:root {
  --paper: #fbf8f2;
  --paper-2: #f3eee4;
  --ink: #1d2329;
  --muted: #5c6670;
  --line: #e4ddd1;
  --teal: #1f6f78;
  --teal-ink: #17565d;
  --rust: #a4461f;
  --ok: #2f6b3a;
  --bad: #a3321c;
  --radius: 10px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 18px/1.6 var(--sans); }
img { max-width: 100%; display: block; height: auto; }
a { color: var(--teal-ink); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; margin: 0 0 .5em; }
h1, .h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }

/* header */
.top { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 10; }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand svg { width: 30px; height: 30px; }
.brand span { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; }
.nav { display: flex; gap: 22px; align-items: center; font-size: .95rem; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover { color: var(--teal-ink); }
.nav a.btn, .nav a.btn:hover { color: #fff; }
:focus-visible { outline: 3px solid var(--teal); outline-offset: 2px; border-radius: 4px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 8px; text-decoration: none; font-weight: 600; }
.skip:focus { top: 12px; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }
.spack { display: block; text-decoration: none; color: var(--ink); margin-top: 12px; }
.spack:hover { border-color: var(--teal); }
.spack ul { list-style: none; padding: 0; margin: 8px 0 0; }
.spack li { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; border-top: 1px solid var(--line); }
.spack .stars { margin: 0; white-space: nowrap; }
.welcome { margin-top: 16px; border-left: 4px solid var(--teal); }
.welcome-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.welcome-head h2 { margin: 0; font-size: 1.3rem; }
.steps { margin: 10px 0 0; padding-left: 0; list-style: none; counter-reset: s; }
.steps li { counter-increment: s; position: relative; padding: 8px 0 8px 40px; border-top: 1px solid var(--line); }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 8px; width: 26px; height: 26px; border-radius: 50%; background: var(--paper-2); color: var(--teal-ink); font-weight: 700; text-align: center; line-height: 26px; }
.steps li.done::before { content: "\2713"; background: var(--teal); color: #fff; }
.steps li.done strong { text-decoration: line-through; color: var(--muted); }
.steps li span { display: block; font-size: .92rem; }
.steps li .btn { margin-top: 6px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.menu-btn { display: none; background: none; border: 1px solid var(--line); border-radius: 8px; width: 42px; height: 38px;
  cursor: pointer; padding: 0; align-items: center; justify-content: center; color: var(--ink); }
.menu-btn svg { width: 20px; height: 20px; }
@media (max-width: 760px) {
  .menu-btn { display: inline-flex; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch;
    gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px 20px 16px; box-shadow: 0 8px 18px rgba(29,35,41,.06); }
  .nav.open { display: flex; }
  .nav > a, .nav > button, .nav > span { padding: 12px 0; border-bottom: 1px solid var(--line); text-align: left; }
  .nav > .btn, .nav > button.btn { margin-top: 10px; text-align: center; border-bottom: 0; }
  .nav .hide-sm { display: block; }
  .top .wrap { position: relative; }
}
.brand img { width: 30px; height: 30px; }

/* Instruments dropdown */
.dd { position: relative; }
.dd-toggle::after { content: ""; display: inline-block; margin-left: 6px; border: 4px solid transparent; border-top-color: currentColor; transform: translateY(2px); }
.dd-menu { display: none; position: absolute; top: 100%; left: -14px; min-width: 220px; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; box-shadow: 0 14px 30px rgba(29,35,41,.12); padding: 8px; z-index: 20; columns: 2; column-gap: 4px; width: 380px; }
.dd-menu a { display: block; padding: 7px 10px; border-radius: 6px; font-size: .92rem; break-inside: avoid; }
.dd-menu a:hover { background: var(--paper-2); }
.dd-menu .dd-all { column-span: all; border-top: 1px solid var(--line); margin-top: 4px; padding-top: 9px; font-weight: 600; color: var(--teal-ink); }
.dd:hover .dd-menu, .dd:focus-within .dd-menu { display: block; }
.dd::before { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 10px; }
@media (max-width: 760px) {
  /* Phone menu: Instruments opens on tap instead of filling the whole menu; the menu scrolls inside itself. */
  .dd-menu { position: static; box-shadow: none; border: 0; padding: 6px 8px; margin-top: 8px; width: auto; columns: 2; background: var(--paper-2); }
  .dd:hover .dd-menu, .dd:focus-within .dd-menu { display: none; }
  .dd.open .dd-menu { display: block; }
  .dd-menu a:hover { background: #fff; }
  .dd-toggle { display: flex; justify-content: space-between; align-items: center; }
  .dd-toggle::after { transition: transform .2s; }
  .dd.open .dd-toggle::after { transform: rotate(180deg); }
  .dd { border-bottom: 1px solid var(--line); padding: 12px 0; }
  .nav.open { max-height: calc(100vh - 72px); overflow-y: auto; overscroll-behavior: contain; }
  body.signed-in .nav > [data-session] { order: -1; }  /* your account links first */
}
.foot-inst { columns: 2; column-gap: 16px; }

