/* Drona Free Books — public site and admin styles (mobile-first)
   v1.2.0 · 2026-10-26 — colours come only from tokens.css */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.7 var(--font);
}
a { color: var(--navy-2); }
img { max-width: 100%; display: block; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* Header — white, like dronapublication.com */
.top { background: var(--surface); color: var(--navy); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--navy); text-decoration: none; min-width: 0; }
.brand img { width: 59px; height: 40px; flex: none; }
.brand-name { font-weight: 800; font-size: 17px; line-height: 1.2; color: var(--navy); }
.brand-name small { display: block; font-weight: 600; color: var(--ink-3); font-size: 13px; }
.lang {
  color: var(--navy); text-decoration: none; border: 1.5px solid var(--line-2); background: var(--surface);
  border-radius: 999px; padding: 6px 14px; font: 600 14px/1.3 var(--font); min-height: 40px;
  display: inline-flex; align-items: center; cursor: pointer; white-space: nowrap;
}
.lang:hover { border-color: var(--navy); }

/* Hero */
.hero { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); color: var(--on-dark); padding: 26px 0 46px; }
.hero h1 { margin: 0 0 6px; font-size: clamp(24px, 6vw, 36px); line-height: 1.3; }
.hero p { margin: 0; color: var(--on-dark-2); max-width: 640px; }
.hero .how { margin-top: 14px; display: inline-flex; gap: 8px; align-items: center; background: var(--glass);
  border-radius: 999px; padding: 6px 14px; font-size: 14px; color: var(--on-dark); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); flex: none; }

/* Shelf */
.shelf { margin-top: -26px; padding-bottom: 40px; }
.shelf h2 { font-size: 18px; margin: 0 0 12px; color: var(--on-dark); }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr)); }
.card {
  background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: flex; flex-direction: column; text-decoration: none; color: var(--ink);
  border: 1px solid var(--line);
}
.cover { aspect-ratio: 3 / 4; background: var(--navy); position: relative; overflow: hidden; }
.cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-plain {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end;
  padding: 18px; color: var(--on-dark);
  background: radial-gradient(120% 80% at 100% 0%, var(--navy-2) 0%, var(--navy) 60%, var(--navy-ink) 100%);
}
.cover-plain::before { content: ""; position: absolute; top: 18px; left: 18px; width: 44px; height: 6px; background: var(--orange); border-radius: 3px; }
.cover-plain b { font-size: 22px; line-height: 1.3; }
.cover-plain span { color: var(--gold); font-size: 13px; font-weight: 700; letter-spacing: .08em; margin-top: 6px; }
.ribbon {
  position: absolute; top: 12px; right: 12px; background: var(--orange); color: var(--on-dark);
  font-weight: 800; font-size: 12px; letter-spacing: .08em; padding: 4px 10px; border-radius: 999px;
}
.card-body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card-body h3 { margin: 0; font-size: 17px; line-height: 1.45; }
.meta { color: var(--ink-3); font-size: 13px; display: flex; flex-wrap: wrap; gap: 4px 12px; }
.tag { display: inline-block; background: var(--gold-soft); color: var(--orange-ink); border-radius: 6px; padding: 0 8px; font-size: 12px; font-weight: 700; }
.card .btn { margin-top: auto; }
.empty { background: var(--surface); border-radius: var(--radius); padding: 28px; text-align: center; color: var(--ink-2); box-shadow: var(--shadow); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--tap); padding: 10px 18px; border-radius: var(--radius-sm);
  background: var(--orange); color: var(--on-dark); font: 700 16px/1.3 var(--font);
  border: 0; cursor: pointer; text-decoration: none; width: 100%;
}
.btn:hover { background: var(--orange-ink); }
.btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, .chip input:focus-visible + span { outline: none; box-shadow: var(--focus); }
.btn-navy { background: var(--navy); }
.btn-navy:hover { background: var(--navy-ink); }
.btn-ghost { background: transparent; color: var(--navy); border: 1.5px solid var(--line-2); }
.btn-ghost:hover { background: var(--bg); }
.btn-wa { background: var(--green); }
.btn-wa:hover { background: var(--navy-ink); }
.btn-sm { min-height: 40px; padding: 6px 14px; font-size: 14px; width: auto; }

