@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Public+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@500&display=swap');

:root {
    --paper: #FBFAF5;
    --ink: #16241C;
    --ink-soft: #43524A;
    --sage: #4E8B62;
    --sage-deep: #2E5B3E;
    --sage-pale: #E3EFE2;
    --gold: #B8863B;
    --line: #DDD9CC;
    --font-display: 'Fraunces', serif;
    --font-body: 'Public Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    line-height: 1.5;
}

a { color: inherit; }

.wrap {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 32px;
}

/* ---- Top bar ---- */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
    padding: 0;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    color: var(--ink);
}

.brand-logo {
    max-height: 48px;
    max-width: 220px;
    height: auto;
    width: auto;
    display: block;
    object-fit: contain;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-field {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 8px 14px;
    width: 260px;
    font-size: 14px;
    color: var(--ink-soft);
}

.search-field input {
    border: none;
    outline: none;
    background: none;
    font-family: var(--font-body);
    font-size: 14px;
    width: 100%;
    color: var(--ink);
}

.btn {
    display: inline-block;
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    font-family: var(--font-body);
}

.btn-ghost {
    color: var(--ink);
    border: 1px solid var(--line);
}

.btn-solid {
    background: var(--sage-deep);
    color: #fff;
}

/* ---- Hero ---- */
.hero {
    padding: 76px 0 56px;
}

.eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sage-deep);
    margin: 0 0 18px;
}

h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 48px;
    line-height: 1.12;
    max-width: 760px;
    margin: 0 0 20px;
}

.hero-sub {
    font-size: 17px;
    color: var(--ink-soft);
    max-width: 560px;
    margin: 0 0 32px;
}

.hero-actions {
    display: flex;
    gap: 14px;
    margin-bottom: 64px;
}

/* ---- Shelf (signature element) ---- */
.shelf-label {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--ink-soft);
    margin-bottom: 14px;
}

.shelf {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    padding: 0 0 14px;
    border-bottom: 6px solid #C9BFA0;
    overflow-x: auto;
}

.spine {
    flex: 0 0 auto;
    width: 46px;
    height: 168px;
    border-radius: 4px 4px 0 0;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 14px;
    text-decoration: none;
    transition: transform 0.15s ease;
}

.spine:hover { transform: translateY(-10px); }

.spine span {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    font-family: var(--font-display);
    font-size: 13px;
    letter-spacing: 0.02em;
}

.spine.c1 { background: var(--sage); }
.spine.c1 span { color: #EAF3E8; }
.spine.c2 { background: var(--sage-deep); }
.spine.c2 span { color: #EAF3E8; }
.spine.c3 { background: var(--gold); }
.spine.c3 span { color: #3A2A0F; }
.spine.c4 { background: var(--ink); }
.spine.c4 span { color: #EDEAE0; }
.spine.c5 { background: var(--sage-pale); border: 1px solid var(--line); }
.spine.c5 span { color: var(--sage-deep); }

@media (prefers-reduced-motion: reduce) {
    .spine { transition: none; }
    .spine:hover { transform: none; }
}

/* ---- Feature strip ---- */
.features {
    padding: 60px 0 80px;
    border-top: 1px solid var(--line);
}

.features h2 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 26px;
    margin: 0 0 40px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-card .num {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--gold);
    margin: 0 0 10px;
}

.feature-card h3 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 18px;
    margin: 0 0 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--ink-soft);
    margin: 0;
}

/* ---- Footer ---- */
footer {
    border-top: 1px solid var(--line);
    padding: 28px 0;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--ink-soft);
}

@media (max-width: 720px) {
    h1 { font-size: 34px; }
    .search-field { display: none; }
    .feature-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-wrap: wrap; }
}

/* ---- Auth pages (split screen) ---- */
.auth-shell {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
}

.auth-visual {
    background: var(--ink);
    color: #F3F1E6;
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.auth-visual-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #F3F1E6;
}

.auth-visual-logo img {
    max-height: 40px;
    max-width: 180px;
    height: auto;
    width: auto;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}

.auth-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #A9C3AC;
    margin: 0 0 18px;
}

.auth-quote {
    font-family: var(--font-display);
    font-weight: 400;
    font-size: 30px;
    line-height: 1.28;
    max-width: 440px;
    margin: 0 0 14px;
}

.auth-quote-source {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #A9C3AC;
    margin: 0;
}

.subject-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 32px 0 0;
    max-width: 480px;
}

.subject-tags span {
    font-size: 12px;
    font-family: var(--font-mono);
    padding: 6px 12px;
    border: 1px solid rgba(243, 241, 230, 0.25);
    border-radius: 20px;
    color: #D8E5D9;
}