/* app tabs for signed-in pages */
.app-tabs { align-items: center; }
.app-tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin: -8px 0 28px; overflow-x: auto; }
.app-tabs a { padding: 10px 14px; text-decoration: none; color: var(--muted); font-weight: 600; font-size: .95rem; border-bottom: 2px solid transparent; white-space: nowrap; }
.app-tabs a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--teal); }

/* product preview on the homepage */
.preview { background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 18px 40px rgba(29,35,41,.08); overflow: hidden; }
.preview-bar { display: flex; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--line); background: var(--paper-2); }
.preview-bar i { width: 10px; height: 10px; border-radius: 50%; background: #d9d1c3; display: block; }
.preview-body { padding: 18px; }
.preview .roster { margin-top: 10px; }
.preview .student { box-shadow: none; }

/* buttons */
.btn { display: inline-block; background: var(--teal); color: #fff; border: 0; border-radius: 999px;
  padding: 12px 22px; font: 600 1rem var(--sans); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--teal-ink); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.btn.small { padding: 8px 14px; font-size: .9rem; }
.btn[disabled] { opacity: .5; cursor: default; }

/* hero */
.hero { padding: 64px 0 40px; }
.hero .grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero .lead { font-size: 1.2rem; color: var(--muted); max-width: 34em; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }
.hero figure { margin: 0; }
.hero img { border-radius: var(--radius); aspect-ratio: 3/2; object-fit: cover; }
@media (max-width: 860px) { .hero .grid { grid-template-columns: 1fr; gap: 24px; } .hero { padding-top: 28px; } }
/* tablets (iPad portrait): a short banner photo and two-column cards */
@media (min-width: 641px) and (max-width: 1024px) {
  .hero img { aspect-ratio: 16/7; max-height: 340px; }
  .cols3 { grid-template-columns: 1fr 1fr; }
  .cols2 { grid-template-columns: 1fr; }
  .plans { grid-template-columns: 1fr 1fr; }
  .plans .feature-plan { grid-column: 1 / -1; }
}
@media (min-width: 861px) and (max-width: 1024px) {
  .hero .grid { grid-template-columns: 1.1fr 1fr; }
  .hero img { aspect-ratio: 4/3; max-height: none; }
}
@media (max-width: 640px) {
  body { font-size: 17px; }
  .hero img { aspect-ratio: 16/9; max-height: 220px; width: 100%; }
  .hero .lead { font-size: 1.05rem; }
  .hero .actions .btn { flex: 1 1 100%; text-align: center; }
  section.band { padding: 44px 0; }
  .feature { display: grid; grid-template-columns: 96px 1fr; gap: 0 14px; align-items: start; }
  .feature img, .feature > .card { grid-row: span 2; width: 96px; height: 96px; aspect-ratio: auto; margin: 0; border-radius: 8px; }
  .feature > .card { display: none !important; }
  .feature h3 { margin: 0 0 4px; font-size: 1.1rem; }
  .feature p { margin: 0; font-size: .95rem; }
  .cols3 { gap: 22px; }
  .sheet { padding: 12px 10px 4px; }
  .plan { padding: 20px; }
  .plan .price { font-size: 1.9rem; }
}

