/* ==============================================================
   QS Redesign 2026 — Intelligence Desk
   Quantum Strategy | Clean. Professional. Modern.
   ============================================================== */

/* --- 1. Design Tokens --- */
:root {
    --qs-navy:           #0D1B2A;
    --qs-navy-mid:       #162236;
    --qs-navy-light:     #1F3352;
    --qs-ink:            #1A2433;
    --qs-teal:           #0290AA;
    --qs-teal-mid:       #20A7BA;
    --qs-teal-light:     #BCE3E4;
    --qs-teal-subtle:    rgba(2, 144, 170, 0.07);
    --qs-ground:         #f4f7fa;
    --qs-surface:        #FFFFFF;
    --qs-surface-alt:    #f7f9fc;
    --qs-muted:          #4d5d73;
    --qs-muted-light:    #8FA3BB;
    --qs-border:         rgba(13, 27, 42, 0.09);
    --qs-border-strong:  rgba(13, 27, 42, 0.18);
    --qs-sidebar-width:  230px;
    --qs-content-max:    1080px;
    --qs-transition:     0.18s ease;
    --qs-shadow-sm:      0 2px 8px rgba(13, 27, 42, 0.06);
    --qs-shadow:         0 12px 40px rgba(13, 27, 42, 0.08);
    --qs-shadow-lg:      0 30px 80px rgba(13, 27, 42, 0.09);
    --qs-radius:         0px;   /* Sharp, professional — no pill shapes */
}

/* --- 2. Base Resets & Typography --- */
body {
    font-family: 'Urbanist', 'Nunito Sans', sans-serif !important;
    background: linear-gradient(180deg, #f7f9fc 0%, #ffffff 55%, #eff3f9 100%) fixed !important;
    background-color: var(--qs-ground) !important;
    color: var(--qs-ink) !important;
    font-size: 1rem;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Urbanist', 'Nunito Sans', sans-serif;
    color: var(--qs-ink);
    font-weight: 700;
    line-height: 1.25;
}

a { color: var(--qs-teal); }
a:hover { color: var(--qs-teal-mid); }

/* --- 3. Layout Shell --- */
.qs-layout {
    display: flex;
    min-height: 100dvh;
    background-color: var(--qs-ground);
}

/* --- 4. Sidebar --- */
.qs-sidebar {
    width: var(--qs-sidebar-width);
    min-height: 100dvh;
    background-color: var(--qs-navy);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    flex-shrink: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 200;
    border-right: 1px solid rgba(255, 255, 255, 0.04);
}

/* Sidebar brand */
.qs-sidebar .navbar {
    background: transparent !important;
    padding: 1.75rem 1rem 1.25rem !important;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    margin-bottom: 0.5rem;
}

.qs-sidebar .navbar .container-fluid {
    padding: 0 !important;
    justify-content: center;
}

.qs-sidebar .navbar-toggler {
    display: none !important;
}

/* QS typographic brand mark */
.qs-brand-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-decoration: none !important;
}

.qs-brand-mark {
    font-family: 'Urbanist', 'Nunito Sans', sans-serif;
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    color: #ffffff;
    border-bottom: 3px solid var(--qs-teal);
    padding-bottom: 3px;
    transition: color var(--qs-transition);
}

.qs-brand-sub {
    font-family: 'Urbanist', 'Nunito Sans', sans-serif;
    font-size: 0.6rem;
    font-weight: 600;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.45);
    transition: color var(--qs-transition);
}

.qs-brand-link:hover .qs-brand-mark { color: var(--qs-teal-mid); }
.qs-brand-link:hover .qs-brand-sub  { color: rgba(255,255,255,0.7); }

/* Sidebar nav links */
.qs-sidebar .nav-scrollable {
    flex: 1;
    padding: 0.5rem 0;
}

.qs-sidebar .nav-item {
    padding: 0 !important;
}

.qs-sidebar .nav-link {
    color: var(--qs-muted-light) !important;
    font-size: 0.73rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.12em !important;
    text-transform: uppercase !important;
    padding: 0.65rem 1.25rem !important;
    border-left: 2px solid transparent;
    transition: color var(--qs-transition), background var(--qs-transition), border-color var(--qs-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 !important;
}

.qs-sidebar .nav-link:hover {
    color: #FFFFFF !important;
    background: rgba(255, 255, 255, 0.05) !important;
    border-left-color: rgba(255,255,255,0.15);
}

