:root {
  --bg: #0c0c10;
  --surface: #13131a;
  --surface2: #1a1a24;
  --border: #2a2a38;
  --border2: #3a3a50;
  --text: #e8e8f0;
  --text2: #8888a8;
  --text3: #4a4a68;
  --amber: #fbbf24;
  --amber-dim: #3a2a08;
  --amber-bg: #1e1508;
  --blue: #60a5fa;
  --blue-bg: #0d1a38;
  --purple: #a78bfa;
  --purple-bg: #1e1830;
  --red: #f87171;
  --red-dim: #3a1010;
  --font-mono: 'DM Mono', monospace;
  --font-serif: 'DM Serif Display', serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
a { color: var(--amber); text-decoration: none; }

/* ── HEADER ── */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 100;
}
.site-logo { font-family: var(--font-serif); font-size: 18px; color: var(--text); letter-spacing: -0.02em; }
.site-logo span { color: var(--amber); }
.header-actions { display: flex; gap: 8px; align-items: center; }

.btn {
  background: transparent;
  border: 1px solid var(--border2);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.05em;
  display: inline-block;
}
.btn:hover { border-color: var(--amber); color: var(--amber); }
.btn-primary { background: var(--amber-bg); border-color: var(--amber); color: var(--amber); }
.btn-primary:hover { background: var(--amber); color: var(--bg); }
.btn-danger { border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red-dim); }

/* ── TOAST ── */
.toast {
  position: fixed;
  bottom: 24px; right: 24px;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 8px;
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text);
  z-index: 9999;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.red { border-color: var(--red); color: var(--red); }

/* ── LAYOUT ── */
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.main { padding: 32px 0 64px; }

/* ── HERO ── */
.hero { padding: 40px 0 32px; }
.hero-eyebrow { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text3); margin-bottom: 12px; }
.hero-title { font-family: var(--font-serif); font-size: clamp(28px, 5vw, 44px); line-height: 1.05; letter-spacing: -0.02em; color: var(--text); }
.hero-title em { color: var(--amber); font-style: italic; }

/* ── STATS ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 10px; }
.stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; }
.stat-card-num { font-family: var(--font-serif); font-size: 26px; color: var(--text); margin-bottom: 4px; }
.stat-card-label { font-size: 11px; color: var(--text3); letter-spacing: 0.1em; text-transform: uppercase; }
.stats-note { font-size: 11px; color: var(--text3); margin-bottom: 28px; line-height: 1.5; }

/* ── FILTER BAR ── */
.filter-bar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 24px; }
.phase-tabs { display: flex; gap: 6px; flex-wrap: wrap; }
.phase-tab {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 7px 14px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.05em;
}
.phase-tab:hover { border-color: var(--border2); color: var(--text); }
.phase-tab.active { border-color: var(--amber); color: var(--amber); background: var(--amber-dim); }
.sort-select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text2);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 7px 12px;
  border-radius: 6px;
  cursor: pointer;
}

/* ── BOOK GRID ── */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 20px; }
.book-card { display: flex; flex-direction: column; }
.book-cover-link { display: block; }
.book-cover {
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: 10px;
  transition: border-color 0.15s;
}
.book-cover-link:hover .book-cover { border-color: var(--amber); }
.book-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.book-cover-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 40px;
  color: var(--text3);
  background: var(--surface2);
}
.book-info { display: flex; flex-direction: column; gap: 2px; }
.book-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
  min-height: 2.6em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.book-author { font-size: 11px; color: var(--text2); }
.book-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 6px; gap: 6px; }
.book-stars { font-size: 12px; letter-spacing: 1px; }
.book-stars .star { color: var(--border2); }
.book-stars .star.filled { color: var(--amber); }
.book-tag { font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border2); color: var(--text3); }
.book-tag.fiction { border-color: var(--blue); color: var(--blue); }
.book-tag.non-fiction { border-color: var(--purple); color: var(--purple); }
.book-date { font-size: 10px; color: var(--text3); margin-top: 4px; }
.status-select {
  align-self: flex-start;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--border2);
  background: var(--surface);
  color: var(--text2);
  cursor: pointer;
  transition: border-color 0.15s;
}
.status-select:hover, .status-select:focus { border-color: var(--amber); outline: none; }

/* ── CURRENTLY READING ── */
.reading-showcase { margin-bottom: 28px; }
.reading-eyebrow { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--amber); margin-bottom: 12px; }
.reading-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }
.reading-card {
  display: flex;
  gap: 16px;
  background: var(--amber-bg);
  border: 1px solid var(--amber);
  border-radius: 12px;
  padding: 18px;
  box-shadow: 0 0 28px -10px var(--amber);
}
.reading-cover {
  width: 88px;
  flex-shrink: 0;
  aspect-ratio: 2 / 3;
  border-radius: 8px;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
}
.reading-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.reading-info { display: flex; flex-direction: column; justify-content: center; gap: 4px; min-width: 0; }
.reading-title {
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.25;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.reading-author { font-size: 12px; color: var(--text2); }

