:root {
  --bg: #08111b;
  --bg-panel: rgba(12, 23, 36, 0.92);
  --border: rgba(118, 153, 189, 0.18);
  --border-strong: rgba(132, 180, 224, 0.36);
  --text: #e8f1fb;
  --text-dim: #93a7bb;
  --text-faint: #66798d;
  --accent-blue: #55a7ff;
  --accent-cyan: #4fd8d0;
  --accent-gold: #ffc857;
  --accent-red: #ff6b57;
  --accent-green: #57d29a;
  --accent-violet: #6e86ff;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
  --glow-blue: 0 0 0 1px rgba(85, 167, 255, 0.18), 0 0 28px rgba(85, 167, 255, 0.08);
  --radius: 18px;
  --font-ui: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(79, 216, 208, 0.09), transparent 24%),
    radial-gradient(circle at top right, rgba(110, 134, 255, 0.1), transparent 28%),
    linear-gradient(180deg, #08111b 0%, #0a1420 45%, #08101a 100%);
  color: var(--text);
  font-family: var(--font-ui);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(140, 180, 220, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140, 180, 220, 0.04) 1px, transparent 1px);
  background-size: 36px 36px;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent);
}

a { color: inherit; text-decoration: none; }

.page-shell {
  width: min(1600px, calc(100vw - 48px));
  margin: 24px auto 40px;
}

.topbar {
  display: grid;
  grid-template-columns: 1.1fr 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px 22px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: rgba(7, 17, 28, 0.9);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand { display: grid; gap: 4px; }

.eyebrow {
  color: var(--accent-cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 12px;
}

.brand h1, .brand h2, .brand p { margin: 0; }
.brand h1, .brand h2 { font-weight: 600; letter-spacing: 0.02em; }
.brand p { color: var(--text-dim); font-size: 13px; }

.searchbar, .input-shell {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(16, 28, 42, 0.85);
}

.searchbar input, .login-form input, .filter-select, .toggle-select {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font: inherit;
}

.filter-select, .toggle-select {
  width: auto;
  min-width: 132px;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(15, 27, 42, 0.9);
}

.input-shell {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
}

.input-shell label,
.metric-label {
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hint { color: var(--text-faint); font-size: 12px; }

.top-actions, .task-actions, .tabs, .filterbar, .tab-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.top-actions { justify-content: flex-end; }

.chip, .button, .nav-chip, .status-pill, .priority-pill, .type-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(15, 27, 42, 0.86);
  color: var(--text);
  font: inherit;
}

.chip { color: var(--text-dim); font-size: 12px; }

.button.primary, .nav-chip.active {
  background: linear-gradient(135deg, rgba(85, 167, 255, 0.22), rgba(79, 216, 208, 0.16));
  border-color: rgba(85, 167, 255, 0.4);
  box-shadow: var(--glow-blue);
}

.button.warn {
  border-color: rgba(255, 108, 87, 0.44);
  background: linear-gradient(135deg, rgba(255, 107, 87, 0.18), rgba(255, 200, 87, 0.08));
}

.metrics-strip, .category-strip, .summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.running-banner {
  display: grid;
  gap: 14px;
  margin-top: 16px;
  border-color: rgba(85, 167, 255, 0.28);
  background:
    linear-gradient(135deg, rgba(85, 167, 255, 0.08), rgba(79, 216, 208, 0.04)),
    var(--bg-panel);
}

.running-banner-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.running-banner-head h3 {
  margin: 4px 0 0;
  font-size: 24px;
}

.running-task-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.running-task-item {
  display: grid;
  gap: 10px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(85, 167, 255, 0.18);
  background: rgba(10, 20, 31, 0.72);
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.running-task-item:hover {
  border-color: rgba(85, 167, 255, 0.35);
  background: rgba(13, 27, 42, 0.92);
  box-shadow: var(--glow-blue);
}

.running-task-item strong {
  color: var(--text);
  line-height: 1.35;
}

.summary-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.metric-card, .panel, .focus-card, .task-card, .rail-panel, .tab-panel, .summary-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.metric-card, .summary-card, .panel, .focus-card, .task-card, .rail-panel, .tab-panel {
  padding: 18px;
}

.metric-card { display: grid; gap: 8px; min-height: 132px; }
.metric-value { font-size: 42px; line-height: 1; font-weight: 700; }
.metric-foot, .muted, .focus-body, .task-body { color: var(--text-dim); line-height: 1.5; }

.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 24px 0 12px;
}

.section-heading h2, .section-heading h3, .section-heading h4 { margin: 0; }
.section-heading p { margin: 4px 0 0; color: var(--text-dim); font-size: 13px; }

