/* =============================================
   Survey Tool — Design System & Styles v2
   Concept: Clean white toolbar with brand green
   accent, inspired by admin backend aesthetic
   ============================================= */

/* ----- Design Tokens ----- */
:root {
  /* Light Toolbar — white with brand bottom accent */
  --toolbar-bg: #FFFFFF;
  --toolbar-border: #E8EAED;
  --toolbar-text: #5F6368;
  --toolbar-text-active: #0D7377;
  --toolbar-shadow: 0 1px 0 rgba(0,0,0,0.04);

  /* Light Workspace */
  --bg: #EDE9E2;
  --surface: #FFFFFF;
  --surface-hover: #F8F5F0;
  --surface-alt: #F0ECE5;

  /* Text */
  --text: #1A1D23;
  --text-secondary: #6B7280;
  --text-dim: #9CA3AF;

  /* Brand */
  --primary: #0D7377;
  --primary-light: rgba(13, 115, 119, 0.08);
  --primary-hover: #0B5E62;

  /* Accent */
  --accent: #D4855A;
  --accent-light: rgba(212, 133, 90, 0.10);
  --accent-hover: #C67548;

  /* Borders */
  --border: #DDD8D0;
  --border-light: #E8E4DE;

  /* Tags */
  --tag-blue: #4A90D9;
  --tag-purple: #8B7BC8;
  --tag-orange: #D4855A;

  /* States */
  --rose: #D4524A;
  --rose-light: rgba(212, 82, 74, 0.08);
  --rose-border: rgba(212, 82, 74, 0.20);
  --success: #3B8C5E;
  --success-light: rgba(59, 140, 94, 0.10);

  /* Shape */
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.08), 0 4px 8px rgba(0, 0, 0, 0.04);

  /* Sizing */
  --toolbar-h: 48px;

  /* Typography */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
  --trans: all .15s ease;

  /* Backward compat */
  --bg-deep: var(--bg);
  --bg-surface: var(--surface);
  --bg-card: var(--surface);
  --bg-input: var(--bg);
  --bg-hover: var(--surface-hover);
  --border-hover: var(--primary);
  --text-label: var(--text-secondary);
  --accent-bg: var(--primary-light);
}

/* ----- Dark Theme ----- */
[data-theme="dark"] {
  --toolbar-bg: #1A1D23;
  --toolbar-border: #2A2E35;
  --toolbar-text: #9A9FA8;
  --toolbar-text-active: #FFFFFF;
  --toolbar-shadow: 0 1px 0 rgba(255,255,255,0.06);

  --bg: #14171C;
  --surface: #1C1F26;
  --surface-hover: #242830;
  --surface-alt: #1A1D24;

  --text: #E0E2E6;
  --text-secondary: #8B9098;
  --text-dim: #5C6170;

  --primary: #1A9B9F;
  --primary-light: rgba(26, 155, 159, 0.12);
  --primary-hover: #26ADB1;

  --accent: #E8956A;
  --accent-light: rgba(232, 149, 106, 0.12);
  --accent-hover: #F0A57E;

  --border: #2C3038;
  --border-light: #262A32;

  --bg-card: var(--surface);
  --bg-input: #161920;
  --bg-hover: var(--surface-hover);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);

  --rose-light: rgba(212, 82, 74, 0.15);
  --rose-border: rgba(212, 82, 74, 0.30);
  --success-light: rgba(59, 140, 94, 0.15);

  --ind-ref-card: var(--surface);
  --accent-bg: var(--primary-light);
  --text-label: var(--text-secondary);
  --border-hover: var(--primary);
}

.panel.on { display: block; }
.panel.active { display: block; }

/* ----- Reset ----- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { height: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-dim); }

