/* Newsongbird micro-tool platform styles */
:root {
  --nb-primary: #1a7f5a;
  --nb-primary-dark: #146347;
  --nb-accent: #f59e0b;
  --nb-bg: #fafcfa;
  --nb-card: #ffffff;
  --nb-text: #1a2e25;
  --nb-muted: #5c7268;
  --nb-border: #d4e0d9;
  --nb-radius: 12px;
}

.nb-body {
  background: var(--nb-bg);
  color: var(--nb-text);
  font-family: -apple-system, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  margin: 0;
  min-height: 100vh;
}

.nb-hero {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 20px 24px;
  text-align: center;
}

.nb-hero h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--nb-primary-dark);
}

.nb-hero p {
  font-size: 1.1rem;
  color: var(--nb-muted);
  margin: 0;
}

.nb-tool-grid {
  max-width: 860px;
  margin: 32px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.nb-tool-card {
  background: var(--nb-card);
  border: 1px solid var(--nb-border);
  border-radius: var(--nb-radius);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow .2s, transform .15s;
}

.nb-tool-card:hover {
  box-shadow: 0 4px 16px rgba(26,127,90,.12);
  transform: translateY(-2px);
}

.nb-tool-card h3 {
  margin: 0;
  font-size: 1.05rem;
  color: var(--nb-primary-dark);
}

.nb-tool-card p {
  margin: 0;
  font-size: .85rem;
  color: var(--nb-muted);
  flex: 1;
}

.nb-tool-card .nb-price {
  font-weight: 700;
  color: var(--nb-primary);
  font-size: .95rem;
}

/* --- Tool detail page --- */
.nb-tool-wrap {
  max-width: 640px;
  margin: 40px auto;
  padding: 0 20px;
}

.nb-tool-wrap h1 {
  font-size: 1.6rem;
  color: var(--nb-primary-dark);
  margin: 0 0 6px;
}

.nb-tool-wrap .nb-sub {
  color: var(--nb-muted);
  font-size: .95rem;
  margin: 0 0 24px;
}

.nb-form {
  background: var(--nb-card);
  border: 1px solid var(--nb-border);
  border-radius: var(--nb-radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.nb-field label {
  display: block;
  font-weight: 600;
  font-size: .85rem;
  margin-bottom: 4px;
  color: var(--nb-text);
}

.nb-field input,
.nb-field select,
.nb-field textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--nb-border);
  border-radius: 8px;
  font-size: .95rem;
  font-family: inherit;
  box-sizing: border-box;
}

.nb-field textarea { min-height: 100px; resize: vertical; }

.nb-choice-group {
  margin: 0;
  padding: 16px;
  background: var(--nb-card);
  border: 1px solid var(--nb-border);
  border-radius: var(--nb-radius);
}

.nb-choice-group legend {
  padding: 0 8px;
  color: var(--nb-text);
  font-weight: 700;
}

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

.nb-choice {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: #f8faf8;
  border: 1px solid var(--nb-border);
  border-radius: 999px;
  color: var(--nb-text);
  font-size: .9rem;
  line-height: 1.2;
  cursor: pointer;
  user-select: none;
}

.nb-choice:hover {
  border-color: var(--nb-primary);
  background: #f0faf5;
}

.nb-choice:has(input:checked) {
  border-color: var(--nb-primary);
  background: #e6f4ee;
  font-weight: 600;
}

.nb-choice input {
  width: auto;
  margin: 0;
  accent-color: var(--nb-primary);
}