/* Book page */
.book { display: grid; gap: 20px; margin-top: -26px; padding-bottom: 40px; }
@media (min-width: 820px) { .book { grid-template-columns: 300px 1fr; align-items: start; } }
.book-side { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; border: 1px solid var(--line); }
.book-side .card-body p { margin: 0; color: var(--ink-2); font-size: 15px; }
.panel { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 18px; border: 1px solid var(--line); }
.panel h2 { margin: 0 0 4px; font-size: 21px; color: var(--navy); }
.panel .lead { margin: 0 0 18px; color: var(--ink-2); font-size: 15px; }
.back { display: inline-block; margin: 14px 0 0; color: var(--on-dark-2); text-decoration: none; font-size: 14px; }

/* Form */
fieldset { border: 0; padding: 0; margin: 0 0 16px; }
legend, label.lbl { display: block; font-weight: 700; font-size: 15px; margin: 0 0 6px; color: var(--ink); }
.field { margin-bottom: 14px; }
.row2 { display: grid; gap: 0 14px; }
@media (min-width: 560px) { .row2 { grid-template-columns: 1fr 1fr; } }
input[type=text], input[type=tel], input[type=email], input[type=password], input[type=number], input[type=date], select, textarea {
  width: 100%; min-height: var(--tap); padding: 10px 12px; font: 16px/1.5 var(--font); color: var(--ink);
  border: 1.5px solid var(--line-2); border-radius: var(--radius-sm); background: var(--surface);
}
textarea { min-height: 110px; }
.has-error input, .has-error select, .has-error .chips { border-color: var(--red); }
.err { color: var(--red); font-size: 14px; margin-top: 4px; }
.alert { padding: 12px 14px; border-radius: var(--radius-sm); margin-bottom: 16px; font-size: 15px; }
.alert-err { background: var(--red-soft); color: var(--red); }
.alert-ok { background: var(--green-soft); color: var(--green); }
.alert-info { background: var(--gold-soft); color: var(--orange-ink); }

.types { display: grid; gap: 10px; }
@media (min-width: 560px) { .types { grid-template-columns: repeat(3, 1fr); } }
.type-opt { position: relative; }
.type-opt input { position: absolute; opacity: 0; }
.type-opt span {
  display: flex; align-items: center; min-height: 56px; padding: 10px 14px; border-radius: var(--radius-sm);
  border: 1.5px solid var(--line-2); font-weight: 600; cursor: pointer; line-height: 1.4; background: var(--surface);
}
.type-opt input:checked + span { border-color: var(--orange); background: var(--gold-soft); color: var(--navy); box-shadow: inset 0 0 0 1px var(--orange); }
.type-opt input:focus-visible + span { box-shadow: var(--focus); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; border: 1.5px solid transparent; border-radius: var(--radius-sm); }
.chip { position: relative; }
.chip input { position: absolute; opacity: 0; }
.chip span {
  display: inline-flex; align-items: center; min-height: 44px; padding: 6px 14px; border-radius: 999px;
  border: 1.5px solid var(--line-2); cursor: pointer; font-size: 15px; background: var(--surface);
}
.chip input:checked + span { background: var(--navy); border-color: var(--navy); color: var(--on-dark); }

.check { display: flex; gap: 12px; align-items: flex-start; padding: 12px; border-radius: var(--radius-sm); background: var(--bg); cursor: pointer; }
.check input { width: 22px; height: 22px; margin-top: 3px; flex: none; accent-color: var(--orange); }
.fine { color: var(--ink-3); font-size: 13px; margin: 10px 0 0; text-align: center; }
.part[hidden] { display: none; }

/* Done page */
.done { text-align: center; }
.done .tick { width: 64px; height: 64px; border-radius: 50%; background: var(--green-soft); color: var(--green); display: grid; place-items: center; margin: 0 auto 10px; font-size: 32px; font-weight: 800; }
.stack { display: grid; gap: 10px; margin-top: 18px; }

