:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --text: #1a1d21;
  --muted: #5c6570;
  --border: #e2e6ea;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.04);
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "Source Code Pro", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(960px, 100% - 2rem);
  margin-inline: auto;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 1rem;
}

.brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.35rem 1rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.nav a:hover {
  color: var(--accent);
}

.nav-cta {
  color: var(--accent) !important;
  font-weight: 600;
}

.nav-user {
  color: var(--muted);
  font-size: 0.85rem;
}

.main {
  flex: 1;
  padding: 1.5rem 0 3rem;
}

.site-footer {
  padding: 1rem 0 1.5rem;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.footer-note {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
  letter-spacing: -0.02em;
}

.lead {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
}

.card + .card {
  margin-top: 1rem;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.quota-badge {
  font-size: 0.8rem;
  padding: 0.35rem 0.65rem;
  background: #eff6ff;
  color: var(--accent);
  border-radius: 999px;
  white-space: nowrap;
}

.messages {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.message {
  padding: 0.65rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
}

.message-success {
  background: #ecfdf5;
  color: var(--success);
  border: 1px solid #a7f3d0;
}

.message-error {
  background: #fef2f2;
  color: var(--danger);
  border: 1px solid #fecaca;
}

.message-warning {
  background: #fffbeb;
  color: var(--warning);
  border: 1px solid #fde68a;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

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

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
}

.btn-ghost:hover {
  color: var(--text);
}

.btn-sm {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}

.inline-form {
  display: inline;
  margin: 0;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.field .helptext {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0;
}

.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="file"],
.field select,
.field textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.field-error,
.errorlist {
  color: var(--danger);
  font-size: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.field-panel {
  display: none;
  padding-top: 0.25rem;
}

.field-panel.is-visible {
  display: block;
}

.checkbox-group {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.35rem 0.75rem;
}

.checkbox-group label {
  font-weight: 400;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

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

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.data-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
}

.data-table tr:hover td {
  background: #f8fafc;
}

.status-pill {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.status-pending,
.status-queued {
  background: #f1f5f9;
  color: #475569;
}

.status-processing {
  background: #eff6ff;
  color: var(--accent);
}

.status-completed {
  background: #ecfdf5;
  color: var(--success);
}

.status-failed {
  background: #fef2f2;
  color: var(--danger);
}

.progress-bar {
  height: 6px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
  margin: 0.75rem 0;
}

.progress-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.3s ease;
}

.meta-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  margin: 1rem 0;
}

.meta-item dt {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.15rem;
}

.meta-item dd {
  margin: 0;
  font-weight: 500;
}

.result-box {
  margin-top: 1rem;
  padding: 1rem;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--mono);
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 420px;
  overflow: auto;
}

.auth-page {
  max-width: 400px;
  margin: 2rem auto;
}

.auth-page .card {
  padding: 1.75rem;
}

.auth-links {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

.auth-links a {
  color: var(--accent);
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--muted);
}

.empty-state p {
  margin-bottom: 1rem;
}