/* Demand Miner option cards */
body.nb-demand-body .nb-dimension-card,
body.nb-demand-body .nb-question-card {
  min-width: 0;
  padding: 22px;
  background: #fbfdfc;
  border: 1px solid #e3ede7;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(31, 65, 53, .04);
}

body.nb-demand-body .nb-dimension-head,
body.nb-demand-body .nb-question-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

body.nb-demand-body .nb-dimension-head::before,
body.nb-demand-body .nb-question-head::before {
  content: "";
  width: 4px;
  height: 18px;
  flex: 0 0 auto;
  border-radius: 999px;
  background: linear-gradient(180deg, #2ea274, #166a4c);
}

body.nb-demand-body .nb-dimension-head h3,
body.nb-demand-body .nb-question-head h3 {
  margin: 0;
  color: #173f31;
  font-size: 1rem;
  font-weight: 750;
  letter-spacing: -.01em;
}

body.nb-demand-body .nb-question-head {
  align-items: flex-start;
}

body.nb-demand-body .nb-question-head small {
  display: block;
  margin-top: 3px;
  color: #65796f;
  font-size: .82rem;
}

body.nb-demand-body .nb-option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 11px;
}

body.nb-demand-body .nb-option-grid-compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

body.nb-demand-body .nb-option {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 52px;
  padding: 11px 13px;
  background: #fff;
  border: 1px solid #dfeae4;
  border-radius: 14px;
  color: #273c33;
  font-size: .88rem;
  line-height: 1.35;
  cursor: pointer;
  user-select: none;
  transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

body.nb-demand-body .nb-option:hover {
  background: #f5fbf8;
  border-color: #9dc9b8;
  transform: translateY(-1px);
}

body.nb-demand-body .nb-option-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

body.nb-demand-body .nb-option-marker {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
  border: 1.5px solid #c8d9d1;
  border-radius: 7px;
  background: #fff;
  color: transparent;
  font-size: .7rem;
  font-weight: 900;
  transition: background .16s ease, border-color .16s ease, color .16s ease;
}

body.nb-demand-body .nb-option-label {
  min-width: 0;
  overflow-wrap: anywhere;
}

body.nb-demand-body .nb-option.is-selected {
  background: #edf8f3;
  border-color: var(--nb-primary);
  box-shadow: 0 4px 14px rgba(26, 127, 90, .08);
}

body.nb-demand-body .nb-option.is-selected .nb-option-marker {
  background: var(--nb-primary);
  border-color: var(--nb-primary);
  color: #fff;
}

body.nb-demand-body .nb-option:has(input:focus-visible) {
  outline: 2px solid rgba(46, 162, 116, .45);
  outline-offset: 2px;
}

body.nb-demand-body .nb-template-section {
  display: grid;
  gap: 20px;
  padding: 24px;
  background: #f8fbf9;
  border: 1px solid #e5eee9;
  border-radius: 22px;
}

body.nb-demand-body .nb-template-head {
  display: flex;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid #e4eee8;
}

body.nb-demand-body .nb-template-head span {
  color: #35544a;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

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

.nb-btn {
  padding: 10px 24px;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.nb-btn-primary {
  background: var(--nb-primary);
  color: #fff;
}
.nb-btn-primary:hover { background: var(--nb-primary-dark); }
.nb-btn-primary:disabled { opacity: .5; cursor: not-allowed; }

.nb-msg {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: .9rem;
  margin-top: 12px;
  display: none;
}
.nb-msg.error { display: block; background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.nb-msg.info { display: block; background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.nb-msg.success { display: block; background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }

/* --- Output --- */
.nb-output {
  background: var(--nb-card);
  border: 1px solid var(--nb-border);
  border-radius: var(--nb-radius);
  padding: 24px;
  margin-top: 20px;
  white-space: pre-wrap;
  font-size: .92rem;
  line-height: 1.6;
  display: none;
}

.nb-output-actions {
  display: flex;
  gap: 10px;
  margin-top: 12px;
}

.nb-btn-outline {
  background: transparent;
  border: 1px solid var(--nb-primary);
  color: var(--nb-primary);
}
.nb-btn-outline:hover { background: #f0faf5; }

/* --- Footer --- */
.nb-footer {
  max-width: 720px;
  margin: 48px auto 32px;
  padding: 0 20px;
  text-align: center;
  color: var(--nb-muted);
  font-size: .8rem;
}

