/* TrialDataX Next — Design System
   Deliberate, restrained, editorial. No random gradients or glassmorphism.
   Dark mode is the default; light mode is a proper alternate, not an afterthought. */

:root {
  /* LIGHT */
  --bg:            #FAFAF9;
  --surface:       #FFFFFF;
  --surface-2:     #F4F4F5;
  --surface-3:     #E4E4E7;
  --border:        #E4E4E7;
  --border-strong: #D4D4D8;

  --text:          #09090B;
  --text-2:        #3F3F46;
  --text-3:        #71717A;
  --text-4:        #A1A1AA;

  --accent:        #2563EB;
  --accent-2:      #1D4ED8;
  --accent-soft:   #DBEAFE;
  --accent-ink:    #1E3A8A;

  --success:       #059669;
  --success-soft:  #D1FAE5;
  --warning:       #D97706;
  --warning-soft:  #FEF3C7;
  --danger:        #DC2626;
  --danger-soft:   #FEE2E2;
  --violet:        #7C3AED;
  --violet-soft:   #EDE9FE;

  --radius:   8px;
  --radius-sm: 6px;
  --radius-lg: 12px;

  --shadow-sm: 0 1px 2px rgba(9,9,11,0.04), 0 1px 3px rgba(9,9,11,0.04);
  --shadow:    0 2px 4px rgba(9,9,11,0.04), 0 8px 16px rgba(9,9,11,0.06);
  --shadow-lg: 0 12px 32px rgba(9,9,11,0.10);

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;

  --sidebar-w: 248px;
  --topbar-h: 56px;
}

html.dark {
  --bg:            #0A0A0B;
  --surface:       #111113;
  --surface-2:     #18181B;
  --surface-3:     #27272A;
  --border:        #27272A;
  --border-strong: #3F3F46;

  --text:          #FAFAFA;
  --text-2:        #D4D4D8;
  --text-3:        #A1A1AA;
  --text-4:        #71717A;

  --accent:        #3B82F6;
  --accent-2:      #60A5FA;
  --accent-soft:   #1E3A8A;
  --accent-ink:    #DBEAFE;

  --success-soft:  #064E3B;
  --warning-soft:  #78350F;
  --danger-soft:   #7F1D1D;
  --violet-soft:   #4C1D95;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
  --shadow:    0 4px 12px rgba(0,0,0,0.35);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; height: 100%; }
body {
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ------------------- SIDEBAR ------------------- */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 18px 10px 10px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 0 8px 18px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #fff; border-radius: 8px;
  font-weight: 700; font-size: 13px; letter-spacing: -0.02em;
}
.brand-name { font-weight: 700; font-size: 14px; letter-spacing: -0.01em; }
.brand-sub  { font-size: 11px; color: var(--text-3); margin-top: 1px; }

.nav { flex: 1; display: flex; flex-direction: column; gap: 14px; }
.nav-section { display: flex; flex-direction: column; gap: 1px; }
.nav-section-title {
  font-size: 10.5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-4); padding: 6px 10px; margin-bottom: 2px;
}
.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text-2); text-decoration: none; font-size: 13.5px; font-weight: 500;
  transition: background 120ms, color 120ms;
}
.nav-link .ico { color: var(--text-3); transition: color 120ms; }
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link:hover .ico { color: var(--text); }
.nav-link.active {
  background: var(--accent-soft); color: var(--accent-ink); font-weight: 600;
}
html.dark .nav-link.active { background: var(--surface-3); color: var(--text); }
.nav-link.active .ico { color: var(--accent); }
.pill {
  margin-left: auto; font-size: 9px; font-weight: 700; letter-spacing: 0.05em;
  background: var(--violet); color: #fff; padding: 1px 6px; border-radius: 10px; text-transform: uppercase;
}