/* sections */
section.band { padding: 64px 0; border-top: 1px solid var(--line); }
section.band.alt { background: var(--paper-2); }
.eyebrow { font: 600 .8rem var(--sans); letter-spacing: .12em; text-transform: uppercase; color: var(--rust); margin-bottom: 10px; }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
@media (max-width: 860px) { .cols3, .cols2 { grid-template-columns: 1fr; } }
.step b { display: block; font-family: var(--serif); font-size: 2rem; color: var(--teal); }
.feature img { border-radius: var(--radius); aspect-ratio: 3/2; object-fit: cover; margin-bottom: 14px; }

/* sheet music cards */
.sheet { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 8px; }
.sheet .meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: .85rem; color: var(--muted); margin-bottom: 4px; }
.sheet .tag { background: var(--paper-2); border-radius: 999px; padding: 2px 10px; }
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.tabs button { background: transparent; border: 1px solid var(--line); border-radius: 999px; padding: 6px 14px; font: 600 .9rem var(--sans); cursor: pointer; color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.player { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding: 10px 0 12px; border-top: 1px solid var(--line); margin-top: 6px; }
.player .lbl { font-size: .85rem; color: var(--muted); margin-right: 4px; }
.player button { background: var(--paper-2); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px; font: 600 .85rem var(--sans); cursor: pointer; color: var(--ink); }
.player button.on { background: var(--teal); color: #fff; border-color: var(--teal); }
.part-label { font: 600 .8rem var(--sans); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 10px 0 0; }

.check { margin: 4px 0 8px; border: 0; padding: 4px 0; }
.check summary { font-size: .92rem; color: var(--ok); }
.checklist { margin: 8px 0 4px; padding: 0; list-style: none; font-size: .92rem; }
.checklist li { padding: 2px 0 2px 24px; position: relative; }
.checklist li::before { content: "\2713"; position: absolute; left: 4px; color: var(--ok); font-weight: 700; }
.teacher { border-top: 1px solid var(--line); padding: 10px 0 6px; }
.row-btns { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 4px 0; }
.row-btns .lbl { font-size: .85rem; color: var(--muted); margin-right: 4px; }
.row-btns button { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; font: 600 .85rem var(--sans); cursor: pointer; color: var(--ink); }
.row-btns button.on { background: var(--teal); color: #fff; border-color: var(--teal); }
.row-btns button:disabled { opacity: .5; }

/* listening and edits */
.listen { border-top: 1px solid var(--line); padding: 8px 0; }
.listen summary { font-weight: 600; font-size: .95rem; color: var(--teal-ink); cursor: pointer; }
.listen-body { padding: 8px 0 4px; }
.listen-body .btn { margin-top: 10px; }
.listen-status { font-size: .95rem; margin: 10px 0 0; min-height: 1.4em; }
.stars { margin: 4px 0 8px; }
.star { font-size: 1.35rem; color: var(--line); margin-right: 2px; }
.star.on { color: #d9a21b; }
.badge-new { margin-top: 10px; padding: 10px 12px; border-radius: var(--radius); background: var(--paper-2); border-left: 4px solid #d9a21b; }
.rewards { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 12px 0 4px; }
.rewards .rw { background: var(--paper-2); border-radius: var(--radius); padding: 8px 14px; display: flex; gap: 8px; align-items: baseline; }
.rewards .rw b { font-family: var(--serif); font-size: 1.25rem; color: var(--teal-ink); }
.rewards .rw span { font-size: .9rem; color: var(--muted); }
.rw-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.badge { display: inline-block; padding: 4px 10px; border-radius: 999px; background: #fff4d6; border: 1px solid #ecd28c; font-size: .85rem; font-weight: 600; color: #6b4d05; }
.listen-score { font-family: var(--serif); font-size: 1.5rem; margin: 6px 0; }
.edit-row input { flex: 1; min-width: 220px; padding: 7px 10px; font-size: .9rem; }

