* {
  box-sizing: border-box;
}

:root {
  --bg: #f4faf9;
  --panel: #ffffff;
  --panel-soft: #eaf6f3;
  --text: #0b2540;
  --text-soft: #56757d;
  --text-faint: #7e9aa0;
  --line: #d5e8e1;
  --line-strong: #9cccb8;
  --primary: #0f9d8c;
  --primary-deep: #0b7a6e;
  --primary-soft: #d8f0e9;
  --warm: #e0a400;
  --danger: #b15d66;
  --shadow: 0 8px 24px rgba(11, 37, 64, 0.08);
  --success-soft: #dff7e8;
  --success-text: #205b37;
  --warn-soft: #fbecca;
  --warn-text: #744500;
}

:root[data-theme="dark"] {
  --bg: #081826;
  --panel: #0b2540;
  --panel-soft: #0f2e49;
  --text: #f7fafa;
  --text-soft: #a6c6ca;
  --text-faint: #6e8b93;
  --line: #1c4a55;
  --line-strong: #2f6d74;
  --primary: #12b8a3;
  --primary-deep: #8fd8ce;
  --primary-soft: #0e2e38;
  --warm: #f2b705;
  --danger: #d98a93;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --success-soft: #173c28;
  --success-text: #8ee0ae;
  --warn-soft: #3a2c0e;
  --warn-text: #f0c67f;
}

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

h1,
h2,
p {
  margin: 0;
}

button,
.secondary-button {
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.hidden {
  display: none !important;
}

.topbar {
  min-height: 88px;
  padding: 20px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  flex-shrink: 0;
}

.eyebrow {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
}

h1,
h2 {
  margin: 0;
  font-weight: 700;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 24px;
}

.banner {
  padding: 12px 48px;
  font-size: 14px;
}

.banner--warn {
  background: var(--warn-soft);
  color: var(--warn-text);
}

.app-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 30px 24px;
  display: grid;
  grid-template-columns: 260px minmax(720px, 1fr);
  gap: 24px;
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
}

.panel--sidebar {
  min-height: 520px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
}

.nav {
  margin-top: 80px;
  display: grid;
  gap: 12px;
}

.nav-item {
  display: block;
  color: var(--text-soft);
  text-decoration: none;
  padding: 12px 14px;
  border-radius: 10px;
}

.nav-item.is-selected {
  color: var(--primary-deep);
  background: var(--primary-soft);
}

.privacy-note {
  margin-top: auto;
  padding-top: 24px;
  font-size: 12px;
  color: var(--text-faint);
}

.workspace {
  display: grid;
  gap: 20px;
}

.card {
  padding: 28px;
  box-shadow: var(--shadow);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 22px;
}

.card-header.compact {
  align-items: start;
}

.composer-card textarea {
  width: 100%;
  min-height: 200px;
  resize: vertical;
  padding: 18px;
  border-radius: 10px;
  border: 1px solid var(--line-strong);
  outline: none;
  font: inherit;
  color: var(--text);
  background: var(--panel-soft);
}

.button-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.primary-button,
.secondary-button {
  border: none;
  border-radius: 8px;
  padding: 11px 18px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}

.primary-button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.ghost-button {
  border-radius: 8px;
  padding: 11px 18px;
  background: transparent;
  border: 1px solid var(--line-strong);
  color: var(--primary-deep);
}

.progress {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.progress-step {
  flex: 1 1 150px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--text-soft);
  background: var(--panel);
  text-align: center;
}

.progress-step.is-active {
  color: #fff;
  border-color: var(--primary);
  background: var(--primary);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
}

.badge--idle {
  background: var(--primary-soft);
  color: var(--primary-deep);
}

.badge--active {
  background: var(--warn-soft);
  color: var(--warn-text);
}

.badge--done {
  background: var(--success-soft);
  color: var(--success-text);
}

.output {
  color: var(--text-soft);
}

.output .empty-state {
  margin: 0;
}

.results-summary {
  margin-bottom: 12px;
}

.success {
  color: var(--success-text);
}

.error {
  color: var(--danger);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .panel--sidebar {
    min-height: auto;
  }

  .nav {
    margin-top: 24px;
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 600px) {
  .topbar {
    padding: 16px 20px;
  }

  .app-shell {
    padding: 20px 12px;
  }

  .card {
    padding: 20px;
  }

  .nav {
    grid-template-columns: 1fr 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}