================ */
.login-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-8);
    gap: var(--space-6);
    min-height: 100vh;
}

/* Card glassmorphism */
.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-10);
    box-shadow:
        var(--shadow-lg),
        inset 0 1px 0 hsla(220, 30%, 100%, 0.06);
    animation: card-enter 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes card-enter {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Cabecera */
.card-header {
    margin-bottom: var(--space-8);
    text-align: center;
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    letter-spacing: -0.01em;
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

/* ---- Alertas ---- */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    margin-bottom: var(--space-6);
    animation: alert-slide 0.3s ease;
}

@keyframes alert-slide {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.alert[hidden] { display: none; }

.alert-error {
    background: hsla(355, 85%, 60%, 0.12);
    border: 1px solid hsla(355, 85%, 60%, 0.3);
    color: hsl(355, 85%, 75%);
}

.alert-success {
    background: hsla(148, 70%, 50%, 0.12);
    border: 1px solid hsla(148, 70%, 50%, 0.3);
    color: hsl(148, 70%, 70%);
}

.alert-icon { font-size: var(--text-base); flex-shrink: 0; }

/* ---- Grupos de formulario ---- */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    margin-bottom: var(--space-6);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

/* Input wrapper con ícono */
.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
    pointer-events: none;
    z-index: 1;
    transition: var(--transition-fast);
}

.form-input {
    width: 100%;
    height: 52px;
    background: var(--bg-input);
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 0 var(--space-5) 0 2.75rem;
    font-family: var(--font-sans);
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: var(--transition-normal);
    outline: none;
    letter-spacing: 0.01em;
}

.form-input::placeholder {
    color: var(--text-disabled);
}

.form-input:hover {
    border-color: var(--border-medium);
}

.form-input:focus {
    border-color: var(--color-primary);
    background: hsla(245, 50%, 12%, 0.5);
    box-shadow: 0 0 0 3px var(--color-primary-glow);
}

.form-input:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--color-primary-light);
}

.form-input.is-invalid {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px hsla(355, 85%, 60%, 0.15);
}

.field-error {
    font-size: var(--text-xs);
    color: hsl(355, 85%, 65%);
    min-height: 1em;
    padding-left: var(--space-1);
}

/* Toggle password */
.toggle-password {
    position: absolute;
    right: var(--space-4);
    color: var(--text-muted);
    font-size: var(--text-base);
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    z-index: 1;
}

.toggle-password:hover { color: var(--text-primary); }

/* ---- Botón login ---- */
.btn-login {
    width: 100%;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    background: var(--gradient-brand);
    background-size: 200% 200%;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--weight-semibold);
    color: #fff;
    letter-spacing: 0.02em;
    box-shadow: var(--shadow-glow-primary);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
    margin-top: var(--space-2);
}

.btn-login::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-fast);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow-primary), 0 8px 24px rgba(0,0,0,0.3);
    background-position: 100% 50%;
}

.btn-login:hover::before { opacity: 1; }

.btn-login:active {
    transform: translateY(0);
}

.btn-login:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    transform: none;
}

.btn-arrow {
    font-size: var(--text-lg);
    transition: var(--transition-fast);
}

.btn-login:hover .btn-arrow { transform: translateX(4px); }

/* Loader spinner */
.btn-loader {
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.btn-loader[hidden] { display: none; }

/* ---- Links ---- */
.link-subtle {
    font-size: var(--text-sm);
    color: var(--text-muted);
    transition: var(--transition-fast);
}
.link-subtle:hover { color: var(--color-primary-light); }

.link-primary {
    color: var(--color-primary-light);
    font-weight: var(--weight-medium);
    transition: var(--transition-fast);
}
.link-primary:hover { color: var(--color-accent); text-decoration: underline; }

/* ---- Divisor ---- */
.divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    color: var(--text-muted);
    font-size: var(--text-xs);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

/* ---- Acceso rápido por rol ---- */
.quick-access {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.quick-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-4) var(--space-2);
    background: var(--bg-surface);
    border: 1.5px solid var(--border-subtle);
    border-radius: var(--radius-md);
    font-size: var(--text-xs);
    font-weight: var(--weight-medium);
    color: var(--text-secondary);
    transition: var(--transition-normal);
    cursor: pointer;
}

.quick-btn span:first-child { font-size: 1.4rem; }

.quick-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--color-primary);
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.quick-btn.active {
    background: hsla(245, 80%, 60%, 0.12);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

/* ---- Footer del card ---- */
.card-footer-text {
    text-align: center;
    font-size: var(--text-sm);
    color: var(--text-muted);
}

/* ---- Footer de página ---- */
.page-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    width: 100%;
    max-width: 440px;
    font-size: var(--text-xs);
    color: var(--text-disabled);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--text-disabled);
    transition: var(--transition-fast);
}

.footer-link:hover { color: var(--text-muted); }

.page-footer nav {
    display: flex;
    gap: var(--space-4);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .login-container {
        grid-template-columns: 1fr;
    }

    .login-branding {
        display: none;
    }

    .login-panel {
        padding: var(--space-6) var(--space-5);
    }
}

@media (max-width: 480px) {
    .login-card {
        padding: var(--space-8) var(--space-6);
        border-radius: var(--radius-xl);
    }

    .brand-headline {
        font-size: var(--text-3xl);
    }
}