:root {
  color-scheme: dark;
  --bg: #0b0e0d;
  --surface: #111614;
  --surface-2: #161c19;
  --surface-3: #1b231f;
  --line: rgba(221, 230, 222, 0.11);
  --line-strong: rgba(221, 230, 222, 0.19);
  --text: #edf1ec;
  --muted: #929e97;
  --jade: #7fc5a1;
  --jade-strong: #a2dfbe;
  --gold: #c6a86a;
  --danger: #e29287;
  --radius: 18px;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background:
    radial-gradient(circle at 76% 8%, rgba(76, 132, 100, 0.12), transparent 33%),
    linear-gradient(135deg, #090c0b, var(--bg));
  color: var(--text);
}

button, input, textarea, select { font: inherit; }
button, select { cursor: pointer; }
button:disabled { cursor: wait; opacity: 0.58; }
[hidden] { display: none !important; }

.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 28px;
  position: relative;
  overflow: hidden;
}

.login-view::before,
.login-view::after {
  content: "";
  position: absolute;
  width: min(52vw, 650px);
  aspect-ratio: 1;
  border: 1px solid rgba(127, 197, 161, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 65px rgba(127, 197, 161, 0.018), 0 0 0 130px rgba(127, 197, 161, 0.012);
}

.login-view::before { left: -16vw; top: -20vw; }
.login-view::after { right: -20vw; bottom: -24vw; }

.login-card {
  width: min(440px, 100%);
  padding: 44px;
  border: 1px solid var(--line-strong);
  border-radius: 26px;
  background: linear-gradient(155deg, rgba(23, 30, 27, 0.96), rgba(13, 17, 15, 0.98));
  box-shadow: var(--shadow);
  position: relative;
  z-index: 1;
}

.seal, .mini-seal {
  display: grid;
  place-items: center;
  background: #913b34;
  color: #f5dfc6;
  border: 1px solid rgba(255, 232, 204, 0.35);
  font-family: "STKaiti", "KaiTi", serif;
}

.seal {
  width: 62px;
  height: 62px;
  border-radius: 14px;
  font-size: 21px;
  letter-spacing: 2px;
  margin-bottom: 28px;
  transform: rotate(-2deg);
}

.eyebrow {
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.19em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.login-card h1 { margin: 0; font-family: "STKaiti", "KaiTi", serif; font-size: 40px; font-weight: 500; }
.login-copy { color: var(--muted); line-height: 1.7; margin: 14px 0 30px; }

.stack-form { display: grid; gap: 17px; }
.stack-form label { display: grid; gap: 8px; color: #cbd2cd; font-size: 13px; }

input, textarea, select {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: rgba(5, 8, 7, 0.5);
  color: var(--text);
  outline: none;
  transition: border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

input, select { height: 45px; padding: 0 13px; }
textarea { padding: 13px; resize: vertical; line-height: 1.65; }
input:focus, textarea:focus, select:focus { border-color: rgba(127, 197, 161, 0.62); box-shadow: 0 0 0 3px rgba(127, 197, 161, 0.08); background: #0b100e; }
input::placeholder, textarea::placeholder { color: #5e6963; }

.primary-button, .ghost-button, .send-button, .download-button {
  border-radius: 11px;
  min-height: 43px;
  border: 1px solid transparent;
  padding: 0 17px;
  font-weight: 650;
  transition: transform 150ms ease, background 150ms ease, border-color 150ms ease;
}

.primary-button, .send-button {
  color: #09110d;
  background: linear-gradient(135deg, var(--jade-strong), #6fb98f);
  box-shadow: 0 9px 22px rgba(65, 132, 94, 0.16);
}
.primary-button:hover, .send-button:hover { transform: translateY(-1px); background: linear-gradient(135deg, #b2e8ca, #7fc9a0); }
.ghost-button { color: #cbd4ce; background: transparent; border-color: var(--line-strong); }
.ghost-button:hover { border-color: rgba(127, 197, 161, 0.4); background: rgba(127, 197, 161, 0.06); }

.privacy-line {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #637069;
  font-size: 11px;
  margin-top: 26px;
  white-space: nowrap;
}
.privacy-line span { height: 1px; flex: 1; background: var(--line); }
.setup-notice { color: #e6c989; background: rgba(198, 168, 106, 0.08); border: 1px solid rgba(198, 168, 106, 0.2); border-radius: 10px; padding: 12px; line-height: 1.6; }

