/* =========================================================================
   Montara Knowledge Center — Montara brand theme
   ========================================================================= */
:root {
    /* Sampled from the official Montara logo (deep navy + lotus white) */
    --kc-primary:    #14457d;   /* Montara navy */
    --kc-primary-dk: #0c2d56;   /* darker navy for hover states */
    --kc-primary-lt: #2c5d96;   /* lighter shade */
    --kc-secondary:  #3d6fa8;   /* medium accent blue */
    --kc-accent:     #c2a878;   /* warm hospitality gold (use sparingly) */
    --kc-bg:         #f5f7fa;
    --kc-card:       #ffffff;
    --kc-border:     #dde4ee;
    --kc-text:       #1f2937;
    --kc-text-soft:  #6b7280;
    --kc-shadow:     0 1px 2px rgba(0,0,0,0.04);
    --kc-shadow-md:  0 4px 16px rgba(20, 69, 125, 0.10);
}

html, body { height: 100%; }
.kc-body  { background: var(--kc-bg); color: var(--kc-text); }
.kc-main  { min-height: calc(100vh - 130px); }

/* Navbar ----------------------------------------------------------------- */
.kc-navbar {
    background: linear-gradient(90deg, var(--kc-primary-dk) 0%, var(--kc-primary) 50%, var(--kc-primary-lt) 100%);
}
.kc-navbar .navbar-brand,
.kc-navbar .nav-link,
.kc-navbar .btn-link { color: #fff !important; }
.kc-navbar .nav-link:hover { color: var(--kc-accent) !important; }
.kc-navbar .navbar-brand { display: inline-flex; align-items: center; gap: .55rem; }
.kc-navbar .navbar-brand img {
    height: 30px;
    width: auto;
    display: block;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,.25));
}
.kc-navbar .navbar-brand span { letter-spacing: .04em; }

/* Cards ------------------------------------------------------------------ */
.kc-card {
    background: var(--kc-card);
    border: 1px solid var(--kc-border);
    border-radius: 10px;
    padding: 1.25rem;
    box-shadow: var(--kc-shadow);
}

.kc-stat {
    border-left: 4px solid var(--kc-primary);
    padding: 1rem 1.25rem;
    background: var(--kc-card);
    border-radius: 6px;
}
.kc-stat .stat-value { font-size: 2rem; font-weight: 600; color: var(--kc-primary); }
.kc-stat .stat-label { color: var(--kc-text-soft); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; }

/* Org tree --------------------------------------------------------------- */
.kc-tree { font-family: ui-monospace, "Consolas", monospace; }
.kc-tree ul { list-style: none; padding-left: 1.25rem; border-left: 1px dashed #c7cfdb; }
.kc-tree li { padding: 2px 0; }
.kc-tree .node-co  { color: var(--kc-primary); font-weight: 600; }
.kc-tree .node-sub { color: var(--kc-secondary); }
.kc-tree .node-dep { color: #595959; }
.kc-tree .node-cat { color: #8a6d3b; }

/* Login ------------------------------------------------------------------ */
.kc-login {
    max-width: 440px;
    margin: 4vh auto;
    background: var(--kc-card);
    border: 1px solid var(--kc-border);
    border-radius: 12px;
    padding: 2.25rem 2rem;
    box-shadow: var(--kc-shadow-md);
}
.kc-login-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1.5rem;
}
.kc-login-brand-badge {
    width: 92px;
    height: 92px;
    border-radius: 18px;
    background: linear-gradient(160deg, var(--kc-primary) 0%, var(--kc-primary-dk) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(20, 69, 125, 0.25);
}
.kc-login-brand-badge img { width: 64px; height: 64px; object-fit: contain; }
.kc-login-brand h3   { color: var(--kc-primary); font-weight: 600; margin: 0; }
.kc-login-brand small { color: var(--kc-text-soft); }

/* Buttons ---------------------------------------------------------------- */
.btn-primary {
    background-color: var(--kc-primary);
    border-color: var(--kc-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background-color: var(--kc-primary-dk);
    border-color: var(--kc-primary-dk);
}
.btn-outline-primary {
    color: var(--kc-primary);
    border-color: var(--kc-primary);
}
.btn-outline-primary:hover {
    background-color: var(--kc-primary);
    border-color: var(--kc-primary);
}
a { color: var(--kc-primary); }
a:hover { color: var(--kc-primary-dk); }
.text-purple { color: #7e57c2; }

