:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --text: #18202f;
  --muted: #667085;
  --border: #d9e0ea;
  --border-strong: #c7d0dd;
  --primary: #2557d6;
  --primary-dark: #1c42a4;
  --soft: #edf3ff;
  --danger: #b42318;
  --danger-bg: #fff0ed;
  --ok: #137a42;
  --warn: #a35b00;
  --shadow: 0 18px 48px rgba(16, 24, 40, 0.08);
  --radius: 18px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(37, 87, 214, 0.14), transparent 34rem),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
textarea { resize: vertical; }

.shell {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.hidden { display: none !important; }

.login-card {
  margin: 8vh auto 0;
  max-width: 520px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  padding: 36px;
}

.brand-block { margin-bottom: 24px; }
.eyebrow {
  margin: 0 0 7px;
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

h1, h2, h3 { margin: 0; line-height: 1.15; }
h1 { font-size: clamp(2rem, 5vw, 3rem); letter-spacing: -0.045em; }
h2 { font-size: 1.25rem; letter-spacing: -0.02em; }
h3 { font-size: 1rem; }

.muted { color: var(--muted); }
.small { font-size: 0.9rem; }
.hint { display: block; color: var(--muted); font-size: 0.82rem; margin-top: 6px; }
.error { color: var(--danger); min-height: 1.2rem; margin: 4px 0 0; }
.status-text { min-height: 1.4rem; color: var(--muted); margin: 0; }

.app { display: grid; gap: 20px; }
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 24px;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.topbar-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.status-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary-dark);
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}
.status-pill.bad { background: var(--danger-bg); color: var(--danger); }
.status-pill.ok { background: #eaf8f0; color: var(--ok); }

.tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px;
}
.tab {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  border-radius: 16px;
  padding: 13px 14px;
  font-weight: 800;
  transition: 0.16s ease;
}
.tab:hover, .tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: translateY(-1px);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.grid { display: grid; gap: 20px; }
.grid.two { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.grid.compact { gap: 12px; }
.stack { display: grid; gap: 16px; }
.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}
.section-heading.tight { margin-top: 18px; }

label, .label-heading {
  display: grid;
  gap: 7px;
  color: #344054;
  font-size: 0.94rem;
  font-weight: 750;
}
input, textarea, select {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: 13px;
  padding: 11px 12px;
  color: var(--text);
  background: #fff;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37, 87, 214, 0.12);
}

button {
  border: 0;
  border-radius: 13px;
  padding: 10px 14px;
  font-weight: 850;
}
button:disabled { opacity: 0.55; cursor: not-allowed; }
.primary { background: var(--primary); color: white; }
.primary:hover:not(:disabled) { background: var(--primary-dark); }
.secondary { background: var(--soft); color: var(--primary-dark); }
.secondary:hover:not(:disabled) { background: #dfe9ff; }
.danger { background: var(--danger-bg); color: var(--danger); }
.wide { width: 100%; padding: 13px 16px; }
.button-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.segmented {
  border: 1px solid var(--border);
  min-height: 78px;
  border-radius: 16px;
  padding: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.segmented legend { padding: 0 6px; color: var(--muted); font-size: 0.85rem; font-weight: 800; }
.segmented label {
  display: inline-flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  background: #f8faff;
  border: 1px solid var(--border);
  padding: 9px 12px;
  border-radius: 999px;
}
.segmented input { width: auto; }
.subpanel {
  background: #fafcff;
  min-height: 282px;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.dropzone {
  border: 2px dashed #aab7cc;
  border-radius: 20px;
  min-height: 184px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 24px;
  color: var(--muted);
  background: linear-gradient(180deg, #fbfdff 0%, #f4f7ff 100%);
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--primary);
  background: #eef4ff;
  transform: translateY(-1px);
}
.dropzone strong { color: var(--text); font-size: 1.05rem; }
.drop-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--primary);
  color: white;
  border-radius: 14px;
  font-size: 1.35rem;
}
.selected-file { margin: 6px 0 0; color: var(--primary-dark); font-weight: 750; }

.cards-list, .generations-list { display: grid; gap: 12px; }
.card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  background: #fff;
}
.card.active { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(37, 87, 214, 0.08); }
.card-title { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.card h3 { margin-bottom: 5px; }
.card p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }

.checkbox-list {
  display: grid;
  gap: 9px;
  max-height: 360px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 12px;
  background: #fbfcff;
}
.checkbox-list label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border);
  font-weight: 650;
}
.checkbox-list input { width: auto; }

