.is-lib { background: #ffffff; font-family: 'Inter', system-ui, sans-serif; color: #1a1513; }
  .is-lib__kicker { display: inline-block; font-size: 10px; letter-spacing: 0.3em; color: #c9a96e; text-transform: uppercase; font-weight: 500; margin-bottom: 18px; }
  .is-lib__h2 { font-family: 'Cormorant Garamond', serif; font-size: clamp(26px, 3.4vw, 38px); font-weight: 400; color: #1a1513; line-height: 1.2; margin: 0; letter-spacing: -0.005em; }
  .is-lib__h2 em { font-style: italic; color: #c9a96e; }

  .is-lib__hero { background: linear-gradient(180deg, #0a0807 0%, #14100e 100%); color: #f3eee7; padding: 90px clamp(20px, 4vw, 48px) 80px; position: relative; }
  .is-lib__hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(201,169,110,0.3) 50%, transparent); }
  .is-lib__hero-inner { max-width: 1040px; margin: 0 auto; }
  .is-lib__h1 { font-family: 'Cormorant Garamond', serif; font-size: clamp(40px, 5.6vw, 64px); font-weight: 300; line-height: 1.08; margin: 0 0 22px; color: #f5f0e8; letter-spacing: -0.01em; }
  .is-lib__h1 em { font-style: italic; color: #c9a96e; }
  .is-lib__hero-sub { font-size: 16px; line-height: 1.7; color: #a89f92; margin: 0 0 28px; max-width: 640px; }
  .is-lib__status-row { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; padding-top: 22px; border-top: 1px solid rgba(201,169,110,0.14); }
  .is-lib__status { display: inline-flex; align-items: center; gap: 10px; font-size: 11px; letter-spacing: 0.18em; color: #e8d5a3; text-transform: uppercase; }
  .is-lib__status-dot { width: 8px; height: 8px; border-radius: 50%; background: #c9a96e; box-shadow: 0 0 0 4px rgba(201,169,110,0.2); animation: is-pulse 2s infinite; }
  @keyframes is-pulse { 50% { box-shadow: 0 0 0 8px rgba(201,169,110,0); } }
  .is-lib__status--muted { color: #8a7f6e; }
  .is-lib__status-cta { display: inline-block; padding: 10px 18px; background: linear-gradient(135deg, #c9a96e, #e8d5a3); color: #0a0a0a; text-decoration: none; font-size: 11px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; border-radius: 4px; transition: opacity 0.2s; }
  .is-lib__status-cta:hover { opacity: 0.88; color: #0a0a0a; }