.kc-footer { background: #fff; border-top: 1px solid var(--kc-border); }

/* Status badges ---------------------------------------------------------- */
.badge-status-Active   { background-color: #198754; color: #fff; }
.badge-status-Inactive { background-color: #6c757d; color: #fff; }
.badge-status-Expired  { background-color: #dc3545; color: #fff; }

/* =========================================================================
   Document detail page
   ========================================================================= */
.kc-doc-page { padding-bottom: 2rem; }

.kc-doc-header {
    background: var(--kc-card);
    border: 1px solid var(--kc-border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    box-shadow: var(--kc-shadow);
}
.kc-doc-header h2 { font-size: 1.4rem; font-weight: 600; }
.kc-doc-header-icon {
    font-size: 2.6rem;
    line-height: 1;
}

/* Viewer card ------------------------------------------------------------ */
.kc-viewer-card {
    background: var(--kc-card);
    border: 1px solid var(--kc-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--kc-shadow);
    display: flex;
    flex-direction: column;
    /* Strict height so the inner pane is the only thing that scrolls */
    height: calc(100vh - 230px);
    min-height: 520px;
}

.kc-viewer-toolbar {
    display: flex;
    align-items: center;
    gap: .25rem;
    padding: .5rem .75rem;
    background: #f8fafc;
    border-bottom: 1px solid var(--kc-border);
    flex-wrap: wrap;
}

.kc-viewer-footer {
    padding: .5rem .75rem;
    border-top: 1px solid var(--kc-border);
    background: #f8fafc;
}

/* PDF pane — fills remaining space inside .kc-viewer-card; only this scrolls */
.kc-pdf-pane {
    flex: 1 1 auto;
    min-height: 0;          /* required for flex children to scroll */
    overflow-y: auto;
    overflow-x: auto;
    background: #525659;
    padding: 24px;
    text-align: center;
}

/* Each rendered page lives inside a "page card" with a label */
.kc-pdf-page {
    display: inline-block;
    margin: 0 auto 28px auto;
    text-align: center;
    max-width: 100%;
}
.kc-pdf-page-label {
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: .75rem;
    font-weight: 500;
    letter-spacing: .04em;
    padding: 4px 12px;
    border-radius: 4px 4px 0 0;
    display: inline-block;
}
.kc-pdf-page canvas {
    display: block;
    margin: 0 auto;
    background: #fff;
    border: 1px solid #2c2f33;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.45);
    border-radius: 0 0 4px 4px;
}
.kc-pdf-page + .kc-pdf-page {
    margin-top: 0;
}

/* Image pane ------------------------------------------------------------- */
.kc-image-pane {
    flex: 1 1 auto;
    min-height: 0;
    overflow: auto;
    background: #f8fafc;
    text-align: center;
    padding: 1rem;
}
.kc-image-pane img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: var(--kc-shadow);
}

/* Video pane ------------------------------------------------------------- */
.kc-video-pane {
    flex: 1 1 auto;
    min-height: 0;
    background: #000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.kc-video-pane video {
    width: 100%;
    height: 100%;
    max-height: 100%;
    background: #000;
    display: block;
}

/* Empty / unsupported preview ------------------------------------------- */
.kc-empty-pane {
    text-align: center;
    padding: 4rem 1.5rem;
    color: var(--kc-text-soft);
}
.kc-empty-icon {
    font-size: 4.5rem;
    opacity: .55;
}

/* Metadata offcanvas (slide-in panel) ------------------------------------ */
.kc-meta-offcanvas { width: 380px !important; }
.kc-meta-offcanvas .offcanvas-header {
    background: linear-gradient(90deg, var(--kc-primary) 0%, var(--kc-secondary) 100%);
    color: #fff;
}
.kc-meta-offcanvas .offcanvas-header .btn-close { filter: invert(1); }
.kc-meta-offcanvas .offcanvas-title i { margin-right: .35rem; }

.kc-meta-title {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--kc-primary);
    margin-bottom: .75rem;
}
.kc-meta-row {
    display: flex;
    align-items: center;
    padding: .35rem 0;
    border-bottom: 1px dashed #eef1f5;
    font-size: .9rem;
}
.kc-meta-row:last-child { border-bottom: 0; }
.kc-meta-label {
    flex: 0 0 38%;
    color: var(--kc-text-soft);
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.kc-meta-value {
    flex: 1;
    color: var(--kc-text);
    word-break: break-word;
}
.kc-meta-description {
    font-size: .9rem;
    line-height: 1.45;
    color: var(--kc-text);
    white-space: pre-wrap;
}

