/* ==========================================================================
   Kishoreganj University — departmental sub-pages
   (/explore/{type}/{slug}/syllabus | courses | question-bank | events)

   Loaded *after* explore.css, whose .kiu-explore-single scope supplies the
   palette, radii and shadows. Only what these four pages add is here.

   main.css sets `html { font-size: 10px }`, so 1rem = 10px sitewide —
   every size below is declared in explicit px. Do not reintroduce rem here.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Degree-level chips
   -------------------------------------------------------------------------- */

.kiu-dept-academics .kiu-degree-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.kiu-dept-academics .kiu-degree-chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border: 1px solid var(--kiu-border);
    border-radius: var(--kiu-radius-pill);
    background: var(--kiu-white);
    color: var(--kiu-body);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color var(--kiu-dur-fast) var(--kiu-ease-in-out), color var(--kiu-dur-fast) var(--kiu-ease-in-out), border-color var(--kiu-dur-fast) var(--kiu-ease-in-out);
}

.kiu-dept-academics .kiu-degree-chip:hover {
    border-color: var(--kiu-accent);
    color: var(--kiu-navy);
}

.kiu-dept-academics .kiu-degree-chip.is-active {
    border-color: var(--kiu-navy);
    background: var(--kiu-navy);
    color: var(--kiu-white);
}

/* --------------------------------------------------------------------------
   Section blocks — one per semester, or per exam year
   -------------------------------------------------------------------------- */

.kiu-dept-academics .kiu-semester + .kiu-semester {
    margin-top: 40px;
}

.kiu-dept-academics .kiu-semester__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--kiu-border);
}

.kiu-dept-academics .kiu-semester__title {
    margin: 0;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--kiu-ink);
}

.kiu-dept-academics .kiu-semester__credits {
    flex: none;
    padding: 5px 12px;
    border-radius: var(--kiu-radius-pill);
    background: var(--kiu-surface);
    color: var(--kiu-navy);
    font-size: 12.5px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Course table
   -------------------------------------------------------------------------- */

/* Scrolls inside its own box so a wide table never makes the whole page
   scroll sideways on a phone. */
.kiu-dept-academics .kiu-course-table__wrap {
    overflow-x: auto;
    border: 1px solid var(--kiu-border);
    border-radius: var(--kiu-radius);
    background: var(--kiu-white);
    box-shadow: var(--kiu-shadow);
    -webkit-overflow-scrolling: touch;
}

.kiu-dept-academics .kiu-course-table {
    width: 100%;
    min-width: 0;
    border-collapse: collapse;
    margin: 0;
}

.kiu-dept-academics .kiu-course-table th {
    padding: 13px 16px;
    background: var(--kiu-surface);
    border-bottom: 1px solid var(--kiu-border);
    font-size: 11.5px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--kiu-muted);
    text-align: left;
    white-space: nowrap;
}

.kiu-dept-academics .kiu-course-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--kiu-border);
    font-size: 14.5px;
    line-height: 1.6;
    color: var(--kiu-body);
    vertical-align: top;
}

.kiu-dept-academics .kiu-course-table tbody tr:last-child td {
    border-bottom: 0;
}

.kiu-dept-academics .kiu-course-table tbody tr:hover td {
    background: var(--kiu-surface);
}

.kiu-dept-academics .kiu-course-table__code-col {
    width: 110px;
}

.kiu-dept-academics .kiu-course-table__credit-col {
    width: 75px;
}

.kiu-dept-academics .kiu-course-table th.kiu-course-table__credit-col,
.kiu-dept-academics .kiu-course-table td.kiu-course-table__credit {
    text-align: right;
}

.kiu-dept-academics .kiu-course-table__code {
    font-weight: 700;
    color: var(--kiu-navy);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.kiu-dept-academics .kiu-course-table__title {
    font-weight: 600;
    color: var(--kiu-ink);
}

.kiu-dept-academics .kiu-course-table__credit {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.kiu-dept-academics .kiu-course-table__remarks {
    display: block;
    margin-top: 3px;
    font-size: 12.5px;
    font-weight: 400;
    color: var(--kiu-muted);
}

.kiu-dept-academics .kiu-course-tag {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 8px;
    border-radius: var(--kiu-radius-pill);
    background: rgba(0, 163, 147, .12);
    color: #00776B; /* darkened accent — 4.5:1 on the tint behind it */
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    vertical-align: middle;
}

/* --------------------------------------------------------------------------
   Document rows — syllabuses and question papers
   -------------------------------------------------------------------------- */

