:root {
  --bg: #f5f7f4;
  --panel: #ffffff;
  --panel-soft: #f9fbf8;
  --line: #dde5df;
  --line-strong: #c8d6ce;
  --text: #17201b;
  --muted: #65746b;
  --teal: #0f9f8b;
  --teal-dark: #087465;
  --teal-soft: #e7f6f2;
  --green: #23966f;
  --green-soft: #e7f5ed;
  --amber: #c28312;
  --amber-soft: #fff4db;
  --red: #c44a3d;
  --red-soft: #fff0ee;
  --blue: #3678b6;
  --blue-soft: #eaf3fb;
  --shadow: 0 10px 28px rgba(31, 47, 38, 0.08);
  font-family:
    "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system,
    BlinkMacSystemFont, sans-serif;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  letter-spacing: 0;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 230px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: linear-gradient(145deg, var(--teal), #47b982);
  color: #fff;
  font-weight: 900;
  font-size: 22px;
}

.brand h1,
.brand p,
.result-head h2,
.result-head p,
.input-panel h2,
.side-panel h2,
.analysis-title h3,
.chat-head p {
  margin: 0;
}

.brand h1 {
  font-size: 22px;
  line-height: 1.05;
}

.brand p {
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.brand p::before {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: #1abf7c;
  content: "";
}

.header-actions,
.result-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.auth-widget {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 4px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 13px;
}

.auth-widget strong {
  color: var(--text);
}

.small-button {
  min-height: 30px;
  padding: 6px 10px;
  font-size: 13px;
}

.auth-form {
  display: grid;
  gap: 12px;
}

.auth-form label {
  display: grid;
  gap: 6px;
  color: #26342c;
  font-size: 13px;
  font-weight: 700;
}

.auth-form input {
  width: 100%;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.auth-form-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.credit-box {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(480px, 1fr) minmax(280px, 340px);
  gap: 14px;
  max-width: 1480px;
  min-height: calc(100vh - 64px);
  margin: 0 auto;
  padding: 14px;
}

.input-panel,
.result-panel,
.knowledge-panel,
.chat-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.input-panel,
.result-panel,
.side-panel {
  min-width: 0;
}

.input-panel {
  align-self: start;
  padding: 16px;
}

.result-panel {
  padding: 16px;
}

.side-panel {
  display: grid;
  align-self: start;
  gap: 14px;
}

.knowledge-panel,
.chat-panel {
  padding: 16px;
}

.panel-title-row,
.label-row,
.result-head,
.analysis-title,
.chat-head,
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-title-row h2,
.side-panel h2 {
  font-size: 16px;
}

.control-stack {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.mode-fields {
  display: grid;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.mode-fields[hidden] {
  display: none;
}

.admission-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.mode-card {
  display: grid;
  gap: 5px;
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: #304138;
  text-align: left;
}

.mode-card strong {
  font-size: 14px;
}

.mode-card small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.mode-card.active {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: var(--teal-dark);
}

.mode-card.active small {
  color: #356b61;
}

.field > span,
.label-row span {
  color: #26342c;
  font-size: 13px;
  font-weight: 700;
}

.field small {
  color: var(--muted);
  font-size: 12px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  outline: none;
}

input,
select {
  height: 38px;
  padding: 0 10px;
}

textarea {
  min-height: 96px;
  padding: 10px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 159, 139, 0.13);
}

.inline-input {
  display: grid;
  grid-template-columns: 1fr 38px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
}

.inline-input input {
  border: 0;
  border-radius: 0;
  background: transparent;
}

.inline-input b {
  display: grid;
  place-items: center;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}

.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.segmented,
.tag-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.segment,
.tag-chip {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: #304138;
  font-size: 13px;
}

.segment.active,
.tag-chip.active {
  border-color: var(--teal);
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-weight: 700;
}

.range-labels {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
}

input[type="range"] {
  height: 28px;
  padding: 0;
  accent-color: var(--teal);
}

.privacy-note {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 18px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
}

.lock-icon {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: transparent;
}

.ghost-button,
.primary-button,
.text-button,
.icon-button {
  border: 0;
  border-radius: 6px;
  white-space: nowrap;
}

.ghost-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: #fff;
  color: #24372f;
}

.ghost-button:hover,
.text-button:hover,
.icon-button:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 96px;
  height: 38px;
  padding: 0 14px;
  background: var(--teal);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(15, 159, 139, 0.22);
}

.primary-button:hover {
  background: var(--teal-dark);
}

.text-button {
  height: 28px;
  padding: 0 6px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
}

.icon-button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 24px;
  line-height: 1;
}

.circle-icon {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-size: 12px;
}

.spark-icon {
  font-size: 16px;
}

.result-head h2 {
  font-size: 18px;
}

.result-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.result-head-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.api-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.api-status::before {
  width: 7px;
  height: 7px;
  margin-right: 6px;
  border-radius: 50%;
  background: var(--muted);
  content: "";
}

.api-status.online {
  border-color: rgba(35, 150, 111, 0.28);
  background: var(--green-soft);
  color: var(--green);
}