.qs-sidebar .nav-link.active {
    color: var(--qs-teal-mid) !important;
    background: rgba(32, 167, 186, 0.1) !important;
    border-left-color: var(--qs-teal) !important;
}

/* Sidebar section topics */
.qs-sidebar .nav-link.px-2.pt-2 {
    font-size: 0.62rem !important;
    color: rgba(255,255,255,0.35) !important;
    padding-bottom: 0.25rem !important;
    letter-spacing: 0.14em !important;
    cursor: default;
    border-left-color: transparent !important;
    background: transparent !important;
}

.qs-sidebar .tag-link,
.qs-sidebar .bg-waves-dark.tag-link,
.qs-sidebar .bg-waves-darker.tag-link {
    font-size: 0.6rem !important;
    letter-spacing: 0.06em;
    background: rgba(2, 144, 170, 0.18) !important;
    color: var(--qs-teal-light) !important;
    border-radius: 1px;
    padding: 2px 5px;
    margin: 2px;
    transition: background var(--qs-transition);
}
.qs-sidebar .tag-link:hover {
    background: rgba(2, 144, 170, 0.35) !important;
    text-decoration: none;
}

/* Staff section */
.qs-sidebar .staff-section {
    margin-top: auto;
    border-top: 1px solid rgba(255,255,255,0.08) !important;
    border-bottom: none !important;
    padding-bottom: 1rem;
}

.qs-sidebar .staff-section-header {
    font-size: 0.6rem !important;
    letter-spacing: 0.14em !important;
    text-transform: uppercase;
    color: rgba(255,255,255,0.3) !important;
    padding: 0.75rem 1.25rem 0.25rem;
}

.qs-sidebar .text-info {
    color: var(--qs-teal-mid) !important;
}

/* --- 5. Main Wrapper --- */
.qs-main-wrapper {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.qs-main {
    flex: 1;
}

/* Notification banners (staff preview, expired sub, etc.) */
.qs-notifications {
    background: var(--qs-surface);
    border-bottom: 1px solid var(--qs-border);
}

.qs-notifications > div {
    max-width: var(--qs-content-max);
    margin: 0 auto;
    padding: 0.5rem 1.5rem;
}

/* Primary content frame */
.qs-content-frame {
    max-width: var(--qs-content-max);
    margin: 0 auto;
    padding: 3rem 2.5rem;
    width: 100%;
}

/* --- 6. Footer --- */
.qs-footer {
    background: var(--qs-navy);
    color: var(--qs-muted-light);
    padding: 1.1rem 2rem;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
    align-items: center;
    justify-content: center;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.qs-footer a {
    color: var(--qs-teal-light);
    text-decoration: none;
    transition: color var(--qs-transition);
}
.qs-footer a:hover { color: #fff; }

.qs-footer-sep {
    color: rgba(255,255,255,0.2);
}

/* --- 7. Library / Post List Component --- */

/* Library header block */
.qs-library-header {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--qs-border);
    margin-bottom: 2.25rem;
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: flex-end;
    justify-content: space-between;
}

.qs-library-header-left {
    flex: 1 1 auto;
}

.qs-eyebrow {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--qs-teal);
    display: block;
    margin-bottom: 0.35rem;
}

.qs-page-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--qs-ink);
    margin: 0 0 0.35rem;
    line-height: 1.15;
}

.qs-page-subtitle {
    font-size: 0.85rem;
    color: var(--qs-muted);
    margin: 0;
    font-weight: 400;
}

/* Search bar */
.qs-search-bar {
    display: flex;
    align-items: center;
    gap: 0;
    background: var(--qs-surface);
    border: 1px solid var(--qs-border);
    max-width: 380px;
    width: 100%;
    transition: border-color 0.18s;
    flex-shrink: 0;
}

.qs-search-bar:focus-within {
    border-color: var(--qs-teal);
    box-shadow: 0 0 0 3px rgba(2,144,170,0.08);
}

.qs-search-bar label {
    padding: 0 0 0 0.75rem;
    color: var(--qs-muted-light);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.qs-search-input {
    flex: 1;
    border: none !important;
    outline: none !important;
    background: transparent !important;
    font-family: 'Urbanist', sans-serif;
    font-size: 0.875rem;
    color: var(--qs-ink);
    padding: 0.55rem 0.75rem !important;
    box-shadow: none !important;
}

.qs-search-input::placeholder { color: var(--qs-muted-light); }

.qs-search-submit {
    background: var(--qs-teal);
    color: #fff;
    border: none;
    padding: 0.55rem 1rem;
    font-family: 'Urbanist', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--qs-transition);
    white-space: nowrap;
    align-self: stretch;
}
.qs-search-submit:hover { background: var(--qs-teal-mid); }