.kiu-dept-academics .kiu-doc-list {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.kiu-dept-academics .kiu-doc {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    padding: 18px 22px;
    border: 1px solid var(--kiu-border);
    border-radius: var(--kiu-radius);
    background: var(--kiu-white);
    box-shadow: var(--kiu-shadow);
    transition: border-color var(--kiu-dur-fast) var(--kiu-ease-in-out), box-shadow var(--kiu-dur-fast) var(--kiu-ease-in-out);
}

.kiu-dept-academics .kiu-doc:hover {
    border-color: var(--kiu-accent);
    box-shadow: var(--kiu-shadow-hover);
}

/* A row whose file could not be resolved. Dimmed rather than hidden: the
   document exists, it just is not downloadable from this deployment. */
.kiu-dept-academics .kiu-doc.is-unavailable {
    background: var(--kiu-surface);
    box-shadow: none;
}

.kiu-dept-academics .kiu-doc.is-unavailable:hover {
    border-color: var(--kiu-border);
    box-shadow: none;
}

.kiu-dept-academics .kiu-doc__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: none;
    border-radius: var(--kiu-radius-sm);
    background: var(--kiu-surface);
    color: var(--kiu-navy);
    font-size: 20px;
    line-height: 1;
}

.kiu-dept-academics .kiu-doc__title {
    margin: 0;
    font-size: 15.5px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--kiu-ink);
}

/* main.css sets `p { margin-bottom: 30px }` globally. */
.kiu-dept-academics .kiu-doc__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 14px;
    margin: 6px 0 0;
    font-size: 13px;
    color: var(--kiu-muted);
}

/* Separator dots between meta items, but never before the first or after the
   last — so a row with one item shows no stray dot. */
.kiu-dept-academics .kiu-doc__meta > span + span::before {
    content: "•";
    margin-right: 14px;
    color: var(--kiu-border);
}

.kiu-dept-academics .kiu-doc__tag {
    padding: 2px 9px;
    border-radius: var(--kiu-radius-pill);
    background: var(--kiu-surface);
    color: var(--kiu-navy);
    font-size: 11.5px;
    font-weight: 700;
}

.kiu-dept-academics .kiu-doc__tag + span::before {
    content: none;
}

.kiu-dept-academics .kiu-doc__actions {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex: none;
}

.kiu-dept-academics .kiu-doc__action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex: none;
    padding: 8px 16px;
    border-radius: var(--kiu-radius-pill);
    background: var(--kiu-navy);
    color: var(--kiu-white);
    font-size: 12.5px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    border: none;
    cursor: pointer;
    font-family: inherit;
    transition: background-color var(--kiu-dur-fast) var(--kiu-ease-in-out), color var(--kiu-dur-fast) var(--kiu-ease-in-out), border-color var(--kiu-dur-fast) var(--kiu-ease-in-out);
}

.kiu-dept-academics .kiu-doc__action:hover,
.kiu-dept-academics .kiu-doc__action:focus-visible {
    background: var(--kiu-accent);
    color: var(--kiu-white);
}

.kiu-dept-academics .kiu-doc__action--view {
    background: var(--kiu-surface);
    color: var(--kiu-navy);
    border: 1px solid var(--kiu-border);
}

.kiu-dept-academics .kiu-doc__action--view:hover,
.kiu-dept-academics .kiu-doc__action--view:focus-visible {
    background: var(--kiu-navy);
    border-color: var(--kiu-navy);
    color: var(--kiu-white);
}

.kiu-dept-academics .kiu-doc__action--disabled {
    background: transparent;
    border: 1px dashed var(--kiu-border);
    color: var(--kiu-muted);
    font-weight: 600;
    cursor: default;
}

.kiu-dept-academics .kiu-doc__action--disabled:hover {
    background: transparent;
    color: var(--kiu-muted);
}

/* Empty state card */
.kiu-dept-academics .kiu-empty-card {
    text-align: center;
    padding: 56px 24px;
    background: var(--kiu-white);
    border: 1px dashed var(--kiu-border);
    border-radius: var(--kiu-radius);
    max-width: 540px;
    margin: 32px auto;
}

.kiu-dept-academics .kiu-empty-card__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--kiu-surface);
    color: var(--kiu-navy);
    font-size: 26px;
    margin-bottom: 16px;
}

.kiu-dept-academics .kiu-empty-card__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--kiu-ink);
    margin: 0 0 8px;
}

