/* ============================================================
   认知网关 (Cognitive Gateway) — Style Sheet
   Design spec v1.0 — csqread.top/gateway/
   ============================================================ */

/* --- Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600&family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=IBM+Plex+Mono:wght@400;500;600&family=Noto+Serif+SC:wght@400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Palette */
  --paper-bg: #F7F3EA;
  --paper-bg-raised: #FFFFFF;
  --ink: #2B2823;
  --ink-muted: #8A8377;
  --line: #E4DDD0;
  --signal-ok: #6B8F71;
  --signal-warn: #C08A4E;
  --signal-danger: #B5533C;
  --accent: #3D5A56;

  /* Shard badge colors (tinted from palette) */
  --shard-work-core: #E6EFED;
  --shard-tech-trend: #F5EDE4;
  --shard-career: #F0E8E6;
  --shard-archive: #F0EEE9;

  /* Typography */
  --font-serif: "Fraunces", "Noto Serif SC", Georgia, serif;
  --font-sans: "DM Sans", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "Cascadia Code", "SF Mono", monospace;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--paper-bg);
  color: var(--ink);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- App Container --- */
.app-container {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 20px;
}

/* --- Header / Navigation --- */
.app-header {
  padding: 28px 0 12px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.app-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.app-nav {
  display: flex;
  gap: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.app-nav::-webkit-scrollbar { display: none; }

.app-nav a {
  display: block;
  padding: 8px 16px;
  font-size: 0.875rem;
  font-family: var(--font-sans);
  color: var(--ink-muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
  cursor: pointer;
}

.app-nav a:hover { color: var(--ink); }
.app-nav a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 500;
}

/* --- Views --- */
.view { display: none; }
.view.active { display: block; }

/* --- Typography --- */
h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--ink);
}

h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--ink);
}

h4 {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --- Cards --- */
.card {
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: 0 1px 2px rgba(43,40,35,0.06);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  margin-bottom: 4px;
}

.card-meta {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

.card-actions {
  margin-top: 10px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper-bg-raised);
  color: var(--ink);
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s, color 0.12s, opacity 0.12s;
  user-select: none;
  line-height: 1;
}
.btn:hover { background: var(--paper-bg); border-color: var(--ink-muted); }
.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #4A6E6A; border-color: #4A6E6A; }

.btn-danger {
  background: var(--signal-danger);
  color: #fff;
  border-color: var(--signal-danger);
}
.btn-danger:hover { background: #C86A54; border-color: #C86A54; }

.btn-ghost {
  border-color: transparent;
  background: transparent;
  color: var(--ink-muted);
}
.btn-ghost:hover { color: var(--ink); background: var(--paper-bg); }

.btn-sm {
  padding: 5px 12px;
  font-size: 0.75rem;
}

.btn-mono {
  font-family: var(--font-mono);
}

/* --- Forms --- */
.form-group {
  margin-bottom: 12px;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--ink);
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  transition: border-color 0.12s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
}
.form-textarea { resize: vertical; min-height: 60px; }

.form-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}
.form-row > * { flex: 1; }
.form-row .btn { flex: 0 0 auto; }

/* --- Inline add form (Inbox) --- */
.add-form {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.add-form .form-input { flex: 2; min-width: 180px; }
.add-form .form-select { flex: 1; min-width: 100px; }

/* --- Quota Slot Component --- */
.quota-slots {
  display: flex;
  gap: 6px;
  align-items: center;
}
.quota-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-right: 8px;
  min-width: 40px;
}
.slot {
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--line);
  border-radius: 3px;
  transition: background 0.15s, border-color 0.15s;
}
.slot.filled {
  background: var(--signal-danger);
  border-color: var(--signal-danger);
}

.quota-summary {
  margin-bottom: 20px;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.quota-block {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quota-over-line {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(181,83,60,0.06);
  border: 1px solid rgba(181,83,60,0.2);
  border-radius: 6px;
  font-size: 0.8125rem;
  color: var(--signal-danger);
  font-family: var(--font-sans);
}

/* --- Badges --- */
.badge {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  border-radius: 4px;
  font-weight: 500;
  border: 1px solid transparent;
}

.badge-shard-work_core { background: var(--shard-work-core); color: #2D5A50; }
.badge-shard-tech_trend { background: var(--shard-tech-trend); color: #8A6D3E; }
.badge-shard-career { background: var(--shard-career); color: #7A4E48; }
.badge-shard-archive { background: var(--shard-archive); color: var(--ink-muted); }

