:root {
  --bg: #f4f6f8;
  --panel: #ffffff;
  --ink: #1f2933;
  --muted: #6b7280;
  --line: #d6dde5;
  --accent: #0b6e4f;
  --accent-soft: #e6f4ef;
  --danger: #b42318;
  --warning: #b54708;
  --info: #175cd3;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 24px 18px;
  background: #101828;
  color: #f9fafb;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: #1f7a5a;
  font-weight: 700;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: #d0d5dd;
}

.nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.main-shell {
  display: grid;
  grid-template-rows: auto 1fr;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 28px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.header h1 {
  margin: 0;
  font-size: 1.4rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-pill {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
}

.page-root {
  padding: 24px 28px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.04);
}

.panel + .panel {
  margin-top: 18px;
}

.button {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}

.button.button-secondary {
  background: #344054;
}

.button.button-danger {
  background: var(--danger);
}

.button-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.muted {
  color: var(--muted);
}

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.stat-card {
  padding: 16px;
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid var(--line);
}

.stat-card strong {
  display: block;
  font-size: 1.8rem;
  margin-top: 6px;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-size: 0.9rem;
  color: var(--muted);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  background: #eef2f6;
}

.badge.status-active,
.badge.status-ready,
.badge.status-completed {
  background: #e7f6ec;
  color: var(--accent);
}

.badge.status-paused,
.badge.status-connecting,
.badge.status-wrapup {
  background: #fff4e5;
  color: var(--warning);
}

.badge.status-failed,
.badge.status-disconnected,
.badge.status-busy {
  background: #fdecec;
  color: var(--danger);
}

.badge.status-in_call,
.badge.status-calling,
.badge.status-ringing,
.badge.status-connected {
  background: #e8f1ff;
  color: var(--info);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.form-grid label,
.stack-form label {
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}

input,
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  font: inherit;
  background: #fff;
}

textarea {
  min-height: 92px;
  resize: vertical;
}

.stack-form {
  display: grid;
  gap: 14px;
}

.form-error {
  min-height: 20px;
  color: var(--danger);
}

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.login-card {
  width: min(420px, calc(100vw - 32px));
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.lead-card {
  display: grid;
  gap: 10px;
}

.lead-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.lead-meta div {
  padding: 10px 12px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(320px, 1fr);
  gap: 18px;
}

.status-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.status-hero strong {
  font-size: 1.1rem;
}

.timer {
  font-size: 2rem;
  font-weight: 700;
}

.device-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    display: none;
  }

  .split,
  .device-row {
    grid-template-columns: 1fr;
  }

  .header {
    padding: 16px;
  }

  .page-root {
    padding: 16px;
  }
}