:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-sidebar: #ffffff;
  --border: #e2e8f0;
  --border-strong: #cbd5e1;
  --text-main: #0f172a;
  --text-meta: #64748b;
  --text-muted: #94a3b8;
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-bg: #eef2ff;
  --accent-bg-hover: #e0e7ff;
  --success: #10b981;
  --success-bg: #ecfdf5;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --warning: #eab308;
  --warning-bg: #fefce8;
  --info: #2563eb;
  --info-bg: #eff6ff;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  margin: 0;
  padding: 0;
  background: var(--bg-page);
  color: var(--text-main);
  font-size: 14px;
  line-height: 1.6;
  display: flex;
  min-height: 100vh;
}

.mono {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Sidebar ---- */

.sidebar {
  width: 200px;
  flex-shrink: 0;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  padding: 20px 12px;
  display: flex;
  flex-direction: column;
}

.sidebar .brand {
  padding: 0 8px 8px;
}

.sidebar .brand a {
  color: var(--text-main);
  font-weight: 700;
  font-size: 18px;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.side-nav {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-nav-link {
  display: block;
  padding: 8px 12px;
  color: var(--text-meta);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.12s, color 0.12s;
}

.side-nav-link:hover {
  color: var(--text-main);
  background: #f1f5f9;
  text-decoration: none;
}

.side-nav-link.active {
  color: var(--accent);
  background: var(--accent-bg);
}

.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.sidebar-footer a {
  display: block;
  padding: 8px 12px;
  color: var(--text-meta);
  text-decoration: none;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

.sidebar-footer a:hover {
  color: var(--text-main);
  background: #f1f5f9;
  text-decoration: none;
}

/* ---- Main content ---- */

.main-content {
  flex: 1;
  padding: 20px 24px;
  overflow-x: auto;
  min-width: 0;
}

.page-header {
  margin-bottom: 16px;
}

.page-header-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.page-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

h1 {
  margin: 0 0 4px 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  word-break: break-all;
}

h2 {
  font-size: 16px;
  margin-top: 24px;
  font-weight: 600;
}

h3 {
  font-size: 14px;
  margin-top: 0;
  font-weight: 600;
}

.meta {
  color: var(--text-meta);
  font-size: 13px;
  margin: 0;
}

/* ---- Cards ---- */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
}

/* ---- Buttons ---- */

button, .btn-primary, .btn-secondary {
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-primary:disabled {
  background: #a5b4fc;
  cursor: not-allowed;
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-strong);
}

.btn-secondary:hover { background: #f8fafc; border-color: #94a3b8; }

.btn-secondary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ---- Coin list table ---- */

.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

table.coins {
  width: 100%;
  border-collapse: collapse;
}

table.coins th, table.coins td {
  padding: 8px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.coins tbody tr:last-child td { border-bottom: none; }

table.coins th {
  background: #f8fafc;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-meta);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.coins tbody tr:hover { background: var(--accent-bg); }

table.coins a { color: var(--accent); text-decoration: none; }
table.coins a:hover { text-decoration: underline; }

.narrative-preview {
  color: var(--text-meta);
  max-width: 420px;
}

/* ---- Pagination ---- */

.pagination {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
  margin: 20px 0 8px;
  flex-wrap: wrap;
}

.page-btn {
  display: inline-block;
  min-width: 32px;
  padding: 6px 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 13px;
  text-align: center;
  text-decoration: none;
  transition: background 0.12s, border-color 0.12s;
}

.page-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent);
  color: var(--accent);
  text-decoration: none;
}

.page-btn.current {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
  cursor: default;
}

.page-btn.current:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.page-btn.disabled {
  color: var(--text-muted);
  background: var(--bg-card);
  cursor: not-allowed;
}

.page-btn.disabled:hover {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-muted);
}

.page-ellipsis {
  padding: 6px 4px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ---- Coin detail ---- */

section.narrative {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  margin-top: 16px;
}

section.narrative p {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.8;
}

dl.meta {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 16px 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
  margin: 16px 0;
  color: var(--text-main);
  font-size: 14px;
}

dl.meta dt {
  color: var(--text-meta);
  font-weight: 500;
}

dl.meta dd {
  margin: 0;
  word-break: break-all;
}

.empty {
  color: var(--text-muted);
  padding: 24px 0;
  text-align: center;
}

code {
  background: #f1f5f9;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  word-break: break-all;
}

/* ---- Auto-mode status (inside card) ---- */

#auto-mode-status p {
  margin: 0 0 8px 0;
}

.mode-label { font-size: 15px; }
.mode-on { color: var(--success); font-weight: 600; }
.mode-off { color: var(--text-muted); }

#auto-mode-status form {
  display: inline;
  margin-left: 12px;
}

#auto-mode-status form button {
  background: var(--accent);
  color: white;
  padding: 5px 14px;
  font-size: 13px;
}

#auto-mode-status form button:hover { background: var(--accent-hover); }

/* ---- Login page (body without sidebar) ---- */

body.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: #0f172a;
}

.login-box {
  background: white;
  padding: 40px;
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  width: 340px;
  text-align: center;
}

