/* ===========================================================================
   Read Shed — public network site. Cozy, bookish, editorial. Cream + forest.
   =========================================================================== */
:root{
  --paper:#f7f4ec;--paper-2:#efe9db;--card:#fffdf8;--ink:#20271f;--ink-soft:#56604f;
  --ink-faint:#8c9384;--line:#e3ddcd;--accent:#2f7d5b;--accent-dark:#235e44;
  --gold:#c79a3f;--ember:#d2603a;--radius:16px;--radius-sm:10px;
  --shadow-md:0 8px 28px rgba(32,39,31,.10);--shadow-lg:0 28px 60px rgba(32,39,31,.20);
  --serif:"Fraunces",Georgia,serif;--sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.1;letter-spacing:-.01em;margin:0}
img{max-width:100%}
.rs-container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.muted{color:var(--ink-faint)}

.rs-header{position:sticky;top:0;z-index:40;background:rgba(247,244,236,.86);backdrop-filter:saturate(150%) blur(12px);border-bottom:1px solid var(--line)}
.rs-header__inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.rs-brand{font-family:var(--serif);font-size:1.4rem;font-weight:700;display:flex;align-items:center;gap:9px}
.rs-brand__mark{font-size:1.3rem}
.rs-nav{display:flex;gap:24px}
.rs-nav a{font-weight:500;color:var(--ink-soft)}
.rs-nav a:hover{color:var(--accent)}

.rs-btn{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.95rem;padding:.8rem 1.4rem;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:.15s}
.rs-btn--primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(47,125,91,.28)}
.rs-btn--primary:hover{background:var(--accent-dark)}
.rs-btn--ghost{background:var(--card);border-color:var(--line);color:var(--ink)}
.rs-btn--ghost:hover{border-color:var(--ink-faint)}
.rs-btn--lg{padding:1rem 1.8rem;font-size:1.05rem}

.rs-hero{position:relative;overflow:hidden;padding:72px 0 56px;text-align:center}
.rs-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(800px 420px at 50% -10%,rgba(47,125,91,.14),transparent 60%),radial-gradient(600px 400px at 90% 120%,rgba(199,154,63,.12),transparent 55%);pointer-events:none}
.rs-eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:16px}
.rs-hero h1{font-size:clamp(2.4rem,5vw,4rem)}
.rs-hero h1 em{font-style:italic;color:var(--accent)}
.rs-hero__lede{font-size:1.18rem;color:var(--ink-soft);max-width:54ch;margin:18px auto 30px}
.rs-hero__cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.rs-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;max-width:880px;margin:48px auto 0;position:relative}
.rs-stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;box-shadow:var(--shadow-md)}
.rs-stat__num{font-family:var(--serif);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;color:var(--accent)}
.rs-stat__label{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-faint);font-weight:600;margin-top:4px}

.rs-section{padding:60px 0}
.rs-section--tint{background:var(--paper-2)}
.rs-section__head{text-align:center;margin-bottom:36px}
.rs-section__head h2{font-size:clamp(1.8rem,3vw,2.4rem)}
.rs-section__head p{color:var(--ink-faint);margin:8px 0 0}

.rscover{container-type:inline-size;position:relative;aspect-ratio:3/4.4;border-radius:6px 11px 11px 6px;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end;padding:8% 8% 9% 11%;background:linear-gradient(150deg,var(--c1),var(--c2));color:#fff;box-shadow:var(--shadow-md)}
.rscover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4.5cqw;min-width:4px;background:linear-gradient(90deg,rgba(0,0,0,.28),transparent)}
.rscover::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.18),transparent 40%)}
.rscover__band{position:absolute;top:0;left:0;right:0;height:2.2cqw;min-height:2px;background:rgba(255,255,255,.55)}
.rscover__title{font-family:var(--serif);font-weight:600;line-height:1.12;font-size:1rem;font-size:10cqw;text-shadow:0 1px 8px rgba(0,0,0,.18);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.rscover__author{opacity:.9;margin-top:4cqw;text-transform:uppercase;letter-spacing:.05em;font-size:.7rem;font-size:4.4cqw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rscover__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:2}