/* =============================================
   LOGIN — Clean Glass Design
   Bridges into the admin panel's aesthetic:
   white toolbar palette + system text color.
   ============================================= */
#loginScreen {
  display: flex;
  flex-direction: column;
  position: fixed; inset: 0;
  z-index: 300;
  align-items: center; justify-content: center;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(220, 200, 180, 0.15) 0%, transparent 55%),
    radial-gradient(ellipse at 70% 60%, rgba(210, 190, 170, 0.10) 0%, transparent 50%),
    linear-gradient(165deg, #F0EBE5 0%, #EDE7E0 50%, #E8E1D8 100%);
}
/* Login card — solid white */
#loginScreen .login-card {
  position: relative;
  background: #FFFFFF;
  border-radius: 24px;
  padding: 44px 38px 36px;
  width: 370px;
  max-width: 90%;
  border: 1px solid rgba(210, 200, 190, 0.25);
  box-shadow:
    0 2px 4px rgba(0,0,0,0.02),
    0 8px 24px rgba(0,0,0,0.05),
    0 20px 48px rgba(0,0,0,0.04);
}
#loginScreen .login-logo {
  position: relative;
  width: 52px; height: 52px;
  margin: 0 auto 20px;
  background: #0D7377;
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(13,115,119,0.18);
}
#loginScreen .login-logo svg {
  width: 26px; height: 26px;
  fill: none; stroke: #fff;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}
#loginScreen .login-title {
  position: relative;
  font-size: 20px; font-weight: 700;
  color: #1A1D23; text-align: center;
  margin-bottom: 4px;
  letter-spacing: 0.5px;
}
#loginScreen .login-subtitle {
  position: relative;
  font-size: 13px; color: rgba(80, 95, 110, 0.50);
  text-align: center; margin-bottom: 28px;
  letter-spacing: 0.3px;
}
/* Input fields */
#loginScreen .login-field { margin-bottom: 16px; }
#loginScreen .login-field label {
  display: block; font-size: 12px; font-weight: 600;
  color: rgba(80, 95, 110, 0.55); margin-bottom: 6px;
  letter-spacing: 0.3px;
}
#loginScreen .login-input-wrap {
  position: relative;
  display: flex; align-items: center;
}
#loginScreen .login-input-icon {
  position: absolute;
  left: 14px;
  width: 18px; height: 18px;
  color: rgba(130, 145, 160, 0.40);
  pointer-events: none;
  flex-shrink: 0;
  transition: color 0.2s ease;
}
#loginScreen .login-input-wrap input {
  width: 100%; padding: 11px 14px 11px 40px;
  font-size: 14px;
  font-family: var(--font);
  background: #F5F2EE;
  border: 1.5px solid #E5DED6;
  border-radius: 12px;
  color: #1A1D23;
  outline: none;
  transition: all 0.25s ease;
  box-sizing: border-box;
}
#loginScreen .login-input-wrap input:focus {
  border-color: #0D7377;
  background: #FFFFFF;
  box-shadow: 0 0 0 3px rgba(13,115,119,0.10);
}
#loginScreen .login-input-wrap:focus-within .login-input-icon {
  color: #0D7377;
}
#loginScreen .login-input-wrap input::placeholder {
  color: rgba(130, 145, 160, 0.38);
}
#loginScreen .login-remember {
  display: flex; align-items: center; gap: 7px;
  margin-bottom: 20px; font-size: 13px;
  color: rgba(80, 95, 110, 0.48); cursor: pointer;
  position: relative;
}
#loginScreen .login-remember input { accent-color: #0D7377; }
#loginScreen .login-btn {
  width: 100%; padding: 12px 0;
  background: #0D7377;
  color: #fff;
  border: none; border-radius: 12px;
  font-size: 15px; font-weight: 600;
  font-family: var(--font); cursor: pointer;
  transition: all 0.25s ease;
  letter-spacing: 4px;
  position: relative;
  box-shadow: 0 4px 16px rgba(13,115,119,0.22);
}
#loginScreen .login-btn:hover {
  background: #0B5E62;
  box-shadow: 0 6px 24px rgba(13,115,119,0.30);
  transform: translateY(-2px);
}
#loginScreen .login-btn:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(13,115,119,0.16);
}
#loginScreen .login-error {
  font-size: 13px; color: #D4524A;
  text-align: center; margin-top: 12px; min-height: 20px;
  position: relative;
}
#loginScreen .login-footer {
  position: absolute;
  bottom: 28px; left: 0; right: 0;
  text-align: center;
  font-size: 12px;
  color: rgba(130, 145, 160, 0.38);
  letter-spacing: 0.3px;
  pointer-events: none;
}