.empty-state {
  border: 1px dashed var(--border-strong);
  border-radius: 18px;
  padding: 24px;
  color: var(--muted);
  background: #fbfcff;
}
.output-list { display: grid; gap: 12px; }
.output-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fff;
}
.output-item strong { display: block; }
a.download-link {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 8px 12px;
  background: var(--soft);
  color: var(--primary-dark);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
a.download-link:hover { background: #dfe9ff; }

.generation-group {
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: #fff;
}
.group-header {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px;
  background: #f7faff;
  border-bottom: 1px solid var(--border);
}
.run-block { padding: 16px; border-bottom: 1px solid var(--border); }
.run-block:last-child { border-bottom: 0; }
.run-meta { color: var(--muted); font-size: 0.88rem; margin: 4px 0 12px; }

.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.suggestion-chip {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--text);
  font-weight: 700;
  font-size: 0.88rem;
}

hr { border: 0; border-top: 1px solid var(--border); margin: 18px 0; }

@media (max-width: 900px) {
  .topbar, .section-heading { flex-direction: column; align-items: stretch; }
  .grid.two { grid-template-columns: 1fr; }
  .tabs { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  .shell { width: min(100% - 20px, 1240px); padding-top: 16px; }
  .panel, .login-card, .topbar { padding: 18px; border-radius: 20px; }
  .tabs { grid-template-columns: 1fr; }
  .output-item, .group-header { flex-direction: column; align-items: flex-start; }
}


.output-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.download-link.secondary {
  background: #ffffff;
  color: #203047;
  border: 1px solid #cbd5e1;
}

.range-label {
  align-content: start;
}
.range-title {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}
input[type="range"] {
  padding: 0;
  border: 0;
  box-shadow: none;
  accent-color: var(--primary);
}

.run-dropdown {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fff;
  overflow: hidden;
}
.run-dropdown summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  cursor: pointer;
  font-weight: 850;
  background: #f7faff;
}
.run-dropdown summary::-webkit-details-marker { display: none; }
.run-dropdown summary::before {
  content: "▸";
  color: var(--primary);
  font-weight: 900;
  margin-right: 2px;
}
.run-dropdown[open] summary::before { content: "▾"; }
.run-dropdown summary span:first-child {
  flex: 1;
}
.summary-count {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 750;
  white-space: nowrap;
}
.run-body {
  padding: 16px;
  border-top: 1px solid var(--border);
}

.checkbox-card {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 14px;
  padding: 12px;
  font-weight: 700;
}
.checkbox-card input {
  width: auto;
  margin-top: 3px;
}
.checkbox-card span {
  display: grid;
  gap: 3px;
}
.checkbox-card small {
  color: var(--muted);
  font-weight: 500;
  line-height: 1.35;
}
.combined-output {
  background: #f7faff;
  border-color: var(--primary);
}
.stacked-actions {
  align-items: flex-start;
}

.file-remove {
  margin-top: 8px;
  padding: 8px 12px;
}

.format-choice {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.run-time {
  color: var(--muted);
  font-weight: 650;
  font-size: 0.86rem;
  margin-left: 8px;
}

.alter-panel {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #fbfcff;
  padding: 14px;
  margin: 14px 0;
  display: grid;
  gap: 12px;
}

.alter-note {
  color: var(--muted);
  font-size: 0.9rem;
  margin: 8px 0 0;
}

.output-actions.stacked-actions {
  align-items: flex-start;
  justify-content: flex-end;
}

@media (max-width: 620px) {
  .run-dropdown summary {
    flex-direction: column;
    align-items: flex-start;
  }
  .summary-count {
    white-space: normal;
  }
}

code {
  background: #eef4ff;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 1px 5px;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.admin-stat-card {
  border: 1px solid var(--border);
  background: #fbfcff;
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 6px;
}
.admin-stat-card span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.admin-stat-card strong {
  font-size: 1.7rem;
  letter-spacing: -0.03em;
}
.admin-stat-card small {
  color: var(--muted);
  line-height: 1.35;
}

.admin-calendar {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}
.calendar-day {
  min-height: 108px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  padding: 10px;
  display: grid;
  align-content: start;
  gap: 3px;
  color: var(--muted);
  font-size: 0.82rem;
}
.calendar-day strong {
  color: var(--text);
  font-size: 1rem;
}
.calendar-day small {
  color: var(--primary-dark);
  font-weight: 800;
}
.calendar-day.level-1 { background: #f7faff; border-color: #bfd0ff; }
.calendar-day.level-2 { background: #eef4ff; border-color: #99b6ff; }
.calendar-day.level-3 { background: #e5edff; border-color: #739bff; }
.calendar-day.level-4 { background: #dae7ff; border-color: #4e80ff; }
.calendar-day.level-5 { background: #cfdeff; border-color: var(--primary); }