/* Active filters */
.qs-filters-strip {
    background: var(--qs-teal-subtle);
    border-left: 3px solid var(--qs-teal);
    padding: 0.65rem 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.qs-filter-label {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--qs-teal);
    white-space: nowrap;
}

.qs-filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.78rem;
    background: var(--qs-surface);
    border: 1px solid var(--qs-border);
    color: var(--qs-ink);
    padding: 0.15rem 0.6rem;
}

.qs-filter-chip strong { font-weight: 700; }

.qs-clear-filters {
    display: inline-block;
    margin-left: auto;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--qs-teal);
    text-decoration: none;
    padding: 0.15rem 0;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}
.qs-clear-filters:hover { border-bottom-color: var(--qs-teal); color: var(--qs-teal); }

/* Post list items */
.qs-post-feed {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background-color: var(--qs-border);
    border: 1px solid var(--qs-border);
    margin-bottom: 2.5rem;
    box-shadow: var(--qs-shadow);
}

.qs-post-feed > .qs-post-row {
    background: var(--qs-surface);
    transition: background var(--qs-transition), box-shadow var(--qs-transition);
}

.qs-post-feed > .qs-post-row:hover {
    background: var(--qs-surface-alt);
}

.qs-no-results {
    padding: 3rem 1rem;
    text-align: center;
    color: var(--qs-muted);
    font-size: 0.95rem;
}

/* --- 8. Home Page Styles --- */

/* Hero wordmark area */
.qs-hero {
    padding: 3rem 0 2.5rem;
    border-bottom: 1px solid var(--qs-border);
    margin-bottom: 3rem;
}

.qs-hero-clock {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.25rem;
    opacity: 0.55;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.06em;
}

.qs-wordmark {
    font-size: clamp(2.4rem, 5vw, 4.8rem);
    font-weight: 300;
    color: var(--qs-ink);
    line-height: 1.05;
    margin: 0;
}

.qs-wordmark-accent {
    border-bottom: 3px solid var(--qs-teal);
    padding-bottom: 2px;
    font-weight: 700;
}

/* Section headers */
.qs-section-header {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--qs-teal);
    padding-bottom: 0.75rem;
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--qs-border);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}
.qs-section-header::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 2px;
    background: var(--qs-teal);
    flex-shrink: 0;
}

/* Dashboard welcome message */
.qs-welcome-line {
    font-size: 1.05rem;
    font-weight: 400;
    color: var(--qs-muted);
    text-align: right;
    margin-bottom: 2rem;
}
.qs-welcome-line strong {
    color: var(--qs-ink);
    font-weight: 700;
}

/* Value proposition block (for non-authenticated) */
/* --- Proposition / Mandate block --- */
.qs-mandate {
    margin-bottom: 3rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--qs-border);
}
.qs-mandate__eyebrow {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--qs-teal);
    margin-bottom: 1rem;
}
.qs-mandate__headline {
    font-size: clamp(1.55rem, 3.2vw, 2.1rem);
    font-weight: 700;
    color: var(--qs-ink);
    line-height: 1.25;
    margin: 0 0 1.75rem;
    max-width: 780px;
}
.qs-mandate__pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.75rem;
}
.qs-mandate__card {
    background: #fff;
    border: 1px solid var(--qs-border);
    border-top: 3px solid var(--qs-teal);
    padding: 1.4rem 1.5rem;
    box-shadow: var(--qs-shadow-sm);
}
.qs-mandate__card-num {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--qs-teal);
    margin-bottom: 0.6rem;
}
.qs-mandate__card p {
    margin: 0;
    font-size: 1rem;
    color: var(--qs-ink);
    line-height: 1.6;
    font-weight: 500;
}
.qs-mandate__body {
    font-size: 1rem;
    color: var(--qs-muted);
    line-height: 1.75;
    max-width: 720px;
    margin: 0;
}
@media (max-width: 575px) {
    .qs-mandate__pair { grid-template-columns: 1fr; }
}

/* Video + caption unit */
.qs-video-unit {
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 3rem;
    border: 1px solid var(--qs-border);
    overflow: hidden;
    box-shadow: var(--qs-shadow-lg);
}

.qs-video-caption {
    background: var(--qs-navy);
    padding: 2.75rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.65rem;
}

.qs-video-caption-pre {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--qs-teal-light);
    opacity: 0.8;
}

