html {
    font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
    position: relative;
    min-height: 100%;
}

body {
    margin-bottom: 60px;
}

body.public-shell {
    min-height: 100vh;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
}

/* Public application shell */
:root {
    --public-topbar-height: 68px;
    --public-sidebar-width: 280px;
    --public-sidebar-collapsed-width: 76px;
}

.public-topbar {
    min-height: var(--public-topbar-height);
    z-index: 1040;
}

.public-topbar-inner {
    min-height: var(--public-topbar-height);
    padding-left: clamp(1rem, 4vw, 3.5rem);
    padding-right: clamp(1rem, 4vw, 3.5rem);
}

.public-topbar .navbar-brand {
    font-size: 1.35rem;
    white-space: nowrap;
}

.public-sidebar-toggle {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: .55rem;
    font-size: 1.15rem;
}

.public-sidebar-toggle:hover,
.public-sidebar-toggle:focus-visible {
    color: #fff;
    background: rgba(255, 255, 255, .14);
    border-color: #fff;
}

.public-user-name {
    color: rgba(255, 255, 255, .9);
    font-weight: 600;
}

.public-notification-button {
    width: 42px;
    height: 42px;
    display: inline-grid;
    place-items: center;
    padding: 0;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .45);
    border-radius: 50%;
    font-size: 1.1rem;
}

.public-notification-button:hover,
.public-notification-button:focus-visible,
.public-notification-button[aria-expanded="true"] {
    color: #fff;
    background: rgba(255, 255, 255, .14);
    border-color: #fff;
}

.public-notification-button .badge {
    min-width: 1.45rem;
    border: 2px solid var(--bs-primary);
    font-size: .65rem;
}

.public-notification-menu {
    width: min(390px, calc(100vw - 1rem));
    margin-top: .65rem !important;
    padding: 0;
    overflow: hidden;
}

.public-notification-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .9rem 1rem;
    border-bottom: 1px solid #e7ecf2;
}

.public-notification-list {
    max-height: min(440px, 65vh);
    overflow-y: auto;
}

.public-notification-item {
    display: block;
    padding: .85rem 1rem;
    color: #263445;
    border-bottom: 1px solid #edf0f4;
    text-decoration: none;
    transition: background-color .15s ease;
}

.public-notification-item:hover,
.public-notification-item:focus-visible {
    color: #075cc9;
    background: #f2f7ff;
}

.public-notification-time {
    display: block;
    margin-top: .35rem;
    color: #8491a3;
    font-size: .72rem;
}

.public-notification-empty {
    padding: 2rem 1rem;
    text-align: center;
}

.public-notification-toasts {
    z-index: 1090;
    margin-top: var(--public-topbar-height);
}

.public-notification-toast {
    overflow: hidden;
}

.public-notification-toast-body {
    color: inherit;
    background: #fff;
}

.public-notification-toast-body:hover,
.public-notification-toast-body:focus-visible {
    background: #f2f7ff;
}

.public-sidebar {
    position: fixed;
    top: var(--public-topbar-height);
    bottom: 0;
    left: 0;
    z-index: 1030;
    width: var(--public-sidebar-width);
    background: #fff;
    border-right: 1px solid #e1e7ef;
    box-shadow: 7px 0 24px rgba(29, 52, 84, .08);
    transform: translateX(0);
    transition: width .25s ease, transform .25s ease;
}

.public-sidebar-scroll {
    height: 100%;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 1.2rem .8rem 2rem;
}

.public-sidebar-heading {
    padding: .65rem .8rem .35rem;
    color: #8a96a7;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
}

.public-sidebar-nav {
    gap: .2rem;
}

.public-sidebar-link {
    display: flex;
    align-items: center;
    gap: .8rem;
    min-height: 44px;
    padding: .65rem .8rem;
    color: #475569;
    border-radius: .7rem;
    text-decoration: none;
    font-weight: 500;
    transition: color .16s ease, background-color .16s ease, transform .16s ease;
}

.public-sidebar-link i {
    width: 1.35rem;
    color: #718096;
    text-align: center;
}

.public-sidebar-link:hover {
    color: #075cc9;
    background: #edf5ff;
    transform: translateX(2px);
}