/* Footer — navy with the white lockup and Drona's contact details */
.foot { background: var(--navy); color: var(--on-dark-2); margin-top: 24px; font-size: 14px; }
.foot-grid { display: grid; gap: 22px; padding-top: 28px; padding-bottom: 18px; }
@media (min-width: 720px) { .foot-grid { grid-template-columns: 1.3fr 1fr 1fr; } }
.foot-logo { width: 104px; height: auto; margin-bottom: 10px; }
.foot h3 { color: var(--on-dark); font-size: 15px; margin: 0 0 8px; }
.foot p { margin: 0; }
.foot a { color: var(--on-dark); }
.foot-links { display: grid; gap: 6px; }
.foot-links a { display: inline-flex; align-items: center; min-height: 32px; text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }
.foot-base { border-top: 1px solid var(--glass-line); padding-top: 14px; padding-bottom: 24px; color: var(--on-dark-2); font-size: 13px; }

/* ---------- Admin ---------- */
.adm .top .wrap { min-height: 60px; }
.adm-nav { background: var(--navy-ink); overflow-x: auto; }
.adm-nav .wrap { display: flex; gap: 4px; }
.adm-nav a { color: var(--on-dark-2); text-decoration: none; padding: 12px 12px; white-space: nowrap; font-size: 15px; min-height: 44px; display: inline-flex; align-items: center; border-bottom: 3px solid transparent; }
.adm-nav a.on { color: var(--on-dark); border-bottom-color: var(--orange); }
.adm main { padding: 18px 0 40px; }
.adm h1 { font-size: 22px; margin: 0 0 14px; color: var(--navy); }
.adm h2 { font-size: 17px; margin: 0 0 10px; color: var(--navy); }
.stats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-bottom: 16px; }
.stat { background: var(--surface); border-radius: var(--radius-sm); padding: 14px; border: 1px solid var(--line); }
.stat b { display: block; font-size: 26px; color: var(--navy); line-height: 1.2; }
.stat span { color: var(--ink-3); font-size: 13px; }
.cols { display: grid; gap: 16px; }
@media (min-width: 820px) { .cols { grid-template-columns: 1fr 1fr; } }
.tbl-wrap { overflow-x: auto; background: var(--surface); border-radius: var(--radius-sm); border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg); color: var(--ink-2); font-weight: 700; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td a { font-weight: 600; }
.pill { display: inline-block; padding: 1px 9px; border-radius: 999px; font-size: 12px; font-weight: 700; background: var(--bg); color: var(--ink-2); white-space: nowrap; }
.pill-new { background: var(--gold-soft); color: var(--orange-ink); }
.pill-interested, .pill-bulk_buyer, .pill-on { background: var(--green-soft); color: var(--green); }
.pill-not_interested, .pill-off { background: var(--red-soft); color: var(--red); }
.filters { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-bottom: 12px; }
.filters .btn { width: 100%; }
.toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 14px; align-items: center; color: var(--ink-3); font-size: 14px; }
.bar { height: 8px; border-radius: 4px; background: var(--orange); }
.bars td { padding: 6px 12px; }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; font-size: 15px; margin: 0; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; word-break: break-word; }
.thumb { width: 54px; aspect-ratio: 3/4; object-fit: cover; border-radius: 6px; background: var(--navy); }
.login { max-width: 380px; margin: 48px auto; }
.muted { color: var(--ink-3); font-size: 14px; }
.inline-form { display: inline; }

/* Phone: compact book summary so the form starts near the top */
@media (max-width: 819px) {
  .book-side { display: grid; grid-template-columns: 96px 1fr; align-items: start; }
  .book-side .cover { margin: 12px 0 12px 12px; border-radius: 8px; }
  .book-side .ribbon { display: none; }
  .book-side .cover-plain b { font-size: 12px; }
  .book-side .cover-plain::before { width: 20px; height: 4px; top: 8px; left: 8px; }
  .book-side .cover-plain { padding: 8px; }
  .book-side .cover-plain span { font-size: 9px; }
  .book-side .card-body p { font-size: 14px; display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
}