/* Vibrant Learning theme - Modern Pink / Rose Blossom Palette */
:root {
    --vl-surface: #fff5f7;
    --vl-surface-container-lowest: #ffffff;
    --vl-surface-container-low: #fff0f3;
    --vl-surface-container: #ffe4e8;
    --vl-surface-container-high: #fed7df;
    --vl-surface-container-highest: #fecdd6;
    --vl-on-surface: #1f2937;
    --vl-on-surface-variant: #4b5563;
    --vl-outline: #9ca3af;
    --vl-outline-variant: #fecdd3;
    
    /* Primary Pink / Rose Colors */
    --vl-primary: #e11d48;
    --vl-primary-hover: #be123c;
    --vl-primary-active: #9f1239;
    --vl-primary-container: #fb7185;
    --vl-primary-soft: #ffe4e6;
    --vl-primary-gradient: linear-gradient(135deg, #e11d48 0%, #f43f5e 100%);
    
    /* Accents & Gamification */
    --vl-secondary: #d97706;
    --vl-secondary-container: #f59e0b;
    --vl-tertiary: #9333ea;
    --vl-tertiary-container: #a855f7;
    --vl-error: #e11d48;
    --vl-error-container: #ffe4e6;
    
    /* Radius & Spacing */
    --vl-radius-sm: 0.6rem;
    --vl-radius: 1rem;
    --vl-radius-lg: 1.5rem;
    --vl-radius-xl: 2rem;
    
    /* Bootstrap 5 Native Overrides */
    --bs-primary: #e11d48;
    --bs-primary-rgb: 225, 29, 72;
    --bs-link-color: #e11d48;
    --bs-link-hover-color: #be123c;
    --bs-focus-ring-color: rgba(225, 29, 72, 0.25);
    --bs-primary-bg-subtle: #ffe4e6;
    --bs-primary-border-subtle: #fecdd3;
    --bs-primary-text-emphasis: #9f1239;

    /* Soft Rose Glow Shadows */
    --vl-shadow: 0 4px 20px -2px rgba(225, 29, 72, 0.08);
    --vl-shadow-hover: 0 10px 28px -8px rgba(225, 29, 72, 0.22);
}

html,
body {
    font-family: "Nunito Sans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
    background: var(--vl-surface) !important;
    color: var(--vl-on-surface);
}

h1,
h2,
h3,
h4,
h5,
h6,
.navbar-brand,
.sidebar-brand,
.btn,
.form-label,
.sidebar-group-title,
.list-group-item,
.badge {
    font-family: "Quicksand", "Nunito Sans", system-ui, sans-serif;
}

a {
    color: var(--vl-primary);
    transition: color 0.15s ease-in-out;
}

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

::selection {
    background: var(--vl-primary-soft);
    color: var(--vl-primary-active);
}

.bg-primary {
    background-color: var(--vl-primary) !important;
    background-image: var(--vl-primary-gradient) !important;
}

.text-primary {
    color: var(--vl-primary) !important;
}

.border-primary {
    border-color: var(--vl-primary) !important;
}

.btn {
    border-radius: 999px;
    font-weight: 700;
    min-height: 38px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:focus-visible,
.form-control:focus,
.form-select:focus,
.form-check-input:focus,
.page-link:focus {
    border-color: var(--vl-primary);
    box-shadow: 0 0 0 0.22rem rgba(225, 29, 72, 0.18);
}

.btn-primary {
    background-color: var(--vl-primary);
    background-image: var(--vl-primary-gradient);
    border-color: var(--vl-primary);
    box-shadow: 0 3px 0 var(--vl-primary-hover), 0 8px 20px -10px rgba(225, 29, 72, 0.55);
    color: #ffffff !important;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--vl-primary-hover);
    background-image: none;
    border-color: var(--vl-primary-hover);
    color: #ffffff !important;
}

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

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: #fff !important;
    background-color: var(--vl-primary);
    background-image: var(--vl-primary-gradient);
    border-color: var(--vl-primary);
}

.btn-secondary,
.btn-outline-secondary:hover {
    background-color: var(--vl-secondary);
    border-color: var(--vl-secondary);
}

