/* Definición de Paleta de Colores */
:root {
    --color-primary-purple: #6f42c1;
    --color-secondary-green: #2ecc71;
    --color-dark-sidebar: #212529;
    --color-light-background: #f8f9fa;
    --color-text-dark: #343a40;
    --color-text-light: #e9ecef;
    --sidebar-width: 250px;
    --navbar-height: 56px;
}

/* -----------------------------------------------------------------
   ESTILOS GENERALES Y LOGIN
   ----------------------------------------------------------------- */
body {
    font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--color-light-background);
    /* Espacio para la navbar fija en la parte superior */
    padding-top: var(--navbar-height);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Text formatting preview styles */
.format-preview {
    display: block;
    margin-top: 2px;
    padding: 2px 6px;
    background-color: #e3f2fd;
    color: #1976d2;
    border-radius: 4px;
    border-left: 3px solid #2196f3;
    font-size: 0.75em !important;
    line-height: 1.3;
    transition: all 0.2s ease;
}

.format-preview:empty {
    display: none !important;
}

.login-body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(-45deg, #6f42c1, #5d34a4, #2f80ed, #2ecc71);
    background-size: 400% 400%;
    animation: gradientFlow 18s ease infinite;
    padding-top: 0; /* El login no necesita el padding */
    margin-left: 0 !important; /* Evita el empuje del sidebar en escritorio */
}

.login-card {
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    border-radius: 0.75rem;
    width: 100%;
    max-width: 420px;
    overflow: hidden;
    transform: translateY(10px);
    opacity: 0;
    animation: riseIn 700ms ease forwards 200ms;
}

.login-header {
    background-color: var(--color-primary-purple);
    color: white;
    padding: 2rem 1.5rem;
    text-align: center;
}

/* -----------------------------------------------------------------
   ESTILOS DASHBOARD (MOBILE-FIRST)
   ----------------------------------------------------------------- */

/* Navbar Superior (Común para móvil y escritorio) */
.navbar {
    background-color: var(--color-dark-sidebar) !important;
    border-bottom: 3px solid var(--color-secondary-green);
    backdrop-filter: saturate(120%) blur(6px);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--color-secondary-green) !important;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2846, 204, 113, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Sidebar (Off-canvas en móvil, Fijo en escritorio) */
.sidebar.offcanvas {
    background-color: var(--color-primary-purple);
    color: var(--color-text-light);
}

.sidebar .offcanvas-body.kp-sidebar-body {
    padding: 6px 0 4px;
}

.sidebar .nav.flex-column {
    padding-top: 2px;
    padding-bottom: 4px;
}

.sidebar .nav.flex-column > .nav-item:first-child {
    margin-top: 4px;
}

.sidebar .nav.flex-column > .nav-item + .nav-item {
    margin-top: 0;
}

.sidebar .nav-link {
    color: var(--color-text-light);
    padding: 10px 15px;
    border-left: 3px solid transparent;
    transition: all 0.22s ease;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: white;
    background-color: #5d34a4;
    border-left-color: var(--color-secondary-green);
}

.sidebar .nav-link i {
    margin-right: 10px;
    font-size: 1.1rem;
}

/* Contenido Principal */
.main-content {
    padding: 20px;
    animation: contentFade 400ms ease both;
}

/* Estilo para enlaces no funcionales */
.disabled-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.disabled-link:hover {
    background-color: transparent !important;
    color: var(--color-text-light) !important;
    border-left-color: transparent !important;
}

/* -----------------------------------------------------------------
   AJUSTES PARA ESCRITORIO (VISTA ANCHA)
   ----------------------------------------------------------------- */
@media (min-width: 992px) {
    body {
        /* Empuja el contenido principal para dejar espacio al sidebar fijo */
        margin-left: var(--sidebar-width);
    }

    .navbar-toggler {
        /* Oculta el botón de hamburguesa en escritorio */
        display: none;
    }

    .sidebar.offcanvas {
        /* Anula el comportamiento de off-canvas y lo hace fijo */
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: var(--sidebar-width);
        transform: none;
        visibility: visible;
        padding-top: var(--navbar-height); /* Espacio para la navbar superior */
    }

    .sidebar .offcanvas-header {
        /* El header del off-canvas no es necesario en escritorio */
        display: none;
    }

    .main-content {
        padding: 30px;
    }

    /* En escritorio, mantener el login centrado */
    .login-body { justify-content: center; padding-left: 0; }
}

/* -----------------------------------------------------------------
   Topbar and Sidebar collapse (Desktop)
   ----------------------------------------------------------------- */
.topbar {
    background-color: var(--color-dark-sidebar) !important;
    height: var(--navbar-height);
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
    padding-left: 1rem;
    padding-right: 1rem;
    transition: background-color 220ms ease, box-shadow 220ms ease;
}

