/* ══════════════════════════════════════════════════════════════════
   login.css — Página de inicio de sesión
══════════════════════════════════════════════════════════════════ */

.login-shell {
    display: flex; min-height: 100vh; background: var(--bg-page);
}

/* ── Panel izquierdo (branding dark) ──────────────────────────── */
.login-brand {
    width: 42%; background: #0F172A;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 3rem 3.5rem; position: relative; overflow: hidden;
}
html.dark .login-brand { background: #020617; }
.login-brand::before {
    content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse at 30% 40%, rgba(37,99,235,0.18) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(96,165,250,0.10) 0%, transparent 50%);
}

.login-brand-logo { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 3rem; position: relative; }
.login-brand-logo i { font-size: 2.5rem; color: #60A5FA; }
.login-brand-logo-text { font-size: 1.75rem; font-weight: 700; color: #F8FAFC; letter-spacing: -0.03em; }
.login-brand-logo-text span { color: #60A5FA; }

.login-brand-headline { font-size: 1.5rem; font-weight: 700; color: #F1F5F9; line-height: 1.3; margin-bottom: 1rem; position: relative; text-align: center; }
.login-brand-sub      { font-size: 0.9375rem; color: #94A3B8; line-height: 1.6; text-align: center; max-width: 320px; position: relative; }

.login-brand-features { margin-top: 3rem; display: flex; flex-direction: column; gap: 1rem; position: relative; }
.login-feature-item   { display: flex; align-items: center; gap: 0.75rem; color: #94A3B8; font-size: 0.875rem; }
.login-feature-item i { font-size: 1.125rem; color: #60A5FA; flex-shrink: 0; }

/* ── Panel derecho (formulario) ───────────────────────────────── */
.login-form-panel { flex: 1; display: flex; align-items: center; justify-content: center; padding: 2rem 1.5rem; }
.login-form-card  { width: 100%; max-width: 420px; }

.login-form-title    { font-size: 1.5rem; font-weight: 700; color: var(--text-heading); margin-bottom: 0.375rem; }
.login-form-subtitle { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 2rem; }

/* ── Campos del formulario ────────────────────────────────────── */
.lf-field { margin-bottom: 1.25rem; }
.lf-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--text-label); margin-bottom: 0.35rem; }

.lf-input-wrap  { position: relative; }
.lf-input-icon  { position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 1.1rem; pointer-events: none; }
.lf-toggle-pass { position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0; display: flex; }
.lf-toggle-pass:hover { color: var(--text-body); }

.lf-input {
    width: 100%; padding: 0.6rem 0.75rem 0.6rem 2.25rem;
    border: 1px solid var(--input-border); border-radius: 8px;
    background: var(--bg-elevated); color: var(--text-body);
    font-size: 0.875rem; font-family: inherit;
    outline: none; box-sizing: border-box;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.lf-input:focus      { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-shadow); background: var(--bg-surface); }
.lf-input.is-invalid { border-color: var(--danger); }
.lf-input.is-invalid:focus { box-shadow: 0 0 0 3px rgba(220,38,38,0.15); }
.lf-error { font-size: 0.75rem; color: var(--danger); margin-top: 0.3rem; display: block; }

.lf-btn-submit {
    width: 100%; padding: 0.65rem 1rem;
    background: var(--primary); color: #fff;
    border: none; border-radius: 8px;
    font-size: 0.9375rem; font-weight: 600; font-family: inherit;
    cursor: pointer; transition: opacity 0.15s;
    display: flex; align-items: center; justify-content: center; gap: 0.5rem; margin-top: 0.5rem;
}
.lf-btn-submit:hover     { opacity: 0.92; }
.lf-btn-submit:disabled  { opacity: 0.55; cursor: not-allowed; }

.lf-footer { margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--border-color); text-align: center; font-size: 0.8125rem; color: var(--text-muted); }

/* ── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .login-brand      { display: none; }
    .login-form-panel { padding: 1.5rem 1rem; }
}