/* ============================================================
   main.css — Estilos globales de FINANZAS SABC
   CSS propio, sin Bootstrap ni Tailwind.
   ============================================================ */

/* ─── VARIABLES GLOBALES ──────────────────────────────────────────────────── */
:root {
    /* Paleta de colores */
    --color-primario:      #2c5f2e;   /* Verde oscuro financiero */
    --color-secundario:    #4a9e4f;   /* Verde medio */
    --color-acento:        #f0a500;   /* Dorado/ámbar para alertas y CTAs */
    --color-positivo:      #27ae60;   /* Verde para ganancias */
    --color-negativo:      #e74c3c;   /* Rojo para pérdidas */
    --color-neutro:        #7f8c8d;   /* Gris para sin datos */
    --color-fondo:         #f5f7f5;   /* Fondo general levemente verde */
    --color-fondo-card:    #ffffff;
    --color-borde:         #e0e6e0;
    --color-texto:         #1a2e1b;   /* Casi negro con tinte verde */
    --color-texto-suave:   #6c757d;
    --color-texto-muy-suave: #9aa5a0;

    /* Tipografía */
    --fuente-principal: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --fuente-mono:      'Courier New', 'Consolas', monospace;
    --tamano-base:      15px;
    --tamano-chico:     13px;
    --tamano-grande:    18px;
    --tamano-xl:        24px;
    --tamano-xxl:       32px;

    /* Layout */
    --ancho-contenido: 1200px;
    --alto-header:     56px;
    --borde-radio:     8px;
    --borde-radio-sm:  4px;
    --sombra-card:     0 2px 8px rgba(44, 95, 46, 0.08);
    --sombra-hover:    0 4px 16px rgba(44, 95, 46, 0.14);

    /* Transiciones */
    --transicion:      0.18s ease;
}

/* ─── RESET Y BASE ────────────────────────────────────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--tamano-base);
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--fuente-principal);
    color: var(--color-texto);
    background-color: var(--color-fondo);
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-primario);
    text-decoration: none;
    transition: color var(--transicion);
}
a:hover { color: var(--color-secundario); text-decoration: underline; }
a:focus-visible {
    outline: 2px solid var(--color-acento);
    outline-offset: 2px;
    border-radius: 2px;
}

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

table { border-collapse: collapse; width: 100%; }

/* ─── HEADER ─────────────────────────────────────────────────────────────── */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--alto-header);
    background: var(--color-primario);
    box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

.header-inner {
    max-width: var(--ancho-contenido);
    margin: 0 auto;
    height: 100%;
    padding: 0 1.25rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-logo { display: flex; align-items: center; }

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #fff !important;
    text-decoration: none !important;
}

.logo-texto {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.01em;
}
.logo-texto strong {
    color: #fff;
    font-weight: 700;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: var(--tamano-chico);
    font-weight: 500;
    color: rgba(255,255,255,0.82) !important;
    text-decoration: none !important;
    transition: background var(--transicion), color var(--transicion);
    white-space: nowrap;
}
.nav-link:hover {
    background: rgba(255,255,255,0.15);
    color: #fff !important;
    text-decoration: none !important;
}
.nav-link.activo {
    background: rgba(255,255,255,0.22);
    color: #fff !important;
    font-weight: 600;
}
.nav-admin {
    color: var(--color-acento) !important;
}
.nav-admin:hover { color: #fff !important; }
.nav-admin.activo { background: rgba(240,165,0,0.25); }

.header-usuario {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.usuario-nombre {
    font-size: var(--tamano-chico);
    color: rgba(255,255,255,0.85);
    font-weight: 500;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1rem;
    color: rgba(255,255,255,0.8) !important;
    text-decoration: none !important;
    transition: background var(--transicion);
}
.btn-icon:hover {
    background: rgba(255,255,255,0.2);
    color: #fff !important;
}
.btn-logout:hover { background: rgba(231, 76, 60, 0.4); }

/* ─── MENSAJES FLASH ─────────────────────────────────────────────────────── */
.flash-container {
    position: fixed;
    top: calc(var(--alto-header) + 0.75rem);
    right: 1rem;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 420px;
    width: calc(100% - 2rem);
}