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 10px; }
.btn-link { width: 100%; text-align: left; background: none; border: 0; padding: 8px 10px; color: var(--text-3); font: inherit; font-size: 12px; cursor: pointer; border-radius: var(--radius-sm); }
.btn-link:hover { background: var(--surface-2); color: var(--text); }
.user { font-size: 11px; color: var(--text-4); padding: 6px 10px; font-family: var(--mono); }

/* ------------------- MAIN + TOPBAR ------------------- */
.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 20;
  height: var(--topbar-h);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
}
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 10px; }
.crumbs { font-size: 13px; color: var(--text-2); font-weight: 500; }
.crumbs b { color: var(--text); font-weight: 600; }
.crumbs .sep { color: var(--text-4); margin: 0 6px; }

.search-trigger {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--border); color: var(--text-3);
  padding: 6px 10px 6px 12px; border-radius: var(--radius-sm);
  font: inherit; font-size: 12.5px; cursor: pointer; min-width: 280px;
  transition: border-color 120ms;
}
.search-trigger:hover { border-color: var(--border-strong); color: var(--text-2); }
.search-trigger kbd {
  margin-left: auto; font-family: var(--mono); font-size: 10px;
  background: var(--surface-2); border: 1px solid var(--border); color: var(--text-3);
  padding: 1px 6px; border-radius: 4px;
}

.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; background: transparent; border: 0; border-radius: var(--radius-sm);
  color: var(--text-2); cursor: pointer; text-decoration: none;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.only-mobile { display: none; }

.avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--violet));
  color: #fff; display: grid; place-items: center;
  font-weight: 600; font-size: 12px;
}

/* ------------------- CONTENT ------------------- */
.content { padding: 28px 28px 80px; max-width: 1400px; width: 100%; margin: 0 auto; }
.page-title { font-size: 22px; font-weight: 600; letter-spacing: -0.02em; margin: 0 0 4px; }
.page-sub { color: var(--text-3); font-size: 13px; margin: 0 0 24px; }

.row { display: flex; align-items: center; gap: 10px; }
.grow { flex: 1; }

/* ------------------- CARDS ------------------- */
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-title { font-weight: 600; font-size: 13.5px; letter-spacing: -0.005em; }
.card-body { padding: 18px; }

/* KPI tiles */
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 24px; }
.kpi {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; position: relative; overflow: hidden;
  transition: border-color 120ms, transform 200ms;
}
.kpi:hover { border-color: var(--border-strong); }
.kpi-label { font-size: 11.5px; color: var(--text-3); font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }
.kpi-value { font-size: 28px; font-weight: 700; letter-spacing: -0.03em; margin-top: 4px; }
.kpi-sub   { font-size: 12px; color: var(--text-3); margin-top: 6px; }
.kpi-delta { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 500; padding: 2px 8px; border-radius: 12px; }
.kpi-delta.up   { background: var(--success-soft); color: var(--success); }
.kpi-delta.down { background: var(--danger-soft);  color: var(--danger); }
.kpi-spark { position: absolute; right: 0; bottom: 0; width: 120px; height: 44px; opacity: 0.55; pointer-events: none; }

/* Two-col grid */
.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 1100px) { .grid-2 { grid-template-columns: 1fr; } .grid-3 { grid-template-columns: 1fr; } .kpis { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px)  { body { grid-template-columns: 1fr; } .sidebar { position: fixed; left: -260px; transition: left 200ms; z-index: 50; } .sidebar.open { left: 0; } .only-mobile { display: inline-flex; } .kpis { grid-template-columns: 1fr; } .content { padding: 18px; } }

/* ------------------- TABLES ------------------- */
.table { width: 100%; border-collapse: separate; border-spacing: 0; font-size: 13px; }
.table thead th {
  text-align: left; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-3); padding: 10px 16px; border-bottom: 1px solid var(--border); background: var(--surface);
  position: sticky; top: 0;
}
.table tbody td {
  padding: 12px 16px; border-bottom: 1px solid var(--border); color: var(--text);
}
.table tbody tr:hover { background: var(--surface-2); }
.table tbody tr { cursor: pointer; }
.table .num  { font-variant-numeric: tabular-nums; font-family: var(--mono); font-size: 12.5px; }
.table .mut  { color: var(--text-3); }