.admin-table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  min-width: 840px;
}
.admin-table.compact-table { min-width: 620px; }
.admin-table th, .admin-table td {
  border-bottom: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
  font-size: 0.9rem;
}
.admin-table th {
  background: #f7faff;
  color: #344054;
  font-weight: 850;
}
.admin-table tr:last-child td { border-bottom: 0; }

.admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.admin-subpanel {
  border: 1px solid var(--border);
  background: #fbfcff;
  border-radius: 16px;
  padding: 16px;
  overflow: auto;
}
.admin-subpanel h3 { margin-bottom: 10px; }
.admin-mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px;
}
.admin-mini-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  border-bottom: 1px solid var(--border);
  padding-bottom: 8px;
  color: var(--muted);
  font-size: 0.9rem;
}
.admin-mini-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.admin-mini-list strong {
  color: var(--text);
  white-space: nowrap;
}
.status-success { color: var(--ok) !important; }
.status-failed { color: var(--danger) !important; }
.status-started { color: var(--warn) !important; }

@media (max-width: 900px) {
  .admin-stats, .admin-grid { grid-template-columns: 1fr; }
  .admin-calendar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.auth-switch {
  display: flex;
  gap: 8px;
  margin: 14px 0 18px;
}
.auth-switch button.active {
  border-color: var(--primary);
  background: #eef4ff;
  color: var(--primary-dark);
}
.credit-pill.ok { background: #ecfdf3; color: #027a48; border-color: #abefc6; }
.credit-pill.bad { background: #fff4ed; color: #b54708; border-color: #fed7aa; }
.credit-warning {
  border: 1px solid var(--border);
  background: #fbfcff;
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 0.92rem;
}
.credit-summary {
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 8px;
}
.credit-balance {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}
.credit-balance span {
  color: var(--muted);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.82rem;
}
.credit-balance strong {
  font-size: 1.8rem;
  letter-spacing: -0.03em;
}
.payment-box {
  border: 1px solid var(--border);
  background: #fbfcff;
  border-radius: 16px;
  padding: 16px;
  display: grid;
  gap: 10px;
}

.package-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
  margin: 12px 0;
}
.package-card {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
}
.package-card.selected {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}
.package-card span {
  display: grid;
  gap: 3px;
}
.package-card small {
  color: var(--muted);
}
.optional {
  color: var(--muted);
  font-weight: 500;
  font-size: 0.85em;
}
.site-footer {
  max-width: 1120px;
  margin: 16px auto 32px;
  padding: 0 24px;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
}
.site-footer a {
  color: var(--muted);
  text-decoration: none;
}
.site-footer a:hover { text-decoration: underline; }
.legal-card {
  max-width: 860px;
  margin: 40px auto;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.legal-card h1 { margin-top: 0; }
.legal-card li { margin-bottom: 8px; }


button:disabled,
input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.progress-panel {
  display: grid;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  background: #fbfcff;
}
.progress-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 750;
}
.progress-track {
  width: 100%;
  height: 12px;
  border-radius: 999px;
  overflow: hidden;
  background: #e7edf7;
  border: 1px solid var(--border);
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 999px;
  transition: width 0.45s ease;
}
.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 50;
  max-width: min(420px, calc(100vw - 48px));
  border-radius: 16px;
  padding: 14px 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
  font-weight: 800;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.toast.visible {
  opacity: 1;
  transform: translateY(0);
}
.toast.success {
  border-color: #bde7ce;
  background: #eaf8f0;
  color: var(--ok);
}
.toast.error {
  border-color: #ffd1c9;
  background: var(--danger-bg);
  color: var(--danger);
}

.admin-filter-row {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.admin-filter-row label {
  min-width: 220px;
}
.compact-stats {
  margin-bottom: 14px;
}
@media (min-width: 900px) {
  #individualControls, #classControls { min-height: 360px; }
}

.checkline {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  font-size: 0.9rem;
  line-height: 1.35;
}

.checkline input {
  width: auto;
  margin-top: 0.2rem;
  flex: 0 0 auto;
}

.summary-card p {
  margin: 0.35rem 0;
}