.app-shell { min-height: 100vh; display: grid; grid-template-columns: 235px minmax(0, 1fr); }
.sidebar { background: rgba(9, 13, 11, 0.93); border-right: 1px solid var(--line); padding: 26px 18px; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; z-index: 10; }
.brand-block { display: flex; align-items: center; gap: 12px; padding: 0 9px 28px; border-bottom: 1px solid var(--line); }
.mini-seal { width: 38px; height: 38px; border-radius: 9px; font-size: 19px; }
.brand-block strong { display: block; font-family: "STKaiti", "KaiTi", serif; font-size: 20px; font-weight: 500; }
.brand-block span { display: block; color: var(--muted); font-size: 11px; margin-top: 3px; }
.main-nav { display: grid; gap: 8px; margin-top: 27px; }
.nav-button { width: 100%; display: flex; align-items: center; gap: 12px; border: 1px solid transparent; background: transparent; color: #9ca7a1; border-radius: 11px; padding: 10px 11px; text-align: left; }
.nav-button:hover { background: rgba(255, 255, 255, 0.025); color: #d8ded9; }
.nav-button.active { color: var(--jade-strong); background: rgba(127, 197, 161, 0.09); border-color: rgba(127, 197, 161, 0.12); }
.nav-icon { width: 29px; height: 29px; display: grid; place-items: center; border-radius: 8px; border: 1px solid currentColor; font-family: "STKaiti", "KaiTi", serif; opacity: 0.8; }
.sidebar-footer { margin-top: auto; border-top: 1px solid var(--line); padding: 20px 9px 0; }
.local-status { display: flex; gap: 9px; align-items: center; color: var(--muted); font-size: 12px; }
.local-status i { width: 7px; height: 7px; background: var(--jade); border-radius: 50%; box-shadow: 0 0 12px var(--jade); }
.text-button { border: 0; background: transparent; color: #727e77; padding: 15px 0 0; font-size: 12px; }
.text-button:hover { color: var(--danger); }

.workspace { min-width: 0; }
.topbar { height: 92px; display: flex; align-items: center; padding: 0 clamp(24px, 4vw, 58px); border-bottom: 1px solid var(--line); background: rgba(11, 14, 13, 0.72); backdrop-filter: blur(16px); position: sticky; top: 0; z-index: 6; }
.topbar h2 { margin: 0; font-size: 22px; font-weight: 650; }
.owner-chip { margin-left: auto; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 12px; }
.owner-chip strong { color: #dce2de; padding: 7px 11px; border: 1px solid var(--line); background: var(--surface); border-radius: 999px; }
.mobile-menu { display: none; border: 0; background: transparent; color: var(--text); font-size: 22px; margin-right: 12px; }
.page { display: none; padding: 32px clamp(24px, 4vw, 58px) 48px; }
.active-page { display: block; }

.research-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; max-width: 970px; margin: 0 auto 18px; }
.research-tab { display: flex; align-items: center; gap: 13px; min-height: 76px; border: 1px solid var(--line); border-radius: 15px; color: #98a49d; background: var(--surface); padding: 12px 15px; text-align: left; }
.research-tab:hover { border-color: var(--line-strong); background: var(--surface-2); }
.research-tab.active { border-color: rgba(127, 197, 161, 0.35); color: #dae8df; background: linear-gradient(135deg, rgba(127, 197, 161, 0.13), rgba(22, 28, 25, 0.9)); }
.research-tab b { width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 10px; color: var(--gold); border: 1px solid rgba(198, 168, 106, 0.3); font-family: "STKaiti", "KaiTi", serif; font-size: 21px; font-weight: 500; }
.research-tab span, .research-tab strong, .research-tab small { display: block; }
.research-tab strong { font-size: 14px; }
.research-tab small { color: var(--muted); margin-top: 5px; font-size: 11px; }

