:root {
  --bg: #f3f4f6;
  --text: #111827;
  --surface: #ffffff;
  --border: #e5e7eb;
  --header: #1f2937;
  --header-text: #ffffff;
}

:root[data-theme='dark'] {
  --bg: #111827;
  --text: #e5e7eb;
  --surface: #1f2937;
  --border: #374151;
  --header: #0b1220;
  --header-text: #f9fafb;
}

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

.app-header, .app-footer {
  padding: 10px 16px;
  background: var(--header);
  color: var(--header-text);
}

.app-shell {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 88px);
}

.app-sidebar {
  border-right: 1px solid var(--border);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface);
}

.app-sidebar a {
  text-decoration: none;
  color: var(--text);
}

.app-content {
  padding: 16px;
}

.header-actions {
  display: flex;
  gap: 8px;
}

.btn-link {
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  color: inherit;
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.auth-card {
  width: 320px;
  display: grid;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 18px;
  border-radius: 10px;
}

.auth-card input {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.auth-card button {
  padding: 10px;
  border: 0;
  border-radius: 6px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
}

.card-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  padding: 10px 14px;
  border-radius: 6px;
  color: #fff;
  background: #374151;
}

.toast-error { background: #b91c1c; }
.toast-success { background: #15803d; }

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

.hint { color: #6b7280; margin-top: -8px; }

.btn-primary, .btn-small {
  border: 0;
  border-radius: 6px;
  background: #2563eb;
  color: #fff;
  cursor: pointer;
  padding: 8px 12px;
}

.btn-small { padding: 4px 8px; font-size: 12px; }
.btn-link-inline { color: #2563eb; }

.form-card {
  display: grid;
  gap: 10px;
  max-width: 520px;
  margin-bottom: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.form-card label {
  display: grid;
  gap: 4px;
}

.form-card input, .form-card select {
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

.hidden { display: none; }

.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--border);
}

.data-table th, .data-table td {
  border-bottom: 1px solid var(--border);
  padding: 8px;
  text-align: left;
  vertical-align: top;
}

.state { padding: 8px 0; }
.state-error { color: #b91c1c; }
.state-empty { color: #6b7280; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #e5e7eb;
}

.badge-issued { background: #bbf7d0; }
.badge-rejected { background: #fecaca; }
.badge-pending { background: #fde68a; }

.actions { display: flex; gap: 6px; }

.row-clickable { cursor: pointer; }
.row-clickable:hover { background: rgba(37, 99, 235, 0.06); }

body.modal-open { overflow: hidden; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, 0.55);
  display: grid;
  place-items: center;
  padding: 16px;
  z-index: 1000;
}

.modal-card {
  width: min(720px, 100%);
  max-height: calc(100vh - 32px);
  overflow: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.18);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { margin: 0; }

.modal-close {
  border: 0;
  background: transparent;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: var(--text);
}

.modal-body {
  padding: 16px;
  display: grid;
  gap: 16px;
}

.modal-body h4 {
  margin: 0 0 8px;
}

.modal-fields {
  margin: 0;
  display: grid;
  gap: 8px;
}

.modal-field {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 8px;
  align-items: start;
}

.modal-field dt {
  margin: 0;
  color: #6b7280;
  font-size: 13px;
}

.modal-field dd {
  margin: 0;
  word-break: break-word;
}

.attachment-list {
  margin: 0;
  padding-left: 18px;
}

.attachment-list li { margin-bottom: 4px; }

.result-box {
  margin-top: 12px;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: auto;
}