/* =============================================
   MAIN LAYOUT
   ============================================= */
#mainApp {
  display: none;
  height: 100vh;
  flex-direction: column;
}

/* ===== Top Toolbar ===== */
#toolbar {
  height: var(--toolbar-h);
  background: var(--toolbar-bg);
  display: flex;
  align-items: center;
  padding: 0 12px;
  flex-shrink: 0;
  gap: 2px;
  position: relative;
  z-index: 10;
  /* Bottom border: light line + brand accent stripe */
  border-bottom: 1px solid var(--toolbar-border);
}
/* Brand accent stripe below the border */
#toolbar::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, rgba(13,115,119,0.3) 100%);
  opacity: 0.7;
}
.toolbar-brand {
  display: flex; align-items: center; gap: 8px;
  padding-right: 12px;
  margin-right: 12px;
  border-right: 1px solid var(--toolbar-border);
  flex-shrink: 0;
}
.toolbar-brand .tb-icon {
  width: 26px; height: 26px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(13,115,119,0.25);
}
.toolbar-brand .tb-icon svg { width: 15px; height: 15px; fill: none; stroke: #fff; stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.toolbar-brand .tb-title {
  font-size: 13px; font-weight: 700;
  color: var(--text);
  letter-spacing: -0.3px;
}
.toolbar-right {
  margin-left: auto;
  display: flex; align-items: center; gap: 6px;
}

/* ===== Navigation Tabs ===== */
#toolTabs {
  display: flex;
  gap: 2px;
  flex: 1;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 0 4px;
}
.tool-tab {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  background: transparent;
  border: none;
  border-radius: 6px 6px 0 0;
  color: var(--toolbar-text);
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font);
  cursor: pointer;
  transition: var(--trans);
  white-space: nowrap;
  flex-shrink: 0;
  position: relative;
}
.tool-tab:hover {
  background: #F0F5F5;
  color: var(--primary);
}
.tool-tab.active {
  color: var(--primary);
  font-weight: 600;
  background: rgba(13,115,119,0.08);
  box-shadow: inset 0 -1px 0 rgba(13,115,119,0.15);
}
.tool-tab .tab-icon { display: flex; align-items: center; width: 16px; height: 16px; opacity: 0.65; }
.tool-tab.active .tab-icon { opacity: 1; }
.tool-tab .tab-icon svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
/* 管理员标签由 JS 控制显隐 */

/* User (in dark toolbar) */
#hUserBtn {
  display: flex;
  align-items: center; gap: 6px;
  cursor: pointer;
  padding: 4px 8px 4px 4px;
  border-radius: 6px;
  transition: var(--trans);
  flex-shrink: 0;
}
#hUserBtn:hover { background: var(--primary-light); }
#hAvatar {
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 700; color: #fff;
  flex-shrink: 0;
  box-shadow: 0 1px 3px rgba(13,115,119,0.2);
}
#hUser { font-size: 12px; font-weight: 500; color: var(--text); }
#hRole {
  font-size: 10px; color: var(--primary);
  padding: 1px 6px; background: var(--primary-light);
  border-radius: 4px;
}
#hUserMenu {
  display: none;
  position: absolute; top: 38px; right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px; min-width: 150px;
  z-index: 100;
  box-shadow: var(--shadow-lg);
}
.hmenu-item {
  padding: 8px 12px; font-size: 12px;
  color: var(--text); cursor: pointer;
  border-radius: 6px; transition: background .1s;
  white-space: nowrap;
}
.hmenu-item:hover { background: var(--surface-hover); }
.hmenu-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* Content Area */
.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
}
.panel { display: none; }
.panel.active { display: block; }

/* =============================================
   CARDS
   ============================================= */
.crd {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.crd-tt {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding-bottom: 10px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* =============================================
   FORMS
   ============================================= */
.fgrd { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.fld { display: flex; flex-direction: column; gap: 4px; }
.fld label { font-size: 11px; color: var(--text-secondary); font-weight: 600; letter-spacing: 0.3px; }
.fld input, .fld select, .fld textarea {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  transition: var(--trans);
  font-family: var(--font);
}
.fld input::placeholder { color: var(--text-dim); }
.fld input:focus, .fld select:focus, .fld textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}
.fld textarea { resize: vertical; min-height: 60px; }
.fld select { cursor: pointer; }