.chat-card { max-width: 970px; height: calc(100vh - 235px); min-height: 520px; margin: auto; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(17, 22, 20, 0.8); display: grid; grid-template-rows: 1fr auto; overflow: hidden; box-shadow: var(--shadow); }
.messages { overflow-y: auto; padding: 31px clamp(20px, 4vw, 44px); scroll-behavior: smooth; }
.empty-chat { min-height: 100%; display: grid; place-items: center; text-align: center; color: var(--muted); }
.empty-chat > div { max-width: 520px; }
.empty-mark { width: 68px; height: 68px; margin: 0 auto 19px; display: grid; place-items: center; border: 1px solid rgba(198, 168, 106, 0.29); border-radius: 50%; color: var(--gold); font-family: "STKaiti", "KaiTi", serif; font-size: 25px; box-shadow: inset 0 0 0 7px rgba(198, 168, 106, 0.035); }
.empty-chat h3 { color: #d9dfdb; margin: 0 0 10px; font-family: "STKaiti", "KaiTi", serif; font-size: 24px; font-weight: 500; }
.empty-chat p { line-height: 1.75; font-size: 13px; }
.message { max-width: 82%; margin-bottom: 23px; animation: rise 220ms ease both; }
.message.user { margin-left: auto; }
.message-meta { color: #6f7b74; font-size: 11px; margin: 0 0 7px 3px; }
.message.user .message-meta { text-align: right; margin-right: 3px; }
.message-body { white-space: pre-wrap; line-height: 1.78; font-size: 14px; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--line); background: #151b18; }
.message.user .message-body { color: #122119; background: linear-gradient(135deg, #a8d9bd, #83c6a1); border-color: transparent; }
.message.insufficient .message-body { border-color: rgba(198, 168, 106, 0.28); background: rgba(198, 168, 106, 0.06); }
.citations { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.citation { color: #aebbb3; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.018); padding: 6px 9px; border-radius: 8px; font-size: 11px; }
.message-action { border: 0; color: #6f8c7b; background: transparent; font-size: 11px; padding: 8px 2px 0; }
.message-action:hover { color: var(--jade); }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } }
.composer-wrap { border-top: 1px solid var(--line); background: rgba(9, 13, 11, 0.82); padding: 13px clamp(16px, 3vw, 28px) 19px; }
.research-rule { color: #68746d; font-size: 11px; margin-bottom: 9px; }
.research-rule span { color: var(--gold); margin-right: 8px; }
.composer { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 10px; }
.composer textarea { min-height: 58px; max-height: 160px; resize: none; }
.send-button { height: 58px; min-width: 74px; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; margin-bottom: 18px; }
.stats-grid article { padding: 18px 20px; border: 1px solid var(--line); background: var(--surface); border-radius: 14px; }
.stats-grid span { display: block; color: var(--muted); font-size: 12px; }
.stats-grid strong { display: block; margin-top: 8px; font-size: 25px; font-weight: 550; }
.knowledge-grid { display: grid; grid-template-columns: minmax(320px, 0.85fr) minmax(420px, 1.35fr); gap: 18px; align-items: start; }
.panel { border: 1px solid var(--line); background: rgba(17, 22, 20, 0.85); border-radius: var(--radius); padding: 24px; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.panel-heading h3 { margin: 0; font-size: 18px; }
.panel-note { color: var(--muted); font-size: 12px; line-height: 1.65; padding: 10px 12px; border-left: 2px solid rgba(198, 168, 106, 0.55); background: rgba(198, 168, 106, 0.05); margin: 0 0 18px; }
.compact-form { gap: 13px; }
.compact-form small { color: #68736d; line-height: 1.5; }
.library-panel { min-height: 610px; }
.library-panel .panel-heading select { width: auto; min-width: 120px; height: 38px; }
.knowledge-list { display: grid; gap: 10px; }
.empty-library { text-align: center; color: var(--muted); padding: 75px 15px; border: 1px dashed var(--line-strong); border-radius: 13px; }
.knowledge-item { border: 1px solid var(--line); border-radius: 13px; padding: 16px; background: rgba(7, 10, 9, 0.32); }
.knowledge-item:hover { border-color: var(--line-strong); }
.knowledge-head { display: flex; align-items: flex-start; gap: 10px; }
.knowledge-head > div { min-width: 0; flex: 1; }
.knowledge-head h4 { margin: 0; font-size: 14px; overflow-wrap: anywhere; }
.knowledge-head p { color: var(--muted); font-size: 11px; margin: 6px 0 0; overflow-wrap: anywhere; }
.school-pill, .status-pill { display: inline-flex; align-items: center; border-radius: 999px; font-size: 10px; white-space: nowrap; }
.school-pill { color: var(--gold); border: 1px solid rgba(198, 168, 106, 0.24); padding: 4px 7px; }
.status-pill { margin-left: auto; padding: 4px 8px; }
.status-pill.draft { color: #e3bd75; background: rgba(198, 168, 106, 0.09); }
.status-pill.published { color: var(--jade-strong); background: rgba(127, 197, 161, 0.1); }
.status-pill.archived { color: #8e9992; background: rgba(160, 170, 164, 0.08); }
.knowledge-excerpt { color: #8d9992; font-size: 12px; line-height: 1.6; margin: 13px 0; }
.knowledge-foot { display: flex; align-items: center; gap: 8px; color: #657068; font-size: 10px; }
.knowledge-actions { margin-left: auto; display: flex; gap: 6px; }
.small-button { border: 1px solid var(--line); background: transparent; color: #a9b3ad; border-radius: 8px; font-size: 11px; padding: 6px 9px; }
.small-button:hover { border-color: rgba(127, 197, 161, 0.35); color: var(--jade); }
.small-button.archive:hover { color: var(--danger); border-color: rgba(226, 146, 135, 0.3); }