  .is-lib__body { background: #fbf8f2; padding: 70px clamp(20px, 4vw, 48px) 100px; }
  .is-lib__body-inner { max-width: 1240px; margin: 0 auto; }
  .is-lib__grid-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 32px; gap: 20px; }
  .is-lib__count { font-size: 12px; letter-spacing: 0.16em; color: #8a7f6e; text-transform: uppercase; font-variant-numeric: tabular-nums; }
  .is-lib__grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
  .is-lib__card { background: #ffffff; border: 1.5px solid #eee6d8; border-radius: 16px; overflow: hidden; transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s; }
  .is-lib__card:hover { border-color: rgba(201,169,110,0.4); box-shadow: 0 20px 44px rgba(201,169,110,0.1); transform: translateY(-2px); }
  .is-lib__card--playing { border-color: rgba(201,169,110,0.6); background: linear-gradient(180deg, #ffffff 0%, #fcf6e8 100%); box-shadow: 0 24px 56px rgba(201,169,110,0.18); }
  .is-lib__card-art { position: relative; aspect-ratio: 4/3; background: #0a0807; overflow: hidden; }
  .is-lib__card-art img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.5s ease; }
  .is-lib__card:hover .is-lib__card-art img { transform: scale(1.04); }
  .is-lib__card-placeholder { width: 100%; height: 100%; background: linear-gradient(135deg, #1a1513, #0a0807); }
  .is-lib__play { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.35); border: 0; color: #f3eee7; cursor: pointer; opacity: 0; transition: opacity 0.25s; width: 100%; height: 100%; backdrop-filter: blur(1px); }
  .is-lib__card:hover .is-lib__play, .is-lib__card--playing .is-lib__play { opacity: 1; }
  .is-lib__play svg { width: 66px; height: 66px; transition: transform 0.2s, color 0.2s; color: #f3eee7; }
  .is-lib__play:hover svg { transform: scale(1.08); color: #c9a96e; }
  .is-lib__play--loading svg { opacity: 0.5; animation: is-spin 1s linear infinite; }
  @keyframes is-spin { to { transform: rotate(360deg); } }
  .is-lib__card-body { padding: 22px 22px 18px; display: flex; flex-direction: column; gap: 6px; }
  .is-lib__card-cat { font-size: 9px; letter-spacing: 0.24em; color: #c9a96e; text-transform: uppercase; font-weight: 600; }
  .is-lib__card-title { font-family: 'Cormorant Garamond', serif; font-size: 22px; font-weight: 500; color: #1a1513; margin: 4px 0 12px; line-height: 1.2; letter-spacing: -0.005em; }
  .is-lib__card-player { background: #fbf8f2; border-radius: 8px; padding: 6px 8px; border: 1px solid rgba(201,169,110,0.1); }
  .is-lib__audio { width: 100%; height: 36px; filter: invert(1) hue-rotate(180deg) saturate(1.2); }
  .is-lib__audio::-webkit-media-controls-enclosure { overflow: hidden; }
  .is-lib__audio::-webkit-media-controls-panel { overflow: hidden; }
  .is-lib__audio::-internal-media-controls-download-button { display: none; }

  .is-lib--guest { background: linear-gradient(180deg, #0a0807 0%, #14100e 100%); color: #f3eee7; padding: 140px clamp(20px, 4vw, 48px); min-height: 72vh; display: flex; align-items: center; justify-content: center; text-align: center; position: relative; }
  .is-lib--guest::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(201,169,110,0.3) 50%, transparent); }
  .is-lib__guest-inner { max-width: 680px; }
  .is-lib__guest-h { font-family: 'Cormorant Garamond', serif; font-size: clamp(40px, 5.8vw, 68px); font-weight: 300; line-height: 1.08; margin: 0 0 22px; color: #f5f0e8; letter-spacing: -0.01em; }
  .is-lib__guest-h em { font-style: italic; color: #c9a96e; }
  .is-lib__guest-sub { font-size: 17px; line-height: 1.7; color: #a89f92; margin: 0 auto 36px; max-width: 560px; }
  .is-lib__guest-ctas { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; margin-bottom: 22px; }
  .is-lib__btn { display: inline-block; padding: 16px 28px; font-size: 11px; font-weight: 500; letter-spacing: 0.22em; text-transform: uppercase; text-decoration: none; border-radius: 4px; transition: opacity 0.2s, border-color 0.2s, background 0.2s, color 0.2s; }
  .is-lib__btn--primary { background: linear-gradient(135deg, #c9a96e, #e8d5a3); color: #0a0a0a; }
  .is-lib__btn--primary:hover { opacity: 0.88; color: #0a0a0a; }
  .is-lib__btn--ghost { color: #c9a96e; border: 1px solid rgba(201,169,110,0.3); }
  .is-lib__btn--ghost:hover { border-color: #c9a96e; background: rgba(201,169,110,0.06); }
  .is-lib__guest-finep { font-size: 13px; color: #8a7f6e; margin: 0; }
  .is-lib__guest-finep a { color: #c9a96e; text-decoration: underline; text-underline-offset: 3px; }

