:root {
    --sidebar-width: 260px;
}

body {
    overflow-x: hidden;
    min-height: 100vh;
    font-family: 'Manrope', sans-serif;
    background-color: var(--bs-body-bg);
}

.auth-shell {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    overflow: hidden;
    background-color: var(--bs-body-bg);
}

.toast-stack {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1080;
    max-width: 420px;
}

.app-notice-stack {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1085;
    width: min(92vw, 420px);
}

.app-notice {
    border-radius: 0.9rem;
    border-width: 1px;
}

.brand-mark {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
    color: #fff;
    box-shadow: 0 15px 35px rgba(13, 110, 253, 0.22);
}

.brand-mark-lg {
    width: 4.25rem;
    height: 4.25rem;
    font-size: 1.6rem;
}

.login-card {
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--bs-border-color);
    border-radius: 1.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.login-school-logo {
    width: 84px;
    height: 84px;
    object-fit: contain;
}

#sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    border-right: 1px solid var(--bs-border-color);
    background: var(--bs-tertiary-bg) !important;
    background-color: var(--bs-tertiary-bg) !important;
    opacity: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

#sidebar::-webkit-scrollbar {
    width: 6px;
}

#sidebar::-webkit-scrollbar-thumb {
    background-color: var(--bs-secondary-bg);
    border-radius: 10px;
}

#sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
}

#main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

#main-content.expanded {
    margin-left: 0;
}

.top-header {
    border-bottom: 1px solid var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
    backdrop-filter: blur(18px);
}

#sidebarBackdrop {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(15, 23, 42, 0.38);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.student-search-wrap {
    width: 340px;
}

.student-search-results {
    position: absolute;
    top: calc(100% + 0.35rem);
    left: 0;
    right: 0;
    z-index: 1060;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.8rem;
    background: var(--bs-body-bg);
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    max-height: 320px;
    overflow-y: auto;
}

.student-search-item {
    width: 100%;
    border: 0;
    border-bottom: 1px solid var(--bs-border-color-translucent);
    padding: 0.55rem 0.75rem;
    text-align: left;
    background: transparent;
    color: var(--bs-body-color);
}

.student-search-item:last-child {
    border-bottom: 0;
}

.student-search-item:hover,
.student-search-item:focus {
    background: var(--bs-tertiary-bg);
}

.school-year-badge {
    font-size: 0.78rem;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.sidebar-link {
    border-radius: 0.75rem;
    margin: 0.2rem 1rem;
    padding: 0.8rem 1rem;
    color: var(--bs-body-color);
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: 0.2s;
}

.sidebar-link:hover,
.sidebar-link.active {
    background-color: var(--bs-primary);
    color: #fff;
}

.sidebar-link i {
    margin-right: 15px;
    font-size: 1.2rem;
}

.submenu {
    list-style: none;
    margin: 0;
    padding-left: 2.8rem;
    padding-right: 0.9rem;
}

.submenu li {
    margin-bottom: 0.2rem;
}

.submenu a {
    display: block;
    text-decoration: none;
    color: var(--bs-secondary-color);
    padding: 0.45rem 0.45rem;
    border-radius: 0.55rem;
    transition: 0.2s;
}

.submenu a:hover,
.submenu a.active {
    color: var(--bs-primary);
    background-color: var(--bs-secondary-bg);
}

.sidebar-school-logo {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    object-fit: contain;
    object-position: center;
    padding: 4px;
    border: none;
    background-color: var(--bs-body-bg);
    image-rendering: auto;
}

.sidebar-brand {
    flex: 0 0 auto;
    padding-top: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 0;
    border-bottom: 1px solid var(--bs-border-color);
    background: var(--bs-tertiary-bg) !important;
    background-color: var(--bs-tertiary-bg) !important;
}

.sidebar-brand-name {
    font-size: 1.03rem;
    letter-spacing: 0.01em;
}

.sidebar-menu-scroll {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding-bottom: 0.5rem;
    background: var(--bs-tertiary-bg) !important;
    background-color: var(--bs-tertiary-bg) !important;
}