.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.full-width { grid-column: 1 / -1; }
.status-badge { padding: 6px 9px; border-radius: 999px; font-size: 11px; }
.status-badge.neutral { color: var(--muted); background: rgba(255, 255, 255, 0.04); }
.status-badge.good { color: var(--jade-strong); background: rgba(127, 197, 161, 0.1); }
.status-badge.bad { color: var(--danger); background: rgba(226, 146, 135, 0.09); }
.button-row { display: flex; flex-wrap: wrap; gap: 9px; }
.model-list { margin-top: 18px; color: var(--muted); font-size: 12px; line-height: 1.7; padding-top: 15px; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.security-list { list-style: none; padding: 0; margin: 0 0 24px; display: grid; gap: 16px; }
.security-list li { display: flex; gap: 12px; }
.security-list i { color: var(--gold); font-style: normal; font-size: 11px; padding-top: 2px; }
.security-list strong, .security-list span { display: block; }
.security-list strong { font-size: 13px; margin-bottom: 4px; }
.security-list span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.download-button { display: flex; align-items: center; justify-content: center; color: #cbd5cf; text-decoration: none; border-color: var(--line-strong); background: rgba(255, 255, 255, 0.02); }
.download-button:hover { border-color: rgba(127, 197, 161, 0.35); color: var(--jade-strong); }
.warning-panel { border-color: rgba(198, 168, 106, 0.18); background: rgba(198, 168, 106, 0.035); }
.warning-panel strong { color: var(--gold); }
.warning-panel p { color: var(--muted); line-height: 1.75; margin: 8px 0 0; font-size: 12px; }
.mobile-access-layout { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px; align-items: center; }
.mobile-description { color: #c6d0ca; font-size: 13px; line-height: 1.65; margin: 0 0 15px; }
.mobile-steps { color: var(--muted); font-size: 11px; line-height: 1.8; padding-left: 20px; margin: 0; }
.mobile-steps code { color: var(--jade-strong); background: rgba(127, 197, 161, 0.07); border: 1px solid rgba(127, 197, 161, 0.12); border-radius: 5px; padding: 2px 5px; }
.mobile-url-box { margin-top: 16px; display: grid; gap: 5px; padding: 12px; border: 1px solid rgba(127, 197, 161, 0.23); border-radius: 11px; background: rgba(127, 197, 161, 0.05); }
.mobile-url-box span, .mobile-url-box small { color: var(--muted); font-size: 9px; }
.mobile-url-box strong { color: var(--jade-strong); font-family: Consolas, monospace; font-size: 15px; overflow-wrap: anywhere; }
.mobile-warning { color: #b08e82; font-size: 10px; line-height: 1.65; border-left: 2px solid rgba(226, 146, 135, 0.35); padding-left: 10px; margin: 16px 0 0; }
.mobile-qr-box { width: 230px; display: grid; justify-items: center; gap: 8px; padding: 10px; background: #edf1ec; border-radius: 14px; }
.mobile-qr-box img { display: block; width: 210px; height: 210px; }
.mobile-qr-box span { color: #28332d; font-size: 10px; font-weight: 650; }

