:root {
  --bg: #0f1218;
  --panel: rgba(17, 21, 30, 0.92);
  --panel-2: rgba(24, 29, 42, 0.95);
  --text: #e9edf4;
  --muted: #9aa7b8;
  --line: rgba(255, 255, 255, 0.08);
  --accent: #76d6a8;
  --accent-2: #7ca7ff;
  --warn: #ffbc4a;
  --danger: #ff6d7a;
  --chip: rgba(255,255,255,0.06);
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at 10% 20%, rgba(124,167,255,0.16), transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(118,214,168,0.12), transparent 25%),
    linear-gradient(180deg, #0c0f15 0%, #101520 100%);
  color: var(--text);
}

a { color: var(--accent-2); text-decoration: none; }
button, input, select, textarea { font: inherit; }

.shell {
  width: min(1600px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 20px 0 40px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
  padding: 20px 22px;
  background: linear-gradient(135deg, rgba(18,22,32,0.95), rgba(19,25,36,0.85));
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.brand { font-size: 20px; font-weight: 800; letter-spacing: 0.02em; }
.subtitle { color: var(--muted); font-size: 13px; margin-top: 4px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }

.panel, .stat-card, .hero-card {
  background: linear-gradient(180deg, rgba(20, 25, 36, 0.96), rgba(16, 19, 28, 0.96));
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.panel { padding: 18px; margin-bottom: 18px; }
.panel-inner { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }

.flash {
  margin-bottom: 16px;
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(118, 214, 168, 0.12);
  border: 1px solid rgba(118, 214, 168, 0.28);
}
.flash.error {
  background: rgba(255, 109, 122, 0.12);
  border-color: rgba(255, 109, 122, 0.28);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stat-card {
  padding: 16px;
  min-height: 98px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.stat-card span { color: var(--muted); font-size: 13px; }
.stat-card strong { font-size: 30px; line-height: 1; }
.stat-card.accent { background: linear-gradient(135deg, rgba(118,214,168,0.18), rgba(124,167,255,0.16)); }

.import-row, .export-row, .filters-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.import-row { justify-content: space-between; }
.import-box { display: flex; gap: 12px; flex-wrap: wrap; }
.import-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-end;
  margin-bottom: 14px;
}
.import-title-row h2 { margin: 0 0 6px; }
.import-title-row p { margin: 0; color: var(--muted); }
.import-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}
.import-card, .pending-import {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.02);
}
.import-card h3, .pending-import h3, .pending-import h4 { margin: 0 0 8px; }
.import-card p, .pending-import p { margin: 0 0 14px; color: var(--muted); }
.import-card label { margin-bottom: 14px; }
.pending-import { margin-top: 14px; }
.pending-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}
.pending-head p { margin-bottom: 0; }
.pending-stats, .pending-meta {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.pending-meta { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat-mini, .pending-meta > div {
  border-radius: 14px;
  border: 1px solid var(--line);
  padding: 12px;
  background: rgba(255,255,255,0.02);
}
.stat-mini span, .pending-meta span { display: block; color: var(--muted); font-size: 12px; }
.stat-mini strong, .pending-meta strong { display: block; margin-top: 6px; }
.pending-samples { margin-top: 14px; }
.pending-samples ul { margin: 0; padding-left: 18px; color: #d6deeb; }
.pending-samples li { margin-bottom: 8px; }
.pending-samples span { color: var(--muted); font-size: 12px; }
.estimate-box {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(124, 167, 255, 0.22);
  background: rgba(124, 167, 255, 0.09);
  color: #dfe9ff;
}
.estimate-box strong { color: #ffffff; }
.estimate-box span {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
}
.upload-status {
  min-height: 18px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}
.upload-status.error { color: var(--danger); }
.upload-status.success { color: var(--accent); }
.upload-progress {
  margin-top: 10px;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}
.upload-progress-bar {
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.12s linear;
}
.upload-progress.active .upload-progress-bar {
  min-width: 12px;
}
.upload-sink {
  position: fixed;
  left: -9999px;
  top: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  border: 0;
  pointer-events: none;
}

label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}
input, select, textarea {
  border: 1px solid var(--line);
  background: rgba(8, 11, 16, 0.7);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
}
textarea { resize: vertical; min-height: 92px; }
select { min-width: 220px; }