.qs-video-caption h2 {
    color: #FFFFFF;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 600;
    line-height: 1.3;
    margin: 0;
}

.qs-video-caption-name {
    color: var(--qs-teal-mid);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin: 0;
}

/* CTA buttons */
.qs-cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.75rem 0;
    justify-content: flex-end;
}

.qs-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--qs-teal);
    color: #fff !important;
    border: 1px solid var(--qs-teal);
    padding: 0.7rem 1.6rem;
    font-family: 'Urbanist', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none !important;
    transition: background var(--qs-transition), border-color var(--qs-transition);
    cursor: pointer;
}
.qs-btn-primary:hover {
    background: var(--qs-navy-mid);
    border-color: var(--qs-navy-mid);
    color: #fff !important;
}

.qs-btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: transparent;
    color: var(--qs-teal) !important;
    border: 1px solid var(--qs-teal);
    padding: 0.7rem 1.6rem;
    font-family: 'Urbanist', sans-serif;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none !important;
    transition: background var(--qs-transition), color var(--qs-transition);
    cursor: pointer;
}
.qs-btn-outline:hover {
    background: var(--qs-teal);
    color: #fff !important;
}

/* Tabs (track record / bio) */
.qs-tab-bar {
    display: flex;
    border-bottom: 1px solid var(--qs-border);
    margin-bottom: 0;
    gap: 0;
    background: var(--qs-surface);
    box-shadow: var(--qs-shadow-sm);
}

.qs-tab-btn {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    padding: 0.7rem 1.25rem;
    font-family: 'Urbanist', sans-serif;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--qs-muted);
    cursor: pointer;
    transition: color var(--qs-transition), border-color var(--qs-transition);
}

.qs-tab-btn:hover {
    color: var(--qs-ink);
    border-bottom-color: var(--qs-border-strong);
}

.qs-tab-btn.active {
    color: var(--qs-teal);
    border-bottom-color: var(--qs-teal);
}

.qs-tab-pane {
    display: none;
    padding: 2rem 0;
    background: var(--qs-surface);
    box-shadow: var(--qs-shadow-sm);
    padding: 2rem 1.75rem;
}
.qs-tab-pane.active { display: block; }

/* Track record list */
.qs-track-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.qs-track-list li {
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--qs-border);
    font-size: 0.95rem;
    color: var(--qs-ink);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.6;
}
.qs-track-list li:last-child { border-bottom: none; }

.qs-track-list li::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--qs-teal);
    border-radius: 50%;
    margin-top: 0.55rem;
    flex-shrink: 0;
}

/* Recommendations rows */
.qs-reco-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 0;
    border-bottom: 1px solid var(--qs-border);
}
.qs-reco-row:last-child { border-bottom: none; }

.qs-reco-text {
    flex: 1 1 60%;
    font-size: 0.9rem;
    color: var(--qs-ink);
    min-width: 0;
}

.qs-reco-meta {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--qs-muted);
}

.qs-load-more {
    margin-top: 1rem;
    text-align: center;
}

/* Latest media grid */
.qs-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.qs-media-cell {
    background: var(--qs-surface);
    padding: 0;
    border: 1px solid var(--qs-border);
    box-shadow: var(--qs-shadow);
    transition: background var(--qs-transition);
    display: flex;
    flex-direction: column;
}

.qs-media-cell:hover { background: var(--qs-surface-alt); }

.qs-media-cell-footer {
    padding: 0.5rem 0.75rem 0.75rem;
    display: flex;
    justify-content: flex-end;
}

/* --- 9. Responsive --- */

/* --- 10. Post Summary Feed Item (list style) --- */

.qs-item {
    padding: 1.5rem 1.75rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.45rem;
    position: relative;
}

.qs-item__type-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--qs-teal);
    background: var(--qs-teal-subtle);
    text-align: center;
    padding: 0.15rem 0.6rem;
    margin-bottom: 0.1rem;
    width: 88px;
    box-sizing: border-box;
}
.qs-item__type-tag--qreport {
    color: #7a5500;
    background: rgba(229, 182, 0, 0.2);
}

.qs-item__title {
    margin: 0;
    font-size: clamp(1rem, 2vw, 1.15rem);
    font-weight: 700;
    line-height: 1.3;
    color: var(--qs-ink);
}

.qs-item__title a {
    color: var(--qs-ink);
    text-decoration: none;
    transition: color var(--qs-transition);
}