  .is-lib__empty { background: #fbf8f2; padding: 100px clamp(20px, 4vw, 48px); }
  .is-lib__empty-inner { max-width: 860px; margin: 0 auto; text-align: center; }
  .is-lib__empty-h { font-family: 'Cormorant Garamond', serif; font-size: clamp(32px, 4vw, 46px); font-weight: 300; color: #1a1513; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.008em; }
  .is-lib__empty-h em { font-style: italic; color: #c9a96e; }
  .is-lib__empty-sub { font-size: 16px; line-height: 1.7; color: #555; margin: 0 0 36px; }
  .is-lib__empty-tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 28px; }
  .is-lib__empty-tier { background: #ffffff; border: 1.5px solid #eee6d8; border-radius: 14px; padding: 22px 20px; display: flex; flex-direction: column; gap: 6px; text-align: left; text-decoration: none; color: inherit; transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s; }
  .is-lib__empty-tier:hover { border-color: rgba(201,169,110,0.4); transform: translateY(-2px); box-shadow: 0 16px 36px rgba(201,169,110,0.08); }
  .is-lib__empty-tier--gold { background: linear-gradient(180deg, #ffffff 0%, #fdf6e8 100%); border-color: rgba(201,169,110,0.5); }
  .is-lib__empty-tier-eyebrow { font-size: 9px; letter-spacing: 0.22em; color: #c9a96e; text-transform: uppercase; font-weight: 600; }
  .is-lib__empty-tier-title { font-family: 'Cormorant Garamond', serif; font-size: 20px; color: #1a1513; font-weight: 500; line-height: 1.2; }
  .is-lib__empty-tier-price { font-size: 13px; color: #555; }
  .is-lib__empty-quiz { font-size: 14px; color: #8a7f6e; margin: 0; }
  .is-lib__empty-quiz a { color: #c9a96e; text-decoration: underline; text-underline-offset: 3px; }

  .is-lib__tips { background: #ffffff; padding: 100px clamp(20px, 4vw, 48px); }
  .is-lib__tips-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
  .is-lib__tips-inner > .is-lib__h2 { margin-bottom: 48px; }
  .is-lib__tips-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: left; margin-bottom: 32px; }
  .is-lib__tip { background: #fbf8f2; border: 1.5px solid #eee6d8; border-radius: 14px; padding: 26px 24px; transition: border-color 0.25s, transform 0.25s; }
  .is-lib__tip:hover { border-color: rgba(201,169,110,0.4); transform: translateY(-2px); }
  .is-lib__tip-ico { display: inline-flex; width: 42px; height: 42px; border-radius: 50%; background: rgba(201,169,110,0.1); border: 1px solid rgba(201,169,110,0.22); color: #c9a96e; align-items: center; justify-content: center; margin-bottom: 16px; }
  .is-lib__tip-ico svg { width: 20px; height: 20px; }
  .is-lib__tip h3 { font-family: 'Cormorant Garamond', serif; font-size: 20px; font-weight: 500; color: #1a1513; margin: 0 0 8px; line-height: 1.25; }
  .is-lib__tip p { font-size: 13.5px; line-height: 1.65; color: #555; margin: 0; }
  .is-lib__tips-foot { font-size: 14px; color: #8a7f6e; margin: 0; }
  .is-lib__tips-foot a { color: #c9a96e; text-decoration: underline; text-underline-offset: 3px; }

  @media screen and (max-width: 900px) {
    .is-lib__empty-tiers { grid-template-columns: 1fr; }
    .is-lib__tips-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media screen and (max-width: 600px) {
    .is-lib--guest { padding: 96px 20px; min-height: 80vh; }
    .is-lib__guest-h { font-size: 38px; }
    .is-lib__guest-sub { font-size: 15px; }
    .is-lib__guest-ctas { flex-direction: column; align-items: stretch; }
    .is-lib__btn { text-align: center; }
    .is-lib__hero { padding: 68px 20px 52px; }
    .is-lib__h1 { font-size: 38px; }
    .is-lib__hero-sub { font-size: 15px; }
    .is-lib__status-row { flex-direction: column; align-items: flex-start; gap: 14px; }
    .is-lib__body { padding: 48px 18px 64px; }
    .is-lib__grid-head { flex-direction: column; align-items: flex-start; gap: 8px; }
    .is-lib__grid { grid-template-columns: 1fr; gap: 16px; }
    .is-lib__empty { padding: 64px 18px; }
    .is-lib__empty-h { font-size: 28px; }
    .is-lib__tips { padding: 64px 18px; }
    .is-lib__tips-grid { grid-template-columns: 1fr; }
  }