/* Blacklist — Death Note–inspired original aesthetic (no copyrighted assets) */
:root {
  --ink: #1a0f0f;
  --paper: #e8dcc4;
  --paper-edge: #c4a574;
  --paper-shadow: #3d2f1f;
  --blood: #8b0000;
  --blood-bright: #c41e1e;
  --text: #2a1810;
  --text-muted: #5c4a3a;
  --bg: #0a0a0a;
  --focus: #e8a030;
  --font-display: "Cormorant Garamond", "Noto Serif TC", "Songti TC", serif;
  --font-body: "Noto Sans TC", "Helvetica Neue", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, #1a1010 0%, transparent 55%),
    radial-gradient(circle at 20% 80%, #120808 0%, transparent 40%);
}

a {
  color: var(--blood-bright);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: #ff4444;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--paper);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #2a1515;
  background: rgba(0, 0, 0, 0.85);
  position: sticky;
  top: 0;
  z-index: 50;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--paper);
  text-decoration: none;
  text-transform: uppercase;
}

.logo span {
  color: var(--blood-bright);
}

.nav-main {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: center;
}

.nav-main a {
  color: var(--paper-edge);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.25rem 0.35rem;
  border-radius: 2px;
}

.nav-main a[aria-current="page"] {
  color: var(--blood-bright);
  border-bottom: 1px solid var(--blood);
}

.lang-toggle {
  background: transparent;
  border: 1px solid var(--paper-edge);
  color: var(--paper);
  padding: 0.35rem 0.65rem;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.85rem;
  border-radius: 2px;
}

.lang-toggle:hover {
  border-color: var(--blood-bright);
  color: var(--blood-bright);
}

main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.parchment {
  background: linear-gradient(
    165deg,
    #f0e6d0 0%,
    var(--paper) 35%,
    #dcc9a8 100%
  );
  color: var(--text);
  border: 1px solid var(--paper-edge);
  box-shadow:
    0 0 0 1px #2a2018,
    0 8px 32px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
  position: relative;
  padding: 1.75rem 1.5rem;
  margin: 1rem 0;
}

.parchment::before {
  content: "";
  position: absolute;
  inset: 8px;
  border: 1px solid rgba(139, 0, 0, 0.15);
  pointer-events: none;
}

.parchment--ink-edge {
  clip-path: polygon(
    0 2%,
    3% 0,
    97% 1%,
    100% 4%,
    99% 98%,
    96% 100%,
    2% 99%,
    0 96%
  );
}

.notebook-cover {
  text-align: center;
  padding: 2.5rem 1.5rem 2rem;
  background: linear-gradient(180deg, #141010 0%, #0a0808 100%);
  border: 2px solid #2a1818;
  box-shadow:
    inset 0 0 60px rgba(139, 0, 0, 0.12),
    0 12px 40px rgba(0, 0, 0, 0.8);
  margin: 1.5rem 0;
}

.notebook-cover h1 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 0.2em;
  margin: 0 0 0.5rem;
  color: var(--paper);
  text-shadow: 0 0 24px rgba(196, 30, 30, 0.35);
}

.notebook-cover .tagline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--paper-edge);
  margin: 0 0 0.35rem;
}

.notebook-cover .tagline-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  color: #8a7a6a;
  margin: 0 0 1.5rem;
}

.cta-row {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  align-items: stretch;
  max-width: 16rem;
  margin: 0 auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  text-decoration: none;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  transition: transform 0.15s, box-shadow 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--blood);
  color: var(--paper);
  box-shadow: 0 4px 12px rgba(139, 0, 0, 0.5);
}

.btn-primary:hover {
  background: var(--blood-bright);
  color: #fff;
}

.btn-secondary {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--paper-edge);
}

.btn-secondary:hover {
  border-color: var(--blood-bright);
  color: var(--blood-bright);
}

.notice {
  font-size: 0.85rem;
  color: #9a8a7a;
  text-align: center;
  margin-top: 1.25rem;
  padding: 0 0.5rem;
}

.notice strong {
  color: var(--blood-bright);
}

h1.page-title,
h2 {
  font-family: var(--font-display);
  color: var(--paper);
  letter-spacing: 0.08em;
}

h1.page-title {
  font-size: 1.75rem;
  margin: 0 0 1rem;
  border-bottom: 1px solid #3a2020;
  padding-bottom: 0.5rem;
}

.filters {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filters label {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.filters input,
.filters select,
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--paper-edge);
  background: rgba(255, 255, 255, 0.45);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  border-radius: 2px;
}

.form-field textarea {
  min-height: 8rem;
  resize: vertical;
}

.card-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card {
  background: linear-gradient(135deg, #ebe0c8, #dcc9a8);
  border: 1px solid var(--paper-edge);
  padding: 1rem 1.1rem;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.card a.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.card a.card-link:hover h3 {
  color: var(--blood);
}

.card h3 {
  font-family: var(--font-display);
  margin: 0 0 0.35rem;
  font-size: 1.2rem;
  color: var(--ink);
}

.card-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  align-items: center;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 2px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-seed {
  background: #4a3a2a;
  color: var(--paper);
}

.badge-local {
  background: var(--blood);
  color: var(--paper);
}

.card-snippet {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tag-chip {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  margin: 0.15rem 0.25rem 0 0;
  border: 1px solid rgba(139, 0, 0, 0.35);
  color: var(--blood);
  border-radius: 2px;
}

.entry-detail .entry-name {
  font-family: var(--font-display);
  font-size: 1.65rem;
  margin: 0 0 0.75rem;
  color: var(--ink);
}

.entry-body {
  white-space: pre-wrap;
  font-size: 1rem;
  line-height: 1.75;
}

.form-field {
  margin-bottom: 1rem;
}

.form-field label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.ack-box {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  font-size: 0.85rem;
  margin: 1.25rem 0;
}

.ack-box input {
  margin-top: 0.25rem;
  flex-shrink: 0;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--blood);
}

.form-error {
  color: var(--blood-bright);
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.write-success {
  animation: inkFade 0.8s ease-out;
}

@keyframes inkFade {
  from {
    opacity: 0;
    filter: blur(4px);
  }
  to {
    opacity: 1;
    filter: blur(0);
  }
}

.prose-rules h2 {
  font-size: 1.15rem;
  color: var(--ink);
  margin: 1.25rem 0 0.5rem;
}

.prose-rules p,
.prose-rules li {
  color: var(--text);
  font-size: 0.95rem;
}

.prose-rules ul {
  padding-left: 1.25rem;
}

.site-footer {
  text-align: center;
  padding: 1.5rem 1rem;
  font-size: 0.8rem;
  color: #5a4a4a;
  border-top: 1px solid #1a1010;
}

.hidden {
  display: none !important;
}

@media (min-width: 640px) {
  .cta-row {
    flex-direction: row;
    max-width: none;
    justify-content: center;
  }

  .filters {
    flex-direction: row;
    align-items: flex-end;
  }

  .filters > div {
    flex: 1;
  }
}