:root {
  --primary: #0f172a;
  --accent: #2563eb;
  --success: #15803d;
  --danger: #dc2626;
  --warning: #ea580c;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 4px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', sans-serif;
}

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-size: 13px;
}

#app-root {
  height: 100vh;
  width: 100vw;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.icon {
  font-family: 'Material Symbols Outlined';
  font-weight: normal;
  font-style: normal;
  line-height: 1;
  display: inline-block;
  white-space: nowrap;
  vertical-align: middle;
  font-size: 18px;
}

/* Modals & Dialog Utility */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-card {
  background: white;
  border-radius: var(--radius);
  max-width: 90vw;
  overflow: hidden;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
}

.modal-card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  background: #f8fafc;
}

.modal-card-body {
  padding: 20px;
}

.modal-card-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.action-btn {
  padding: 10px 18px;
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius);
  font-weight: 700;
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
}

.action-btn:disabled {
  background: #cbd5e1;
  cursor: not-allowed;
}

.action-btn.btn-secondary {
  background: white;
  color: var(--text-muted);
  border: 1px solid var(--border);
}