/* studio */
.studio-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
@media (max-width: 640px) { .grid2 { grid-template-columns: 1fr; } }
.roster { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 16px; }
.student { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px; }
.student h3 { margin: 0 0 2px; }
.student p { margin: 0 0 6px; }
.student-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pill { display: inline-block; font-size: .8rem; font-weight: 600; padding: 2px 10px; border-radius: 999px; background: var(--paper-2); color: var(--ink); }
.pill.ok { background: #e3f0e5; color: var(--ok); }
.pill.warn { background: #fbe7df; color: var(--bad); }
.link-btn { background: none; border: 0; color: var(--muted); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; margin: 16px 0 28px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.stat b { display: block; font-family: var(--serif); font-size: 1.8rem; line-height: 1.1; }
.stat span { font-size: .85rem; color: var(--muted); }
table.data { width: 100%; border-collapse: collapse; font-size: .88rem; background: #fff; }
table.data th, table.data td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { font-weight: 600; color: var(--muted); background: var(--paper-2); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }

/* pricing */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
@media (max-width: 860px) { .plans { grid-template-columns: 1fr; } }
.plan { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.plan.feature-plan { border: 2px solid var(--teal); }
.plan .price { font-family: var(--serif); font-size: 2.2rem; font-weight: 600; }
.plan ul { padding-left: 1.1em; margin: 12px 0 18px; }

/* forms */
label { display: block; font-weight: 600; margin: 14px 0 6px; }
input, select, textarea { width: 100%; padding: 10px 12px; font: 1rem var(--sans); border: 1px solid #cfc7b9; border-radius: 8px; background: #fff; color: var(--ink); }
.check { display: flex; gap: 10px; align-items: center; font-weight: 400; }
.check input { width: auto; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.notice { background: #fff6e8; border: 1px solid #edd9b6; border-radius: 8px; padding: 12px 14px; }
.error { color: var(--bad); }
ul.log { list-style: none; padding: 0; font-size: .95rem; }
ul.log li { padding: 4px 0; border-bottom: 1px dashed var(--line); }