.brand-logo {
    height: 28px;
    width: auto;
}

.brand-text {
    font-weight: 700;
    color: var(--color-secondary-green);
}

/* When sidebar is collapsed on desktop, shrink width and hide labels */
@media (min-width: 992px) {
    body.kp-sidebar-collapsed {
        margin-left: 80px; /* reduced space for icons-only sidebar */
    }

    body.kp-sidebar-collapsed .sidebar.offcanvas {
        width: 80px;
        padding-top: var(--navbar-height);
    }

    body.kp-sidebar-collapsed .sidebar .nav-link {
        padding: 12px 10px;
        text-align: center;
    }

    body.kp-sidebar-collapsed .sidebar .nav-link .nav-label,
    body.kp-sidebar-collapsed .sidebar .sub-menu .nav-link .nav-label {
        display: none;
    }

    body.kp-sidebar-collapsed .sidebar .nav-link i {
        margin-right: 0;
        display: block;
        font-size: 1.2rem;
    }

    /* smaller icons-only submenu spacing */
    body.kp-sidebar-collapsed .sidebar .sub-menu {
        display: none; /* keep it simple for collapsed state */
    }

    /* transition for smooth collapse without layout jitter */
    .sidebar.offcanvas {
        transition: width 220ms ease, padding 220ms ease;
    }

    .main-content {
        transition: margin-left 220ms ease, padding 220ms ease;
    }
}

/* Improve nav labels visibility and spacing */
.sidebar .nav-link .nav-label {
    vertical-align: middle;
    margin-left: 8px;
}

/* Sub-menu tweaks */
.sidebar .sub-menu .nav-link {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    min-height: 40px;
    padding: 8px 12px;
    overflow: visible;
}

.sidebar .sub-menu .nav-link i {
    margin-right: 0;
}

.sidebar .sub-menu .nav-link .nav-label {
    margin-left: 0;
    flex: 1 1 auto;
    min-width: 0;
}

.sidebar .sub-menu {
    padding-top: 2px;
    padding-bottom: 2px;
}

.sidebar .sub-menu .nav-item + .nav-item {
    margin-top: 0;
}

@media (max-width: 575.98px) {
    .sidebar .offcanvas-body.kp-sidebar-body {
        padding: 8px 0 4px;
    }

    .sidebar .nav.flex-column > .nav-item + .nav-item {
        margin-top: 0;
    }
}

/* Accessibility: focus states */
.sidebar .nav-link:focus {
    outline: 3px solid rgba(46,204,113,0.18);
    outline-offset: -3px;
}

/* Make the search input look more integrated in topbar */
.topbar .form-control {
    width: 220px;
    background: rgba(255,255,255,0.06);
    color: var(--color-text-light);
    border: none;
}

.topbar .form-control::placeholder { color: rgba(233,236,239,0.6); }

/* Dropdown polish (global) */
.dropdown-menu {
    min-width: 200px;
    border-radius: 12px;
    border: 1px solid rgba(15,23,42,0.1);
    box-shadow: 0 14px 30px rgba(15,23,42,0.14);
    padding: 0.45rem;
    overflow: hidden;
}

.dropdown-item {
    border-radius: 9px;
    padding: 0.55rem 0.7rem;
    font-weight: 500;
    transition: background-color 0.16s ease, color 0.16s ease, transform 0.14s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: rgba(111,66,193,0.1);
    color: #2d2a35;
    transform: translateX(1px);
}

.dropdown-divider {
    margin: 0.4rem 0.2rem;
    opacity: 0.6;
}

.dropdown-toggle::after {
    vertical-align: middle;
    margin-left: 0.35rem;
}

/* Native select polish (global) */
select.form-select,
select.form-control {
    cursor: pointer;
    padding-right: 2.2rem;
    background-position: right 0.7rem center;
}

select.form-select option,
select.form-control option {
    background: #ffffff;
    color: #1f2937;
    padding: 8px 10px;
}

select.form-select option:checked,
select.form-control option:checked {
    background: rgba(111,66,193,0.18);
    color: #1f2937;
    font-weight: 600;
}

/* Ensure main content uses full width with smooth padding */
.main-content { min-height: calc(100vh - var(--navbar-height)); }

/* Cards reveal */
.reveal { opacity: 0; transform: translateY(8px); transition: all 420ms ease; }
.reveal-in { opacity: 1 !important; transform: translateY(0) !important; }