/* ------------------- BADGES / CHIPS ------------------- */
.chip { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 500; padding: 2px 8px; border-radius: 12px; background: var(--surface-2); color: var(--text-2); }
.chip.good { background: var(--success-soft); color: var(--success); }
.chip.warn { background: var(--warning-soft); color: var(--warning); }
.chip.bad  { background: var(--danger-soft);  color: var(--danger); }
.chip.info { background: var(--accent-soft);  color: var(--accent-ink); }
.chip.vio  { background: var(--violet-soft);  color: var(--violet); }
html.dark .chip.good { color: #6EE7B7; }
html.dark .chip.warn { color: #FCD34D; }
html.dark .chip.bad  { color: #FCA5A5; }
html.dark .chip.info { color: #BFDBFE; }
html.dark .chip.vio  { color: #DDD6FE; }

/* ------------------- BUTTONS ------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 13px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--surface); color: var(--text); font: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer; transition: background 120ms, border-color 120ms;
}
.btn:hover { background: var(--surface-2); border-color: var(--border-strong); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--text-2); }
.btn.ghost:hover { background: var(--surface-2); color: var(--text); }
.btn.sm { padding: 4px 9px; font-size: 12px; }

/* ------------------- COMMAND PALETTE ------------------- */
.palette-back {
  position: fixed; inset: 0; background: rgba(9,9,11,0.6); backdrop-filter: blur(4px);
  display: none; align-items: flex-start; justify-content: center; padding-top: 12vh; z-index: 200;
}
.palette-back.open { display: flex; }
.palette {
  width: 640px; max-width: 90vw; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden;
}
.palette-input-row { display: flex; align-items: center; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.palette-input-row .ico { color: var(--text-3); }
.palette-input-row input { flex: 1; background: transparent; border: 0; outline: 0; font: inherit; font-size: 15px; color: var(--text); }
.palette-input-row kbd { font-family: var(--mono); font-size: 10px; background: var(--surface-2); border: 1px solid var(--border); color: var(--text-3); padding: 2px 6px; border-radius: 4px; }
.palette-results { max-height: 60vh; overflow-y: auto; }
.palette-group { padding: 6px 8px; }
.palette-group-title { font-size: 10.5px; font-weight: 600; color: var(--text-4); text-transform: uppercase; letter-spacing: 0.08em; padding: 6px 10px; }
.palette-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); cursor: pointer; font-size: 13px; color: var(--text); }
.palette-item:hover, .palette-item.active { background: var(--surface-2); }
.palette-item .ico { color: var(--text-3); }
.palette-item .hint { margin-left: auto; font-size: 11px; color: var(--text-4); }

/* ------------------- TOAST ------------------- */
.toast {
  position: fixed; bottom: 24px; right: 24px; background: var(--text); color: var(--bg);
  padding: 10px 16px; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  font-size: 13px; opacity: 0; transform: translateY(8px); transition: all 160ms; z-index: 300;
}
.toast.show { opacity: 1; transform: translateY(0); }

/* ------------------- SKELETON ------------------- */
.skeleton { height: 600px; background: linear-gradient(90deg, var(--surface-2), var(--surface), var(--surface-2)); background-size: 200% 100%; animation: shimmer 1.6s infinite; border-radius: var(--radius); }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ------------------- MISC ------------------- */
.mono { font-family: var(--mono); font-size: 12.5px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 14px; }
.section-head h2 { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -0.01em; }
.section-head p  { margin: 2px 0 0; font-size: 12px; color: var(--text-3); }
.divider { height: 1px; background: var(--border); margin: 24px 0; }
.empty { padding: 40px 16px; text-align: center; color: var(--text-3); font-size: 13px; }