.nb-footer a { color: var(--nb-primary); text-decoration: none; }

/* --- Demand Miner polish --- */
body.nb-demand-body {
  min-height: 100vh;
  padding: 24px 0 64px;
  background:
    radial-gradient(1100px 460px at 50% -140px, #d8f0e5 0%, rgba(216, 240, 229, 0) 68%),
    linear-gradient(180deg, #f5f8f6 0%, #f3f6f4 100%);
}

body.nb-demand-body .nb-demand-header {
  max-width: 980px;
  margin: 0 auto 22px;
  padding: 15px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  position: static;
  background: rgba(255, 255, 255, .88);
  border: 1px solid #dce8e1;
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(31, 65, 53, .06);
  backdrop-filter: saturate(150%) blur(14px);
  -webkit-backdrop-filter: saturate(150%) blur(14px);
}

body.nb-demand-body .nb-demand-header .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--nb-primary-dark);
  font-size: 1rem;
  font-weight: 800;
}

body.nb-demand-body .nb-demand-header .brand .logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: #e8f5ef;
  border: 1px solid #bfd8cd;
  border-radius: 12px;
  box-shadow: none;
  font-size: 18px;
}

body.nb-demand-body .nb-demand-shell {
  width: min(980px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

body.nb-demand-body main {
  padding: 0;
}

body.nb-demand-body .nb-demand-header .auth-link {
  background: #fff;
  border-color: #bfd8cd;
  color: var(--nb-primary-dark);
}

body.nb-demand-body .nb-demand-header .auth-link:hover {
  background: #f2faf6;
  border-color: var(--nb-primary);
  color: var(--nb-primary-dark);
  transform: translateY(-1px);
}

body.nb-demand-body .nb-demand-header .auth-primary {
  background: linear-gradient(135deg, #1f9266, var(--nb-primary-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 8px 20px rgba(26, 127, 90, .18);
}

body.nb-demand-body .nb-demand-header .auth-primary:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

body.nb-demand-body :focus-visible {
  outline: 2px solid rgba(46, 162, 116, .45);
  outline-offset: 3px;
}

body.nb-demand-body h1 {
  margin: 4px 0 10px;
  color: #123c2d;
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -.035em;
}

body.nb-demand-body .nb-sub {
  max-width: 720px;
  margin: 0;
  color: #60756c;
  font-size: 1rem;
  line-height: 1.65;
}

body.nb-demand-body .nb-form {
  gap: 22px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, .88);
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, .90) 100%);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, .9) inset,
    0 22px 60px rgba(31, 65, 53, .07);
}

body.nb-demand-body h2 {
  margin: 0;
  color: #173f31;
  font-size: 1.12rem;
  letter-spacing: -.015em;
}

body.nb-demand-body .nb-form > h2 {
  display: flex;
  align-items: center;
  gap: 10px;
}

body.nb-demand-body .nb-form > h2::before {
  content: "";
  width: 9px;
  height: 9px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: #2ea274;
  box-shadow: 0 0 0 4px rgba(46, 162, 116, .12);
}

body.nb-demand-body #dimensionGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

body.nb-demand-body .nb-choice-group {
  min-width: 0;
  padding: 22px;
  background: #f6faf7;
  border: 0;
  border-radius: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .95);
}

body.nb-demand-body .nb-choice-group legend {
  padding: 0;
  color: #3e5a4f;
  font-size: .9rem;
  font-weight: 750;
}

body.nb-demand-body .nb-choice-list {
  margin-top: 12px;
  gap: 10px;
}

body.nb-demand-body .nb-choice {
  padding: 9px 13px;
  background: #fff;
  border-color: #dce8e1;
  border-radius: 14px;
  font-size: .88rem;
  transition: background .16s ease, border-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

body.nb-demand-body .nb-choice:hover {
  border-color: #9dc9b8;
  background: #f2faf6;
  transform: translateY(-1px);
}