/* Ensure Bootstrap modal/backdrop z-index order is correct above custom topbar/sidebar
     and avoid the modal/backdrop blocking UI on mobile. Keep pointer-events default
     so clicks work naturally; control stacking with z-index and reduce backdrop opacity
     on small screens to avoid a visually overpowering shadow. */
.modal { z-index: 2000 !important; }
.modal.show .modal-dialog { pointer-events: auto; }
.modal-backdrop { z-index: 1990 !important; background-color: rgba(0,0,0,0.5); }
.offcanvas-backdrop { z-index: 1040 !important; }

/* Mobile-specific modal sizing: full-width dialogs with small margins */
@media (max-width: 767.98px) {
    .modal-dialog { max-width: calc(100% - 16px); margin: 8px; }
    .modal-backdrop { background-color: rgba(0,0,0,0.45); }
}

/* Reduce heavy shadows and active-state overlays on small screens so elements
     don't feel visually 'blocked' after interactions. This is purely visual. */
@media (max-width: 991.98px) {
    .card, .btn, .dropdown-menu { box-shadow: none !important; }
    .card:hover { transform: none !important; }
    .btn:active, .btn:focus { box-shadow: none !important; }
    /* Slightly lower backdrop opacity globally on mobile to avoid a too-dark overlay */
    .modal-backdrop.show { opacity: 0.5 !important; }
}

/* Make modals easier to tap on mobile - slightly larger buttons inside modals */
@media (max-width: 575.98px) {
    .modal .btn { padding: .6rem .9rem; font-size: 1rem; }
}

/* Ripple effect for buttons */
.btn { position: relative; overflow: hidden; }
.btn .ripple { position: absolute; border-radius: 50%; transform: scale(0); animation: ripple 600ms linear; background-color: rgba(255,255,255,0.5); pointer-events: none; z-index: 0; }

/* Card hover lift */
.card { transition: transform 180ms ease, box-shadow 180ms ease; }
.card:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(0,0,0,0.08); }

/* Keyframes */
@keyframes ripple { to { transform: scale(4); opacity: 0; } }
@keyframes gradientFlow { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes riseIn { to { opacity: 1; transform: translateY(0); } }
@keyframes contentFade { from { opacity: 0; } to { opacity: 1; } }

/* ---------------------------------------------------------------
     POS mobile enhancements (UI-only, no logic changes)
     --------------------------------------------------------------- */
/* Mobile tab buttons to switch between product/cart and payments panes */
.kp-mobile-tabs { display: none; }
.kp-mobile-tabs .btn { border-width: 2px; }
.kp-mobile-tabs .btn.active { background: var(--color-secondary-green); color: #fff; border-color: var(--color-secondary-green); }

/* Panels are toggled on mobile; always visible on desktop */
@media (max-width: 991.98px) {
    .kp-mobile-tabs { display: block; position: sticky; top: 0; z-index: 5; background: var(--color-light-background); padding-top: 4px; }
    .kp-mobile-panel { display: none; }
    .kp-mobile-panel.active { display: block; }
    /* Improve touch targets on mobile */
    .kp-qty.qty-control .btn { width: 40px; height: 40px; }
    .kp-qty.qty-control .qty-input { height: 40px; }
    .kp-cart-table .btn, .kp-cart-table .form-control { height: 42px; }
}

@media (min-width: 992px) {
    .kp-mobile-tabs { display: none !important; }
    .kp-mobile-panel { display: block !important; }
}

/* ---------------------------------------------------------------
     Global mobile UX improvements across modules (dashboard, settings)
     --------------------------------------------------------------- */
@media (max-width: 767.98px) {
    /* Softer spacing on mobile */
    .container-fluid { padding-left: 12px; padding-right: 12px; }
    .main-content { padding: 14px; }
    .card .card-body { padding: 0.9rem; }
    .card .card-header { padding: 0.75rem 0.9rem; }
    .list-group-item { padding: 0.5rem 0.75rem; }
    .page-header h1.h3 { font-size: 1.15rem; }
    /* Buttons wrap nicely */
    .btn-group, .d-flex.gap-2 { flex-wrap: wrap; }
}

/* Configuración: make left tab list horizontal/scrollable on mobile */
@media (max-width: 1199.98px) {
    #cfg-tabs { display: flex !important; flex-direction: row !important; overflow-x: auto; gap: 8px; }
    #cfg-tabs .nav-link { flex: 0 0 auto; border-radius: 24px; padding: 8px 14px; white-space: nowrap; }
    /* Disable sticky behavior of the tabs card on non-desktop to avoid overlap issues */
    .position-sticky { position: static !important; top: auto !important; }
}

/* Make tables scrollable if they overflow, helpful for narrow screens */
.table-responsive { overflow-x: auto; }

/* Backdrop for offcanvas on mobile a bit lighter */
.offcanvas-backdrop.show { opacity: 0.45; }