.card,
.dropdown-menu,
.modal-content,
.toast,
.swal2-popup {
    border: 1px solid var(--vl-outline-variant) !important;
    border-radius: var(--vl-radius) !important;
    box-shadow: var(--vl-shadow) !important;
}

.card {
    background: var(--vl-surface-container-lowest);
}

.card-header,
.modal-header,
.modal-footer,
.dropdown-header {
    background: var(--vl-surface-container-low);
    border-color: var(--vl-outline-variant) !important;
}

.card:hover {
    box-shadow: var(--vl-shadow-hover) !important;
}

.form-control,
.form-select,
.input-group-text,
.select2-container--bootstrap-5 .select2-selection {
    border-color: var(--vl-outline-variant);
    border-radius: var(--vl-radius-sm) !important;
    color: var(--vl-on-surface);
}

.form-control,
.form-select,
.select2-container--bootstrap-5 .select2-selection {
    background-color: var(--vl-surface-container-lowest);
}

.input-group-text {
    background: var(--vl-surface-container-low);
    color: var(--vl-primary);
}

.badge,
.rounded-pill {
    border-radius: 999px !important;
}

.badge.bg-primary {
    background-color: var(--vl-primary) !important;
    background-image: var(--vl-primary-gradient) !important;
    color: #fff !important;
}

.table-container,
.table-responsive,
.list-group,
.accordion-item {
    border-color: var(--vl-outline-variant) !important;
    border-radius: var(--vl-radius) !important;
}

.table-container {
    overflow: auto;
    background: var(--vl-surface-container-lowest) !important;
    box-shadow: var(--vl-shadow);
}

.table {
    color: var(--vl-on-surface);
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--vl-outline-variant);
}

.table thead th,
.table-sticky thead th {
    background: var(--vl-primary) !important;
    background-image: var(--vl-primary-gradient) !important;
    color: #ffffff !important;
    border-color: var(--vl-primary-hover) !important;
    font-family: "Quicksand", "Nunito Sans", system-ui, sans-serif;
    letter-spacing: 0;
}

.table-hover tbody tr:hover {
    background-color: var(--vl-surface-container-low) !important;
}

.page-link {
    color: var(--vl-primary);
    border-color: var(--vl-outline-variant);
}

.page-item.active .page-link {
    background-color: var(--vl-primary);
    background-image: var(--vl-primary-gradient);
    border-color: var(--vl-primary);
    color: #fff !important;
}

.alert {
    border-radius: var(--vl-radius);
    border-color: transparent;
}

.alert-primary {
    background-color: var(--vl-primary-soft);
    color: var(--vl-primary-active);
    border: 1px solid var(--vl-outline-variant);
}

#sidebar-wrapper,
.portal-bottom-nav,
.navbar,
#topnav-menu-bar {
    box-shadow: var(--vl-shadow);
}

#sidebar-wrapper,
.sidebar-brand,
.sidebar-footer,
#topnav-menu-bar {
    background: var(--vl-surface-container-lowest) !important;
}

.sidebar-submenu {
    background: var(--vl-surface-container-low) !important;
}

.list-group-item {
    border-radius: 0 999px 999px 0;
}

.list-group-item:hover,
.list-group-item.active,
.topnav-group-btn:hover,
.topnav-group-btn.show,
.topnav-group-btn.topnav-active,
.topnav-dropdown-menu .dropdown-item:hover,
.topnav-dropdown-menu .dropdown-item.active {
    background: var(--vl-surface-container) !important;
    color: var(--vl-primary) !important;
}

.ns-global-search,
.site-badge {
    border-radius: 999px !important;
}

#app-scroll-area {
    padding: 1.5rem !important;
}

.vl-page-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.vl-page-title h1,
.vl-page-title h2,
.vl-page-title h3,
.vl-page-title h4 {
    margin: 0;
    color: var(--vl-primary);
    font-weight: 700;
}

.vl-stat-card {
    border: 1px solid var(--vl-outline-variant) !important;
    min-height: 120px;
}

.vl-stat-card .card-body {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.vl-stat-icon {
    width: 52px;
    height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--vl-primary-soft);
    color: var(--vl-primary);
}

body.auth-page,
body.error-page {
    background:
        radial-gradient(circle at top left, rgba(251, 113, 133, 0.28), transparent 34rem),
        radial-gradient(circle at bottom right, rgba(168, 85, 247, 0.2), transparent 30rem),
        linear-gradient(135deg, var(--vl-surface) 0%, var(--vl-surface-container-high) 100%) !important;
}

