:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --line: #d1d5db;
  --primary: #0f766e;
  --primary-hover: #115e59;
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, #edf4ff 0%, var(--bg) 100%);
  color: var(--text);
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.card {
  width: min(760px, 100%);
  background: var(--card);
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
  padding: 24px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
}

.header-copy {
  flex: 1;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.35rem;
}

p {
  margin: 0 0 20px;
  color: var(--muted);
}

.session-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.session-chip {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 10px 14px;
  border: 1px solid #d1fae5;
  border-radius: 999px;
  background: #ecfdf5;
  color: #065f46;
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
}

.section {
  border-top: 1px solid #e5e7eb;
  padding-top: 20px;
  margin-top: 20px;
}

.section:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}

.section-title {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  font-size: 0.95rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.95rem;
  background: white;
}

input:focus,
select:focus {
  outline: 2px solid rgba(15, 118, 110, 0.2);
  border-color: var(--primary);
}

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

button {
  margin-top: 6px;
  border: none;
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--primary);
  color: white;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
}

button:hover:enabled {
  background: var(--primary-hover);
}

button.secondary {
  background: #e5e7eb;
  color: var(--text);
}

button.secondary:hover:enabled {
  background: #d1d5db;
}

button.analysis {
  background: #4f46e5;
}

button.analysis:hover:enabled {
  background: #4338ca;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.status {
  margin-top: 16px;
  padding: 12px;
  border-radius: 10px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  font-size: 0.92rem;
  white-space: pre-wrap;
}

.status.error {
  color: var(--danger);
  border-color: #fecaca;
  background: #fef2f2;
}

.download-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.download-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}

.download-link:hover {
  background: var(--primary-hover);
}

.hint {
  margin: 0;
  color: var(--muted);
  font-weight: 400;
  font-size: 0.85rem;
}

.dashboard-preparation {
  display: grid;
  gap: 18px;
  padding: 18px;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  background: #f8fafc;
}

.preparation-label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.dashboard-preparation h3,
.dashboard-preparation h4 {
  margin: 0;
}

.dashboard-preparation h3 {
  margin-top: 4px;
  font-size: 1.05rem;
}

.dashboard-preparation h4 {
  font-size: 0.94rem;
}

.preparation-block {
  display: grid;
  gap: 10px;
}

.filter-summary,
.tabs-selection {
  display: grid;
  gap: 8px;
}

.filter-summary-item,
.tab-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 9px;
  background: white;
}

.filter-summary-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.filter-name,
.tab-name {
  font-weight: 700;
  color: var(--text);
}

.filter-value,
.tab-count {
  color: var(--muted);
  font-size: 0.86rem;
  overflow-wrap: anywhere;
}

.filter-source {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  background: #e2e8f0;
  color: #475569;
  font-size: 0.76rem;
  font-weight: 700;
}

.filter-source.url {
  background: #dbeafe;
  color: #1d4ed8;
}

.tab-heading,
.selection-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.tab-option {
  display: grid;
  grid-template-columns: auto 1fr auto;
  cursor: pointer;
  font-weight: 400;
}

.tab-option input {
  width: auto;
  margin: 0;
}

.debug-option {
  display: flex;
  grid-template-columns: none;
  align-items: flex-start;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 1px dashed #cbd5e1;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
}

.debug-option input {
  width: auto;
  margin: 3px 0 0;
}

.debug-option span {
  display: grid;
  gap: 3px;
}

.debug-option small {
  color: var(--muted);
  font-weight: 400;
}

button.text-button {
  margin: 0;
  padding: 2px;
  background: transparent;
  color: var(--primary);
  font-size: 0.82rem;
}

button.text-button:hover:enabled {
  background: transparent;
  color: var(--primary-hover);
  text-decoration: underline;
}

.recent-exports {
  display: grid;
  gap: 10px;
}

.recent-export-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  background: #f8fafc;
}

.recent-export-copy {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.recent-export-title {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--text);
}

.recent-export-meta {
  color: var(--muted);
  font-size: 0.86rem;
}

.recent-export-file {
  color: var(--muted);
  font-size: 0.84rem;
  word-break: break-word;
}

.app-version {
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.82rem;
  text-align: right;
}

[hidden] {
  display: none !important;
}

@media (max-width: 700px) {
  .header {
    flex-direction: column;
    align-items: stretch;
  }

  .session-controls {
    justify-content: flex-start;
  }

  .recent-export-item {
    flex-direction: column;
  }
}