.auth-book {
    position: absolute;
    right: -40px;
    bottom: -30px;
    width: 340px;
    height: auto;
    opacity: 0.9;
}

.auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: var(--paper);
}

.auth-form-inner {
    width: 100%;
    max-width: 380px;
}

.auth-form-inner h1 {
    font-size: 28px;
    margin: 0 0 8px;
}

.auth-sub {
    font-size: 14px;
    color: var(--ink-soft);
    margin: 0 0 32px;
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}

.field input,
.field select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: 14px;
    background: #fff;
    color: var(--ink);
}

.field input:focus,
.field select:focus {
    outline: none;
    border-color: var(--sage);
}

.field-hint {
    font-size: 12px;
    color: var(--ink-soft);
    margin-top: 6px;
}

.btn-full {
    width: 100%;
    text-align: center;
    border: none;
    cursor: pointer;
    margin-top: 6px;
}

.auth-alert {
    background: #FBEAEA;
    color: #8A2E2E;
    border: 1px solid #E7B8B8;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    margin-bottom: 20px;
}

.auth-foot {
    margin-top: 24px;
    font-size: 13px;
    color: var(--ink-soft);
    text-align: center;
}

.auth-foot a {
    color: var(--sage-deep);
    font-weight: 500;
    text-decoration: none;
}

@media (max-width: 860px) {
    .auth-shell { grid-template-columns: 1fr; }
    .auth-visual { display: none; }
    .auth-form-panel { min-height: 100vh; }
}

/* =========================================================
   APP SHELL — dashboards, browse, admin pages
   ========================================================= */

.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.app-sidebar {
    background: var(--ink);
    color: #E9E7DA;
    display: flex;
    flex-direction: column;
    padding: 24px 0;
}

.app-sidebar-logo {
    display: flex;
    align-items: center;
    padding: 0 24px 24px;
}

.app-sidebar-logo img {
    max-height: 32px;
    max-width: 160px;
    filter: brightness(0) invert(1);
    opacity: 0.92;
}

.app-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
}

.app-nav-label {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #7E9583;
    padding: 16px 24px 8px;
}

.app-nav a {
    display: block;
    padding: 9px 24px;
    font-size: 14px;
    color: #D8E5D9;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.app-nav a:hover {
    background: rgba(243, 241, 230, 0.06);
}

.app-nav a.active {
    background: rgba(243, 241, 230, 0.08);
    border-left-color: var(--sage);
    color: #fff;
    font-weight: 500;
}

.app-sidebar-user {
    padding: 16px 24px 0;
    border-top: 1px solid rgba(243, 241, 230, 0.12);
    font-size: 13px;
}

.app-sidebar-user .name {
    color: #fff;
    font-weight: 500;
    margin: 0 0 2px;
}

.app-sidebar-user .role {
    color: #9DB49F;
    margin: 0 0 12px;
}

.app-sidebar-user a {
    color: #C9A55C;
    text-decoration: none;
    font-size: 13px;
}

.app-main {
    background: var(--paper);
}

.app-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 32px;
    border-bottom: 1px solid var(--line);
}

.app-topbar h1 {
    font-family: var(--font-display);
    font-weight: 500;
    font-size: 22px;
    margin: 0;
}

.app-content {
    padding: 32px;
}

/* Cards, stat tiles, tables — shared across app pages */
.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 20px;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

.stat-tile {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 16px 18px;
}

.stat-tile .label {
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ink-soft);
    margin: 0 0 8px;
}

.stat-tile .value {
    font-family: var(--font-display);
    font-size: 26px;
    margin: 0;
}

table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    text-align: left;
    font-family: var(--font-mono);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--ink-soft);
    padding: 10px 12px;
    border-bottom: 1px solid var(--line);
}

.data-table td {
    padding: 12px;
    border-bottom: 1px solid var(--line);
}

.badge {
    display: inline-block;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.badge-active { background: var(--sage-pale); color: var(--sage-deep); }
.badge-pending { background: #FBF2DC; color: #8A6A1E; }
.badge-suspended { background: #FBEAEA; color: #8A2E2E; }

/* Wisdom strip — recurring quote/subject motif inside app pages
   (keeps the "world of knowledge" feel without a full split panel) */
.wisdom-strip {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--ink);
    color: #E9E7DA;
    border-radius: 10px;
    padding: 16px 22px;
    margin-bottom: 28px;
}

.wisdom-strip .quote {
    font-family: var(--font-display);
    font-size: 15px;
    flex: 1;
    margin: 0;
}

.wisdom-strip .tag {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #9DB49F;
    white-space: nowrap;
}

@media (max-width: 900px) {
    .app-shell { grid-template-columns: 1fr; }
    .app-sidebar { display: none; }
}