/* =============================================
   BASE.CSS — Variables, reset y estilos globales
   ============================================= */

/* === Variables de diseño === */
:root {
    --color-primary: #1E3A5F;
    --color-primary-light: #2a4f82;
    --color-accent: #F97316;
    --color-accent-hover: #ea6b0a;
    --color-bg: #ffffff;
    --color-bg-subtle: #F9FAFB;
    --color-text: #111827;
    --color-text-muted: #6B7280;
    --color-border: #E5E7EB;
    --color-error: #EF4444;
    --color-success: #10B981;

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --radius: 0.5rem;
    --radius-lg: 0.75rem;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --transition: 150ms ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 3.75rem; /* compensa navbar fija */
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 3.75rem; /* compensa navbar fija (position: fixed) */
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent);
}

img {
    max-width: 100%;
    display: block;
}

/* === Botones === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--color-accent);
    color: #ffffff;
    border-color: var(--color-accent);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-outline-white {
    background-color: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.45);
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-lg {
    padding: 0.875rem 2rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* === Campos de formulario === */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--color-text);
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-control::placeholder {
    color: #9CA3AF;
}

.form-control.is-invalid {
    border-color: var(--color-error);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--color-error);
}

/* === Alertas === */
.alert {
    padding: 0.875rem 1rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-error {
    background-color: #FEF2F2;
    color: #991B1B;
    border-color: #FECACA;
}

.alert-success {
    background-color: #F0FDF4;
    color: #166534;
    border-color: #BBF7D0;
}

/* === Navbar === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 0 1.75rem;
    height: 3.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    background-color: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

/* ── Lado izquierdo: logo + separador + links de nav ── */
.navbar-left {
    display: flex;
    align-items: center;
    gap: 0;
    min-width: 0;
}

.navbar-brand {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.navbar-logo {
    display: block;
    height: 2.5rem;
    width: auto;
}

/* Separador vertical entre logo y nav */
.navbar-divider {
    width: 1px;
    height: 1.375rem;
    background: var(--color-border);
    margin: 0 1rem;
    flex-shrink: 0;
}

/* Links de navegación principal */
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 0.125rem;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.4rem 0.65rem;
    border-radius: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
}

.nav-link:hover {
    background: var(--color-bg-subtle);
    color: var(--color-text);
}

.nav-link--muted:hover {
    color: var(--color-error, #dc2626);
}

/* ── Lado derecho: acciones de usuario ── */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Botón pequeño en navbar */
.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.8125rem;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}

/* Avatar circular con inicial del nombre */
.navbar-user {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem 0.25rem 0.25rem;
    border-radius: 2rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}

.navbar-user:hover {
    background: var(--color-bg-subtle);
    color: var(--color-text);
}

.navbar-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0;
    flex-shrink: 0;
}

.navbar-username {
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === Navbar móvil — hamburguesa === */

/* Icono-botón (lupa) */
.navbar-icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.5rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: background var(--transition), color var(--transition);
}
.navbar-icon-btn:hover {
    background: var(--color-bg-subtle);
    color: var(--color-text);
}

/* Botón hamburguesa */
.navbar-hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border: none;
    border-radius: 0.5rem;
    background: none;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
    font-family: inherit;
}
.navbar-hamburger:hover {
    background: var(--color-bg-subtle);
    color: var(--color-text);
}

/* Iconos hamburguesa/cerrar controlados por aria-expanded */
.hamburger-icon--close { display: none; }
.navbar-hamburger[aria-expanded="true"] .hamburger-icon--open  { display: none; }
.navbar-hamburger[aria-expanded="true"] .hamburger-icon--close { display: block; }

/* Contenedor derecho móvil */
.navbar-mobile-right {
    display: none;
    align-items: center;
    gap: 0.125rem;
}

/* Panel desplegable del menú móvil */
.navbar-menu {
    position: fixed;
    top: 3.75rem;
    left: 0;
    right: 0;
    background: #ffffff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
    z-index: 99;
}
.navbar-menu[hidden] { display: none; }

.navbar-menu-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.5rem 1.25rem 0.75rem;
    display: flex;
    flex-direction: column;
}

.navbar-menu-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 0.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition);
}
.navbar-menu-item:last-child { border-bottom: none; }
.navbar-menu-item:hover { color: var(--color-primary); }

.navbar-menu-item--primary {
    color: var(--color-accent);
    font-weight: 600;
}
.navbar-menu-item--primary:hover { color: var(--color-accent-hover); }

.navbar-menu-item--danger { color: #dc2626; }
.navbar-menu-item--danger:hover { color: #b91c1c; }

/* Media query: móvil */
@media (max-width: 768px) {
    .navbar-left    { gap: 0; }
    .navbar-nav     { display: none; }
    .navbar-divider { display: none; }
    .navbar-right   { display: none; }
    .navbar-mobile-right { display: flex; }
}

/* Tablet: mostrar nav pero ocultar texto de usuario */
@media (min-width: 769px) and (max-width: 1024px) {
    .navbar-username { display: none; }
    .navbar-user { padding: 0.25rem; }
}

/* === Footer === */
.footer {
    padding: 2rem 1.5rem;
    background-color: var(--color-bg-subtle);
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

.footer a {
    color: var(--color-text-muted);
    text-decoration: none;
}

.footer a:hover {
    color: var(--color-primary);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem 1.25rem;
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    opacity: 0.8;
    transition: opacity 0.15s, color 0.15s;
}

.footer-links a:hover {
    color: var(--color-primary);
    opacity: 1;
}

.footer-copy {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    opacity: 0.65;
}

/* === Divisor con texto === */
.divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-text-muted);
    font-size: 0.8125rem;
    margin: 1.25rem 0;
}

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

/* === Utilidades de layout === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}