/* ============================================================
   assets/style.css — Estilos propios PSI Web
   ============================================================ */

:root {
    --color-primario:    #2c5f8a;
    --color-secundario:  #1a3f5c;
    --color-acento:      #e8a020;
    --color-fondo:       #f4f6f8;
    --color-blanco:      #ffffff;
    --color-texto:       #2d2d2d;
    --color-texto-suave: #666666;
    --color-borde:       #d0d7de;
    --color-ok:          #2d7a3a;
    --color-error:       #c0392b;
    --color-aviso:       #d4780a;
    --color-fondo-ok:    #eafbea;
    --color-fondo-error: #fdecea;
    --color-fondo-aviso: #fff8ec;
    --fuente:            'Segoe UI', Arial, sans-serif;
    --radio:             4px;
    --sombra:            0 2px 8px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: var(--fuente);
    font-size: 14px;
    background: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.5;
}

/* --- Header ------------------------------------------------ */
.header {
    background: var(--color-primario);
    color: var(--color-blanco);
    padding: 0 24px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--sombra);
    position: sticky;
    top: 0;
    z-index: 200;
}
.header-titulo { font-size: 18px; font-weight: 600; letter-spacing: 0.5px; }
.header-derecha { display: flex; align-items: center; gap: 12px; }
.header-usuario-nombre { font-size: 13px; opacity: 0.85; }
.header-salir { color: var(--color-acento); text-decoration: none; font-size: 13px; }
.header-salir:hover { text-decoration: underline; }

.hamburguesa {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.hamburguesa span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-blanco);
    border-radius: 2px;
}

/* --- Navegación -------------------------------------------- */
.nav {
    background: var(--color-secundario);
    display: flex;
    align-items: stretch;
    padding: 0 16px;
    position: sticky;
    top: 52px;
    z-index: 190;
}
.nav-item {
    color: rgba(255,255,255,0.80);
    text-decoration: none;
    padding: 10px 14px;
    font-size: 13px;
    border-bottom: 3px solid transparent;
    display: flex;
    align-items: center;
    background: none;
    border-top: none;
    border-left: none;
    border-right: none;
    cursor: pointer;
    font-family: var(--fuente);
    white-space: nowrap;
}
.nav-item:hover, .nav-item.activo {
    color: var(--color-blanco);
    border-bottom-color: var(--color-acento);
}
.nav-disabled {
    color: rgba(255,255,255,0.35) !important;
    cursor: not-allowed;
    border-bottom-color: transparent !important;
    padding: 10px 14px;
    font-size: 13px;
    white-space: nowrap;
}
.nav-dropdown { position: relative; display: flex; align-items: stretch; }
.nav-dropdown-btn { gap: 4px; }
.nav-flecha { font-size: 10px; transition: transform 0.15s; }
.nav-dropdown.dropdown-abierto .nav-flecha { transform: rotate(180deg); }
.nav-dropdown.activo > .nav-dropdown-btn {
    color: var(--color-blanco);
    border-bottom-color: var(--color-acento);
}
.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--color-blanco);
    border: 1px solid var(--color-borde);
    border-radius: 0 0 var(--radio) var(--radio);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    min-width: 200px;
    z-index: 300;
}
.nav-dropdown.dropdown-abierto .nav-dropdown-menu { display: block; }
.nav-grupo-titulo {
    padding: 8px 14px 4px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-texto-suave);
    letter-spacing: 0.5px;
    border-top: 1px solid var(--color-borde);
}
.nav-grupo-titulo:first-child { border-top: none; }
.nav-grupo-disabled { color: rgba(0,0,0,0.25); }
.nav-subitem {
    display: block;
    padding: 8px 14px 8px 20px;
    font-size: 13px;
    color: #2d2d2d !important;
    text-decoration: none;
    transition: background 0.1s;
}
.nav-subitem:hover { background: var(--color-fondo); }
.nav-subitem.activo {
    color: var(--color-primario) !important;
    font-weight: 600;
    background: #eef3f8;
}

/* --- Contenedor principal ---------------------------------- */
.contenedor {
    max-width: 1200px;
    margin: 24px auto;
    padding: 0 20px;
}

/* --- Panel ------------------------------------------------- */
.panel {
    background: var(--color-blanco);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 24px;
    margin-bottom: 20px;
}
.panel-titulo {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-primario);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--color-borde);
}