.ico { display: inline-flex; width: 16px; height: 16px; flex: none; }
.ico svg { width: 100%; height: 100%; stroke-width: 1.75; }

/* Agents chat (reuse on /next/ agents view) */
.agent-layout { display: grid; grid-template-columns: 280px 1fr 320px; gap: 14px; height: calc(100vh - var(--topbar-h) - 60px); }
.agent-col { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; min-height: 0; }
.agent-col > header { padding: 12px 14px; border-bottom: 1px solid var(--border); font-weight: 600; font-size: 13px; display: flex; align-items: center; justify-content: space-between; }
.conv { flex: 1; overflow: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { padding: 10px 13px; border-radius: var(--radius); max-width: 90%; font-size: 13px; line-height: 1.55; white-space: pre-wrap; word-wrap: break-word; }
.msg.user  { align-self: flex-end; background: var(--accent); color: #fff; }
.msg.asst  { align-self: flex-start; background: var(--surface-2); border: 1px solid var(--border); }
.msg.tool  { align-self: flex-start; background: var(--violet-soft); border: 1px solid transparent; color: var(--violet); font-family: var(--mono); font-size: 11.5px; max-width: 96%; }
html.dark .msg.tool { color: #DDD6FE; }
.composer { border-top: 1px solid var(--border); padding: 10px; display: flex; gap: 8px; }
.composer textarea { flex: 1; background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; font: inherit; font-size: 13px; color: var(--text); resize: none; min-height: 44px; max-height: 160px; }
.composer textarea:focus { outline: none; border-color: var(--accent); }

.persona { padding: 10px 12px; border-radius: var(--radius-sm); cursor: pointer; margin-bottom: 4px; }
.persona:hover { background: var(--surface-2); }
.persona.active { background: var(--accent-soft); }
html.dark .persona.active { background: var(--surface-3); }
.persona .label { font-weight: 600; font-size: 13px; }
.persona .mission { font-size: 11px; color: var(--text-3); margin-top: 2px; }

/* Notice / callout */
.notice { background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); border-radius: var(--radius); padding: 14px 18px; font-size: 13px; color: var(--accent-ink); line-height: 1.55; }
html.dark .notice { color: var(--text); }

/* Try-new button injected in classic */
#trialdatax-trynew-btn {
  position: fixed; bottom: 20px; right: 20px; z-index: 9999;
  background: linear-gradient(135deg, #2563EB, #7C3AED); color: #fff;
  border: 0; padding: 10px 16px; border-radius: 999px; font: inherit; font-size: 13px; font-weight: 600;
  box-shadow: 0 8px 24px rgba(37,99,235,0.4); cursor: pointer;
}
#trialdatax-trynew-btn:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(37,99,235,0.5); }

/* Extra layout utilities used by expanded views */
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-top: 16px; }
@media (max-width: 1100px) { .row2, .row3 { grid-template-columns: 1fr; } }

.tabs { display: flex; gap: 4px; margin: 14px 0; border-bottom: 1px solid var(--border); }
.tab { background: none; border: 0; padding: 8px 14px; font: inherit; font-size: 13px; color: var(--text-3); cursor: pointer; border-bottom: 2px solid transparent; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.tab:hover { color: var(--text); }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 14px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-3); }
.form-grid input, .form-grid select, .sel {
  background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 7px 9px; font: inherit; font-size: 13px;
}
.sel.sm { padding: 4px 8px; font-size: 12px; }

.weight-row { display: grid; grid-template-columns: 140px 1fr 40px; gap: 10px; align-items: center; padding: 6px 0; }
.weight-row input[type="range"] { accent-color: var(--accent); }

.chip.ok  { background: var(--success-soft); color: var(--success); }
.chip.bad { background: var(--danger-soft);  color: var(--danger); }

.table.compact thead th { padding: 6px 8px; font-size: 10.5px; }
.table.compact tbody td { padding: 6px 8px; font-size: 12px; }