.focus-grid {
  display: grid;
  grid-template-columns: 1.35fr 1.35fr 1fr;
  gap: 16px;
}

.focus-card, .task-card, .rail-panel, .summary-card {
  position: relative;
  overflow: hidden;
}

.focus-card::after, .task-card::after, .rail-panel::after, .summary-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 32%);
}

.priority-urgent { border-color: rgba(255, 107, 87, 0.52); box-shadow: 0 0 0 1px rgba(255, 107, 87, 0.18), 0 0 42px rgba(255, 107, 87, 0.12); }
.priority-high { border-color: rgba(255, 200, 87, 0.42); }
.priority-medium { border-color: rgba(85, 167, 255, 0.28); }

.card-topline, .task-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.card-topline { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; }

.priority-pill.urgent { color: #ffd9d3; border-color: rgba(255, 107, 87, 0.4); }
.priority-pill.high { color: #ffe7b1; border-color: rgba(255, 200, 87, 0.34); }
.priority-pill.medium, .status-pill.info { color: #cde5ff; border-color: rgba(85, 167, 255, 0.34); }
.priority-pill.low { color: var(--text-dim); }
.status-pill.good { color: #c8ffe5; border-color: rgba(87, 210, 154, 0.35); }
.status-pill.warn { color: #ffe7b1; border-color: rgba(255, 200, 87, 0.35); }
.status-pill.bad { color: #ffd6cf; border-color: rgba(255, 107, 87, 0.38); }

.focus-title, .task-title, .summary-title { margin: 0; font-weight: 600; line-height: 1.2; }
.focus-title { font-size: 28px; }
.task-title { font-size: 18px; }

.probability { display: flex; align-items: baseline; gap: 10px; }
.probability .value { font-size: 56px; line-height: 1; font-weight: 700; }
.probability .meta { color: var(--text-dim); font-size: 13px; }

.dense-metrics, .task-stats {
  display: grid;
  gap: 12px;
}

.dense-metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.task-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }

.dense-metric, .rail-item, .matrix-row, .info-row, .timeline-item {
  padding: 12px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  border-radius: 14px;
  background: rgba(10, 20, 31, 0.72);
}

.dense-metric .label { color: var(--text-faint); font-size: 11px; text-transform: uppercase; }
.dense-metric .value { margin-top: 6px; font-size: 22px; font-weight: 600; }

.category-strip { grid-template-columns: repeat(5, minmax(0, 1fr)); }

.category-tile {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(11, 21, 33, 0.88);
  position: relative;
  overflow: hidden;
}

.category-tile::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
}

.category-tile.meeting::before { background: var(--accent-cyan); }
.category-tile.conflict::before { background: var(--accent-red); }
.category-tile.diplomatic::before { background: var(--accent-blue); }
.category-tile.policy::before { background: var(--accent-gold); }
.category-tile.election::before { background: var(--accent-violet); }

.main-grid, .tab-grid, .task-header {
  display: grid;
  gap: 18px;
}

.main-grid { grid-template-columns: 1.95fr 0.95fr; margin-top: 18px; }
.tab-grid { grid-template-columns: 1.45fr 1fr; }
.task-header { grid-template-columns: 1.6fr 1fr; }
.board-column, .rail, .matrix-list, .info-list, .rail-list, .timeline-list { display: grid; gap: 16px; }

.board-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 14px;
}

.board-header .meta { color: var(--text-dim); font-size: 13px; }

.task-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.task-card { display: grid; gap: 12px; min-height: 258px; }
.task-card.wide { grid-column: span 2; }
.task-stat { font-size: 13px; color: var(--text-dim); }
.task-stat strong { display: block; color: var(--text); font-size: 18px; margin-top: 4px; }

.timeline-item {
  display: grid;
  grid-template-columns: 130px 160px 1fr;
  gap: 14px;
  align-items: start;
}

.timeline-item strong, .rail-item strong { display: block; margin-bottom: 4px; }
.timeline-time, .timeline-type { color: var(--text-dim); font-size: 13px; }

.login-layout {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px;
}

.login-shell {
  width: min(420px, calc(100vw - 32px));
  padding: 28px;
  border-radius: 24px;
  border: 1px solid var(--border-strong);
  background: rgba(9, 19, 31, 0.92);
  box-shadow: var(--shadow), var(--glow-blue);
}

.login-form { display: grid; gap: 14px; margin-top: 22px; }
.login-footer { margin-top: 18px; color: var(--text-faint); font-size: 12px; }