/* --- Login ------------------------------------------------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-fondo);
}
.login-caja {
    background: var(--color-blanco);
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    box-shadow: var(--sombra);
    padding: 36px 40px;
    width: 100%;
    max-width: 380px;
}
.login-logo {
    text-align: center;
    font-size: 22px;
    font-weight: 700;
    color: var(--color-primario);
    margin-bottom: 6px;
}
.login-subtitulo {
    text-align: center;
    color: var(--color-texto-suave);
    font-size: 13px;
    margin-bottom: 24px;
}

/* --- Formularios ------------------------------------------- */
.form-grupo { margin-bottom: 14px; }
.form-grupo label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 5px;
    color: var(--color-texto);
}
.form-grupo input[type="text"],
.form-grupo input[type="password"],
.form-grupo input[type="date"],
.form-grupo input[type="number"],
.form-grupo select,
.form-grupo textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    font-size: 14px;
    font-family: var(--fuente);
    background: var(--color-blanco);
    color: var(--color-texto);
    transition: border-color 0.15s;
}
.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
    outline: none;
    border-color: var(--color-primario);
    box-shadow: 0 0 0 2px rgba(44,95,138,0.15);
}
.form-grupo input[readonly],
.form-grupo input[disabled] {
    background: #f0f0f0;
    color: var(--color-texto-suave);
    cursor: not-allowed;
}
.form-fila {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
}

/* --- Botones ----------------------------------------------- */
.btn {
    display: inline-block;
    padding: 8px 18px;
    border: none;
    border-radius: var(--radio);
    font-size: 14px;
    font-family: var(--fuente);
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, opacity 0.15s;
    line-height: 1.4;
}
.btn-primario   { background: var(--color-primario); color: #fff; }
.btn-primario:hover  { background: var(--color-secundario); }
.btn-secundario { background: #e0e0e0; color: var(--color-texto); }
.btn-secundario:hover { background: #c8c8c8; }
.btn-peligro    { background: var(--color-error); color: #fff; }
.btn-peligro:hover   { opacity: 0.85; }
.btn-bloque     { width: 100%; text-align: center; padding: 10px; }

/* --- Alertas ----------------------------------------------- */
.alerta {
    padding: 10px 14px;
    border-radius: var(--radio);
    margin-bottom: 16px;
    font-size: 13px;
    border-left: 4px solid;
}
.alerta-ok    { background: var(--color-fondo-ok);    color: var(--color-ok);    border-color: var(--color-ok); }
.alerta-error { background: var(--color-fondo-error); color: var(--color-error); border-color: var(--color-error); }
.alerta-aviso { background: var(--color-fondo-aviso); color: var(--color-aviso); border-color: var(--color-aviso); }

/* --- Tabla ------------------------------------------------- */
.tabla-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
    background: var(--color-primario);
    color: var(--color-blanco);
    padding: 9px 12px;
    text-align: left;
    font-weight: 500;
    white-space: nowrap;
}
tbody tr:nth-child(even) { background: #f8f9fa; }
tbody tr:hover { background: #eef3f8; }
tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-borde);
    vertical-align: middle;
}
.col-acciones { white-space: nowrap; text-align: center; }
.col-acciones a { margin: 0 3px; }

/* --- Buscador ---------------------------------------------- */
.buscador-fila {
    display: flex;
    gap: 8px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.buscador-fila input[type="text"] {
    flex: 1;
    min-width: 200px;
    padding: 8px 10px;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    font-size: 14px;
}

/* --- Paginación -------------------------------------------- */
.paginacion {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: center;
    margin-top: 16px;
    flex-wrap: wrap;
}
.paginacion a, .paginacion span {
    padding: 5px 10px;
    border: 1px solid var(--color-borde);
    border-radius: var(--radio);
    font-size: 13px;
    text-decoration: none;
    color: var(--color-primario);
    background: var(--color-blanco);
}
.paginacion span.activa {
    background: var(--color-primario);
    color: var(--color-blanco);
    border-color: var(--color-primario);
}
.paginacion a:hover { background: var(--color-fondo); }

/* --- Badge ------------------------------------------------- */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 600;
}
.badge-activo   { background: #d4edda; color: #1a5c28; }
.badge-inactivo { background: #f0f0f0; color: #777; }

/* --- Precio resaltado -------------------------------------- */
.precio {
    background: #e0f7fa;
    color: #000000;
    font-weight: 700;
    font-size: 15px;
    padding: 4px 8px;
    border-radius: var(--radio);
}