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  padding: 7px 16px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--trans);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font);
  line-height: 1.4;
}
.btn-p { background: var(--primary); color: #fff; }
.btn-p:hover { background: var(--primary-hover); }
.btn-o { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-o:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: 4px 11px; font-size: 11px; }
.btn-xs { padding: 2px 7px; font-size: 11px; border-radius: var(--radius-xs); }
.btn-r { background: var(--rose-light); border: 1px solid var(--rose-border); color: var(--rose); }
.btn-r:hover { background: var(--rose); color: #fff; border-color: var(--rose); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.act-bar { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

/* Legacy tabs */
.tabs { display: flex; background: var(--surface); border-bottom: 1px solid var(--border); padding: 0 20px; gap: 0; }
.tab { padding: 10px 18px; background: none; border: none; color: var(--text-dim); font-size: 13px; font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent; transition: var(--trans); font-family: var(--font); white-space: nowrap; }
.tab:hover { color: var(--text-secondary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* =============================================
   MODAL
   ============================================= */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(26, 29, 35, 0.50);
  backdrop-filter: blur(2px);
  z-index: 100;
  justify-content: center; align-items: center;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  width: 90%;
  max-width: 520px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-box input, .modal-box select, .modal-box textarea {
  width: 100%; padding: 8px 11px; font-size: 13px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text);
  font-family: var(--font); outline: none;
}
.modal-box input:focus, .modal-box select:focus, .modal-box textarea:focus { border-color: var(--primary); }

/* =============================================
   TOAST
   ============================================= */
.toast {
  display: none;
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  background: var(--text);
  color: #fff;
  border-radius: var(--radius-sm);
  padding: 9px 22px;
  font-size: 13px;
  z-index: 200;
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
  font-weight: 500;
}
.toast.show { display: block; }

/* =============================================
   EMPTY STATE
   ============================================= */
.empty { text-align: center; padding: 48px 16px; color: var(--text-dim); }
.empty .eicon { font-size: 36px; margin-bottom: 8px; opacity: 0.4; }
.empty p { font-size: 14px; }

/* =============================================
   PERSONA CARDS
   ============================================= */
.pclist { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; min-height: 50px; align-content: start; }
@media (max-width: 1200px) { .pclist { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .pclist { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .pclist { grid-template-columns: 1fr; } }
.pcard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--trans), border-color var(--trans);
  animation: cardIn .35s ease;
}
.pcard:hover { box-shadow: var(--shadow-md); border-color: var(--primary); }
.pcard.dragging { opacity: 0.35; border-style: dashed; border-color: var(--primary); box-shadow: var(--shadow-lg); transform: scale(0.92); cursor: grabbing; }
/* Smooth slide gap — card shifts to make room */
.pcard.magnet-top { transform: translateY(54px); transition: transform .15s ease; }
.pcard.magnet-bot { transform: translateY(-54px); transition: transform .15s ease; }
.pcard.magnet-bot { margin-bottom: 52px; transition: margin .12s ease; }
@keyframes cardIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
/* Card header */
.pcard .pch { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--border-light); }
.pcard .pch-left { display: flex; align-items: center; gap: 6px; overflow: hidden; }
.pcard .pcard-num { font-size: 11px; color: var(--text-dim); font-weight: 500; flex-shrink: 0; user-select: none; }
.pcard .pch-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.pcard .pcode { font-size: 10px; background: var(--primary-light); color: var(--primary); padding: 2px 8px; border-radius: 100px; font-weight: 600; white-space: nowrap; }
.pcard .pcode.pcode-type { background: var(--accent-light); color: var(--accent); }
.pcard .pcard-time { font-size: 10px; color: var(--text-dim); white-space: nowrap; }
.pcard .pcact { display: flex; gap: 4px; }
.pcard .pcact .btn { padding: 2px 8px; font-size: 10px; border-radius: 4px; }
.pcard .pcbody { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2px 20px; }
@media (max-width: 960px) { .pcard .pcbody { grid-template-columns: repeat(2, 1fr); } }
.pcard .pci { display: flex; flex-direction: column; gap: 2px; padding: 6px 0; }
.pcard .pci .pk { font-size: 11px; color: var(--text-dim); font-weight: 500; letter-spacing: 0.3px; }
.pcard .pci .pv { font-size: 14px; font-weight: 500; color: var(--text); }
.pcard .divider { grid-column: 1 / -1; border: none; border-top: 1px solid var(--border-light); margin: 2px 0; }