.badge-deep {
  background: var(--accent);
  color: #fff;
  font-size: 0.625rem;
  padding: 1px 6px;
}
.badge-skim {
  background: var(--ink-muted);
  color: #fff;
  font-size: 0.625rem;
  padding: 1px 6px;
}
.badge-dropped {
  background: rgba(181,83,60,0.08);
  color: var(--signal-danger);
  font-size: 0.625rem;
  padding: 1px 6px;
}
.badge-inbox {
  background: var(--line);
  color: var(--ink-muted);
  font-size: 0.625rem;
  padding: 1px 6px;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--ink-muted);
}
.empty-state p {
  font-size: 0.875rem;
  margin-bottom: 4px;
}
.empty-state .empty-icon {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.3;
}

/* --- Dashboard Stats --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
  box-shadow: 0 1px 2px rgba(43,40,35,0.06);
}

.stat-label {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.1;
}

.stat-value.ok { color: var(--signal-ok); }
.stat-value.warn { color: var(--signal-warn); }
.stat-value.danger { color: var(--signal-danger); }

/* --- SVG Trend Chart --- */
.chart-container {
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 16px;
  margin-bottom: 24px;
}
.chart-container h4 {
  margin-bottom: 12px;
}
.chart-svg {
  width: 100%;
  height: auto;
}

/* --- Modal --- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(43,40,35,0.3);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 24px;
  max-width: 440px;
  width: 100%;
  box-shadow: 0 4px 16px rgba(43,40,35,0.12);
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.modal-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
}

/* --- Settle section --- */
.settle-section {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px 0;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.settle-info {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  font-family: var(--font-mono);
}

/* --- Shard tabs --- */
.shard-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.shard-tab {
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
  user-select: none;
}
.shard-tab:hover { color: var(--ink); }
.shard-tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 500;
}

/* --- Search box --- */
.search-input {
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--ink);
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  margin-bottom: 16px;
  outline: none;
}
.search-input:focus { border-color: var(--accent); }

/* --- Multi-select list (for Outputs) --- */
.select-list {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 4px;
}
.select-list label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  font-size: 0.8125rem;
  cursor: pointer;
  border-radius: 4px;
}
.select-list label:hover { background: var(--paper-bg); }
.select-list input[type="checkbox"] { accent-color: var(--accent); }

/* --- Review items --- */
.review-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.review-item:last-child { border-bottom: none; }
.review-item input[type="checkbox"] {
  margin-top: 4px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* --- Modal inline form --- */
.form-inline-group {
  margin-bottom: 16px;
}

/* --- Output list --- */
.output-card {
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: 0 1px 2px rgba(43,40,35,0.04);
}

.output-card .output-title {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-weight: 500;
  margin-bottom: 4px;
}
.output-card .output-meta {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--ink-muted);
}

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 20px;
  border-radius: 6px;
  font-size: 0.8125rem;
  font-family: var(--font-sans);
  z-index: 200;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.toast.show { opacity: 1; }
.toast.toast-danger { background: var(--signal-danger); }

/* --- Responsive --- */
@media (max-width: 600px) {
  .app-container { padding: 0 14px; }
  .app-title { font-size: 24px; }
  .app-nav a { padding: 6px 10px; font-size: 0.8125rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .quota-summary { gap: 16px; }
  .add-form { flex-direction: column; }
  .add-form .form-input, .add-form .form-select { width: 100%; }
  .modal { padding: 16px; }
}

/* --- Item card in inbox/process list --- */
.item-card {
  background: var(--paper-bg-raised);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 10px;
  box-shadow: 0 1px 2px rgba(43,40,35,0.04);
  transition: opacity 0.2s;
}
.item-card-header {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
}
.item-card-header .source-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}
.item-card-title {
  flex: 1;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  word-break: break-all;
}
.item-card-url {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--ink-muted);
  word-break: break-all;
  margin-bottom: 4px;
}
.item-card-note {
  font-size: 0.8125rem;
  color: var(--ink-muted);
  font-style: italic;
  margin-bottom: 6px;
}
.item-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.item-card-actions > * { flex: 0 0 auto; }

/* Source icons */
.source-icon.twitter { color: #1DA1F2; }
.source-icon.wechat { color: #07C160; }
.source-icon.paper { color: var(--accent); }
.source-icon.group { color: var(--signal-warn); }
.source-icon.other { color: var(--ink-muted); }

/* Dedup warning */
.dedup-warning {
  font-size: 0.75rem;
  color: var(--signal-warn);
  font-family: var(--font-mono);
  margin-top: 4px;
}

/* --- Daily settle confirmation summary --- */
.settle-summary-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  margin: 12px 0;
}
.settle-summary-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--line);
}
.settle-summary-table td:last-child {
  text-align: right;
  font-weight: 600;
}

/* --- Sync status --- */
.sync-ok { color: var(--accent); }
.sync-off { color: var(--ink-muted); }