.flash {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    border-radius: var(--borde-radio);
    box-shadow: 0 4px 16px rgba(0,0,0,0.14);
    font-size: var(--tamano-chico);
    animation: flash-in 0.22s ease;
}

@keyframes flash-in {
    from { opacity: 0; transform: translateY(-8px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.flash-success  { background: #e8f5e9; border-left: 4px solid var(--color-positivo); }
.flash-error    { background: #fdecea; border-left: 4px solid var(--color-negativo); }
.flash-warning  { background: #fff8e1; border-left: 4px solid var(--color-acento); }
.flash-info     { background: #e3f2fd; border-left: 4px solid #2196f3; }

.flash-icono { font-size: 1rem; flex-shrink: 0; margin-top: 1px; }
.flash-texto { flex: 1; line-height: 1.4; }
.flash-cerrar {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    color: var(--color-texto-suave);
    padding: 0;
    flex-shrink: 0;
}
.flash-cerrar:hover { color: var(--color-texto); }

/* ─── MAIN ───────────────────────────────────────────────────────────────── */
.app-main {
    flex: 1;
    max-width: var(--ancho-contenido);
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 1.25rem 2rem;
}

/* ─── AVISO LEGAL (footer) ───────────────────────────────────────────────── */
.aviso-legal {
    background: #f0f3f0;
    border-top: 1px solid var(--color-borde);
    padding: 0.9rem 1.25rem;
    font-size: 11.5px;
    color: var(--color-texto-suave);
    line-height: 1.5;
    text-align: center;
}
.aviso-legal p + p { margin-top: 0.4rem; }
.aviso-legal-links {
    margin-top: 0.3rem;
    font-size: 11px;
}
.aviso-legal-links a {
    color: var(--color-texto-muy-suave);
}
.aviso-legal-links a:hover { color: var(--color-texto-suave); }

/* ─── BOTONES ────────────────────────────────────────────────────────────── */
.btn-primario {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    background: var(--color-primario);
    color: #fff !important;
    border: none;
    border-radius: var(--borde-radio);
    font-size: var(--tamano-chico);
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none !important;
    transition: background var(--transicion), box-shadow var(--transicion);
}
.btn-primario:hover {
    background: #234d25;
    box-shadow: 0 2px 8px rgba(44,95,46,0.3);
    text-decoration: none !important;
}

.btn-secundario {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1.1rem;
    background: transparent;
    color: var(--color-primario) !important;
    border: 1.5px solid var(--color-borde);
    border-radius: var(--borde-radio);
    font-size: var(--tamano-chico);
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    text-decoration: none !important;
    transition: border-color var(--transicion), background var(--transicion);
}
.btn-secundario:hover {
    border-color: var(--color-secundario);
    background: #f0f7f0;
    text-decoration: none !important;
}

.btn-peligro {
    background: var(--color-negativo);
    color: #fff !important;
}
.btn-peligro:hover { background: #c0392b; }

.btn-sm {
    padding: 0.3rem 0.7rem;
    font-size: 12px;
    border-radius: var(--borde-radio-sm);
    border: 1.5px solid var(--color-borde);
    background: var(--color-fondo-card);
    color: var(--color-texto) !important;
    cursor: pointer;
    font-family: inherit;
    transition: background var(--transicion), border-color var(--transicion);
    text-decoration: none !important;
}
.btn-sm:hover { background: #f0f7f0; border-color: var(--color-secundario); }

.btn-full { width: 100%; justify-content: center; }

/* ─── FORMULARIOS ────────────────────────────────────────────────────────── */
.campo-form {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1.1rem;
}

.campo-form label {
    font-size: var(--tamano-chico);
    font-weight: 600;
    color: var(--color-texto);
}

.input-text {
    width: 100%;
    padding: 0.6rem 0.85rem;
    border: 1.5px solid var(--color-borde);
    border-radius: var(--borde-radio);
    font-size: var(--tamano-base);
    font-family: inherit;
    color: var(--color-texto);
    background: var(--color-fondo-card);
    transition: border-color var(--transicion), box-shadow var(--transicion);
    appearance: none;
}
.input-text:focus {
    outline: none;
    border-color: var(--color-secundario);
    box-shadow: 0 0 0 3px rgba(74,158,79,0.15);
}
.input-text::placeholder { color: var(--color-texto-muy-suave); }