.chart-workbench { display: grid; grid-template-columns: minmax(320px, 0.7fr) minmax(540px, 1.5fr); gap: 18px; align-items: start; }
.chart-controls { position: sticky; top: 124px; }
.chart-type-fieldset { border: 0; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.chart-type-fieldset legend { color: #cbd2cd; font-size: 13px; margin-bottom: 8px; }
.chart-type-option { position: relative; display: grid !important; justify-items: center; gap: 5px !important; padding: 10px 5px; border: 1px solid var(--line); border-radius: 11px; color: var(--muted) !important; cursor: pointer; text-align: center; }
.chart-type-option input { position: absolute; opacity: 0; pointer-events: none; }
.chart-type-option b { width: 31px; height: 31px; display: grid; place-items: center; border: 1px solid rgba(198, 168, 106, 0.28); border-radius: 8px; color: var(--gold); font-family: "STKaiti", "KaiTi", serif; font-size: 17px; font-weight: 500; }
.chart-type-option strong, .chart-type-option small { display: block; }
.chart-type-option strong { color: #cbd3ce; font-size: 11px; }
.chart-type-option small { color: #69736d; font-size: 9px; margin-top: 2px; }
.chart-type-option.active { background: rgba(127, 197, 161, 0.08); border-color: rgba(127, 197, 161, 0.34); }
.chart-type-option.active strong { color: var(--jade-strong); }
.form-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.option-box { border: 1px solid var(--line); background: rgba(5, 8, 7, 0.26); border-radius: 12px; padding: 13px; display: grid; gap: 12px; }
.option-box > strong { font-size: 12px; color: #ced6d1; }
.option-box > p { color: var(--muted); font-size: 11px; line-height: 1.65; margin: 0; }
.chart-output-panel { min-height: calc(100vh - 156px); }
.chart-output-heading { align-items: flex-start; }
.chart-output-heading .button-row { justify-content: flex-end; }
.chart-output-heading button { min-height: 37px; font-size: 11px; }
.chart-result-empty { min-height: 510px; display: grid; align-content: center; justify-items: center; text-align: center; color: var(--muted); }
.chart-result-empty h3 { color: #d8dfda; font-family: "STKaiti", "KaiTi", serif; font-weight: 500; margin: 0 0 8px; }
.chart-result-empty p { max-width: 430px; font-size: 12px; line-height: 1.65; }
.chart-result { display: grid; gap: 15px; }
.chart-meta-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 11px 13px; border: 1px solid rgba(198, 168, 106, 0.18); border-radius: 11px; background: rgba(198, 168, 106, 0.04); color: var(--muted); font-size: 10px; }
.chart-meta-strip strong { color: var(--gold); font-size: 11px; }
.chart-meta-strip span:not(:last-child)::after { content: "·"; margin-left: 8px; color: #46504a; }
.chart-section { border: 1px solid var(--line); background: rgba(6, 9, 8, 0.23); border-radius: 13px; padding: 15px; }
.chart-section-title { display: flex; align-items: center; gap: 9px; margin: 0 0 12px; font-size: 13px; }
.chart-section-title::before { content: ""; width: 3px; height: 14px; background: var(--jade); border-radius: 3px; }
.chart-pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.pillar-card { border: 1px solid var(--line); border-radius: 10px; padding: 10px; text-align: center; background: rgba(255, 255, 255, 0.015); }
.pillar-card span { display: block; color: var(--muted); font-size: 9px; margin-bottom: 5px; }
.pillar-card strong { font-family: "STKaiti", "KaiTi", serif; color: #e5e9e6; font-size: 18px; font-weight: 500; letter-spacing: 0.08em; }
.chart-metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.chart-metric { border: 1px solid var(--line); border-radius: 10px; padding: 11px; }
.chart-metric span { display: block; color: var(--muted); font-size: 9px; }
.chart-metric strong { display: block; color: #dce3de; font-size: 13px; margin-top: 6px; overflow-wrap: anywhere; }
.chart-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.chart-tag { border: 1px solid rgba(198, 168, 106, 0.2); color: #c7b386; background: rgba(198, 168, 106, 0.045); border-radius: 999px; padding: 5px 8px; font-size: 9px; }
.chart-note { color: var(--muted); font-size: 10px; line-height: 1.65; margin: 10px 0 0; }