.qs-item__title a:hover { color: var(--qs-teal); }

.qs-item__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0.6rem;
    font-size: 0.75rem;
    color: var(--qs-muted);
    font-weight: 500;
    margin: 0;
}

.qs-item__meta a {
    color: var(--qs-muted);
    text-decoration: none;
    transition: color var(--qs-transition);
}
.qs-item__meta a:hover { color: var(--qs-teal); }

.qs-item__meta-sep {
    color: var(--qs-border-strong);
    font-size: 0.7rem;
}

.qs-item__excerpt {
    font-size: 0.88rem;
    color: var(--qs-muted);
    line-height: 1.6;
    margin: 0;
}

.qs-item__footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.5rem;
    margin-top: 0.1rem;
}

.qs-item__tag {
    display: inline-block;
    font-size: 0.62rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--qs-teal);
    background: var(--qs-teal-subtle);
    border: 1px solid rgba(2, 144, 170, 0.15);
    padding: 0.1rem 0.55rem;
    text-decoration: none;
    transition: background var(--qs-transition), color var(--qs-transition);
}
.qs-item__tag:hover {
    background: rgba(2, 144, 170, 0.15);
    color: var(--qs-teal);
}

.qs-item__readmore {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    font-family: 'Urbanist', sans-serif;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--qs-teal);
    text-decoration: none;
    margin-left: auto;
    background: none;
    border: none;
    border-bottom: 1px solid transparent;
    padding: 0;
    cursor: pointer;
    transition: border-color var(--qs-transition), color var(--qs-transition);
    white-space: nowrap;
}
.qs-item__readmore:hover {
    border-bottom-color: var(--qs-teal);
    color: var(--qs-teal);
}

.qs-item__edit-btn {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    background: var(--qs-teal-subtle);
    border: 1px solid var(--qs-teal);
    color: var(--qs-teal);
    text-decoration: none;
    font-weight: 700;
    letter-spacing: 0.05em;
    transition: background var(--qs-transition);
}
.qs-item__edit-btn:hover {
    background: var(--qs-teal);
    color: #fff;
}

/* Icon-type thumbnail (report/podcast/video fallback) */
.qs-item__thumb-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    background: var(--qs-teal-subtle);
    color: var(--qs-teal);
    width: 88px;
    min-height: 80px;
    font-size: 1.75rem;
    border: 1px solid rgba(2, 144, 170, 0.15);
    padding: 0.75rem;
    text-decoration: none;
    transition: background var(--qs-transition);
    box-sizing: border-box;
}
.qs-item__thumb-icon span {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.qs-item__thumb-icon:hover { background: rgba(2, 144, 170, 0.14); }

/* Inline thumb image (for standard posts) */
.qs-item__thumb-wrap {
    flex-shrink: 0;
    width: 88px;
    height: 66px;
    overflow: hidden;
    align-self: flex-start;
}
.qs-item__thumb-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.22s ease;
}
.qs-item:hover .qs-item__thumb-wrap img { transform: scale(1.04); }

/* Inner flex row for thumb + text */
.qs-item__inner {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
}

.qs-item__body { flex: 1; min-width: 0; display: grid; gap: 0.4rem; }

/* --- 11. Minimal Post Card (media grid) --- */

.qs-card {
    display: flex;
    flex-direction: column;
    background: var(--qs-surface);
    height: 100%;
}

.qs-card__thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--qs-navy);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qs-card__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.22s ease;
}
.qs-card:hover .qs-card__thumb img { transform: scale(1.04); }

.qs-card__thumb-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--qs-teal-mid);
    font-size: 2.5rem;
    width: 100%;
    height: 100%;
}
.qs-card__thumb-icon span {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.qs-card__body {
    padding: 1.25rem 1.25rem 1rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.qs-card__eyebrow {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--qs-teal);
    margin: 0;
}

.qs-card__title {
    font-size: 0.975rem;
    font-weight: 700;
    color: var(--qs-ink);
    line-height: 1.35;
    margin: 0;
}
.qs-card__title a {
    color: var(--qs-ink);
    text-decoration: none;
    transition: color var(--qs-transition);
}
.qs-card__title a:hover { color: var(--qs-teal); }

.qs-card__date {
    font-size: 0.72rem;
    color: var(--qs-muted-light);
    font-weight: 500;
    margin: 0;
}

.qs-card__excerpt {
    font-size: 0.82rem;
    color: var(--qs-muted);
    line-height: 1.55;
    margin: 0;
    flex: 1;
}