.stack {
  display: grid;
  gap: 18px;
}

.chat-log {
  display: grid;
  gap: 12px;
  max-height: 460px;
  overflow: auto;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(10, 20, 31, 0.72);
}

.bubble {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(12, 23, 36, 0.88);
  line-height: 1.55;
}

.bubble.user {
  background: rgba(32, 55, 82, 0.82);
}

.bubble .meta {
  margin-top: 8px;
  color: var(--text-faint);
  font-size: 12px;
}

.textarea-shell {
  width: 100%;
  min-height: 110px;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(11, 22, 35, 0.9);
  color: var(--text);
  font: inherit;
  resize: vertical;
}

.artifact-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 18px;
}

.artifact-list {
  display: grid;
  gap: 10px;
}

.artifact-item {
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.artifact-item.active {
  border-color: rgba(85, 167, 255, 0.4);
  box-shadow: var(--glow-blue);
}

.artifact-preview {
  min-height: 420px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(10, 20, 31, 0.72);
  color: var(--text-dim);
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.option-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.drawer-shell {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.detail-list {
  display: grid;
  gap: 12px;
}

.detail-card {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(10, 20, 31, 0.72);
  color: var(--text);
  font: inherit;
  text-align: left;
  appearance: none;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease,
    transform 160ms ease;
}

.detail-card:hover {
  border-color: rgba(85, 167, 255, 0.28);
  background: rgba(13, 27, 42, 0.9);
}

.detail-card:focus-visible {
  outline: none;
  border-color: rgba(85, 167, 255, 0.5);
  box-shadow: 0 0 0 1px rgba(85, 167, 255, 0.35), var(--glow-blue);
}

.detail-card.active {
  border-color: rgba(85, 167, 255, 0.4);
  box-shadow: var(--glow-blue);
  background: rgba(13, 27, 42, 0.94);
}

.detail-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--text);
}

.detail-card .muted {
  color: var(--text-dim);
}

.detail-preview {
  min-height: 320px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(10, 20, 31, 0.72);
  color: var(--text-dim);
  white-space: pre-wrap;
  word-break: break-word;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.report-section {
  padding: 18px;
  border-radius: 16px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(10, 20, 31, 0.72);
}

.report-section h4 {
  margin: 0 0 10px;
}

.report-section p,
.report-section li {
  color: var(--text-dim);
  line-height: 1.55;
}

.report-section ul {
  margin: 0;
  padding-left: 18px;
}

.inline-form {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.toggle-indicator {
  color: var(--text-dim);
  font-size: 13px;
}

.task-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-block {
  display: grid;
  gap: 10px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(118, 153, 189, 0.12);
  background: rgba(10, 20, 31, 0.72);
}

.form-block.span-2 {
  grid-column: span 2;
}

.form-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.form-label-row label {
  font-size: 14px;
  font-weight: 600;
}

.required-mark,
.optional-mark {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
}

.required-mark {
  color: #ffd8d2;
  border-color: rgba(255, 107, 87, 0.35);
  background: rgba(255, 107, 87, 0.08);
}

.optional-mark {
  color: var(--text-dim);
}

.form-control {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(11, 22, 35, 0.9);
  color: var(--text);
  font: inherit;
  outline: none;
}

.form-control:focus,
.textarea-shell:focus {
  border-color: rgba(85, 167, 255, 0.4);
  box-shadow: var(--glow-blue);
}

.textarea-shell.compact {
  min-height: 92px;
}

.field-guide,
.form-message {
  color: var(--text-dim);
  font-size: 13px;
  line-height: 1.5;
}

.checkbox-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.check-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(118, 153, 189, 0.16);
  background: rgba(12, 23, 36, 0.88);
  color: var(--text-dim);
}

.check-chip input {
  accent-color: var(--accent-blue);
}

@media (max-width: 1280px) {
  .metrics-strip, .category-strip, .summary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .focus-grid, .main-grid, .tab-grid, .task-header { grid-template-columns: 1fr; }
  .task-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .drawer-shell, .report-grid { grid-template-columns: 1fr; }
  .task-form-grid { grid-template-columns: 1fr; }
  .form-block.span-2 { grid-column: span 1; }
}

@media (max-width: 840px) {
  .page-shell { width: min(100vw - 24px, 100%); margin: 12px auto 24px; }
  .topbar, .metrics-strip, .category-strip, .task-grid, .summary-grid { grid-template-columns: 1fr; }
  .task-card.wide { grid-column: span 1; }
  .timeline-item { grid-template-columns: 1fr; }
}