/* Document tree (search "tree" view) ------------------------------------ */
.kc-doc-tree details { padding: .25rem 0; }
.kc-doc-tree summary {
    cursor: pointer;
    list-style: none;
    padding: .35rem .5rem;
    border-radius: 4px;
    user-select: none;
}
.kc-doc-tree summary::-webkit-details-marker { display: none; }
.kc-doc-tree summary:hover { background: #f1f5f9; }
.kc-doc-tree summary::before {
    content: "▶";
    display: inline-block;
    width: 1em;
    margin-right: .25rem;
    color: #94a3b8;
    transition: transform .15s ease;
    font-size: .7em;
}
.kc-doc-tree details[open] > summary::before { transform: rotate(90deg); }

.kc-doc-tree .level-co  > summary { color: var(--kc-primary);   font-weight: 600; font-size: 1.05rem; }
.kc-doc-tree .level-dep > summary { color: var(--kc-secondary); font-weight: 500; padding-left: 1.25rem; }
.kc-doc-tree .level-cat > summary { color: #8a6d3b;             padding-left: 2.5rem; }

.kc-tree-count {
    display: inline-block;
    margin-left: .5rem;
    background: #e2e8f0;
    color: #475569;
    border-radius: 999px;
    padding: 0 .55rem;
    font-size: .72rem;
    font-weight: 500;
}
.kc-tree-docs {
    list-style: none;
    padding-left: 3.75rem;
    margin: 0;
}
.kc-tree-docs li {
    padding: .25rem 0;
}
.kc-tree-docs li a {
    color: var(--kc-text);
    text-decoration: none;
}
.kc-tree-docs li a:hover {
    color: var(--kc-primary);
    text-decoration: underline;
}

/* Learning path list ---------------------------------------------------- */
.kc-learning-list {
    list-style: none;
    padding: 0;
    margin: 0;
    counter-reset: lp-counter;
}
.kc-learning-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--kc-border);
}
.kc-learning-item:last-child { border-bottom: 0; }
.kc-learning-item.done { opacity: .7; }
.kc-learning-item.done .kc-learn-title { text-decoration: line-through; }
.kc-learning-item.overdue .kc-learn-num { background: #dc3545; }
.kc-learn-num {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--kc-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}
.kc-learning-item.done .kc-learn-num { background: #198754; }
.kc-learn-title {
    font-weight: 600;
    color: var(--kc-text);
    text-decoration: none;
    font-size: 1.05rem;
}
.kc-learn-title:hover { color: var(--kc-primary); }

/* Mobile responsive tweaks ============================================== */
@media (max-width: 991.98px) {
    .kc-viewer-card { height: calc(100vh - 230px); min-height: 380px; }
    .kc-meta-offcanvas { width: 90% !important; }

    .kc-doc-header { padding: .75rem .9rem; }
    .kc-doc-header h2 { font-size: 1.1rem; }
    .kc-doc-header-icon { font-size: 2.2rem; }

    /* compact navbar pills */
    .navbar-nav .nav-link { padding: .65rem 0.75rem; }
}

@media (max-width: 767.98px) {
    .kc-main { padding-left: .5rem; padding-right: .5rem; }
    .kc-card { padding: 1rem; }
    .kc-stat .stat-value { font-size: 1.5rem; }
    .kc-stat .stat-label { font-size: .75rem; }

    /* Tables become block cards on small screens */
    .table-responsive-stack thead { display: none; }
    .table-responsive-stack tr {
        display: block;
        margin-bottom: 1rem;
        border: 1px solid var(--kc-border);
        border-radius: 8px;
        padding: .75rem;
        background: #fff;
    }
    .table-responsive-stack td { display: block; padding: .25rem 0; border: 0; }

    .kc-doc-header { flex-direction: column; align-items: flex-start; }
    .kc-doc-header > .d-flex.gap-2 { width: 100%; flex-wrap: wrap; margin-top: .5rem; }
    .kc-doc-header > .d-flex.gap-2 > * { flex-grow: 1; }

    .kc-pdf-pane { padding: 12px 6px; }
    .kc-meta-offcanvas { width: 100% !important; }

    .kc-tree-docs { padding-left: 1.5rem; }
    .kc-doc-tree .level-dep > summary { padding-left: .75rem; }
    .kc-doc-tree .level-cat > summary { padding-left: 1.25rem; }

    .kc-learn-num { flex: 0 0 28px; width: 28px; height: 28px; font-size: .85rem; }
    .kc-learn-title { font-size: .95rem; }
}

@media (max-width: 575.98px) {
    .kc-doc-header h2 { font-size: 1rem; }
    .kc-doc-header-icon { font-size: 1.8rem; }
    .navbar-brand { font-size: 1rem; }
    h2 { font-size: 1.25rem; }
}