.qs-card__footer {
    padding: 0.5rem 1.25rem 1rem;
    display: flex;
    justify-content: flex-end;
}

/* --- 12. Post Single --- */

.qs-post-staff-bar {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.qs-post-staff-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.3rem 0.8rem;
    text-decoration: none;
    border: 1px solid;
    cursor: pointer;
    background: transparent;
    transition: background var(--qs-transition), color var(--qs-transition);
}
.qs-post-staff-btn--edit   { border-color: var(--qs-teal); color: var(--qs-teal); }
.qs-post-staff-btn--edit:hover { background: var(--qs-teal); color: #fff; }
.qs-post-staff-btn--delete { border-color: #c0392b; color: #c0392b; }
.qs-post-staff-btn--delete:hover { background: #c0392b; color: #fff; }
.qs-post-staff-btn--send   { border-color: var(--qs-navy); color: var(--qs-navy); }
.qs-post-staff-btn--send:hover { background: var(--qs-navy); color: #fff; }

.qs-post-header {
    padding-bottom: 1.75rem;
    border-bottom: 1px solid var(--qs-border);
    margin-bottom: 2rem;
}

.qs-post-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    color: var(--qs-ink);
    line-height: 1.2;
    margin: 0 0 1rem;
}

.qs-post-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem 0.75rem;
    font-size: 0.8rem;
    color: var(--qs-muted);
    font-weight: 500;
    margin-bottom: 0.9rem;
}
.qs-post-meta a {
    color: var(--qs-muted);
    text-decoration: none;
    transition: color var(--qs-transition);
}
.qs-post-meta a:hover { color: var(--qs-teal); }
.qs-post-meta-sep {
    color: var(--qs-border-strong);
    font-size: 0.75rem;
}

.qs-post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.qs-post-image {
    margin-bottom: 2rem;
    overflow: hidden;
    border: 1px solid var(--qs-border);
    box-shadow: var(--qs-shadow-sm);
}
.qs-post-image img {
    width: 100%;
    height: auto;
    display: block;
}
.qs-post-image__caption {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
    color: var(--qs-muted);
    text-align: right;
    background: var(--qs-surface-alt);
    border-top: 1px solid var(--qs-border);
    font-style: italic;
}

.qs-post-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 2.5rem;
    align-items: start;
}

.qs-post-sidebar {
    background: var(--qs-surface);
    border: 1px solid var(--qs-border);
    padding: 1.25rem;
    box-shadow: var(--qs-shadow-sm);
}
.qs-post-sidebar h4 {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--qs-teal);
    margin: 0 0 0.85rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--qs-border);
}

.qs-post-body {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--qs-ink);
}
.qs-post-body h2,
.qs-post-body h3,
.qs-post-body h4 {
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    color: var(--qs-ink);
}
.qs-post-body p { margin-bottom: 1.1rem; }
.qs-post-body a { color: var(--qs-teal); }
.qs-post-body a:hover { color: var(--qs-teal-mid); }
.qs-post-body blockquote {
    border-left: 3px solid var(--qs-teal);
    padding: 0.75rem 1.25rem;
    margin: 1.5rem 0;
    background: var(--qs-surface);
    box-shadow: var(--qs-shadow-sm);
    color: var(--qs-muted);
    font-style: italic;
}

.qs-post-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--qs-teal-subtle);
    border: 1px solid rgba(2, 144, 170, 0.25);
    color: var(--qs-teal);
    padding: 0.55rem 1rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-decoration: none;
    margin: 0.35rem 0;
    transition: background var(--qs-transition), color var(--qs-transition);
}
.qs-post-link-btn:hover {
    background: var(--qs-teal);
    color: #fff;
}