.public-sidebar-link.active {
    color: #075cc9;
    background: #e4f0ff;
    font-weight: 700;
}

.public-sidebar-link.active i {
    color: #0d6efd;
}

.public-main,
.public-footer {
    margin-left: var(--public-sidebar-width);
    transition: margin-left .25s ease;
}

body.public-sidebar-hidden .public-sidebar {
    width: var(--public-sidebar-collapsed-width);
}

body.public-sidebar-hidden .public-main,
body.public-sidebar-hidden .public-footer {
    margin-left: var(--public-sidebar-collapsed-width);
}

body.public-sidebar-hidden .public-sidebar-scroll {
    overflow-x: hidden;
    padding-left: .55rem;
    padding-right: .55rem;
}

body.public-sidebar-hidden .public-sidebar-heading {
    height: 1px;
    margin: .75rem .45rem;
    padding: 0;
    overflow: hidden;
    color: transparent;
    background: #e4eaf1;
}

body.public-sidebar-hidden .public-sidebar-heading:first-child {
    margin-top: .15rem;
}

body.public-sidebar-hidden .public-sidebar-nav {
    align-items: stretch;
}

body.public-sidebar-hidden .public-sidebar-link {
    justify-content: center;
    gap: 0;
    padding-left: .6rem;
    padding-right: .6rem;
}

body.public-sidebar-hidden .public-sidebar-link span {
    width: 0;
    overflow: hidden;
    opacity: 0;
    white-space: nowrap;
    pointer-events: none;
}

body.public-sidebar-hidden .public-sidebar-link i {
    width: 1.5rem;
    font-size: 1.08rem;
}

body.public-sidebar-hidden .public-sidebar-link:hover {
    transform: none;
}

.public-sidebar-backdrop {
    display: none;
    position: fixed;
    inset: var(--public-topbar-height) 0 0;
    z-index: 1025;
    padding: 0;
    border: 0;
    background: rgba(15, 23, 42, .48);
}

@media (max-width: 991.98px) {
    :root {
        --public-topbar-height: 62px;
        --public-sidebar-width: min(82vw, 300px);
    }

    .public-topbar-inner {
        min-height: var(--public-topbar-height);
    }

    .public-topbar .navbar-brand {
        font-size: 1.05rem;
    }

    .public-sidebar {
        transform: translateX(-105%);
    }

    .public-main,
    .public-footer,
    body.public-sidebar-hidden .public-main,
    body.public-sidebar-hidden .public-footer {
        margin-left: 0;
    }

    body.public-sidebar-mobile-open {
        overflow: hidden;
    }

    body.public-sidebar-mobile-open .public-sidebar {
        transform: translateX(0);
    }

    body.public-sidebar-mobile-open .public-sidebar-backdrop {
        display: block;
    }
}

@media (max-width: 350px) {
    .public-topbar-inner {
        padding-left: .65rem;
        padding-right: .65rem;
    }

    .public-topbar .navbar-brand span {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .public-sidebar,
    .public-main,
    .public-footer,
    .public-sidebar-link {
        transition: none;
    }
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/*
    custom css
*/
.header-bg {
    background-color: #00acee;
    color: white;
    padding: 10px 20px;
}

.btn-custom {
    background-color: #f0ad4e;
    color: white;
    border: none;
    margin-left: 5px;
}

.sidebar {
    border-right: 1px solid #ddd;
    min-height: 90vh;
}

.right-sidebar {
    border-left: 1px solid #ddd;
    min-height: 90vh;
}

.nav-link-custom {
    color: #333;
    display: block;
    padding: 5px 0;
    text-decoration: none;
}

body {
    background-color: #f0f2f5;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
/* Pane layout styling */
.pane-container {
    height: calc(100vh - 70px);
    padding: 15px;
}

.custom-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    height: 100%;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.card-header-custom {
    padding: 15px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.hidden {
    display: none !important;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 10px;
}
/* Sidebar မူလအကျယ် */
.sidebar-pane {
    width: 280px;
    transition: all 0.3s ease;
}