.qimen-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
.qimen-palace { min-height: 154px; border: 1px solid var(--line); border-radius: 11px; padding: 10px; background: linear-gradient(145deg, rgba(24, 31, 27, 0.72), rgba(8, 12, 10, 0.56)); }
.qimen-palace.center { border-color: rgba(198, 168, 106, 0.27); background: rgba(198, 168, 106, 0.045); }
.palace-head { display: flex; justify-content: space-between; gap: 7px; align-items: flex-start; padding-bottom: 7px; margin-bottom: 8px; border-bottom: 1px solid var(--line); }
.palace-head strong { color: #e2e7e3; font-family: "STKaiti", "KaiTi", serif; font-size: 15px; font-weight: 500; }
.palace-head span { color: #69736d; font-size: 9px; text-align: right; }
.palace-row { display: flex; justify-content: space-between; gap: 8px; margin: 6px 0; color: #aeb8b2; font-size: 10px; }
.palace-row span:first-child { color: #657068; }
.palace-row strong { color: #cbd5cf; font-weight: 550; }
.palace-insight { color: #718078; font-size: 9px; line-height: 1.45; border-top: 1px dashed var(--line); padding-top: 7px; margin-top: 7px; }
.direction-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.direction-card { padding: 10px; border: 1px solid var(--line); border-radius: 10px; }
.direction-card.good { border-color: rgba(127, 197, 161, 0.22); }
.direction-card.avoid { border-color: rgba(226, 146, 135, 0.18); }
.direction-card strong { display: block; font-size: 11px; margin-bottom: 5px; }
.direction-card.good strong { color: var(--jade); }
.direction-card.avoid strong { color: var(--danger); }
.direction-card p { color: var(--muted); font-size: 9px; line-height: 1.5; margin: 0; }

.liuren-plate { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; }
.plate-cell { border: 1px solid var(--line); border-radius: 9px; padding: 9px 5px; text-align: center; }
.plate-cell strong { display: block; color: var(--gold); font-family: "STKaiti", "KaiTi", serif; font-size: 17px; font-weight: 500; }
.plate-cell span { display: block; color: #a9b3ad; font-size: 9px; margin-top: 4px; }
.plate-cell small { display: block; color: #637069; font-size: 8px; margin-top: 3px; }
.lesson-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 7px; }
.lesson-card { border: 1px solid var(--line); border-radius: 10px; padding: 10px; }
.lesson-card > strong { display: block; color: var(--jade); font-size: 11px; margin-bottom: 8px; }
.lesson-pair { display: flex; justify-content: space-around; text-align: center; }
.lesson-pair div span { display: block; color: #67726b; font-size: 8px; }
.lesson-pair div b { display: block; font-family: "STKaiti", "KaiTi", serif; font-size: 18px; color: #e0e6e2; margin-top: 3px; font-weight: 500; }
.lesson-card p { color: var(--muted); font-size: 8px; line-height: 1.45; margin: 8px 0 0; }
.transmission-flow { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.transmission-card { position: relative; border: 1px solid rgba(127, 197, 161, 0.18); border-radius: 11px; padding: 13px; text-align: center; background: rgba(127, 197, 161, 0.035); }
.transmission-card:not(:last-child)::after { content: "→"; position: absolute; right: -15px; top: 50%; color: #4f5c54; }
.transmission-card span { display: block; color: var(--muted); font-size: 9px; }
.transmission-card b { display: block; font-family: "STKaiti", "KaiTi", serif; font-size: 23px; color: #e4eae6; margin: 7px 0; font-weight: 500; }
.transmission-card small { color: #748178; font-size: 8px; }