.kiu-dept-academics .kiu-empty-card__desc {
    font-size: 14px;
    color: var(--kiu-muted);
    margin: 0;
    line-height: 1.6;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
    .kiu-dept-academics .kiu-semester__head {
        /* The credit badge would otherwise squeeze a long semester title into
           a two-line column barely wider than the badge itself. */
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .kiu-dept-academics .kiu-doc {
        /* Icon (col 1) and title/meta (col 2) on the first row, the actions below them
           spanning the full card width. */
        grid-template-columns: auto minmax(0, 1fr);
        align-items: start;
        gap: 14px;
        padding: 16px 18px;
    }

    .kiu-dept-academics .kiu-doc__icon {
        grid-row: 1;
        grid-column: 1;
    }

    .kiu-dept-academics .kiu-doc__body {
        grid-row: 1;
        grid-column: 2;
        min-width: 0;
    }

    .kiu-dept-academics .kiu-doc__actions {
        grid-row: 2;
        grid-column: 1 / -1;
        width: 100%;
        display: flex;
        gap: 8px;
    }

    .kiu-dept-academics .kiu-doc__action {
        flex: 1;
        justify-content: center;
        padding: 8px 12px;
        font-size: 12px;
    }

    .kiu-dept-academics .kiu-course-table {
        min-width: 0;
        width: 100%;
    }

    .kiu-dept-academics .kiu-course-table th {
        padding: 10px 10px;
        font-size: 11px;
    }

    .kiu-dept-academics .kiu-course-table td {
        padding: 11px 10px;
        font-size: 13.5px;
    }

    .kiu-dept-academics .kiu-course-table__code-col {
        width: 85px;
    }

    .kiu-dept-academics .kiu-course-table__code {
        font-size: 12.5px;
    }

    .kiu-dept-academics .kiu-course-table__title {
        font-size: 13px;
        line-height: 1.4;
        word-break: break-word;
    }

    .kiu-dept-academics .kiu-course-table__credit-col {
        width: 55px;
    }

    .kiu-dept-academics .kiu-course-table__credit {
        font-size: 13px;
    }
}

@media (max-width: 479px) {
    .kiu-dept-academics .kiu-doc {
        grid-template-columns: auto minmax(0, 1fr);
        padding: 14px 14px;
        gap: 12px 12px;
    }

    .kiu-dept-academics .kiu-doc__icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }

    .kiu-dept-academics .kiu-doc__title {
        font-size: 14.5px;
    }

    .kiu-dept-academics .kiu-doc__actions {
        grid-row: 2;
        grid-column: 1 / -1;
        gap: 8px;
    }

    .kiu-dept-academics .kiu-doc__action {
        padding: 8px 10px;
        font-size: 12px;
    }

    .kiu-dept-academics .kiu-degree-chip {
        padding: 7px 13px;
        font-size: 12.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kiu-dept-academics .kiu-doc,
    .kiu-dept-academics .kiu-doc__action,
    .kiu-dept-academics .kiu-degree-chip {
        transition: none;
    }
}

/* --------------------------------------------------------------------------
   Year deck — the Courses page steps through one academic year at a time
   -------------------------------------------------------------------------- */

/* The two semesters of a year sit closer together than two years would, so the
   panel reads as one unit. */
.kiu-dept-academics .kiu-year-panel .kiu-semester + .kiu-semester {
    margin-top: 32px;
}

.kiu-dept-academics .kiu-year-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    margin-top: 36px;
}

/* Same circular arrows as the home page's research carousel, inverted for a
   light background: outlined navy here, outlined white there. */
.kiu-dept-academics .kiu-year-nav__arrow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    padding: 0;
    border: 1px solid var(--kiu-border);
    border-radius: 50%;
    background: var(--kiu-white);
    color: var(--kiu-navy);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    box-shadow: var(--kiu-shadow);
    transition: background-color var(--kiu-dur-fast) var(--kiu-ease-in-out), color var(--kiu-dur-fast) var(--kiu-ease-in-out),
                border-color var(--kiu-dur-fast) var(--kiu-ease-in-out), opacity var(--kiu-dur-fast) var(--kiu-ease-in-out);
}

.kiu-dept-academics .kiu-year-nav__arrow:hover:not([disabled]) {
    background: var(--kiu-navy);
    border-color: var(--kiu-navy);
    color: var(--kiu-white);
}

.kiu-dept-academics .kiu-year-nav__arrow:focus-visible {
    outline: 2px solid var(--kiu-accent);
    outline-offset: 2px;
}

/* Set by the script at either end of the deck. Kept visible rather than
   hidden so the control does not change width as it is used. */
.kiu-dept-academics .kiu-year-nav__arrow[disabled] {
    opacity: .35;
    cursor: default;
    box-shadow: none;
}

