@import url('https://fonts.googleapis.com/css2?family=Jost:wght@300;400;500&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Variables ── */
:root {
  --ink:    #1a1008;
  --paper:  #f5f0e8;
  --cream:  #ede6d6;
  --sienna: #8b3a1c;
  --gold:   #c4882a;
  --muted:  #7a6a55;
  --rule:   #c8b89a;
}

/* ── Base ── */
html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Jost', sans-serif;
  font-size: 1.05rem;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Grain overlay (index page) */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 999;
}

/* All links */
a, a:visited, a:hover, a:active {
  color: var(--ink);
  text-decoration: none;
}

/* ── Layout ── */
.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.top-rule {
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--sienna) 0%, var(--gold) 50%, var(--sienna) 100%);
}

/* ── Nav (my_books) ── */
.tr-nav {
  border-bottom: 1px solid var(--rule);
  padding: .9rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--paper);
}
.tr-logo {
  font-family: 'DM Mono', monospace;
/*  font-size: .75rem;
  letter-spacing: .2em;*/
  font-size: 1rem;
  letter-spacing:.15em;
  text-transform: uppercase;
  color: var(--sienna);
  text-decoration: none;
}
.tr-nav-right { display: flex; align-items: center; gap: 1.2rem; }
.tr-nav-user  { font-size: 1rem; color: var(--muted); font-style: italic; }
.tr-signout {
  font-family: 'DM Mono', monospace;
  font-size: .8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.tr-signout:hover { color: var(--ink); }

.tr-nav-link {
  font-family: 'DM Mono', monospace;
  /*font-size: .62rem;*/
  font-size: 0.8rem;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.tr-nav-link:hover { color: var(--ink); }

/* ── Nav (index) ── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--rule);
}
.logo {
  font-family: 'DM Mono', monospace;
  font-weight: 300;
  /*font-size: 0.78rem;*/
  font-size: 2rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sienna);
}
.nav-note {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}
.nav-actions { display: flex; align-items: center; gap: 1.5rem; }
.nav-signin {
  font-family: 'DM Mono', monospace;
  /*font-size: 0.65rem;*/
  font-size:0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
}
.nav-signin:hover { color: var(--ink); }
.nav-signup {
  font-family: 'DM Mono', monospace;
  /*font-size: 0.65rem;*/
  font-size:0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #fff;
  background: var(--sienna);
  padding: 0.45rem 1.1rem;
  text-decoration: none;
  transition: background 0.2s;
}
.nav-signup:hover { background: var(--ink); }

.book-cover:hover {
    transform: scale(3);
    z-index: 200;
    position: relative;
}

tr:has(.book-cover:hover) {
    position: relative;
    z-index: 200;
}

.cover-wrapper {
    position: relative;
    display: inline-block;
}

.jacket-flag-hint {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1rem;
    font-family: DM Mono, monospace;
    color: white;
    background: rgba(0,0,0,0.85);
    letter-spacing: .05em;
    pointer-events: none;
    white-space: nowrap;
    padding: .5rem 1.2rem;
    border-radius: 3px;
    display: none;
    z-index: 500;
}

/* ── Tabs ── */
.tr-tabs {
  border-bottom: 1px solid var(--rule);
  padding: 0 1.5rem;
  display: flex;
  gap: 0;
  background: var(--paper);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  mask-image: linear-gradient(to right, black calc(100% - 5rem), transparent 100%);
  -webkit-mask-image: linear-gradient(to right, black calc(100% - 5rem), transparent 100%);
}
.tr-tabs::-webkit-scrollbar { display: none; }
.tr-tab {
  font-family: 'DM Mono', monospace;
  /*font-size: .62rem;*/
  letter-spacing: .15em;
  font-size: .8rem;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  padding: .6rem 1.2rem;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  flex-shrink: 0;
}
.tr-tab:hover { color: var(--ink); }
.tr-tab.active {
  color: var(--sienna);
  border-bottom: 2px solid var(--sienna);
}
.hero {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 3rem;
  align-items: start;
}


.spine-stack {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

/* ── Section headings ── */
.section-heading {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  color: var(--sienna);
  border-bottom: 1px solid var(--rule);
  padding-bottom: .25rem;
  margin-bottom: .5rem;
}

/* ── Table ── */
.table { font-size: 1rem; }
.table td { vertical-align: middle; }
.table tr, .table td { vertical-align: top !important; }

