:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --background: #080d17;
  --surface: #111927;
  --surface-raised: #172235;
  --border: #26344a;
  --text: #f7f9fc;
  --muted: #91a2bb;
  --blue: #6b83ff;
  --blue-soft: rgba(107, 131, 255, 0.14);
  --green: #49dfad;
  --green-soft: rgba(73, 223, 173, 0.13);
  --amber: #f5bc55;
  --red: #ff7f8d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 18% -10%, rgba(80, 107, 230, 0.16), transparent 34rem),
    var(--background);
}

.page-shell {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  padding: 30px clamp(18px, 4vw, 54px) 24px;
}

.topbar,
.campaign-heading,
.campaign-title-row,
.card-heading,
.brand,
.connection-panel,
.read-only-label {
  display: flex;
  align-items: center;
}

.topbar {
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}

.brand { gap: 14px; }

.brand-mark {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border-radius: 14px;
  color: white;
  background: linear-gradient(145deg, #7890ff, #5268e7);
  box-shadow: 0 12px 30px rgba(70, 92, 210, 0.28);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

h1, h2, p { margin: 0; }
h1 { margin-top: 3px; font-size: clamp(20px, 2.2vw, 27px); }
h2 { font-size: clamp(20px, 2vw, 26px); }

.eyebrow,
.section-label {
  color: #91a8d2;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.connection-panel {
  flex-direction: column;
  align-items: flex-end;
  gap: 7px;
}

.connection-badge,
.status-badge {
  display: inline-flex;
  align-items: center;
  width: max-content;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.connection-badge {
  gap: 8px;
  padding: 8px 12px;
  color: var(--muted);
  background: rgba(145, 162, 187, 0.1);
}

.connection-badge::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  box-shadow: 0 0 0 5px rgba(145, 162, 187, 0.09);
}

.connection-badge[data-status="ready"] { color: var(--green); background: var(--green-soft); }
.connection-badge[data-status="error"] { color: var(--red); background: rgba(255, 127, 141, 0.12); }
.last-updated { color: var(--muted); font-size: 12px; }

main { padding-top: 34px; }

.campaign-heading {
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}

.campaign-title-row { gap: 12px; margin-top: 7px; }

.status-badge {
  padding: 6px 10px;
  color: var(--muted);
  background: rgba(145, 162, 187, 0.1);
}

.status-badge[data-status="ACTIVE"],
.status-badge[data-status="AVAILABLE"],
.status-badge[data-status="PENDING"],
.status-badge[data-status="TALKING"],
.status-badge[data-status="BRIDGED"] {
  color: var(--green);
  background: var(--green-soft);
}

.status-badge[data-status="ON_CALL"],
.status-badge[data-status="ORIGINATING"],
.status-badge[data-status="RINGING"],
.status-badge[data-status="ANSWERED"] {
  color: #9eafff;
  background: var(--blue-soft);
}

.status-badge[data-status="PAUSED"],
.status-badge[data-status="RETRY_SCHEDULED"],
.status-badge[data-status="WRAP_UP"] {
  color: var(--amber);
  background: rgba(245, 188, 85, 0.12);
}

.status-badge[data-status="OFFLINE"],
.status-badge[data-status="FAILED"],
.status-badge[data-status="EXHAUSTED"],
.status-badge[data-status="SUPPRESSED"],
.status-badge[data-status="ENDED"] {
  color: var(--muted);
  background: rgba(145, 162, 187, 0.1);
}

.read-only-label {
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

.read-only-label span { color: var(--blue); }

.campaign-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.button {
  min-height: 40px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 11px;
  color: white;
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}
.button:disabled { cursor: not-allowed; opacity: 0.45; }
.button.primary { background: linear-gradient(145deg, #748bff, #546ce6); }
.button.secondary { border-color: rgba(107, 131, 255, 0.55); background: var(--blue-soft); }
.button.ghost { border-color: var(--border); color: #c4cede; }

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.metric-card {
  min-height: 142px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(24, 35, 54, 0.96), rgba(15, 23, 36, 0.96));
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
}