.login-box h1 { margin-bottom: 24px; }

.login-box form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-box input {
  padding: 10px 12px;
  font-size: 14px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.12s;
}

.login-box input:focus { border-color: var(--accent); }

.login-box button {
  padding: 10px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  cursor: pointer;
}

.login-box button:hover { background: var(--accent-hover); }

.login-box .error {
  color: var(--danger);
  background: var(--danger-bg);
  padding: 8px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 13px;
}

/* ---- Dialog (analyze modal) ---- */

dialog {
  border: none;
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.2);
  min-width: 420px;
  max-width: 600px;
  background: white;
}

dialog::backdrop {
  background: rgba(15, 23, 42, 0.4);
}

dialog h3 { margin-top: 0; margin-bottom: 16px; font-size: 16px; }

/* ---- Form rows (used in modal) ---- */

.form-row {
  margin-bottom: 12px;
}

.form-row label {
  display: block;
  margin-bottom: 4px;
  color: var(--text-main);
  font-size: 13px;
  font-weight: 500;
}

.form-row input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 14px;
  outline: none;
  font-family: inherit;
  transition: border-color 0.12s;
}

.form-row input:focus { border-color: var(--accent); }

.required { color: var(--danger); }
.optional { color: var(--text-muted); font-size: 12px; }

.form-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}

/* ---- HTMX indicator ---- */

.htmx-indicator {
  display: none;
  color: var(--text-meta);
  font-size: 13px;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
  display: inline;
}

/* ---- Result boxes (analyze / discover) ---- */

.result {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
}

.result.success {
  background: var(--success-bg);
  border-left: 3px solid var(--success);
}

.result.error {
  background: var(--danger-bg);
  border-left: 3px solid var(--danger);
}

.result.warning {
  background: var(--warning-bg);
  border-left: 3px solid var(--warning);
}

.result.progress {
  background: var(--info-bg);
  border-left: 3px solid var(--info);
}

.result p { margin: 0 0 8px 0; }

.result blockquote {
  margin: 0;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 4px;
  color: var(--text-main);
  font-size: 13px;
  line-height: 1.6;
}

.result a { color: var(--accent); }

/* ---- Discover tags ---- */

.discover-list {
  margin: 8px 0 0 0;
  padding-left: 0;
  list-style: none;
}

.discover-list li {
  padding: 4px 0;
  font-size: 13px;
}

.tag {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 11px;
  margin-right: 6px;
  font-weight: 500;
}

.tag-cached { background: #dbeafe; color: #1e40af; }
.tag-new { background: #d1fae5; color: #065f46; }
.tag-error { background: var(--danger-bg); color: #991b1b; }

.error-msg {
  color: #991b1b;
  font-size: 12px;
  margin-left: 6px;
}

/* ---- Responsive ---- */

/* 中屏以下：sidebar 窄化、padding 再压 */
@media (max-width: 1200px) {
  .sidebar { width: 180px; padding: 16px 10px; }
  .main-content { padding: 16px 20px; }
  table.coins th, table.coins td { padding: 7px 10px; }
  .narrative-preview { max-width: 280px; }
}

/* 小屏（平板 / 小笔记本）：sidebar 改顶部横栏 */
@media (max-width: 768px) {
  body { flex-direction: column; min-height: 100vh; }

  .sidebar {
    width: 100%;
    flex-direction: row;
    align-items: center;
    padding: 10px 16px;
    border-right: none;
    border-bottom: 1px solid var(--border);
    gap: 12px;
  }

  .sidebar .brand { padding: 0; margin-right: 8px; }
  .sidebar .brand a { font-size: 16px; }

  .side-nav {
    margin-top: 0;
    flex-direction: row;
    flex: 1;
    gap: 4px;
  }

  .side-nav-link { padding: 6px 10px; font-size: 13px; }

  .sidebar-footer {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
    margin-left: auto;
  }

  .sidebar-footer a { padding: 6px 10px; }

  .main-content { padding: 14px 14px; }

  h1 { font-size: 18px; }

  .page-header-top { gap: 10px; }
  .page-actions { width: 100%; }

  table.coins th, table.coins td {
    padding: 6px 8px;
    font-size: 13px;
  }

  /* 小屏时叙事列截断更狠，合约缩写 */
  .narrative-preview { max-width: 180px; }

  dialog { min-width: auto; width: calc(100% - 32px); max-width: 500px; }
}

/* 超小屏（手机）：再压一次 */
@media (max-width: 480px) {
  .sidebar .brand a { font-size: 14px; }
  .side-nav-link { padding: 5px 8px; font-size: 12px; }
  .main-content { padding: 12px 10px; }
  .page-actions .btn-primary, .page-actions .btn-secondary {
    padding: 7px 10px;
    font-size: 13px;
  }
}

/* 大屏：内容最大宽度，避免表格列被拉太长 */
@media (min-width: 1600px) {
  .main-content > * {
    max-width: 1400px;
  }
}