/* library */
.lib { padding: 28px 20px 64px; max-width: 1080px; }
.lib h2 { font-size: 1.45rem; margin-top: 36px; }
.checks { list-style: none; padding: 0; margin: 0 0 18px; }
.checks li { position: relative; padding: 0 0 12px 30px; }
.checks li::before { content: ""; position: absolute; left: 2px; top: .35em; width: 14px; height: 8px; border-left: 2.5px solid var(--teal); border-bottom: 2.5px solid var(--teal); transform: rotate(-45deg); }
.pains { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 32px; }
.pain h3 { margin: 0 0 6px; font-size: 1.15rem; }
.pain p { margin: 0; }
@media (max-width: 700px) { .pains { grid-template-columns: 1fr; } }
img.rounded { border-radius: var(--radius); width: 100%; }
.cta-end { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-end .btn { margin: 6px 4px 0; }
body.signed-in .nav a.mk { display: none; }
.viewas-bar { position: sticky; top: 0; z-index: 95; display: flex; gap: 12px; align-items: center; justify-content: center; flex-wrap: wrap;
  background: #6b4d05; color: #fff; padding: 8px 16px; font-size: .95rem; }
.viewas-bar .btn { background: #fff; color: #6b4d05; }
.tour-ring { position: absolute; z-index: 90; border: 3px solid var(--teal); border-radius: 12px; box-shadow: 0 0 0 9999px rgba(29,35,41,.35); pointer-events: none; transition: all .25s; }
.tour-card { position: absolute; z-index: 91; background: #fff; border-radius: 12px; padding: 14px 16px; box-shadow: 0 10px 30px rgba(0,0,0,.2); }
.tour-card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.tour-card p { margin: 0 0 10px; font-size: .95rem; }
.tour-count { color: var(--muted); font-size: .8rem !important; margin-bottom: 4px !important; }
.tour-btns { display: flex; gap: 8px; align-items: center; justify-content: flex-end; }
.tour-btns .link-btn { margin-right: auto; }
.tip { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; margin-left: 6px; border-radius: 50%;
  background: var(--paper-2); color: var(--teal-ink); font: 700 .75rem var(--sans); cursor: help; position: relative; vertical-align: middle; }
.tip::after { content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translateX(-50%); width: max-content; max-width: 240px;
  background: var(--ink); color: #fff; font: 400 .85rem/1.4 var(--sans); padding: 8px 10px; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .15s; z-index: 20; white-space: normal; text-align: left; }
.tip:hover::after, .tip:focus::after { opacity: 1; }
.swipe-hint, .cmp-dots { display: none; }
@media (max-width: 860px) {
  .swipe-hint { display: flex; align-items: center; gap: 8px; margin: 0 0 10px; font-weight: 600; color: var(--teal-ink); font-size: .95rem; transition: opacity .3s; }
  .swipe-hint.seen { opacity: .55; }
  .swipe-arrow { display: inline-block; animation: nudge 1.4s ease-in-out infinite; }
  @keyframes nudge { 0%, 100% { transform: translateX(0); } 50% { transform: translateX(6px); } }
  .cmp-scroll { position: relative; }
  .cmp-scroll::after { content: ""; position: absolute; top: 1px; right: 1px; bottom: 1px; width: 42px; pointer-events: none;
    border-radius: 0 var(--radius) var(--radius) 0; background: linear-gradient(to right, rgba(251,248,242,0), rgba(251,248,242,.95)); transition: opacity .2s; }
  .cmp-scroll.at-end::after { opacity: 0; }
  .cmp-wrap { scroll-snap-type: x proximity; scroll-padding-left: 128px; -webkit-overflow-scrolling: touch; }
  table.cmp th[scope=row], table.cmp tr:first-child th:first-child { position: sticky; left: 0; z-index: 2; min-width: 128px; max-width: 128px; font-size: .82rem; box-shadow: 2px 0 0 var(--line); }
  table.cmp tr:first-child th:first-child { background: var(--paper-2); }
  table.cmp td, table.cmp tr:first-child th:not(:first-child) { min-width: 150px; scroll-snap-align: start; }
  .cmp-dots { display: flex; justify-content: center; gap: 7px; margin-top: 12px; }
  .cmp-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); transition: background .2s, transform .2s; }
  .cmp-dots i.on { background: var(--teal); transform: scale(1.25); }
}
table.cmp th[scope=row] { font-weight: 600; color: var(--ink); background: #fff; min-width: 190px; }
@media (max-width: 860px) { table.cmp th[scope=row], table.cmp tr:first-child th:first-child { min-width: 128px !important; max-width: 128px !important; width: 128px; } }
table.cmp td { min-width: 120px; }
table.cmp tr:first-child th:nth-child(2), table.cmp td:nth-child(2) { background: #eef6f6; font-weight: 600; }
table.cmp td.c-yes::before { content: "\2713  "; color: var(--ok); font-weight: 700; }
table.cmp td.c-no { color: var(--muted); }
table.cmp td.c-part::before { content: "\25CB  "; color: #b58a1b; }
.crumbs { color: var(--muted); margin: 0 0 10px; }
.crumbs a { color: var(--muted); }
.cgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.ccard { position: relative; display: block; border-radius: var(--radius); overflow: hidden; text-decoration: none; color: #fff; aspect-ratio: 4/3; background: var(--ink); }
.ccard img { width: 100%; height: 100%; object-fit: cover; opacity: .7; transition: transform .3s ease, opacity .3s ease; }
.ccard:hover img { transform: scale(1.04); opacity: .55; }
.ccard span { position: absolute; left: 14px; bottom: 12px; right: 14px; display: flex; justify-content: space-between; align-items: baseline; }
.ccard strong { font-family: var(--serif); font-size: 1.3rem; }
.ccard em { font-style: normal; font-size: .85rem; opacity: .9; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { display: inline-flex; gap: 8px; align-items: center; padding: 8px 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem; }
.chip em { font-style: normal; color: var(--muted); font-weight: 400; }
.chip:hover { border-color: var(--teal); color: var(--teal-ink); }
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 16px; }
.filters select { width: auto; min-width: 170px; }
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.pcard { display: flex; flex-direction: column; gap: 6px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; text-decoration: none; color: var(--ink); transition: border-color .2s, box-shadow .2s; }
.pcard:hover { border-color: var(--teal); box-shadow: 0 8px 20px rgba(29,35,41,.07); }
.pcard[hidden] { display: none; }
.pcard h3 { margin: 0; font-size: 1.15rem; }
.pcard p { margin: 0; }
.pcard-inst { font: 600 .75rem var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--rust); }
.pcard-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: auto; padding-top: 6px; }
.pcard-tags .tag { background: var(--paper-2); border-radius: 999px; padding: 2px 10px; font-size: .8rem; }
.lib-cols { display: grid; grid-template-columns: 1.4fr 1fr; gap: 36px; margin-top: 12px; }
.lib-cols ol { padding-left: 1.2em; }
.lib-cols li { margin-bottom: 6px; }
.tip { background: #eef5f5; border-left: 3px solid var(--teal); padding: 12px 16px; border-radius: 6px; margin-top: 14px; }
.cta-band { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; background: var(--ink); color: #e8edf1;
  border-radius: 14px; padding: 26px 28px; margin: 40px 0 8px; }
.cta-band h2 { color: #fff; margin: 0 0 6px; font-size: 1.4rem; }
.cta-band p { margin: 0; color: #c9d0d6; max-width: 40em; }
@media (max-width: 860px) { .lib-cols { grid-template-columns: 1fr; gap: 8px; } .filters select { flex: 1 1 140px; min-width: 0; } }