.auth-page .login-card,
.error-page .container {
    border-radius: var(--vl-radius-xl) !important;
    border: 1px solid var(--vl-outline-variant);
    box-shadow: var(--vl-shadow-hover) !important;
}

.auth-page .erp-title,
.error-page h1 {
    color: var(--vl-primary) !important;
    font-family: "Quicksand", "Nunito Sans", system-ui, sans-serif;
}

/* Nav tabs styling */
.nav-tabs .nav-link {
    color: var(--vl-on-surface-variant);
    font-weight: 600;
    border-radius: var(--vl-radius-sm) var(--vl-radius-sm) 0 0;
}

.nav-tabs .nav-link.active {
    color: var(--vl-primary) !important;
    border-color: var(--vl-outline-variant) var(--vl-outline-variant) transparent !important;
    background-color: var(--vl-surface-container-lowest);
}

/* Switch & Checkboxes */
.form-check-input:checked {
    background-color: var(--vl-primary);
    border-color: var(--vl-primary);
}

/* ==========================================================================
   PERFECT ICON & CIRCLE/SQUARE BOX CENTERING UTILITIES
   ========================================================================== */

/* 1. Tất cả nút tròn và thẻ tròn */
.rounded-circle,
.avatar-circle,
.btn-icon-circle,
.btn.rounded-circle,
a.btn.rounded-circle,
button.rounded-circle,
span.rounded-circle {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    line-height: 1 !important;
    vertical-align: middle !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
}

/* Xóa padding mặc định của Bootstrap làm méo nút tròn */
.btn.rounded-circle,
a.btn.rounded-circle,
button.rounded-circle,
.btn-icon-circle {
    padding: 0 !important;
    min-height: unset !important;
    min-width: unset !important;
}

/* 2. Ô vuông & hộp icon (vd: rounded-3, rounded-4, icon box header) */
.icon-box,
.header-icon-box,
div[class*="rounded-"].d-flex[style*="width:"],
div[class*="rounded-"].d-inline-flex[style*="width:"],
span[class*="rounded-"][class*="bg-opacity-10"],
span[class*="rounded-"][class*="bg-primary"],
span[class*="rounded-"][class*="bg-success"],
span[class*="rounded-"][class*="bg-danger"],
span[class*="rounded-"][class*="bg-warning"],
span[class*="rounded-"][class*="bg-info"],
span[class*="rounded-"][class*="bg-light"] {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    line-height: 1 !important;
    vertical-align: middle !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
}

/* 3. Đảm bảo thẻ <i> (FontAwesome), <svg>, <span> nằm trong hình tròn/ô vuông không bị lệch baseline */
.rounded-circle > i,
.rounded-circle > svg,
.rounded-circle > span,
.avatar-circle > i,
.avatar-circle > svg,
.btn.rounded-circle > i,
.btn.rounded-circle > svg,
.btn-icon-circle > i,
.btn-icon-circle > svg,
.header-icon-box > i,
.icon-box > i,
div[class*="rounded-"] > i.fas,
div[class*="rounded-"] > i.far,
div[class*="rounded-"] > i.fab,
div[class*="rounded-"] > i.fa,
span[class*="rounded-"] > i.fas,
span[class*="rounded-"] > i.far,
span[class*="rounded-"] > i.fab,
span[class*="rounded-"] > i.fa {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    line-height: 1 !important;
    margin: 0 !important;
    padding: 0 !important;
    vertical-align: middle !important;
    transform: none !important;
}

/* 4. Nút thao tác trong bảng */
.table .btn.rounded-circle,
.table a.btn.rounded-circle,
.table button.rounded-circle {
    width: 30px !important;
    height: 30px !important;
    min-width: 30px !important;
    min-height: 30px !important;
    padding: 0 !important;
}

@media (max-width: 768px) {
    #app-scroll-area {
        padding: 1rem !important;
    }

    .btn:not(.rounded-circle):not(.btn-icon-circle) {
        min-height: 44px;
    }

    .vl-page-title {
        align-items: stretch;
        flex-direction: column;
    }
}