/* ── KANBAN BOARD ── */
.kanban-board { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; margin-bottom: 28px; }
.kanban-column-title {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text3);
  margin-bottom: 10px;
}
.kanban-empty { font-size: 12px; color: var(--text3); }
.kanban-card {
  display: flex;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-bottom: 10px;
}
.kanban-cover {
  width: 44px;
  flex-shrink: 0;
  aspect-ratio: 2 / 3;
  border-radius: 4px;
  overflow: hidden;
  background: var(--surface2);
  border: 1px solid var(--border);
}
.kanban-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.kanban-cover .book-cover-placeholder { font-size: 18px; }
.kanban-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.kanban-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kanban-author { font-size: 11px; color: var(--text2); }

/* ── EMPTY STATE ── */
.empty-state { text-align: center; padding: 64px 0; }
.empty-title { font-family: var(--font-serif); font-size: 22px; color: var(--text); margin-bottom: 6px; }
.empty-text { font-size: 13px; color: var(--text3); }

/* ── LOGIN MODAL ── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.modal-overlay.show { opacity: 1; pointer-events: all; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
  transform: translateY(12px);
  transition: transform 0.2s;
}
.modal-overlay.show .modal { transform: translateY(0); }
.modal-title { font-family: var(--font-serif); font-size: 22px; margin-bottom: 20px; }
.modal-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 10px 14px;
  margin-bottom: 12px;
  transition: border 0.15s;
}
.modal-input:focus { border-color: var(--amber); outline: none; }
.modal-btn {
  width: 100%;
  background: var(--amber-bg);
  border: 1px solid var(--amber);
  border-radius: 6px;
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 10px;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: 0.05em;
}
.modal-btn:hover { background: var(--amber); color: var(--bg); }
.modal-cancel { background: none; border: none; color: var(--text3); font-family: var(--font-mono); font-size: 12px; cursor: pointer; width: 100%; margin-top: 10px; padding: 6px; }
.modal-cancel:hover { color: var(--text); }

/* ── SEARCH (add flow) ── */
.search-box { margin-bottom: 24px; }
.search-row { display: flex; gap: 8px; }
.search-input { margin-bottom: 0; }
.search-results { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.search-result {
  display: flex; align-items: center; gap: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color 0.15s;
}
.search-result:hover { border-color: var(--amber); }
.search-result img { width: 36px; height: 54px; object-fit: cover; border-radius: 3px; flex-shrink: 0; }
.search-result-noimg {
  width: 36px; height: 54px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--surface2); border-radius: 3px;
  font-family: var(--font-serif); color: var(--text3); font-size: 16px;
}
.search-result-title { font-size: 13px; color: var(--text); }
.search-result-author { font-size: 11px; color: var(--text3); margin-top: 2px; }
.search-loading, .search-empty { font-size: 12px; color: var(--text3); padding: 8px 2px; }
.search-manual-btn { margin-top: 16px; }

/* ── BOOK FORM ── */
.book-form { max-width: 480px; }
.form-preview { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.form-preview img { width: 48px; height: 72px; object-fit: cover; border-radius: 4px; }
.form-preview-title { font-family: var(--font-serif); font-size: 18px; color: var(--text); }
.form-preview-author { font-size: 12px; color: var(--text3); }
.form-label { display: block; font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text3); margin: 16px 0 6px; }
.form-hint { text-transform: none; letter-spacing: 0; }
.form-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border2);
  border-radius: 6px;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 10px 14px;
  transition: border 0.15s;
}
.form-input:focus { border-color: var(--amber); outline: none; }
.form-input:read-only { color: var(--text2); }
.form-input.small { display: inline-block; width: 90px; margin-right: 8px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-col { flex: 1; min-width: 0; }
.category-toggle { display: flex; gap: 16px; font-size: 13px; color: var(--text2); }
.category-toggle label { display: flex; align-items: center; gap: 6px; cursor: pointer; }
.date-fields { display: flex; gap: 8px; }
.star-input { font-size: 24px; letter-spacing: 4px; cursor: pointer; }
.star-input .star-choice { color: var(--border2); transition: color 0.1s; }
.star-input .star-choice.filled { color: var(--amber); }
.form-actions { display: flex; gap: 10px; margin-top: 28px; }
.delete-form { max-width: 480px; margin-top: 16px; }

@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .book-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 14px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
}