/* --- Design tokens --- */
:root {
  --font-sans: "DM Sans", system-ui, -apple-system, sans-serif;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-surface-elevated: #ffffff;
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-primary: #0f172a;
  --color-primary-hover: #1e293b;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-success: #059669;
  --color-success-bg: #ecfdf5;
  --color-error: #dc2626;
  --color-error-bg: #fef2f2;
  --color-warning: #d97706;
  --color-warning-bg: #fffbeb;
  --color-info-bg: #eff6ff;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
  --transition: 0.15s ease;
}

/* --- Reset & base --- */
* { box-sizing: border-box; }
body {
  font-family: var(--font-sans);
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

/* --- Header --- */
.header {
  background: var(--color-primary);
  color: #f8fafc;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-md);
}
.header-brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  color: inherit;
  text-decoration: none;
  font-weight: 600;
}
.header-logo {
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}
.header-tagline {
  font-size: 0.85rem;
  font-weight: 400;
  color: #94a3b8;
}
.header-brand:hover { color: #fff; }
.header-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.header-nav a {
  color: #cbd5e1;
  text-decoration: none;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition), background var(--transition);
}
.header-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.header-logout { margin-left: 0.5rem; }
.header-logout button {
  background: transparent;
  color: #94a3b8;
  border: 1px solid rgba(148,163,184,0.4);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition), border-color var(--transition);
}
.header-logout button:hover {
  color: #fff;
  border-color: rgba(248,250,252,0.5);
}

/* --- Main --- */
.main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: calc(100vh - 56px);
}

/* --- Cards --- */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}
.card h1 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}
.card h2 {
  margin: 2rem 0 0.75rem;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}
.card h2:first-of-type { margin-top: 1.5rem; }
.card > p:first-of-type {
  margin: 0 0 1.5rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

/* --- Forms --- */
label {
  display: block;
  margin-top: 1.25rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text);
}
label:first-of-type { margin-top: 0; }
input[type="text"],
input[type="password"],
input[type="number"],
input[type="email"],
select {
  width: 100%;
  padding: 0.65rem 0.9rem;
  margin-top: 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--transition), box-shadow var(--transition);
}
input::placeholder { color: var(--color-text-muted); }
input:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
button,
.button {
  margin-top: 1rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
button:hover,
.button:hover {
  background: var(--color-border-light);
  border-color: var(--color-text-muted);
}
button.primary,
.button.primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
button.primary:hover,
.button.primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  color: #fff;
}
button.primary:disabled,
.button.primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}
a.button {
  text-decoration: none;
  display: inline-block;
}

/* --- Gmail / info box --- */
.gmail-box {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  border: 1px solid var(--color-border);
}
.gmail-box strong { color: var(--color-text); }
.gmail {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  word-break: break-all;
  color: var(--color-accent);
  font-weight: 500;
}
.hint {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  margin-top: 0.4rem;
  line-height: 1.45;
}

/* --- Actions & verify --- */
.actions { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
#verifyResult { margin-left: 0.25rem; font-size: 0.9rem; }
.verify-result { display: inline-block; max-width: 100%; line-height: 1.45; }
.verify-result.error { display: block; margin-top: 0.5rem; max-width: 42rem; }
.verify-hint { margin-top: 0.75rem; }
.error { color: var(--color-error); font-weight: 600; }
.success { color: var(--color-success); font-weight: 500; }

/* --- Compression options --- */
.compression-options {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--color-surface);
}
.compression-options legend {
  font-weight: 600;
  padding: 0 0.5rem;
  color: var(--color-text);
}
.compression-options label { margin-top: 0.75rem; }
.compression-options select { max-width: 12rem; }
.compression-options .format-hint { margin-top: 0; margin-bottom: 0.5rem; }
.compression-options .checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  cursor: pointer;
}
.compression-options .checkbox-label input[type="checkbox"] { margin: 0; }

/* --- Tables --- */
.jobs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border-light);
}
.jobs-table th,
.jobs-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
}
.jobs-table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  background: #f8fafc;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.jobs-table tbody tr {
  transition: background var(--transition);
}
.jobs-table tbody tr:hover { background: #f8fafc; }
.jobs-table tbody tr:last-child td { border-bottom: none; }
.jobs-table code { font-size: 0.85rem; }

/* --- Status badges --- */
.status {
  padding: 0.3rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: capitalize;
}
.status-running { background: var(--color-warning-bg); color: var(--color-warning); }
.status-completed { background: var(--color-success-bg); color: var(--color-success); }
.status-failed { background: var(--color-error-bg); color: var(--color-error); }
.status-pending { background: var(--color-border-light); color: var(--color-text-muted); }
.status-launched { background: var(--color-info-bg); color: var(--color-accent); }

