:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --border: #e1e5ea;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --green: #16a34a;
  --green-dark: #15803d;
  --amber: #d97706;
  --red: #dc2626;
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

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

header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
}

main {
  max-width: 1100px;
  margin: 24px auto;
  padding: 0 16px 48px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h2 {
  margin: 0 0 16px;
  font-size: 1.05rem;
}

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

label {
  display: flex;
  flex-direction: column;
  font-size: 0.85rem;
  color: var(--muted);
  gap: 4px;
}

input, select {
  font: inherit;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  align-items: center;
}

button {
  font: inherit;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  cursor: pointer;
  font-weight: 600;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); }

.btn-secondary {
  background: #eef0f3;
  color: var(--text);
}
.btn-secondary:hover:not(:disabled) { background: #e2e5ea; }

.btn-notify-new {
  background: #dcfce7;
  color: var(--green-dark);
}
.btn-notify-new:hover:not(:disabled) { background: #bbf7d0; }

.btn-notify-edit {
  background: #fef3c7;
  color: var(--amber);
}
.btn-notify-edit:hover:not(:disabled) { background: #fde68a; }

.btn-small {
  padding: 5px 10px;
  font-size: 0.8rem;
}

.status-msg {
  font-size: 0.85rem;
  min-height: 1.2em;
}
.status-msg.ok { color: var(--green-dark); }
.status-msg.err { color: var(--red); }

.mode-badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 999px;
  background: #e0e7ff;
  color: var(--primary-dark);
  margin-inline-start: 8px;
  vertical-align: middle;
}
.mode-badge.edit { background: #fef3c7; color: var(--amber); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

th, td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

th {
  color: var(--muted);
  font-weight: 600;
  position: sticky;
  top: 0;
  background: var(--card);
}

tbody tr:hover {
  background: #f9fafb;
}

.table-wrap {
  overflow-x: auto;
  max-height: 560px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge.confirmed { background: #dcfce7; color: var(--green-dark); }
.badge.cancelled { background: #fee2e2; color: var(--red); }
.badge.sent { background: #e0e7ff; color: var(--primary-dark); }

.pager {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 12px;
  font-size: 0.85rem;
  color: var(--muted);
}

.filters-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: flex-end;
}

.filters-row label {
  min-width: 140px;
}

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

.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-card {
  width: 100%;
  max-width: 480px;
  text-align: center;
}

.login-card h1 {
  margin: 0 0 4px;
  font-size: 1.15rem;
}

.login-card .muted {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0 0 20px;
}

.login-card form {
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}

.login-card label {
  text-align: left;
}

.login-card .actions {
  margin-top: 4px;
  justify-content: stretch;
}

.login-card .btn-primary {
  width: 100%;
}