/* Factor Tags */
.ftags { display: flex; flex-wrap: wrap; gap: 6px; grid-column: 1 / -1; padding-top: 2px; }
.ftag { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; line-height: 1.6; }
.ftag-a { background: var(--primary-light); color: var(--primary); border: 1px solid rgba(13,115,119,0.15); }
.ftag-s { background: rgba(74,144,217,0.08); color: var(--tag-blue); border: 1px solid rgba(74,144,217,0.12); }
.ftag-p { background: rgba(139,123,200,0.08); color: var(--tag-purple); border: 1px solid rgba(139,123,200,0.12); }
.ftag-pn { background: var(--accent-light); color: var(--accent); border: 1px solid rgba(212,133,90,0.15); }
.ftag-c { background: rgba(107,114,128,0.08); color: var(--text-secondary); border: 1px solid rgba(107,114,128,0.12); }

/* Chips */
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
.chip { display: inline-block; font-size: 11px; padding: 4px 10px; border-radius: 14px; border: 1px solid var(--border); color: var(--text-dim); cursor: pointer; user-select: none; transition: var(--trans); font-family: var(--font); white-space: nowrap; }
.chip.active { background: var(--primary-light); color: var(--primary); border-color: var(--primary); font-weight: 600; }
.chip:hover:not(.active) { border-color: var(--border); color: var(--text-secondary); }
.pgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 10px; }

/* =============================================
   INDUSTRY REFERENCE (核心功能)
   ============================================= */
.igrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: 10px; }
.icard {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  cursor: pointer;
  transition: var(--trans);
  display: flex; flex-direction: column; gap: 10px;
  box-shadow: var(--shadow-sm);
}
.icard:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
.icard .it { font-size: 14px; font-weight: 700; color: var(--text); }
.icard .id { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.icard .ibadge { font-size: 10px; padding: 2px 8px; border-radius: 10px; background: var(--primary-light); color: var(--primary); font-weight: 600; flex-shrink: 0; }

/* Industry Detail */
.ind-detail { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; animation: cardIn .3s ease; box-shadow: var(--shadow); }
.ind-detail-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.ind-detail-header .ind-name { font-size: 16px; font-weight: 700; color: var(--text); }
.ind-detail-header .ind-badge { font-size: 10px; padding: 3px 10px; border-radius: 10px; background: var(--primary-light); color: var(--primary); font-weight: 600; }
.ind-detail-tabs { display: flex; border-bottom: 1px solid var(--border-light); padding: 0 16px; gap: 0; flex-wrap: wrap; background: var(--surface-hover); }
.ind-detail-tab { padding: 10px 16px; background: none; border: none; color: var(--text-dim); font-size: 12px; font-weight: 500; cursor: pointer; border-bottom: 2px solid transparent; transition: var(--trans); font-family: var(--font); }
.ind-detail-tab:hover { color: var(--text-secondary); }
.ind-detail-tab.active { color: var(--primary); border-bottom-color: var(--primary); }
.ind-detail-body { padding: 20px; max-height: 500px; overflow-y: auto; }
.ind-tpl-group { margin-bottom: 18px; }
.ind-tpl-group .itg-title { font-size: 12px; font-weight: 600; color: var(--primary); margin-bottom: 8px; padding-left: 4px; }
.ind-tpl-group .itg-item { padding: 10px 14px; margin-bottom: 5px; background: var(--bg); border: 1px solid var(--border-light); border-radius: var(--radius-sm); font-size: 13px; color: var(--text); line-height: 1.7; transition: border-color var(--trans); }
.ind-tpl-group .itg-item:hover { border-color: var(--primary); }
.ind-tpl-group .itg-item .qid { color: var(--primary); font-weight: 600; margin-right: 6px; }
.ind-tpl-group .itg-item .qtype-tag { font-size: 10px; padding: 1px 6px; border-radius: 4px; margin-left: 6px; background: var(--surface-alt); color: var(--text-dim); }
.ind-quota-tbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.ind-quota-tbl th, .ind-quota-tbl td { padding: 8px 12px; border-bottom: 1px solid var(--border-light); text-align: left; }
.ind-quota-tbl th { background: var(--surface-hover); color: var(--text-secondary); font-weight: 600; font-size: 11px; }
.ind-info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 860px) { .ind-info-grid { grid-template-columns: 1fr; } }
.ind-info-item { background: var(--bg); border: 1px solid var(--border-light); border-radius: var(--radius-sm); padding: 14px; }
.ind-info-item .ii-label { font-size: 11px; color: var(--text-dim); letter-spacing: 0.3px; margin-bottom: 6px; }
.ind-info-item .ii-value { font-size: 13px; color: var(--text); line-height: 1.7; }
.ind-pitfall { display: flex; gap: 8px; padding: 10px 14px; margin-bottom: 6px; background: var(--rose-light); border: 1px solid var(--rose-border); border-radius: var(--radius-sm); font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.ind-pitfall .pf-num { color: var(--rose); font-weight: 700; flex-shrink: 0; }