.api-status.online::before {
  background: var(--green);
}

.api-status.loading {
  border-color: rgba(194, 131, 18, 0.28);
  background: var(--amber-soft);
  color: var(--amber);
}

.api-status.loading::before {
  background: var(--amber);
}

.api-status.offline {
  border-color: rgba(196, 74, 61, 0.24);
  background: var(--red-soft);
  color: var(--red);
}

.api-status.offline::before {
  background: var(--red);
}

.notice-strip {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 12px;
  border: 1px solid #cfddf1;
  border-radius: 8px;
  background: var(--blue-soft);
  color: #24415a;
  font-size: 13px;
}

.notice-index {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
}

.tabs {
  display: flex;
  gap: 4px;
  margin-top: 14px;
  border-bottom: 1px solid var(--line);
}

.tab {
  height: 42px;
  padding: 0 16px;
  border: 0;
  border-bottom: 3px solid transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
}

.tab.active {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.scheme-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.scheme-card {
  display: grid;
  grid-template-columns: 88px 1fr minmax(110px, 150px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.scheme-label {
  display: grid;
  place-items: center;
  min-height: 126px;
  border-right: 1px solid var(--line);
  text-align: center;
}

.scheme-label strong {
  display: block;
  font-size: 28px;
  line-height: 1;
}

.scheme-label span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.scheme-card.rush .scheme-label {
  background: var(--red-soft);
  color: var(--red);
}

.scheme-card.steady .scheme-label {
  background: var(--amber-soft);
  color: var(--amber);
}

.scheme-card.safe .scheme-label {
  background: var(--green-soft);
  color: var(--green);
}

.scheme-main {
  display: grid;
  gap: 8px;
  padding: 16px;
  min-width: 0;
}

.scheme-main h3 {
  margin: 0;
  font-size: 18px;
}

.scheme-meta,
.major-tags,
.scheme-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.scheme-meta span,
.major-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 7px;
  border-radius: 4px;
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
}

.major-tags .quality-badge {
  border: 1px solid rgba(15, 159, 139, 0.22);
  background: rgba(15, 159, 139, 0.08);
  color: #127766;
  font-weight: 700;
}

.major-tags .family-badge {
  border: 1px solid rgba(194, 131, 18, 0.24);
  background: rgba(194, 131, 18, 0.09);
  color: #8a5f0b;
  font-weight: 700;
}

.scheme-row {
  color: #33463c;
  font-size: 13px;
}

.scheme-row b {
  color: var(--text);
}

.scheme-side {
  display: grid;
  align-content: center;
  gap: 10px;
  padding: 14px;
  border-left: 1px solid var(--line);
  background: var(--panel-soft);
}

.scheme-side p {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.scheme-side strong {
  color: var(--text);
  font-size: 18px;
}

.mini-button {
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
  color: #24372f;
  font-size: 13px;
}

.scheme-summary-group {
  display: grid;
  gap: 10px;
}

.volunteer-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.volunteer-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-soft);
}

.volunteer-head h3 {
  margin: 0 0 4px;
  font-size: 17px;
}

.volunteer-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.volunteer-head strong {
  align-self: start;
  padding: 5px 9px;
  border-radius: 6px;
  background: #fff;
  color: var(--teal-dark);
  white-space: nowrap;
}

.volunteer-table {
  display: grid;
}

.volunteer-row {
  display: grid;
  grid-template-columns: 38px 42px minmax(220px, 1fr) 82px 92px 58px;
  align-items: center;
  gap: 10px;
  min-height: 72px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
}

.volunteer-row:last-child {
  border-bottom: 0;
}

.volunteer-rank {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--muted);
  font-weight: 800;
}

.volunteer-tag {
  display: grid;
  place-items: center;
  width: 34px;
  height: 28px;
  border-radius: 6px;
  font-weight: 800;
}

.volunteer-row.rush .volunteer-tag {
  background: var(--red-soft);
  color: var(--red);
}

.volunteer-row.steady .volunteer-tag {
  background: var(--amber-soft);
  color: var(--amber);
}

.volunteer-row.safe .volunteer-tag {
  background: var(--green-soft);
  color: var(--green);
}

.volunteer-main {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.volunteer-main strong,
.volunteer-main span,
.volunteer-main small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.volunteer-main strong {
  font-size: 15px;
}

.volunteer-main span {
  color: #33463c;
  font-size: 13px;
}

.volunteer-main small,
.volunteer-score span,
.volunteer-quality span {
  color: var(--muted);
  font-size: 12px;
}

.volunteer-score,
.volunteer-quality {
  display: grid;
  gap: 3px;
}

.volunteer-score b,
.volunteer-quality b {
  color: var(--text);
  font-size: 17px;
}

.analysis-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.92fr) minmax(280px, 1.08fr);
  gap: 12px;
  margin-top: 14px;
}

.analysis-box {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.analysis-title h3 {
  font-size: 16px;
}

.analysis-title span {
  color: var(--muted);
  font-size: 12px;
}

#riskRadar {
  display: block;
  width: 100%;
  max-width: 420px;
  height: 260px;
  margin: 6px auto 0;
}