/* --- 13. Login Form --- */
.qs-login-wrap {
    max-width: 420px;
    margin: 0 0 4rem;
}
.qs-login-heading {
    font-family: 'Urbanist', sans-serif;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--qs-ink);
    letter-spacing: -0.02em;
    margin: 0 0 1.75rem;
}
.qs-field {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
}
.qs-field label {
    font-family: 'Urbanist', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--qs-muted);
}
.qs-field input:not([type="checkbox"]) {
    background: #fff;
    border: 1px solid var(--qs-border);
    border-radius: 0;
    padding: 0.7rem 0.9rem;
    font-family: 'Nunito Sans', sans-serif;
    font-size: 0.92rem;
    color: var(--qs-ink);
    transition: border-color var(--qs-transition), box-shadow var(--qs-transition);
    outline: none;
    width: 100%;
    box-sizing: border-box;
    appearance: none;
    -webkit-appearance: none;
}
.qs-field input:not([type="checkbox"]):focus {
    border-color: var(--qs-teal);
    box-shadow: 0 0 0 3px rgba(2,144,170,0.1);
}
.qs-field-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 0.5rem;
    margin-bottom: 1.25rem;
}
.qs-field-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.82rem;
    color: var(--qs-muted);
    cursor: pointer;
    user-select: none;
}
.qs-field-check input[type="checkbox"] {
    accent-color: var(--qs-teal);
    width: 1rem;
    height: 1rem;
    cursor: pointer;
    flex-shrink: 0;
}
.qs-login-error {
    background: rgba(220,38,38,0.06);
    border: 1px solid rgba(220,38,38,0.25);
    color: #b91c1c;
    padding: 0.65rem 0.9rem;
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
}
.qs-login-link {
    font-size: 0.82rem;
    color: var(--qs-muted);
    text-align: center;
    margin-top: 1.25rem;
    margin-bottom: 0;
}
.qs-login-link a {
    color: var(--qs-teal);
    text-decoration: none;
}
.qs-login-link a:hover { text-decoration: underline; }
.qs-login-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0 1.25rem;
    color: var(--qs-muted);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}
.qs-login-divider::before,
.qs-login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--qs-border);
}
.qs-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--qs-muted) !important;
    border: 1px solid var(--qs-border);
    padding: 0.65rem 1.4rem;
    font-family: 'Urbanist', sans-serif;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    text-decoration: none !important;
    transition: border-color var(--qs-transition), color var(--qs-transition);
    cursor: pointer;
    width: 100%;
    justify-content: center;
}
.qs-btn-ghost:hover {
    border-color: var(--qs-teal);
    color: var(--qs-teal) !important;
}

/* --- 14. Mini Nav --- */

.qs-mini-nav {
    display: flex;
    align-items: center;
    gap: 0;
    border-bottom: 1px solid var(--qs-border);
    margin-bottom: 2.5rem;
}
.qs-mini-nav__label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--qs-muted);
    padding-right: 1.25rem;
    margin-right: 0.25rem;
    border-right: 1px solid var(--qs-border);
    white-space: nowrap;
}
.qs-mini-nav a {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--qs-muted);
    text-decoration: none;
    padding: 0.65rem 1rem;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: color var(--qs-transition), border-color var(--qs-transition);
    white-space: nowrap;
}
.qs-mini-nav a:hover { color: var(--qs-teal); }
.qs-mini-nav a.active {
    color: var(--qs-teal);
    font-weight: 700;
    border-bottom-color: var(--qs-teal);
}

/* --- 14. Contact page --- */
.qs-contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.qs-contact-card {
    background: #fff;
    border: 1px solid var(--qs-border);
    border-top: 3px solid var(--qs-teal);
    padding: 1.5rem;
    box-shadow: var(--qs-shadow-sm);
}
.qs-contact-card__name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--qs-ink);
    margin: 0 0 0.2rem;
}
.qs-contact-card__role {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--qs-teal);
    margin: 0 0 1rem;
}
.qs-contact-card__detail {
    font-size: 0.88rem;
    color: var(--qs-muted);
    margin: 0 0 0.35rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.qs-contact-card__detail a {
    color: var(--qs-muted);
    text-decoration: none;
    transition: color var(--qs-transition);
}
.qs-contact-card__detail a:hover { color: var(--qs-teal); }
.qs-contact-card__actions { margin-top: 1.25rem; }

