:root {
  --bg: #f9fafb;
  --card: #ffffff;
  --muted: #6b7280;
  --txt: #1f2937;
  --acc: #e33434;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--txt);
  background: var(--bg);
  line-height: 1.5;
}

/* Layout */
.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--txt);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
}

nav a,
nav button {
  margin-left: 0.75rem;
}

/* Buttons */
button,
.btn {
  background: var(--acc);
  color: #fff;
  border: none;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.1s ease;
  text-decoration: none;
}

.tenant-select select {
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  padding: 0.4rem 0.6rem;
  font-size: 0.9rem;
}


.full {
  width:100%;
}

button:hover,
.btn:hover {
  background: #e33434;
  transform: translateY(-1px);
}

button:active,
.btn:active {
  transform: translateY(0);
}

.btn.secondary {
  background: #f3f4f6;
  color: var(--txt);
}

/* Cards & Forms */
.card {
  background: var(--card);
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 1.5rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0.75rem 0;
  font-weight: 500;
}

input,
textarea {
  background: #fff;
  color: var(--txt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.6rem 0.7rem;
  font-size: 0.95rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
textarea:focus {
  border-color: var(--acc);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
  outline: none;
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.table th {
  background: #f3f4f6;
  font-weight: 600;
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  color: #374151;
}

.table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.table tr:hover {
  background: #f9fafb;
}

.actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.link {
  color: var(--acc);
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

/* Alerts */
.alert {
  margin: 1rem 0;
  padding: 0.8rem 1rem;
  border: 1px solid #fecaca;
  color: #991b1b;
  background: #fee2e2;
  border-radius: var(--radius);
}

/* Utilities */
.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0;
}

legend {
  color: var(--muted);
  padding: 0 0.5rem;
  font-size: 0.9rem;
}