.rs-spotlight{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:var(--shadow-lg)}
.rs-spotlight__cover{width:260px;margin:0 auto}
.rs-spotlight__cover .rscover{transform:rotate(-3deg)}
.rs-spotlight__tag{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--ember);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.rs-spotlight h2{font-size:clamp(1.8rem,3.5vw,2.8rem);margin-bottom:6px}
.rs-spotlight__author{font-size:1.1rem;color:var(--ink-soft);margin-bottom:8px}
.rs-spotlight__meta{color:var(--ink-faint);font-size:.92rem;margin-bottom:22px}
.rs-spotlight__meta strong{color:var(--accent)}

.rs-periods{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.rs-period{display:flex;gap:16px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:.18s}
.rs-period:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.rs-period .rscover{width:64px;flex:0 0 64px;box-shadow:0 4px 12px rgba(0,0,0,.18)}
.rs-period__tag{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.rs-period h3{font-size:1.05rem;margin:3px 0;line-height:1.2}
.rs-period small{color:var(--ink-faint)}

.rs-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:26px 20px}
.rs-book{display:block;transition:transform .2s ease}
.rs-book:hover{transform:translateY(-6px)}
.rs-book .rscover{margin-bottom:12px;transition:box-shadow .25s}
.rs-book:hover .rscover{box-shadow:var(--shadow-lg)}
.rs-book__title{font-family:var(--serif);font-weight:600;font-size:1rem;line-height:1.2}
.rs-book__author{font-size:.82rem;color:var(--ink-faint);margin-top:2px}
.rs-book__units{font-size:.75rem;color:var(--accent);font-weight:600;margin-top:4px}
.rs-book__rating{font-size:.8rem;color:var(--gold);font-weight:600;margin-top:3px}
.rs-book__rating strong{color:var(--ink)}
.rs-book__rating span{color:var(--ink-faint);font-weight:400}

.rs-toolbar{display:flex;gap:14px;align-items:center;justify-content:space-between;margin-bottom:30px;flex-wrap:wrap}
.rs-search{display:flex;gap:8px;flex:1;min-width:240px}
.rs-search input{flex:1;padding:.7rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--card);font:inherit;color:var(--ink)}
.rs-search input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,125,91,.14)}
.rs-sort select{padding:.7rem 1rem;border:1px solid var(--line);border-radius:999px;background:var(--card);font:inherit}

.rs-empty{text-align:center;padding:72px 24px;color:var(--ink-faint)}
.rs-empty .mk{font-size:3rem}

.rs-footer{background:var(--ink);color:#c7cdbf;margin-top:40px}
.rs-footer__inner{display:flex;justify-content:space-between;gap:40px;padding:48px 0 28px;flex-wrap:wrap}
.rs-footer p{max-width:34ch;font-size:.92rem;margin:10px 0 0}
.rs-footer__links{display:flex;flex-direction:column;gap:8px}
.rs-footer__links a{color:#aeb5a4;font-size:.92rem}
.rs-footer__links a:hover{color:#fff}
.rs-footer__legal{border-top:1px solid rgba(255,255,255,.1);padding:18px 24px;font-size:.82rem;color:#7d8473}

/* setup screen */
.rs-setup-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(700px 380px at 50% 0%,rgba(47,125,91,.12),transparent 60%)}
.rs-setup-card{width:100%;max-width:480px;background:var(--card);border:1px solid var(--line);border-radius:20px;padding:36px;box-shadow:var(--shadow-lg)}
.rs-field{margin-bottom:16px}
.rs-field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:6px;color:var(--ink-soft)}
.rs-field input{width:100%;padding:.75rem .9rem;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;color:var(--ink)}
.rs-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(47,125,91,.14)}
.rs-flash{background:#fbecea;color:#922;border:1px solid #f1cdc8;border-radius:10px;padding:12px 14px;margin-bottom:16px;font-size:.92rem}

@media(max-width:980px){
  .rs-stats{grid-template-columns:repeat(2,1fr)}
  .rs-grid{grid-template-columns:repeat(4,1fr)}
  .rs-spotlight{grid-template-columns:1fr;text-align:center;gap:24px}
  .rs-spotlight__cover .rscover{transform:none}
  .rs-periods{grid-template-columns:1fr}
}
@media(max-width:620px){
  .rs-nav{display:none}
  .rs-grid{grid-template-columns:repeat(2,1fr);gap:20px 14px}
  .rs-footer__inner{flex-direction:column;gap:20px}
}