/* =============================================
   AI CHAT
   ============================================= */
.ai-msg { display: flex; gap: 10px; max-width: 85%; }
.ai-msg.user { align-self: flex-end; flex-direction: row-reverse; }
.ai-msg.ai { align-self: flex-start; }
.ai-avatar { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0; }
.ai-msg.user .ai-avatar { background: var(--primary-light); color: var(--primary); }
.ai-msg.ai .ai-avatar { background: var(--accent-light); color: var(--accent); }
.ai-bubble { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; line-height: 1.7; white-space: pre-wrap; word-break: break-word; }
.ai-msg.user .ai-bubble { background: var(--primary); color: #fff; border-bottom-right-radius: 2px; }
.ai-msg.ai .ai-bubble { background: var(--bg); border: 1px solid var(--border-light); border-bottom-left-radius: 2px; color: var(--text); }

/* =============================================
   REGION
   ============================================= */
.rgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; margin-bottom: 16px; }
.rcard { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; cursor: pointer; transition: var(--trans); text-align: center; box-shadow: var(--shadow-sm); }
.rcard:hover { border-color: var(--primary); }
.rcard .rn { font-size: 14px; font-weight: 700; color: var(--text); }
.rcard .rc { font-size: 11px; color: var(--text-dim); margin-top: 3px; }
.tsect { margin-bottom: 18px; }
.thdr { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 8px; padding: 6px 12px; background: var(--surface-hover); border-radius: 6px; display: flex; align-items: center; gap: 8px; border-left: 3px solid var(--primary); }
.thdr .tcount { font-size: 11px; font-weight: 400; color: var(--text-dim); margin-left: auto; }
.cgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 6px; margin-bottom: 6px; }
.ccard { background: var(--surface); border: 1px solid var(--border-light); border-radius: 7px; padding: 10px 12px; cursor: pointer; transition: var(--trans); font-size: 13px; font-weight: 500; color: var(--text); display: flex; flex-direction: column; gap: 3px; box-shadow: var(--shadow-sm); }
.ccard:hover { border-color: var(--primary); box-shadow: 0 2px 8px rgba(13,115,119,0.1); transform: translateY(-1px); }
.ccard:active { transform: translateY(0); background: var(--primary-light); }
.ccard .cprov { font-size: 10px; font-weight: 400; color: var(--text-dim); }
.ptbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.ptbl th, .ptbl td { padding: 8px 10px; border-bottom: 1px solid var(--border); }
.ptbl th { background: var(--surface-hover); color: var(--text-secondary); font-weight: 600; text-align: left; }
.dcard { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 14px; cursor: pointer; transition: var(--trans); text-align: center; }
.dcard:hover { border-color: var(--accent); box-shadow: var(--shadow-md); }
.bcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-dim); margin-bottom: 14px; padding: 8px 12px; background: var(--surface); border: 1px solid var(--border-light); border-radius: 8px; }
.bcrumb span { cursor: pointer; transition: var(--trans); }
.bcrumb span:hover { color: var(--primary); }
.bcrumb .sep { color: var(--border); font-weight: 300; }
.bcrumb .cur { color: var(--text); font-weight: 600; }