.sidebar-menu-scroll::-webkit-scrollbar {
    width: 6px;
}

.sidebar-menu-scroll::-webkit-scrollbar-thumb {
    background-color: var(--bs-secondary-bg);
    border-radius: 10px;
}

.sidebar-footer {
    flex: 0 0 auto;
    margin-top: auto;
    padding-top: 0.75rem;
    border-top: 1px solid var(--bs-border-color);
    background: var(--bs-tertiary-bg) !important;
    background-color: var(--bs-tertiary-bg) !important;
}

.surface-card {
    border: 1px solid var(--bs-border-color-translucent) !important;
}

.sidebar-section-label {
    list-style: none;
    margin: 0.9rem 1rem 0.25rem;
    padding: 0 0.5rem;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
}

.sidebar-section-divider {
    list-style: none;
    height: 1px;
    margin: 0.65rem 1rem;
    background-color: var(--bs-border-color);
    opacity: 0.85;
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
}

.card {
    border-radius: 1.2rem;
    border: 1px solid var(--bs-border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.stat-icon {
    width: 50px;
    height: 50px;
}

.feature-grid {
    display: grid;
    gap: 0;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: center;
    border-bottom: 1px solid var(--bs-border-color-translucent);
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.feature-icon {
    width: 45px;
    height: 45px;
}

.app-footer {
    margin-top: auto;
}

.pos-table th {
    background-color: var(--bs-tertiary-bg);
}

.pos-table tbody tr.cxc-highlight-row > * {
    background-color: var(--cxc-row-bg, transparent) !important;
}

.pos-table tbody tr.cxc-highlight-row:hover > * {
    background-color: var(--cxc-row-bg, transparent) !important;
}

.pos-table tbody tr.cxc-highlight-row > td:first-child {
    border-left: 6px solid var(--cxc-row-accent, transparent);
}

.pos-table tbody tr.cxc-row-inscription {
    --cxc-row-bg: rgba(229, 57, 53, 0.24);
    --cxc-row-accent: #e53935;
}

.pos-table tbody tr.cxc-row-month-1  { --cxc-row-bg: rgba(251, 140, 0, 0.24);  --cxc-row-accent: #fb8c00; }  /* Enero */
.pos-table tbody tr.cxc-row-month-2  { --cxc-row-bg: rgba(253, 216, 53, 0.24);  --cxc-row-accent: #fdd835; }  /* Febrero */
.pos-table tbody tr.cxc-row-month-3  { --cxc-row-bg: rgba(67, 160, 71, 0.24);   --cxc-row-accent: #43a047; }  /* Marzo */
.pos-table tbody tr.cxc-row-month-4  { --cxc-row-bg: rgba(0, 137, 123, 0.24);   --cxc-row-accent: #00897b; }  /* Abril */
.pos-table tbody tr.cxc-row-month-5  { --cxc-row-bg: rgba(0, 172, 193, 0.24);   --cxc-row-accent: #00acc1; }  /* Mayo */
.pos-table tbody tr.cxc-row-month-6  { --cxc-row-bg: rgba(30, 136, 229, 0.24);  --cxc-row-accent: #1e88e5; }  /* Junio */
.pos-table tbody tr.cxc-row-month-7  { --cxc-row-bg: rgba(57, 73, 171, 0.24);   --cxc-row-accent: #3949ab; }  /* Julio */
.pos-table tbody tr.cxc-row-month-8  { --cxc-row-bg: rgba(142, 36, 170, 0.24);  --cxc-row-accent: #8e24aa; }  /* Agosto */
.pos-table tbody tr.cxc-row-month-9  { --cxc-row-bg: rgba(216, 27, 96, 0.24);   --cxc-row-accent: #d81b60; }  /* Septiembre */
.pos-table tbody tr.cxc-row-month-10 { --cxc-row-bg: rgba(109, 76, 65, 0.24);   --cxc-row-accent: #6d4c41; }  /* Octubre */
.pos-table tbody tr.cxc-row-month-11 { --cxc-row-bg: rgba(84, 110, 122, 0.24);  --cxc-row-accent: #546e7a; }  /* Noviembre */
.pos-table tbody tr.cxc-row-month-12 { --cxc-row-bg: rgba(124, 179, 66, 0.24);  --cxc-row-accent: #7cb342; }  /* Diciembre */