/* sign-in page */
.auth { display: grid; grid-template-columns: 1fr 1fr; min-height: calc(100vh - 64px); }
.auth-side { position: relative; background: var(--ink); color: #fff; overflow: hidden; }
.auth-side img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .45; }
.auth-side-text { position: relative; padding: 64px 48px; max-width: 520px; }
.auth-side h2 { color: #fff; font-size: clamp(1.8rem, 3vw, 2.6rem); }
.auth-side ul { list-style: none; padding: 0; margin: 20px 0 0; }
.auth-side li { padding: 8px 0 8px 30px; position: relative; font-size: 1.05rem; }
.auth-side li::before { content: "\2713"; position: absolute; left: 0; color: #9fd3d7; font-weight: 700; }
.auth-main { display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-title { font-size: clamp(1.9rem, 3vw, 2.4rem); }
.google-btn { width: 100%; display: flex; align-items: center; justify-content: center; gap: 10px; margin-top: 20px;
  background: #fff; border: 1px solid #cfc7b9; border-radius: 999px; padding: 12px 18px; font: 600 1rem var(--sans); color: var(--ink); cursor: pointer; }
.google-btn:hover { background: var(--paper-2); }
.or { display: flex; align-items: center; gap: 12px; margin: 22px 0 6px; color: var(--muted); font-size: .9rem; }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .auth { grid-template-columns: 1fr; min-height: 0; }
  .auth-side { min-height: 0; }
  .auth-side-text { padding: 32px 20px; }
  .auth-side ul { display: none; }
  .auth-main { order: -1; padding: 28px 20px 36px; }
}

/* site footer */
.site-footer { background: var(--ink); color: #c9d0d6; padding: 56px 0 28px; margin-top: 0; border-top: 0; font-size: .95rem; }
.site-footer a { color: #e8edf1; text-decoration: none; }
.site-footer a:hover { color: #9fd3d7; text-decoration: underline; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1.1fr 1fr 1.2fr; gap: 28px; }
.foot-brand p { color: #aab4bd; max-width: 30em; margin: 12px 0 18px; }
.foot-logo { display: inline-flex; align-items: center; gap: 10px; }
.foot-logo span { font-family: var(--serif); font-weight: 600; font-size: 1.3rem; color: #fff; }
.site-footer h4, .site-footer h2 { font: 600 .78rem var(--sans); letter-spacing: .12em; text-transform: uppercase; color: #8fa0ad; margin: 4px 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin: 0 0 9px; }
.foot-legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; border-top: 1px solid #333c45;
  margin-top: 40px; padding-top: 20px; font-size: .85rem; color: #8fa0ad; }
@media (max-width: 860px) { .foot-grid { grid-template-columns: 1fr 1fr; } .foot-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .foot-grid { grid-template-columns: 1fr 1fr; gap: 24px 16px; } }

/* faq + footer */
details { border-bottom: 1px solid var(--line); padding: 14px 0; }
summary { cursor: pointer; font-weight: 600; }
footer { border-top: 1px solid var(--line); padding: 36px 0 48px; font-size: .9rem; color: var(--muted); }
footer .wrap { display: grid; gap: 10px; }

@media print {
  .top, footer, .no-print, .player, .tabs { display: none !important; }
  body { background: #fff; }
  .sheet { border: 0; padding: 0; page-break-after: always; }
}