:root {
  --teal-primary: #0f766e;
  --teal-primary-dark: #115e59;
  --teal-primary-light: #14b8a6;
  --teal-accent: #2dd4bf;
  --app-bg: #f8fafc;
  --app-surface: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #334155;
  --border-color: #e2e8f0;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --shadow-1: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-2: 0 16px 48px rgba(15, 23, 42, 0.12);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --fab-size: 56px;
  --nav-height: 64px;
  --bs-primary: var(--teal-primary);
  --bs-primary-rgb: 15, 118, 110;
  --bs-body-bg: var(--app-bg);
  --bs-body-color: var(--text-primary);
  --bs-border-color: var(--border-color);
}

html {
  font-size: 16px;
}

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #ecfeff, var(--app-bg) 45%);
  color: var(--text-primary);
  margin-bottom: 0;
  min-height: 100vh;
}

a {
  color: var(--teal-primary);
}

a:hover {
  color: var(--teal-primary-dark);
}

.navbar {
  background: var(--app-surface);
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--app-surface);
  border-bottom: 1px solid var(--border-color);
}

.app-content {
  flex: 1;
  padding: 16px;
}

.card-elevated {
  background: var(--app-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  border: 1px solid var(--border-color);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.status-pill.is-new {
  background: rgba(20, 184, 166, 0.15);
  color: var(--teal-primary);
}

.status-pill.is-resolved {
  background: rgba(22, 163, 74, 0.12);
  color: var(--success);
}

.status-pill.is-p1 {
  background: rgba(220, 38, 38, 0.12);
  color: var(--danger);
}

.ticket-card {
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--app-surface);
  box-shadow: var(--shadow-1);
  display: grid;
  gap: 12px;
}

.ticket-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ticket-title {
  font-weight: 600;
  font-size: 18px;
}

.ticket-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

.metric-card {
  min-height: 120px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.info-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: var(--teal-primary);
  border: 1px solid rgba(15, 118, 110, 0.4);
  margin-left: 6px;
  cursor: help;
}

.fab {
  position: fixed;
  bottom: calc(var(--nav-height) + 20px);
  right: 20px;
  width: var(--fab-size);
  height: var(--fab-size);
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal-primary), var(--teal-primary-light));
  color: #fff;
  border: none;
  box-shadow: var(--shadow-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.mobile-nav {
  position: sticky;
  bottom: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--app-surface);
  border-top: 1px solid var(--border-color);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  align-items: center;
  text-align: center;
}

.mobile-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
}

.mobile-nav a.active {
  color: var(--teal-primary);
}

.hero {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.1), rgba(45, 212, 191, 0.2));
  border: 1px solid rgba(45, 212, 191, 0.4);
}

.hero h1 {
  font-size: 24px;
  font-weight: 600;
  margin: 0;
}

.hero p {
  margin: 0;
  color: var(--text-secondary);
}

.btn-primary {
  background-color: var(--teal-primary);
  border-color: var(--teal-primary);
}

.btn-primary:hover {
  background-color: var(--teal-primary-dark);
  border-color: var(--teal-primary-dark);
}

.btn-outline-secondary {
  border-color: var(--border-color);
  color: var(--text-secondary);
}

@media (min-width: 992px) {
  .app-content {
    padding: 32px 40px 24px;
    max-width: 1200px;
    margin: 0 auto;
  }

  .mobile-nav {
    display: none;
  }

  .fab {
    bottom: 32px;
  }
}