.legend {
  display: flex;
  justify-content: center;
  gap: 14px;
  color: var(--muted);
  font-size: 12px;
}

.legend-dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 5px;
  border-radius: 50%;
}

.legend-dot.low {
  background: var(--green);
}

.legend-dot.mid {
  background: var(--amber);
}

.legend-dot.high {
  background: var(--red);
}

.reason-list {
  display: grid;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.reason-list li {
  position: relative;
  padding-left: 26px;
  color: #304139;
  font-size: 14px;
  line-height: 1.7;
}

.reason-list li::before {
  position: absolute;
  left: 0;
  top: 3px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--teal-soft);
  color: var(--teal-dark);
  content: "✓";
  font-size: 12px;
  font-weight: 900;
}

.result-actions {
  justify-content: flex-end;
  margin-top: 12px;
}

.knowledge-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.knowledge-item {
  display: grid;
  grid-template-columns: 36px 1fr 18px;
  align-items: center;
  gap: 10px;
  min-height: 64px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  text-align: left;
}

.knowledge-item:hover,
.knowledge-item.active {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.knowledge-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  color: var(--teal-dark);
  font-weight: 900;
}

.knowledge-item strong,
.knowledge-item small {
  display: block;
}

.knowledge-item strong {
  color: var(--text);
  font-size: 14px;
}

.knowledge-item small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.knowledge-arrow {
  color: var(--muted);
  font-size: 22px;
}

.chat-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.chat-head h2 {
  font-size: 16px;
}

.chat-head p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
}

.online-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 5px;
  border-radius: 50%;
  background: #20bd75;
}

.chat-log {
  display: grid;
  gap: 12px;
  min-height: 280px;
  max-height: 420px;
  overflow: auto;
  padding: 14px 0;
}

.message {
  max-width: 88%;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.65;
}

.message.user {
  justify-self: end;
  background: var(--teal-soft);
  color: #153d36;
}

.message.bot {
  justify-self: start;
  border: 1px solid var(--line);
  background: #fff;
}

.chat-input {
  display: grid;
  grid-template-columns: 1fr 72px;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(23, 32, 27, 0.36);
}

.modal-backdrop[hidden] {
  display: none;
}

.modal {
  width: min(640px, 100%);
  max-height: min(720px, 88vh);
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(23, 32, 27, 0.24);
}

.modal-head {
  padding: 16px;
  border-bottom: 1px solid var(--line);
}

.modal-head h2 {
  margin: 0;
  font-size: 18px;
}

.modal-body {
  overflow: auto;
  max-height: calc(88vh - 67px);
  padding: 16px;
  color: #304139;
  font-size: 14px;
  line-height: 1.75;
}

.modal-body h3 {
  margin: 14px 0 8px;
  color: var(--text);
  font-size: 16px;
}

.modal-body p {
  margin: 8px 0;
}

.modal-body ul {
  margin: 8px 0;
  padding-left: 20px;
}

.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 14px 0;
}

.download-actions a {
  text-decoration: none;
}

.muted {
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 60;
  transform: translateY(24px);
  opacity: 0;
  max-width: 360px;
  padding: 11px 14px;
  border-radius: 8px;
  background: #17201b;
  color: #fff;
  font-size: 13px;
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 1180px) {
  .workspace {
    grid-template-columns: 300px minmax(460px, 1fr);
  }

  .side-panel {
    grid-column: 1 / -1;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 860px) {
  .app-header {
    position: static;
    height: auto;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
  }

  .workspace,
  .side-panel,
  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .scheme-card {
    grid-template-columns: 64px 1fr;
  }

  .scheme-side {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .volunteer-head {
    display: grid;
  }

  .volunteer-row {
    grid-template-columns: 34px 34px 1fr 58px;
    gap: 8px;
  }

  .volunteer-main {
    grid-column: 3 / -1;
  }

  .volunteer-score,
  .volunteer-quality {
    grid-column: 3 / 4;
  }

  .volunteer-row .mini-button {
    grid-column: 4 / 5;
    grid-row: 3 / 4;
  }

  .notice-strip {
    grid-template-columns: auto 1fr;
  }

  .notice-strip > span:last-of-type,
  .notice-strip .text-button {
    grid-column: 2;
  }
}

@media (max-width: 560px) {
  .workspace {
    padding: 8px;
  }

  .app-header {
    padding: 12px 10px;
  }

  .brand {
    min-width: 0;
  }

  .brand h1 {
    font-size: 18px;
  }

  .input-panel,
  .result-panel,
  .knowledge-panel,
  .chat-panel {
    padding: 12px;
  }

  .segmented,
  .tag-grid,
  .two-column,
  .scheme-side {
    grid-template-columns: 1fr 1fr;
  }

  .scheme-main h3 {
    font-size: 16px;
  }

  .scheme-side {
    gap: 8px;
  }

  .chat-input {
    grid-template-columns: 1fr;
  }

  .primary-button,
  .ghost-button {
    min-width: auto;
  }
}