/* =============================================
   STATS
   ============================================= */
.sgrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.sbox { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); }
.sbox .st { font-size: 11px; color: var(--text-dim); margin-bottom: 10px; font-weight: 600; letter-spacing: 0.3px; }
.brow { display: flex; align-items: center; gap: 7px; margin-bottom: 6px; }
.brow .bl { font-size: 11px; color: var(--text-dim); min-width: 50px; }
.brow .bar { flex: 1; height: 5px; background: var(--surface-alt); border-radius: 3px; overflow: hidden; }
.brow .barf { height: 100%; background: var(--primary); border-radius: 3px; transition: .3s; }
.brow .bn { font-size: 11px; color: var(--text); min-width: 55px; text-align: right; font-weight: 600; }

/* =============================================
   WORKSHOP (题目库)
   ============================================= */
.ws-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px 16px; cursor: pointer; transition: all .2s; margin-bottom: 6px; box-shadow: var(--shadow-sm); }
.ws-card:hover { border-color: var(--primary); background: var(--surface-hover); }
.ws-card.active { border-color: var(--primary); background: var(--primary-light); }
.ws-card .ws-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.ws-card .ws-meta { display: flex; gap: 10px; font-size: 11px; color: var(--text-dim); align-items: center; }
.ws-badge { display: inline-block; font-size: 10px; font-weight: 600; padding: 2px 8px; border-radius: 100px; }
.ws-badge.draft { background: var(--surface-alt); color: var(--text-dim); }
.ws-badge.active { background: var(--primary-light); color: var(--primary); }
.ws-badge.completed { background: var(--success-light); color: var(--success); }
.ws-detail { padding: 0; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.ws-detail .ws-header { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border); }
.ws-detail .ws-header h3 { font-size: 16px; font-weight: 700; color: var(--text); margin: 0; flex: 1; }
.ws-detail .ws-info { display: flex; gap: 16px; font-size: 12px; color: var(--text-dim); margin-bottom: 16px; flex-wrap: wrap; }
.ws-detail .ws-info span { display: flex; align-items: center; gap: 4px; }
.ws-qsection { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 14px; }
.ws-qheader { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.ws-qheader .ws-qlbl { font-size: 13px; font-weight: 700; color: var(--text); }
.ws-qheader .ws-qcount { font-size: 11px; color: var(--text-dim); }
.ws-qheader .ws-qactions { margin-left: auto; display: flex; gap: 6px; }
.ws-qitem { display: flex; align-items: center; gap: 10px; padding: 10px 14px; background: var(--surface); border: 1px solid var(--border-light); border-radius: 8px; cursor: pointer; transition: all .2s; margin-bottom: 6px; }
.ws-qitem:hover { border-color: var(--primary); }
.ws-qitem .ws-qt { font-size: 10px; font-weight: 600; color: var(--primary); background: var(--primary-light); padding: 2px 8px; border-radius: 4px; white-space: nowrap; }
.ws-qitem .ws-qtl { flex: 1; font-size: 13px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ws-qitem .ws-qdate { font-size: 10px; color: var(--text-dim); white-space: nowrap; }
.ws-gen-form { max-width: 480px; }
.wgf-row { margin-bottom: 12px; }
.wgf-row label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.wgf-row input, .wgf-row select, .wgf-row textarea { width: 100%; padding: 9px 12px; font-size: 13px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); font-family: var(--font); outline: none; }
.wgf-row input:focus, .wgf-row select:focus, .wgf-row textarea:focus { border-color: var(--primary); }

/* QB Tags */
.qb-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 4px; }
.qb-tag { font-size: 10px; padding: 2px 8px; border-radius: 10px; background: var(--primary-light); color: var(--primary); font-weight: 500; cursor: pointer; }
.qb-tag:hover { background: rgba(13,115,119,0.18); }