/* --- Messages --- */
.msg {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1rem 0;
  font-size: 0.95rem;
  border: 1px solid transparent;
}
.msg.success {
  background: var(--color-success-bg);
  color: #065f46;
  border-color: #a7f3d0;
}
.msg.error {
  background: var(--color-error-bg);
  color: #991b1b;
  border-color: #fecaca;
}

/* --- Job detail --- */
.job-detail dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 2rem;
  margin: 0;
  align-items: baseline;
}
.job-detail dt {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}
.job-detail dd { margin: 0; }
.tree {
  background: #f8fafc;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  font-size: 0.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  font-family: ui-monospace, monospace;
}

/* --- Execution steps --- */
.execution-steps {
  list-style: none;
  padding: 0;
  margin: 0.75rem 0 0;
  border-left: 2px solid var(--color-border);
  padding-left: 1.25rem;
  margin-left: 0.35rem;
}
.execution-steps li {
  padding: 0.45rem 0;
  font-size: 0.9rem;
  position: relative;
}
.execution-steps li::before {
  content: "";
  position: absolute;
  left: -1.4rem;
  top: 0.7rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}
.step-name { font-weight: 500; color: var(--color-text); }
.step-time { color: var(--color-text-muted); font-size: 0.85rem; margin-left: 0.5rem; }

/* --- Dashboard --- */
.dashboard .card { margin-bottom: 0; }
.dashboard h1 { margin-bottom: 0.35rem; }
.dashboard .cta { margin: 1.5rem 0 1rem; }
.dashboard .hint { margin-bottom: 1.5rem; }
.dashboard .jobs-table { margin-top: 0.75rem; }
.empty-state {
  color: var(--color-text-muted);
  padding: 2rem 0;
  text-align: center;
  font-size: 0.95rem;
}

/* --- In-card links --- */
.card a:not(.button):not(.back-link) {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}
.card a:not(.button):not(.back-link):hover { text-decoration: underline; }

/* --- Back link --- */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 1.5rem;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.back-link:hover { color: var(--color-accent); }

/* --- Login --- */
.login-card { max-width: 400px; margin: 2.5rem auto; }
.login-section { margin: 1.5rem 0; }
.login-label { color: var(--color-text-secondary); font-size: 0.9rem; margin-bottom: 0.5rem; display: block; }
.login-divider { border: 0; border-top: 1px solid var(--color-border); margin: 1.5rem 0; }

/* --- CTA --- */
.cta { margin: 1.25rem 0; }

/* --- Error block --- */
.job-detail .error-block {
  background: var(--color-error-bg);
  color: #991b1b;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin: 1rem 0;
  border: 1px solid #fecaca;
  font-size: 0.9rem;
}

/* --- Job detail: meta & links --- */
.job-meta {
  display: grid;
  gap: 0.75rem;
  margin: 1rem 0 1.5rem;
}
.job-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
}
.job-meta-label {
  font-weight: 600;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  min-width: 5rem;
}
.job-meta-value { color: var(--color-text); }
.job-links { margin: 1.5rem 0; }
.job-links h2 { margin-top: 0; }
.job-link-card {
  background: #f8fafc;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-top: 0.75rem;
}
.job-link-card--highlight { background: #eff6ff; border-color: #bfdbfe; }
.job-link-label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.job-link-btn {
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
}
.job-link-btn:hover { text-decoration: underline; }
.job-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1.5rem 0;
}

/* --- File ops grid (responsive) --- */
.file-ops-grid {
  display: grid;
  gap: 0.5rem;
  margin-top: 0.75rem;
}
.file-op-card {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.5rem;
  align-items: center;
  padding: 0.6rem 0.9rem;
  background: #f8fafc;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  font-size: 0.85rem;
}
.file-op-source,
.file-op-dest {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-text);
}
.file-op-arrow { color: var(--color-text-muted); font-weight: 600; }

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.pagination-info {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-right: 0.5rem;
}
.pagination a,
.pagination span {
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
}
.pagination a:hover {
  background: var(--color-border-light);
  border-color: var(--color-text-muted);
}
.pagination .current {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  pointer-events: none;
}
.pagination .disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  .header { padding: 0 1rem; }
  .header-tagline { display: none; }
  .main { padding: 1.25rem 1rem; }
  .card { padding: 1.5rem; }
  .job-detail--responsive .file-op-card {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }
  .job-detail--responsive .file-op-arrow { grid-column: 1; }
}