:root{
  --bg:#f4ebdd; --bg-warm:#f9f2e6; --card:#fbf5ea;
  --ink:#2c2017; --ink-soft:#6f5d4d;
  --accent:#8a7256; --accent-deep:#5e4a36;
  --line:rgba(70,45,25,0.14);
  --shadow:0 16px 40px rgba(80,50,25,0.12); --shadow-sm:0 8px 22px rgba(80,50,25,0.10);
}
/* each shelf keeps its path's color */
.theme-stoicism      { --accent:#6f7a3a; --accent-deep:#515a26; }
.theme-psychology    { --accent:#8a4f6a; --accent-deep:#683a50; }
.theme-spirituality  { --accent:#5b8fb0; --accent-deep:#3f6f8e; }
.theme-existentialism{ --accent:#4a8a86; --accent-deep:#356b67; }
.theme-religious     { --accent:#b88a2e; --accent-deep:#8a6618; }
.theme-science       { --accent:#3d5a80; --accent-deep:#284156; }
.theme-body          { --accent:#b0653c; --accent-deep:#84492a; }
.theme-found         { --accent:#9c6b30; --accent-deep:#6f4a1e; }

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;}

nav{padding:1.5rem 2.5rem;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;}
.logo{font-family:'Cormorant Garamond',serif;font-size:1.5rem;font-weight:600;letter-spacing:-.02em;text-decoration:none;color:var(--ink);}
.nav-center{display:flex;gap:2.5rem;font-size:.95rem;font-weight:500;}
.nav-center a{color:var(--ink);text-decoration:none;opacity:.7;}
.nav-center a:hover{opacity:1;}
.nav-right{justify-self:end;}

.dhead{max-width:1160px;margin:0 auto;padding:2.4rem 3rem 1rem;}
.eyebrow{font-weight:600;font-size:.82rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:.8rem;margin-bottom:.9rem;}
.eyebrow::before{content:'';width:38px;height:2px;background:var(--accent);}
.dhead h1{font-family:'Cormorant Garamond',serif;font-weight:700;font-size:clamp(2.8rem,5vw,4.2rem);line-height:1;letter-spacing:-.02em;}
.dsub{font-family:'Cormorant Garamond',serif;font-weight:500;font-size:clamp(1.15rem,1.8vw,1.45rem);color:var(--accent-deep);margin-top:.6rem;max-width:52ch;}
.dsearch{margin-top:1.6rem;width:min(420px,100%);border:1px solid var(--line);background:var(--card);border-radius:999px;padding:.75rem 1.4rem;font-family:'Inter',sans-serif;font-size:.95rem;color:var(--ink);box-shadow:var(--shadow-sm);outline:none;}
.dsearch:focus{border-color:var(--accent);}

.dwrap{max-width:1160px;margin:0 auto;padding:1.4rem 3rem 4rem;}
.dsec{margin-bottom:2.6rem;}
.section-tag{font-weight:600;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:.8rem;margin:0 0 1.1rem;}
.section-tag::before{content:'';width:38px;height:2px;background:var(--accent);}
.section-tag .count{font-family:'Cormorant Garamond',serif;font-size:1rem;color:var(--ink-soft);letter-spacing:0;}

.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:.9rem;}
.pcard{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s cubic-bezier(.2,.8,.2,1),box-shadow .3s ease,border-color .3s ease;}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--accent);}
.thumb{display:block;aspect-ratio:1/1;background:linear-gradient(165deg, color-mix(in srgb, var(--accent) 14%, var(--card)), color-mix(in srgb, var(--accent) 3%, var(--card)));overflow:hidden;}
.thumb img{width:100%;height:100%;object-fit:cover;object-position:top center;display:block;}
.pname{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:1.12rem;line-height:1.2;padding:.7rem .9rem .75rem;text-transform:lowercase;}
.pcard.noimg{justify-content:center;min-height:96px;padding:.4rem 0;}
.pcard.noimg .pname{padding-bottom:.15rem;}
.psub{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--accent);padding:0 .9rem .8rem;}
.dempty{text-align:center;color:var(--ink-soft);font-family:'Cormorant Garamond',serif;font-size:1.3rem;padding:2rem 0;}
.pcard[hidden],.dsec[hidden]{display:none;}

footer{padding:4rem 2.5rem 3rem;margin-top:2rem;text-align:center;border-top:1px solid var(--line);}
.footer-meta{display:flex;justify-content:center;gap:2rem;font-size:.95rem;color:var(--ink-soft);}

@media(max-width:700px){
  nav{grid-template-columns:1fr auto;padding:1.25rem 1.5rem;}.nav-right{display:none;}
  .dhead{padding:1.6rem 1.5rem .8rem;}
  .dwrap{padding:1rem 1.5rem 3rem;}
  .dgrid{grid-template-columns:repeat(auto-fill,minmax(128px,1fr));gap:.7rem;}
  .pname{font-size:1rem;padding:.55rem .7rem .6rem;}
}