.pay-input-group .input-group-text {
    width: 52px;
    justify-content: center;
}

#scrollTopBtn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    display: none;
    z-index: 1050;
}

[data-bs-theme="dark"] table.dataTable,
[data-bs-theme="dark"] .table {
    --bs-table-bg: transparent;
    --bs-table-striped-bg: rgba(255, 255, 255, 0.03);
    --bs-table-hover-bg: rgba(255, 255, 255, 0.05);
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border-radius: 0.75rem;
    border: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

.dataTables_wrapper .dataTables_filter input {
    margin-left: 0.5rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    border-radius: 0.65rem !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
    background: var(--bs-primary);
    border-color: var(--bs-primary);
    color: #fff !important;
}

.datatable-shell {
    position: relative;
}

.datatable-shell:not(.datatable-ready) {
    min-height: 160px;
    max-height: 160px;
    overflow: hidden;
}

.datatable-loading {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: var(--bs-tertiary-bg);
    border-radius: 1rem;
    z-index: 2;
}

.datatable-shell.datatable-ready .datatable-loading {
    display: none;
}

.datatable-pending {
    visibility: hidden;
}

.dataTables_wrapper .table {
    border: 1px solid var(--bs-border-color);
}

.dataTables_wrapper .table > :not(caption) > * > * {
    border-color: var(--bs-border-color);
}

.sales-cart-table {
    table-layout: auto;
    min-width: 580px;
}

.sales-cart-table .cart-product-col {
    min-width: 220px;
    white-space: normal;
}

.sales-cart-table .cart-product-name {
    display: block;
    line-height: 1.25;
    white-space: normal;
    word-break: normal;
}

.sales-cart-table th,
.sales-cart-table td {
    white-space: nowrap;
}

.service-charge-cart-table {
    table-layout: auto;
    min-width: 980px;
}

.service-charge-cart-table .cart-service-col {
    min-width: 220px;
    white-space: normal;
}

.service-charge-cart-table .cart-service-name {
    display: block;
    line-height: 1.25;
    white-space: normal;
    word-break: normal;
}

.service-charge-cart-table th,
.service-charge-cart-table td {
    white-space: nowrap;
}

.service-items-table {
    table-layout: auto;
    min-width: 1150px;
}

.service-items-table th,
.service-items-table td {
    white-space: nowrap;
}

#sidebarToggle,
#themeToggle {
    width: 40px;
    height: 40px;
}

@media (max-width: 768px) {
    .header-center-tools {
        display: none !important;
    }

    .dataTables_wrapper .dataTables_info,
    .dataTables_wrapper .dataTables_paginate {
        float: none !important;
        text-align: center !important;
        width: 100% !important;
    }

    .dataTables_wrapper .dataTables_paginate {
        margin-top: 0.75rem;
        overflow-x: hidden !important;
    }

    .dataTables_wrapper .dataTables_paginate ul.pagination {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 0 !important;
        width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
    }

    .dataTables_wrapper .dataTables_paginate ul.pagination > li.paginate_button,
    .dataTables_wrapper .dataTables_paginate ul.pagination > li {
        margin: 0 !important;
        float: none !important;
    }

    .dataTables_wrapper .dataTables_paginate ul.pagination > li > a,
    .dataTables_wrapper .dataTables_paginate ul.pagination > li > span {
        white-space: nowrap !important;
    }

    .dataTables_wrapper .dataTables_paginate .ellipsis {
        padding-left: 0.4rem !important;
        padding-right: 0.4rem !important;
    }

    #sidebar {
        margin-left: calc(-1 * var(--sidebar-width));
        box-shadow: 0 20px 45px rgba(0, 0, 0, 0.22);
    }

    #sidebar.mobile-open {
        margin-left: 0;
    }

    #sidebar.mobile-open + #sidebarBackdrop {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    #main-content {
        margin-left: 0;
    }
}