.campo-opcional {
    font-weight: 400;
    color: var(--color-texto-suave);
    font-size: 12px;
}
.campo-ayuda {
    font-size: 12px;
    color: var(--color-texto-suave);
    margin-top: 0.15rem;
}
.req { color: var(--color-negativo); }

/* ─── PÁGINAS DE AUTH ────────────────────────────────────────────────────── */
.pagina-auth .app-main {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--alto-header) - 60px);
    padding: 1.5rem;
}

.auth-container { width: 100%; max-width: 420px; }

.auth-card {
    background: var(--color-fondo-card);
    border-radius: 12px;
    padding: 2.5rem 2rem;
    box-shadow: 0 8px 32px rgba(44,95,46,0.12);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}
.auth-logo img { margin: 0 auto 0.75rem; }
.auth-logo h1 {
    font-size: var(--tamano-xl);
    font-weight: 300;
    color: var(--color-texto);
}
.auth-logo h1 strong {
    font-weight: 700;
    color: var(--color-primario);
}
.auth-subtitulo {
    font-size: var(--tamano-chico);
    color: var(--color-texto-suave);
    margin-top: 0.25rem;
}

.auth-form { margin-bottom: 1.25rem; }

.auth-nota {
    text-align: center;
    font-size: 12.5px;
    color: var(--color-texto-suave);
    line-height: 1.5;
}

/* ─── CARDS ──────────────────────────────────────────────────────────────── */
.card {
    background: var(--color-fondo-card);
    border-radius: var(--borde-radio);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--sombra-card);
    border: 1px solid var(--color-borde);
}

/* ─── VALORES NUMÉRICOS ──────────────────────────────────────────────────── */
.positivo { color: var(--color-positivo); }
.negativo { color: var(--color-negativo); }
.sin-dato { color: var(--color-neutro); font-size: var(--tamano-chico); }
.num { text-align: right; font-family: var(--fuente-mono); }

.valor-grande {
    display: block;
    font-size: var(--tamano-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-top: 0.35rem;
    font-family: var(--fuente-mono);
}

/* ─── PÁGINAS DE ERROR ───────────────────────────────────────────────────── */
.error-page {
    text-align: center;
    padding: 4rem 1rem;
}
.error-codigo {
    font-size: 96px;
    font-weight: 900;
    color: var(--color-borde);
    line-height: 1;
    margin-bottom: 1rem;
}
.error-page h2 {
    font-size: var(--tamano-xxl);
    margin-bottom: 0.75rem;
    color: var(--color-texto);
}
.error-page p {
    color: var(--color-texto-suave);
    margin-bottom: 2rem;
}

/* ─── STUB AVISO ─────────────────────────────────────────────────────────── */
.stub-aviso {
    font-size: var(--tamano-chico);
    color: var(--color-texto-suave);
    background: #fffbea;
    border: 1px dashed var(--color-acento);
    border-radius: var(--borde-radio-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
}

/* ─── CARTERA VACÍA ──────────────────────────────────────────────────────── */
.cartera-vacia {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--color-texto-suave);
}
.cartera-vacia-icono { font-size: 3rem; margin-bottom: 1rem; }
.cartera-vacia h3 { font-size: var(--tamano-grande); margin-bottom: 0.5rem; }
.cartera-vacia p { margin-bottom: 1.5rem; }

/* ─── PAGINA CONTENIDO (genérica) ────────────────────────────────────────── */
.pagina-contenido {
    max-width: 800px;
}
.pagina-contenido h2 {
    font-size: var(--tamano-xxl);
    margin-bottom: 1rem;
    color: var(--color-primario);
}

/* ─── RESPONSIVE ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .header-inner { gap: 0.75rem; }
    .logo-texto { display: none; }
    .nav-link { padding: 0.3rem 0.6rem; font-size: 12px; }
    .usuario-nombre { display: none; }
    .auth-card { padding: 1.75rem 1.25rem; }
    .valor-grande { font-size: var(--tamano-xl); }
}

@media (max-width: 480px) {
    .header-nav { gap: 0; }
    .nav-link { padding: 0.3rem 0.5rem; }
}

/* ─── MOTION REDUCIDO ────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { transition: none !important; animation: none !important; }
}