/* Sidebar ကျဉ်းသွားတဲ့အချိန် (Collapsed) */
.sidebar-collapsed {
    width: 60px !important;
}

    /* Sidebar ကျဉ်းနေချိန်မှာ စာသားတွေကို ဖျောက်ထားရန် */
    .sidebar-collapsed .menu-text,
    .sidebar-collapsed .card-header-custom span {
        display: none;
    }

    /* Icon လေးတွေကို အလယ်ရောက်အောင် ညှိရန် */
    .sidebar-collapsed .card-header-custom,
    .sidebar-collapsed .menu-item {
        justify-content: center !important;
        text-align: center;
    }

/* Main content က sidebar ကျဉ်းရင် ကျယ်လာစေရန် */
#main-pane {
    flex: 1;
    transition: all 0.3s ease;
}
/* Sidebar Group Title */
.menu-title {
    margin-top: 15px;
    margin-bottom: 8px;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

/* Sidebar Link Styling */
.menu-link {
    display: flex;
    align-items: center;
    padding: 10px 12px;
    margin: 4px 8px;
    color: #4a5568;
    text-decoration: none !important; /* Blue line မပေါ်အောင် */
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
}

    /* Mouse တင်လိုက်တဲ့အခါ (Hover) */
    .menu-link:hover {
        background-color: #f0f4f8;
        color: #007bff;
    }

    /* လက်ရှိရောက်နေတဲ့ Page (Active) */
    .menu-link.active {
        background-color: #e1efff;
        color: #0061f2;
        font-weight: 600;
    }

    /* Icon ပုံစံညှိရန် */
    .menu-link .icon {
        font-size: 1.1rem;
        min-width: 25px;
        display: inline-flex;
        justify-content: center;
    }

/* Sidebar ကျဉ်းသွားရင် Padding နည်းနည်းလျှော့ရန် */
.sidebar-collapsed .menu-link {
    justify-content: center;
    padding: 10px 0;
    margin: 4px 0;
}


.hidden {
    display: none !important;
}



/*For Index page*/

/* Card View Hover Effect */
#cardView .custom-card {
    transition: transform 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

    #cardView .custom-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        border-color: #007bff;
    }

/* Table styling adjustment */
.table th {
    border-top: none;
}

/* Add New Button Styling */
/* Button corner ကို နည်းနည်းပဲ ဝိုင်းစေရန် */
.btn-soft {
    border-radius: 6px !important; /* 6px က အတော်ဆုံးပါပဲ၊ ပိုချင်ရင် 8px ထားပါ */
    padding: 6px 16px;
    transition: all 0.2s;
}

    /* Hover ဖြစ်တဲ့အခါ ပိုလှအောင် */
    .btn-soft:hover {
        filter: brightness(90%);
        transform: translateY(-1px);
    }

/* Toggle buttons spacing */
.btn-group-toggle .btn {
    padding: 5px 10px;
    font-size: 0.85rem;
}

/*For Homepage*/
/* Hero Section Styling */
.hero-section {
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1581091226825-a6a2a5aee158?auto=format&fit=crop&w=1350&q=80'); /* လေဆာစက်ပုံ background ထားရန် */
    background-size: cover;
    background-position: center;
    min-height: 70vh;
}

/* Service Icons */
.service-icon {
    font-size: 3rem;
}

/* Title Underline */
.title-underline {
    width: 60px;
    height: 4px;
    background-color: #00acee;
    border: none;
    border-radius: 2px;
}

/* Button Soft Style (အရင်ပေးထားတာနဲ့ တူအောင်) */
.btn-soft {
    border-radius: 6px !important;
    font-weight: 600;
    transition: 0.3s;
}

/* Footer Section */
footer {
    background-color: #1a202c;
    color: #cbd5e0;
}

/* Public home page (rendered inside the shared student layout) */
html {
    scroll-behavior: smooth;
}

.public-home .hero {
    padding: 7rem 0;
    color: #fff;
    background: radial-gradient(circle at 80% 20%, rgba(255,255,255,.18), transparent 28%), linear-gradient(135deg, #0759c7, #6f42c1);
}