/* =============================================
   IP DETECT
   ============================================= */
.ip-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow-sm); transition: border-color .2s; }
.ip-card:hover { border-color: var(--border); }
.ip-lbl { font-size: 11px; color: var(--text-dim); margin-bottom: 4px; letter-spacing: 0.3px; }
.ip-val { font-size: 15px; font-weight: 600; color: var(--text); }
.ip-quick { display: inline-block; padding: 6px 14px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm); font-size: 12px; color: var(--text-secondary); cursor: pointer; font-family: var(--font-mono); transition: all .2s; }
.ip-quick:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }

/* =============================================
   HELP
   ============================================= */

.help-nav-section {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 8px;
  cursor: pointer;
  transition: all .15s;
  margin-bottom: 2px;
  -webkit-user-select: none;
  user-select: none;
}
.help-nav-section:hover { background: var(--surface-hover); color: var(--text); }
.help-nav-section.active { background: var(--primary-light); color: var(--primary); }
/* Dashboard cards */
.dash-card { display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:all .2s; }
.dash-card:hover { box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-1px); }
.dash-icon { font-size:28px;line-height:1;flex-shrink:0;width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);border-radius:12px; }
.dash-title { font-size:14px;font-weight:600;color:var(--text);margin-bottom:2px; }
.dash-desc { font-size:12px;color:var(--text-secondary);line-height:1.4; }

.help-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 16px; overflow: hidden; box-shadow: var(--shadow-sm); transition: box-shadow 0.2s; }
.help-card:hover { box-shadow: var(--shadow-md); }
.help-h { font-size: 15px; font-weight: 700; color: var(--text); padding: 16px 20px; background: var(--surface); border-bottom: 1px solid var(--border); }
.help-body { padding: 16px 20px 20px; font-size: 13px; color: var(--text-secondary); line-height: 1.9; }
.help-body p { margin: 0 0 10px; }
.help-body p:last-child { margin: 0; }
.help-body ol, .help-body ul { margin: 0 0 10px; padding-left: 20px; }
.help-body li { margin-bottom: 6px; }
.help-body strong { color: var(--text); font-weight: 600; }
.help-body .h-section { margin-bottom: 12px; }
.help-body .h-section:last-child { margin-bottom: 0; }
.help-body .h-section-label { font-size: 12px; font-weight: 700; color: var(--text); margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.help-body .h-tag { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 100px; font-weight: 600; margin-right: 4px; }
.help-body .h-tag-green { background: rgba(76,175,80,0.1); color: #2e7d32; }
.help-body .h-tag-orange { background: rgba(255,152,0,0.1); color: #e65100; }
.help-body .h-tag-blue { background: rgba(33,150,243,0.1); color: #1565c0; }
.help-body .h-tag-purple { background: rgba(156,39,176,0.1); color: #7b1fa2; }
.help-grid { display: flex; flex-direction: column; gap: 0; }

/* =============================================
   AI QUICK ACTIONS
   ============================================= */
.ai-quick { display: flex; gap: 5px; flex-wrap: wrap; padding: 6px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
.ai-quick .btn { font-size: 11px; padding: 4px 10px; }

/* -- Reference sections (题库 left panel) -- */
.ref-section { margin-bottom: 10px; padding: 10px 12px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; }
.ref-label { font-size: 11px; font-weight: 700; margin-bottom: 6px; letter-spacing: .3px; }
.ref-body { font-size: 12px; line-height: 1.7; }


/* -- Industry card hover delete -- */


/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
  .content-area { padding: 14px 16px; }
  #toolbar { padding: 0 10px; }
  .toolbar-brand .tb-title { display: none; }
  .toolbar-brand { border-right: none; padding-right: 8px; }
  .tool-tab { padding: 6px 8px; font-size: 11px; }
  .tool-tab .tab-label { display: none; }
  #hUser { display: none; }
  .pgrid { grid-template-columns: 1fr; }
  .igrid { grid-template-columns: 1fr; }
  .fgrd { grid-template-columns: 1fr; }
}