.primary, .ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 12px;
  padding: 11px 15px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: 0.15s ease;
}
.primary {
  background: linear-gradient(135deg, var(--accent), #4ab8d4);
  color: #071015;
  font-weight: 700;
}
.ghost {
  background: rgba(255,255,255,0.03);
  border-color: var(--line);
  color: var(--text);
}
.ghost:hover, .primary:hover { transform: translateY(-1px); }
.small { padding: 8px 12px; font-size: 13px; }

.filters {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}
.check { flex-direction: row; align-items: center; gap: 10px; color: var(--text); }

.table-meta { margin-bottom: 10px; color: var(--muted); font-size: 13px; }
.table-wrap { overflow: auto; border-radius: 14px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; min-width: 1200px; }
thead th {
  position: sticky;
  top: 0;
  background: #121825;
  z-index: 1;
  color: #dbe5f5;
  text-align: left;
  font-size: 13px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
}
tbody td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: #ecf1f8;
}
tbody tr:hover { background: rgba(255,255,255,0.02); }
.summary { max-width: 360px; color: var(--muted); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--chip);
  border: 1px solid var(--line);
  font-size: 12px;
}

.name-cell { display: flex; flex-direction: column; gap: 4px; }
.name-cell span, .muted, .meta-list span { color: var(--muted); font-size: 12px; }

.auth-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  margin-top: 40px;
}
.hero-card { padding: 28px; }
.hero-card h1 { margin-top: 0; font-size: 38px; line-height: 1.05; }
.feature-list { padding-left: 18px; color: #cdd8e8; }
.auth-form { display: grid; gap: 14px; align-content: start; }
.auth-form h2, .panel h2 { margin: 0 0 8px; }

.dialog-layout { display: grid; grid-template-columns: 460px 1fr; gap: 18px; align-items: start; }
.dialog-sidebar, .conversation-main { min-height: 80vh; }
.meta-list { display: grid; gap: 12px; margin-top: 14px; }
.meta-list div { padding: 12px; border: 1px solid var(--line); border-radius: 14px; background: rgba(255,255,255,0.02); }
.meta-list strong { display: block; margin-top: 4px; }
.reason-list { margin: 8px 0 0; padding-left: 18px; color: #d6deeb; }
.flag-grid { display: grid; grid-template-columns: 1fr; gap: 10px; max-height: 380px; overflow: auto; padding-right: 4px; }
.dialog-summary { margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.dialog-messages { display: grid; gap: 12px; }
.message {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  max-width: min(900px, 100%);
}
.message.from-us { margin-left: auto; background: rgba(124,167,255,0.10); }
.message.from-them { background: rgba(255,255,255,0.03); }
.message-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
}
.message-body { white-space: pre-wrap; line-height: 1.55; }
.message mark {
  background: rgba(255, 188, 74, 0.24);
  color: #fff;
  padding: 0 2px;
  border-radius: 4px;
}
.attachment-badge {
  display: inline-flex;
  margin-top: 10px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(255, 188, 74, 0.12);
  color: #f8d185;
  border: 1px solid rgba(255, 188, 74, 0.22);
  font-size: 12px;
}
.code-area { width: 100%; min-height: 520px; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }

@media (max-width: 1400px) {
  .stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .filters { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dialog-layout, .auth-grid { grid-template-columns: 1fr; }
  .import-grid, .pending-stats, .pending-meta { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 820px) {
  .shell { width: min(100vw - 20px, 100vw); }
  .stats-grid, .filters { grid-template-columns: 1fr 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; gap: 14px; }
  .import-row { flex-direction: column; align-items: stretch; }
  .import-box { flex-direction: column; }
  .import-grid, .pending-stats, .pending-meta { grid-template-columns: 1fr; }
  .pending-head, .import-title-row { flex-direction: column; align-items: stretch; }
}