/* main.css sets `p { margin-bottom: 30px }` globally. */
.kiu-dept-academics .kiu-year-nav__label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    /* Wide enough that "First Year" and "Fourth Year" do not shunt the arrows
       sideways as the reader steps through. */
    min-width: 148px;
    margin: 0;
    text-align: center;
}

.kiu-dept-academics .kiu-year-nav__name {
    font-size: 15.5px;
    font-weight: 800;
    line-height: 1.3;
    color: var(--kiu-ink);
}

.kiu-dept-academics .kiu-year-nav__count {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--kiu-muted);
    font-variant-numeric: tabular-nums;
}

@media (max-width: 479px) {
    .kiu-dept-academics .kiu-year-nav {
        gap: 12px;
        margin-top: 28px;
    }

    .kiu-dept-academics .kiu-year-nav__arrow {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .kiu-dept-academics .kiu-year-nav__label {
        min-width: 116px;
    }

    .kiu-dept-academics .kiu-year-nav__name {
        font-size: 14.5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .kiu-dept-academics .kiu-year-nav__arrow {
        transition: none;
    }
}

/* --------------------------------------------------------------------------
   In-Page PDF Viewer Modal
   -------------------------------------------------------------------------- */

body.has-pdf-modal-open {
    overflow: hidden !important;
}

body.has-pdf-modal-open header,
body.has-pdf-modal-open #kiu-navbar,
body.has-pdf-modal-open .kiu-navbar-wrapper {
    z-index: 10 !important;
    filter: blur(8px);
    transition: filter var(--kiu-dur) var(--kiu-ease-out);
}

body.has-pdf-modal-open > main,
body.has-pdf-modal-open > footer,
body.has-pdf-modal-open #backtotop-wrap {
    filter: blur(8px);
    transition: filter var(--kiu-dur) var(--kiu-ease-out);
}

body.has-pdf-modal-open .kiu-pdf-modal {
    filter: none !important;
}

.kiu-pdf-modal {
    position: fixed;
    inset: 0;
    z-index: 2147483647 !important;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--kiu-dur) var(--kiu-ease-out), visibility var(--kiu-dur) var(--kiu-ease-out);
}

.kiu-pdf-modal.is-active {
    opacity: 1;
    visibility: visible;
}

.kiu-pdf-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(13, 31, 60, 0.82);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.kiu-pdf-modal__dialog {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 1050px;
    height: 90vh;
    max-height: 850px;
    background: var(--kiu-white);
    border: 1px solid var(--kiu-border);
    border-radius: var(--kiu-radius);
    box-shadow: 0 20px 60px rgba(13, 31, 60, 0.35);
    overflow: hidden;
    transform: scale(0.96) translateY(10px);
    transition: transform var(--kiu-dur) var(--kiu-ease-out);
}

.kiu-pdf-modal.is-active .kiu-pdf-modal__dialog {
    transform: scale(1) translateY(0);
}

.kiu-pdf-modal__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 20px;
    background: var(--kiu-surface);
    border-bottom: 1px solid var(--kiu-border);
    flex-shrink: 0;
}

.kiu-pdf-modal__title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.kiu-pdf-modal__header-icon {
    font-size: 22px;
    color: #e53935;
    flex-shrink: 0;
}

.kiu-pdf-modal__title {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--kiu-ink);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.kiu-pdf-modal__header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.kiu-pdf-modal__download {
    padding: 7px 14px;
    font-size: 12px;
}

.kiu-pdf-modal__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--kiu-border);
    border-radius: var(--kiu-radius-sm);
    background: var(--kiu-white);
    color: var(--kiu-ink);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--kiu-dur-fast) var(--kiu-ease-out);
}

.kiu-pdf-modal__close:hover,
.kiu-pdf-modal__close:focus-visible {
    background: var(--kiu-navy);
    border-color: var(--kiu-navy);
    color: var(--kiu-white);
}

.kiu-pdf-modal__body {
    flex: 1 1 auto;
    width: 100%;
    height: 100%;
    min-height: 0;
    background: #525659;
}

.kiu-pdf-modal__frame {
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

@media (max-width: 767px) {
    .kiu-pdf-modal {
        padding: 8px;
    }

    .kiu-pdf-modal__dialog {
        height: 94vh;
        border-radius: var(--kiu-radius-sm);
    }

    .kiu-pdf-modal__header {
        padding: 10px 14px;
        gap: 10px;
    }

    .kiu-pdf-modal__title {
        font-size: 13.5px;
    }

    .kiu-pdf-modal__download span {
        display: none;
    }

    .kiu-pdf-modal__download {
        padding: 7px 10px;
    }
}