/* --- 15. Books page --- */
.qs-book-featured {
    display: grid;
    grid-template-columns: 260px 1fr;
    border: 1px solid var(--qs-border);
    border-top: 3px solid var(--qs-teal);
    box-shadow: var(--qs-shadow-lg);
    background: #fff;
    overflow: hidden;
    margin-bottom: 3rem;
}
.qs-book-featured__img {
    min-height: 320px;
    overflow: hidden;
}
.qs-book-featured__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.qs-book-featured__body {
    padding: 2.25rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.qs-book-featured__badge {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--qs-teal);
    border: 1px solid var(--qs-teal);
    padding: 0.2rem 0.6rem;
    margin-bottom: 1rem;
    width: fit-content;
}
.qs-book-featured__title {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 800;
    color: var(--qs-ink);
    margin: 0 0 0.3rem;
    line-height: 1.2;
}
.qs-book-featured__year {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--qs-teal);
    letter-spacing: 0.08em;
    margin: 0 0 1.25rem;
}
.qs-book-featured__body p {
    font-size: 0.95rem;
    color: var(--qs-muted);
    line-height: 1.75;
    margin: 0 0 0.85rem;
}
.qs-book-featured__body p:last-of-type { margin-bottom: 1.5rem; }
.qs-book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}
.qs-book-card {
    background: #fff;
    border: 1px solid var(--qs-border);
    border-top: 3px solid var(--qs-navy);
    box-shadow: var(--qs-shadow-sm);
    display: flex;
    flex-direction: column;
}
.qs-book-card__header {
    padding: 1.25rem 1.25rem 0.75rem;
    border-bottom: 1px solid var(--qs-border);
}
.qs-book-card__title {
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--qs-ink);
    margin: 0 0 0.25rem;
    line-height: 1.3;
}
.qs-book-card__year {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--qs-teal);
    letter-spacing: 0.08em;
    margin: 0;
}
.qs-book-card__body {
    padding: 1rem 1.25rem;
    font-size: 0.88rem;
    color: var(--qs-muted);
    line-height: 1.68;
    flex: 1;
}
.qs-book-card__footer {
    padding: 0.9rem 1.25rem;
    border-top: 1px solid var(--qs-border);
}
.qs-books-intro {
    font-size: 0.95rem;
    color: var(--qs-muted);
    line-height: 1.75;
    max-width: 760px;
    margin: 0 0 0.75rem;
}
.qs-books-intro ul {
    padding-left: 1.25rem;
    margin: 0.75rem 0 0;
}
.qs-books-intro ul li {
    margin-bottom: 0.4rem;
}
@media (max-width: 767px) {
    .qs-book-featured { grid-template-columns: 1fr; }
    .qs-book-featured__img { min-height: 220px; }
    .qs-book-featured__body { padding: 1.5rem; }
}

@media (max-width: 991px) {
    :root { --qs-sidebar-width: 200px; }
    .qs-content-frame { padding: 2rem 1.75rem; }
    .qs-video-unit { grid-template-columns: 1fr; }
    .qs-video-caption { padding: 1.75rem 1.5rem; }
    .qs-video-caption h2 { font-size: 1.15rem; }
    .qs-post-layout { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
    .qs-layout { flex-direction: column; }
    .qs-sidebar {
        width: 100%;
        min-height: auto;
        position: relative;
        z-index: 200;
    }
    /* Show hamburger toggle on mobile so nav links are accessible */
    .qs-sidebar .navbar-toggler { display: block !important; }
    .qs-brand-mark { font-size: 1.8rem; }
    .qs-content-frame { padding: 1.5rem 1.25rem; }
    .qs-hero { padding: 1.5rem 0 1.25rem; }
    /* MiniNav: hidden on mobile */
    .qs-mini-nav { display: none; }
    .qs-mini-nav__label { display: none; }
    .qs-library-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
    .qs-search-bar { max-width: 100%; }
    .qs-cta-row { flex-direction: column; }
    .qs-btn-primary, .qs-btn-outline { width: 100%; justify-content: center; }
    .qs-welcome-line { text-align: left; }
    .qs-tab-pane { padding: 1.5rem 1rem; }
    /* Recommendation rows: stack text and meta vertically on mobile */
    .qs-reco-row { flex-direction: column; align-items: flex-start; }
    .qs-reco-meta { flex-direction: column; align-items: flex-end; }
    /* Post feed: remove decorative box on mobile, space rows with margin */
    .qs-post-feed { background-color: transparent; border-color: transparent; box-shadow: none; }
    .qs-post-feed > .qs-post-row { margin-bottom: 1rem; }
    /* Post item: tighter horizontal padding and stacked thumb layout */
    .qs-item { padding-left: 0.5rem; padding-right: 0.5rem; }
    .qs-item__inner { flex-direction: column; gap: 0.75rem; }
    .qs-item__thumb-icon { width: 100%; }
    .qs-item__thumb-wrap { width: 100%; height: auto; }
}

@media (max-width: 575px) {
    .qs-wordmark { font-size: 2rem; }
    .qs-wordmark.homepage { font-size: 5rem; text-align: center; line-height: 1.2; }
    /* Hide decorative clock on very small screens to prevent hero overflow */
    .qs-hero-clock { display: none; }
    .qs-tab-btn { padding: 0.6rem 0.75rem; font-size: 0.7rem; }
}

/* Blazor */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 10000;
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 0.75rem;
        top: 0.5rem;
    }