/* ── Icons ── */
.fa-solid, .fa-regular, .fas, .far { color: var(--ink); }

/* ── Forms ── */
#mybooksselectwarning { font-family: 'DM Mono', monospace; font-size: .75rem; letter-spacing: .08em; }
.form-control:focus { border-color: var(--sienna); box-shadow: 0 0 0 .15rem rgba(139,58,28,.15); }
.form-floating label { color: var(--muted); }
input[type="radio"], input[type="checkbox"] { accent-color: var(--sienna); }
.form-check-input:checked { background-color: var(--sienna); border-color: var(--sienna); }
.form-check-input:focus { border-color: var(--sienna); box-shadow: 0 0 0 .15rem rgba(139,58,28,.15); }

/* ── Share-tag accordion ── */
#shareTagsAcc .accordion-button { background: var(--paper) !important; color: var(--ink) !important; }
#shareTagsAcc .accordion-button:not(.collapsed) { background: var(--paper) !important; color: var(--sienna) !important; }
#shareTagsAcc .accordion-button::after { filter: invert(30%) sepia(40%) saturate(600%) hue-rotate(340deg); }
#shareTagsAcc .accordion-item { background: transparent; border-color: var(--rule); }

/* ── Add button ── */
#addbtn {
  background: var(--sienna);
  border: none;
  font-family: 'DM Mono', monospace;
  font-size: .7rem;
  letter-spacing: .15em;
  text-transform: uppercase;
}
#addbtn:hover { background: var(--ink); }

/* ── Book covers ── */
@keyframes bookicons-fade { from { opacity: 0; } to { opacity: 1; } }
.bookicons-anim { animation: bookicons-fade .25s ease; }

.book-cover {
  width: 40px;
  height: auto;
  border-radius: 2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  cursor: pointer;
  overflow: visible !important;
}

/* ── Hero ── */
.hero { padding: 2rem 0 0.5rem; }
.hero-text { max-width: 560px; }

.eyebrow {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.4rem;
  animation: fadeUp 0.6s ease both;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.01em;
  animation: fadeUp 0.6s 0.1s ease both;
}
h1 em { font-style: italic; color: var(--sienna); }

.hero-sub {
  margin-top: 2rem;
  font-size: 1.5rem;
  font-weight: 300;
  line-height: 1.7;
  color: var(--muted);
  max-width: 420px;
  animation: fadeUp 0.6s 0.2s ease both;
}

.cta-row {
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fadeUp 0.6s 0.3s ease both;
}

.btn-notify {
  display: inline-block;
  padding: 0.75rem 2rem;
  background: var(--sienna);
  color: #fff;
  font-family: 'DM Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-notify:hover { background: var(--ink); transform: translateY(-1px); }

.cta-hint {
  font-size: 0.95rem;
  color: var(--muted);
  font-style: italic;
  line-height: 2;
  margin-left: 4rem;
}

/* ── Spine decoration ── */
.spine-stack {
  animation: fadeUp 0.8s 0.4s ease both;
  opacity: 0.85;
}
.spine {
  width: 28px;
  border-radius: 2px 2px 0 0;
  position: relative;
  overflow: hidden;
}
.spine::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,0.15) 0%, transparent 40%, rgba(255,255,255,0.08) 100%);
}

/* ── Ornament ── */
.ornament {
  text-align: center;
  color: var(--rule);
  font-size: 1.2rem;
  letter-spacing: 0.5em;
  margin: 1rem 0;
}

/* ── Features ── */
.features {
  padding: 4rem 0;
  border-top: 1px solid var(--rule);
}

.feature-label {
  font-family: 'DM Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.feature h3 {
  font-size: 1.45rem;
  font-weight: 400;
  line-height: 1.2;
  margin-bottom: 0.6rem;
}
.feature h3 em { font-style: italic; color: var(--sienna); }
.feature p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--muted);
  font-weight: 300;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--rule);
  padding: 2rem 0 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'DM Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}
.footer-note {
  font-size: 0.85rem;
  color: var(--rule);
  font-style: italic;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Responsive ── */
@media (max-width: 680px) {
  .hero { grid-template-columns: 1fr; }
  .spine-stack { display: none; }
  .features { grid-template-columns: 1fr; gap: 2rem; }
  footer { flex-direction: column; gap: 1rem; text-align: center; }
}

.welcome-hint {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #fdf6ee;
  border-left: 3px solid #8b3a1c;
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 0 4px 4px 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: #4a3a28;
}
.welcome-hint-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

/* ─