.metric-card p { color: #b7c3d5; font-size: 13px; font-weight: 650; }
.metric-card strong { display: block; margin: 10px 0 6px; font-size: 34px; letter-spacing: -0.04em; }
.metric-card span { color: var(--muted); font-size: 11px; line-height: 1.35; }
.metric-card .positive { color: var(--green); }
.metric-card .accent { color: #9eafff; }
.metric-primary { border-color: rgba(107, 131, 255, 0.5); background: linear-gradient(145deg, rgba(74, 94, 190, 0.28), rgba(21, 29, 47, 0.96)); }

.operations-card {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(16, 24, 38, 0.96);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16);
}

.campaign-operations {
  overflow: hidden;
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(16, 24, 38, 0.96);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.14);
}

.queue-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-bottom: 1px solid var(--border);
}
.queue-grid article { padding: 18px 24px; border-right: 1px solid var(--border); }
.queue-grid article:last-child { border-right: 0; }
.queue-grid span { display: block; color: var(--muted); font-size: 11px; }
.queue-grid strong { display: block; margin-top: 5px; font-size: 25px; }

.import-panel {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto;
  gap: 16px;
  align-items: center;
  padding: 20px 24px 10px;
}
.import-panel h3 { margin: 0 0 6px; font-size: 15px; }
.import-panel p { color: var(--muted); font-size: 12px; line-height: 1.5; }
.import-panel code { color: #aebcff; }
.file-field {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  padding: 0 14px;
  border: 1px dashed #475a78;
  border-radius: 11px;
  color: #c5cfde;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.file-field input { width: 1px; height: 1px; opacity: 0; position: absolute; }
.operation-message { min-height: 28px; padding: 0 24px 12px; color: var(--muted); font-size: 12px; }
.operation-message[data-status="ready"] { color: var(--green); }
.operation-message[data-status="warning"] { color: var(--amber); }
.operation-message[data-status="error"] { color: var(--red); }
.contacts-table { border-top: 1px solid rgba(38, 52, 74, 0.72); }
.contacts-table table { min-width: 680px; }

.card-heading {
  justify-content: space-between;
  padding: 21px 24px;
  border-bottom: 1px solid var(--border);
}

.card-heading h2 { margin-top: 5px; font-size: 19px; }
.refresh-label { color: var(--muted); font-size: 12px; }

.table-scroll { position: relative; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 850px; }
th, td { padding: 16px 20px; text-align: left; }
th { color: #8596af; background: rgba(5, 10, 18, 0.26); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
td { border-top: 1px solid rgba(38, 52, 74, 0.72); color: #d5ddeb; font-size: 13px; }
tbody tr { transition: background 150ms ease; }
tbody tr:hover { background: rgba(107, 131, 255, 0.045); }
td small { display: block; margin-top: 6px; color: var(--muted); font-size: 11px; }
.agent-cell { color: white; font-weight: 700; }
.duration-cell, .mono-cell { font-variant-numeric: tabular-nums; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

.empty-state {
  padding: 50px 24px;
  color: var(--muted);
  text-align: center;
}

.empty-state span { display: block; margin-bottom: 8px; color: var(--blue); font-size: 28px; }
.empty-state strong { color: var(--text); }
.empty-state p { margin-top: 7px; font-size: 13px; }

footer {
  padding: 18px 4px 0;
  color: #687991;
  font-size: 11px;
  text-align: right;
}

@media (max-width: 1180px) {
  .metrics-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .import-panel { grid-template-columns: 1fr auto; }
  .import-panel > div { grid-column: 1 / -1; }
}

@media (max-width: 680px) {
  .page-shell { padding: 20px 14px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .connection-panel { align-items: flex-start; }
  .campaign-heading { align-items: flex-start; flex-direction: column; }
  .campaign-actions { width: 100%; }
  .campaign-actions .button { flex: 1; }
  .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .queue-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .queue-grid article { border-bottom: 1px solid var(--border); }
  .import-panel { grid-template-columns: 1fr; }
  .import-panel > div { grid-column: auto; }
  .file-field, .import-panel .button { justify-content: center; width: 100%; }
  .metric-card { min-height: 126px; padding: 17px; }
  .metric-card strong { font-size: 29px; }
  .read-only-label { order: -1; }
  .refresh-label { display: none; }
}

@media (max-width: 410px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .metric-card { min-height: 112px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}