/* --- Responsive tabla -------------------------------------- */
@media (max-width: 600px) {
    .tabla-articulos thead th:nth-child(2),
    .tabla-articulos thead th:nth-child(4),
    .tabla-articulos thead th:nth-child(5),
    .tabla-articulos thead th:nth-child(6),
    .tabla-articulos tbody td:nth-child(2),
    .tabla-articulos tbody td:nth-child(4),
    .tabla-articulos tbody td:nth-child(5),
    .tabla-articulos tbody td:nth-child(6) { display: none; }

    .tabla-rubros thead th:nth-child(3),
    .tabla-rubros thead th:nth-child(4),
    .tabla-rubros tbody td:nth-child(3),
    .tabla-rubros tbody td:nth-child(4) { display: none; }

    .tabla-listas thead th:nth-child(3),
    .tabla-listas thead th:nth-child(4),
    .tabla-listas tbody td:nth-child(3),
    .tabla-listas tbody td:nth-child(4) { display: none; }
}

/* --- Responsive menú móvil --------------------------------- */
@media (max-width: 768px) {
    .hamburguesa { display: flex; }
    .header { padding: 0 16px; }
    .contenedor { padding: 0 12px; }
    .panel { padding: 16px; }
    .login-caja { padding: 24px 20px; }
    .form-fila { grid-template-columns: 1fr; }

    .nav {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 52px;
        left: 0;
        right: 0;
        bottom: 0;
        overflow-y: auto;
        padding: 8px 0;
        z-index: 190;
    }
    .nav.nav-abierto { display: flex; }
    .nav-item { padding: 12px 20px; border-bottom: none; border-left: 3px solid transparent; }
    .nav-item:hover, .nav-item.activo { border-bottom-color: transparent; border-left-color: var(--color-acento); }
    .nav-disabled { padding: 12px 20px; }
    .nav-dropdown { flex-direction: column; }
    .nav-dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(0,0,0,0.15);
        display: none;
    }
    .nav-dropdown.dropdown-abierto .nav-dropdown-menu { display: block; }
    .nav-grupo-titulo { color: rgba(255,255,255,0.5); border-color: rgba(255,255,255,0.1); }
    .nav-grupo-disabled { color: rgba(255,255,255,0.2); }
    .nav-subitem { padding-left: 28px; }
    .nav-subitem:hover { background: rgba(255,255,255,0.1); }
    .nav-subitem.activo { color: var(--color-blanco) !important; background: rgba(255,255,255,0.15); font-weight: 600; }
}

/* --- Barra horizontal -------------------------------------- */
.nav-horizontal {
    background: var(--color-secundario);
    display: flex;
    align-items: stretch;
    padding: 0 16px;
    position: sticky;
    top: 52px;
    z-index: 190;
}
.nav-h-item {
    color: rgba(255,255,255,0.80);
    text-decoration: none;
    padding: 10px 14px;
    font-size: 13px;
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    transition: all 0.15s;
}
.nav-h-item:hover, .nav-h-item.activo {
    color: var(--color-blanco);
    border-bottom-color: var(--color-acento);
}
.nav-h-disabled {
    color: rgba(255,255,255,0.30) !important;
    cursor: not-allowed;
    pointer-events: none;
}

/* --- Layout con sidebar ------------------------------------ */
.layout-con-sidebar {
    display: flex;
    align-items: flex-start;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0;
    min-height: calc(100vh - 104px);
}

/* --- Sidebar árbol ----------------------------------------- */
.sidebar-arbol {
    display: block;
    width: 230px;
    min-width: 230px;
    background: var(--color-blanco);
    border-right: 1px solid var(--color-borde);
    min-height: calc(100vh - 104px);
    position: sticky;
    top: 104px;
    overflow-y: auto;
    max-height: calc(100vh - 104px);
}
.sidebar-titulo {
    padding: 10px 14px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-texto-suave);
    background: var(--color-fondo);
    border-bottom: 1px solid var(--color-borde);
}

