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

body {
  background: #f5f6f8;
  color: #1f2933;
  min-height: 100vh;
  padding: 32px;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

h1,
h2,
h3 {
  margin-bottom: 8px;
}

.subtitle {
  color: #475569;
  margin-bottom: 16px;
}

.form-block {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.form-block label,
.form-inline label {
  display: grid;
  gap: 4px;
  font-size: 0.95rem;
}

.form-block input,
.form-inline input,
.form-inline select {
  border: 1px solid #cbd5f5;
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.95rem;
}

.form-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: flex-end;
  margin-bottom: 20px;
}

.form-inline label {
  min-width: 200px;
}

button {
  background: #2563eb;
  border: none;
  border-radius: 8px;
  color: #ffffff;
  padding: 10px 18px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

button:hover {
  background: #1d4ed8;
}

button.secondary {
  background: #e2e8f0;
  color: #1f2933;
}

button.secondary:hover {
  background: #cbd5e1;
}

button.danger {
  background: #dc2626;
}

button.danger:hover {
  background: #b91c1c;
}

.hidden {
  display: none !important;
}

#auth-section {
  margin-bottom: 8px;
}

.feedback {
  min-height: 22px;
  margin-top: 8px;
  font-size: 0.95rem;
}

.feedback.error {
  color: #dc2626;
}

.feedback.success {
  color: #047857;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.user-box {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table-wrapper {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

thead {
  background: #f1f5f9;
}

th,
td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid #e2e8f0;
  vertical-align: middle;
}

tbody tr:hover {
  background: rgba(37, 99, 235, 0.06);
}

@media (max-width: 768px) {
  body {
    padding: 16px;
  }

  .form-inline {
    flex-direction: column;
    align-items: stretch;
  }

  .form-inline label {
    width: 100%;
  }

  .app-header {
    flex-direction: column;
    align-items: flex-start;
  }
}