.public-home .hero-copy {
    max-width: 760px;
}

.public-home .stat-card,
.public-home .course-card,
.public-home .feature-card {
    border: 0;
    box-shadow: 0 8px 28px rgba(21,43,80,.08);
}

.public-home .course-card {
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}

.public-home .course-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 34px rgba(21,43,80,.14);
}

.public-home .course-image {
    width: 100%;
    height: 210px;
    object-fit: cover;
}

.public-home .course-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 210px;
    color: #fff;
    font-size: 3rem;
    background: linear-gradient(135deg, #0d6efd, #6f42c1);
}

.public-home .feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 16px;
    color: #0d6efd;
    font-size: 1.3rem;
    background: #e8f1ff;
}

.public-home #about {
    scroll-margin-top: calc(var(--public-topbar-height) + 1rem);
}
/* Student A4 notes */
.note-rich-toolbar { width: 210mm; max-width: 100%; margin: 0 auto; padding: .5rem; display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; background: #f1f3f5; border: 1px solid #dee2e6; border-bottom: 0; border-radius: .5rem .5rem 0 0; position: sticky; top: 58px; z-index: 5; }
.note-rich-toolbar select { width: 125px; }
.note-rich-toolbar button,.note-color-button { width: 34px; height: 32px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid #ced4da; border-radius: .3rem; background: #fff; color: #343a40; cursor: pointer; }
.note-rich-toolbar button:hover,.note-rich-toolbar button:focus,.note-color-button:hover { color: #0d6efd; border-color: #0d6efd; }
.note-color-button input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.note-editor-shell { overflow-x: auto; }
.note-page-wrap { width: min(210mm, 100%); margin-inline: auto; }
.note-a4-page { width: 210mm; min-height: 297mm; padding: 20mm; margin-inline: auto; background: #fff; color: #212529; box-shadow: 0 3px 18px rgba(0,0,0,.14); outline: 0; overflow-wrap: anywhere; }
.note-a4-page img { max-width: 100%; height: auto; }
.note-a4-readonly { cursor: default; }
@media (max-width: 850px) { .note-a4-page { width: 100%; min-height: 141.4vw; padding: 8vw; } }
@media print { .public-topbar,.public-sidebar,.public-sidebar-backdrop,.public-footer,.note-reader>header { display:none!important; } .public-main { margin:0!important; } .note-reader { padding:0!important; max-width:none!important; } .note-a4-page { box-shadow:none; margin:0; break-after:page; } }

/* Student note subscription cards */
.note-plan-grid .card {
    position: relative;
    min-height: 245px;
    overflow: hidden;
    isolation: isolate;
    border-width: 1px;
    box-shadow: 0 16px 38px rgba(29, 78, 216, .10);
    background-repeat: no-repeat;
    background-position: right 1.35rem center, center;
    background-size: clamp(145px, 26%, 215px) auto, cover;
}

.note-plan-grid .col-md-6:first-child .card {
    background-color: #eef6ff;
    background-image: url('../images/note-package-illustration.png'), linear-gradient(135deg, #f8fbff 0%, #e2efff 100%);
}

.note-plan-grid .col-md-6:last-child .card {
    border-color: #42a77a !important;
    box-shadow: 0 16px 38px rgba(22, 130, 83, .11);
    background-color: #eefbf5;
    background-image: url('../images/note-package-illustration.png'), linear-gradient(135deg, #f8fffb 0%, #dff7eb 100%);
}

.note-plan-grid .card::after {
    content: "";
    position: absolute;
    z-index: -1;
    width: 240px;
    height: 240px;
    right: -85px;
    top: -110px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .48);
}

.note-plan-grid .card-body {
    position: relative;
    z-index: 1;
    padding: 1.5rem;
}

.note-plan-grid .card-body > :not(.btn) {
    max-width: 62%;
}

@media (max-width: 1199.98px) {
    .note-plan-grid .card {
        background-position: right .75rem center, center;
        background-size: 155px auto, cover;
    }
}

@media (max-width: 767.98px) {
    .note-plan-grid .card {
        min-height: 225px;
        background-position: right .5rem center, center;
        background-size: 135px auto, cover;
    }

    .note-plan-grid .card-body {
        padding: 1.25rem;
    }
}