/* Grupo nivel 1 */
.arbol-grupo-titulo {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-texto);
    cursor: pointer;
    border-bottom: 1px solid var(--color-borde);
    user-select: none;
    background: var(--color-fondo);
}
.arbol-grupo-titulo:hover { background: #e8edf2; }
.arbol-grupo-titulo .ti { font-size: 15px; color: var(--color-primario); }
.arbol-flecha { margin-left: auto; font-size: 12px; color: var(--color-texto-suave); transition: transform 0.2s; }
.arbol-grupo-titulo.abierto .arbol-flecha { transform: rotate(180deg); }
.arbol-grupo-titulo.arbol-disabled {
    color: rgba(0,0,0,0.30);
    cursor: not-allowed;
}
.arbol-grupo-titulo.arbol-disabled .ti { color: rgba(0,0,0,0.20); }

.arbol-grupo-items { display: none; }
.arbol-grupo-items.abierto { display: block; }

/* Item nivel 1 */
.arbol-item {
    display: block;
    padding: 7px 14px 7px 36px;
    font-size: 13px;
    color: var(--color-texto);
    text-decoration: none;
    border-bottom: 1px solid var(--color-borde);
    transition: background 0.1s;
}
.arbol-item:hover { background: #eef3f8; }
.arbol-item.activo {
    color: var(--color-primario);
    font-weight: 600;
    background: #dce8f5;
    border-left: 3px solid var(--color-primario);
    padding-left: 33px;
}
.arbol-item-disabled {
    color: rgba(0,0,0,0.28) !important;
    cursor: not-allowed;
    pointer-events: none;
}

/* Subgrupo nivel 2 */
.arbol-subgrupo { border-bottom: 1px solid var(--color-borde); }
.arbol-subgrupo-titulo {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px 7px 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-texto);
    cursor: pointer;
    user-select: none;
    background: #f0f4f8;
}
.arbol-subgrupo-titulo:hover { background: #e4ecf4; }
.arbol-subgrupo-titulo .ti { font-size: 13px; color: var(--color-primario); }
.arbol-subflecha { font-size: 11px; color: var(--color-texto-suave); transition: transform 0.2s; }
.arbol-subgrupo-titulo.abierto .arbol-subflecha { transform: rotate(90deg); }
.arbol-subgrupo-items { display: none; }
.arbol-subgrupo-items.abierto { display: block; }

/* Item nivel 2 */
.arbol-subitem {
    display: block;
    padding: 6px 14px 6px 50px;
    font-size: 12px;
    color: var(--color-texto);
    text-decoration: none;
    border-bottom: 1px solid var(--color-borde);
    transition: background 0.1s;
}
.arbol-subitem:hover { background: #eef3f8; }
.arbol-subitem.activo {
    color: var(--color-primario);
    font-weight: 600;
    background: #dce8f5;
    border-left: 3px solid var(--color-primario);
    padding-left: 47px;
}

/* Contenido principal */
.main-contenido {
    flex: 1;
    padding: 24px 20px;
    min-width: 0;
}

/* --- Responsive sidebar y nav horizontal ------------------- */
@media (max-width: 768px) {

    /* Nav horizontal: oculto en móvil */
    .nav-horizontal { display: none !important; }

    /* Sidebar: oculto por defecto en móvil, se abre como drawer */
    .sidebar-arbol {
        display: none !important;
        position: fixed;
        top: 52px;
        left: 0;
        bottom: 0;
        width: 260px;
        min-width: 260px;
        z-index: 500;
        box-shadow: 4px 0 16px rgba(0,0,0,0.18);
        overflow-y: auto;
        max-height: none;
    }
    .sidebar-arbol.sidebar-abierto { display: block !important; }

    /* Overlay oscuro detrás del sidebar cuando está abierto */
    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 52px;
        left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.40);
        z-index: 499;
    }
    .sidebar-overlay.sidebar-abierto { display: block; }

    /* Botón para abrir el sidebar en móvil */
    .btn-sidebar-toggle {
        display: flex;
        align-items: center;
        gap: 6px;
        background: var(--color-primario);
        color: #fff;
        border: none;
        padding: 8px 14px;
        font-size: 13px;
        font-family: var(--fuente);
        cursor: pointer;
        border-radius: var(--radio);
        margin-bottom: 12px;
    }
    .btn-sidebar-toggle:hover { background: var(--color-secundario); }

    /* Layout en columna */
    .layout-con-sidebar { flex-direction: column; }
    .main-contenido { padding: 16px 12px; width: 100%; }
}

/* En desktop: toggle y overlay nunca se muestran */
@media (min-width: 769px) {
    .btn-sidebar-toggle { display: none; }
    .sidebar-overlay { display: none !important; }
}