.hexagram-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.hexagram-card { border: 1px solid var(--line); border-radius: 11px; padding: 13px; text-align: center; }
.hexagram-card.main { border-color: rgba(127, 197, 161, 0.28); background: rgba(127, 197, 161, 0.035); }
.hexagram-card span { display: block; color: var(--muted); font-size: 9px; }
.hexagram-symbol { color: var(--gold) !important; font-size: 31px !important; margin: 10px 0 6px; font-family: serif; }
.hexagram-card strong { display: block; font-family: "STKaiti", "KaiTi", serif; font-size: 17px; font-weight: 500; }
.hexagram-card small { display: block; color: #6f7a73; font-size: 9px; margin-top: 7px; }
.tiyong-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.tiyong-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.tiyong-card span { display: block; color: var(--muted); font-size: 9px; }
.tiyong-card strong { display: block; color: #dce3df; font-size: 14px; margin-top: 5px; }
.yao-stack { display: flex; flex-direction: column; gap: 6px; max-width: 240px; margin: 0 auto; }
.yao-row { display: grid; grid-template-columns: 28px 1fr 48px; align-items: center; gap: 8px; color: var(--muted); font-size: 9px; }
.yao-line { display: flex; gap: 7px; height: 8px; }
.yao-line i { display: block; height: 8px; background: #bcc9c1; border-radius: 2px; flex: 1; }
.yao-line.yang { gap: 0; }
.yao-row.changing .yao-line i { background: var(--gold); }
.yao-row.changing { color: var(--gold); }
.analysis-list { display: grid; gap: 7px; }
.analysis-item { display: flex; justify-content: space-between; gap: 13px; border-bottom: 1px solid var(--line); padding-bottom: 7px; font-size: 10px; }
.analysis-item span { color: var(--muted); }
.analysis-item strong { color: #cbd5cf; text-align: right; font-weight: 500; }

.toast-region { position: fixed; z-index: 100; top: 18px; right: 18px; display: grid; gap: 9px; width: min(360px, calc(100vw - 36px)); }
.toast { border: 1px solid var(--line-strong); border-radius: 11px; background: #171d1a; box-shadow: var(--shadow); padding: 12px 14px; font-size: 12px; line-height: 1.55; animation: toast-in 220ms ease both; }
.toast.good { border-color: rgba(127, 197, 161, 0.35); }
.toast.bad { border-color: rgba(226, 146, 135, 0.38); color: #f0b1a9; }
@keyframes toast-in { from { opacity: 0; transform: translateX(15px); } }

@media (max-width: 1000px) {
  .knowledge-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
  .full-width { grid-column: auto; }
  .chart-workbench { grid-template-columns: 1fr; }
  .chart-controls { position: static; }
  .mobile-access-layout { grid-template-columns: 1fr; }
  .mobile-qr-box { width: 100%; }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; left: -250px; width: 235px; transition: left 180ms ease; box-shadow: var(--shadow); }
  .sidebar.open { left: 0; }
  .mobile-menu { display: block; }
  .topbar { height: 78px; padding: 0 16px; }
  .topbar .eyebrow { display: none; }
  .owner-chip span { display: none; }
  .page { padding: 18px 14px 30px; }
  .research-tabs { grid-template-columns: repeat(3, 1fr); gap: 7px; }
  .research-tab { display: grid; justify-items: center; gap: 6px; padding: 9px 4px; text-align: center; }
  .research-tab b { width: 32px; height: 32px; font-size: 17px; }
  .research-tab small { display: none; }
  .research-tab strong { font-size: 11px; }
  .chat-card { height: calc(100vh - 184px); min-height: 460px; }
  .messages { padding: 22px 14px; }
  .message { max-width: 94%; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .knowledge-grid { grid-template-columns: 1fr; }
  .panel { padding: 18px; }
  .knowledge-foot { align-items: flex-end; }
  .knowledge-actions { flex-wrap: wrap; justify-content: flex-end; }
  .chart-output-panel { min-height: 500px; }
  .chart-output-heading { display: grid; }
  .chart-output-heading .button-row { justify-content: flex-start; }
  .chart-metrics { grid-template-columns: repeat(2, 1fr); }
  .liuren-plate { grid-template-columns: repeat(4, 1fr); }
  .lesson-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .login-card { padding: 30px 24px; }
  .composer { grid-template-columns: 1fr; }
  .send-button { height: 44px; }
  .chat-card { height: calc(100vh - 180px); }
  .research-rule { display: none; }
  .form-pair { grid-template-columns: 1fr; }
  .qimen-palace { min-height: 145px; padding: 8px; }
  .palace-row { display: grid; gap: 2px; }
  .direction-grid { grid-template-columns: 1fr; }
  .hexagram-card { padding: 10px 5px; }
}