body.nb-demand-body .nb-choice:has(input:checked) {
  background: #e8f5ef;
  border-color: var(--nb-primary);
  box-shadow: 0 0 0 2px rgba(26, 127, 90, .08);
}

body.nb-demand-body .nb-field label {
  margin-bottom: 8px;
  font-size: .82rem;
  color: #3e5a4f;
}

body.nb-demand-body .nb-field input,
body.nb-demand-body .nb-field select,
body.nb-demand-body .nb-field textarea {
  padding: 12px 14px;
  background: #fbfdfc;
  border-color: #dce8e1;
  border-radius: 12px;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}

body.nb-demand-body .nb-field input:focus,
body.nb-demand-body .nb-field select:focus,
body.nb-demand-body .nb-field textarea:focus {
  outline: none;
  background: #fff;
  border-color: #83c0aa;
  box-shadow: 0 0 0 4px rgba(26, 127, 90, .09);
}

body.nb-demand-body .nb-field textarea {
  min-height: 118px;
  line-height: 1.55;
}

body.nb-demand-body .nb-actions {
  margin-top: 10px;
  flex-wrap: wrap;
}

body.nb-demand-body section {
  min-width: 0;
}

body.nb-demand-body .nb-btn {
  padding: 12px 22px;
  border-radius: 999px;
  font-size: .92rem;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
}

body.nb-demand-body .nb-btn-primary {
  box-shadow: 0 8px 20px rgba(26, 127, 90, .16);
}

body.nb-demand-body .nb-btn-primary:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(26, 127, 90, .20);
}

body.nb-demand-body .nb-btn-outline {
  border-color: #bfd8cd;
  color: var(--nb-primary-dark);
}

body.nb-demand-body .nb-btn-outline:hover {
  border-color: var(--nb-primary);
  background: #fff;
}

body.nb-demand-body .nb-msg {
  display: none;
  border-radius: 14px;
  padding: 13px 16px;
  font-size: .92rem;
}

body.nb-demand-body .nb-msg.error,
body.nb-demand-body .nb-msg.info,
body.nb-demand-body .nb-msg.success {
  display: block;
}

body.nb-demand-body .nb-demand-topup {
  display: none;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px;
  background: #fffbf2;
  border: 1px solid #f2dfba;
  border-radius: 18px;
}

body.nb-demand-body #resultOutput {
  margin-top: 14px;
  border-radius: 16px;
  font-size: .93rem;
  line-height: 1.7;
}

body.nb-demand-body #reportList {
  display: grid;
  gap: 10px;
  color: #60756c;
  font-size: .92rem;
}

/* Demand Miner must remain a light surface even though the global app shell
   styles semantic header/footer elements with a dark theme. */
body.nb-demand-body {
  color-scheme: light;
}

body.nb-demand-body .nb-dimension-head,
body.nb-demand-body .nb-question-head,
body.nb-demand-body .nb-template-head {
  position: static;
  top: auto;
  z-index: auto;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

body.nb-demand-body .nb-dimension-head,
body.nb-demand-body .nb-question-head {
  border: 0;
}

body.nb-demand-body .nb-template-head {
  border-bottom: 1px solid #e4eee8;
}

body.nb-demand-body .nb-field input,
body.nb-demand-body .nb-field select,
body.nb-demand-body .nb-field textarea {
  color: #123c2d;
}

body.nb-demand-body footer.nb-footer {
  background: transparent;
  border: 0;
  box-shadow: none;
  color: #60756c;
}

body.nb-demand-body footer.nb-footer a {
  color: var(--nb-primary-dark);
}

@media (max-width: 720px) {
  body.nb-demand-body {
    padding-top: 14px;
  }
  body.nb-demand-body .nb-demand-header {
    align-items: flex-start;
    flex-direction: column;
    padding: 0 20px;
  }
  body.nb-demand-body .nb-demand-shell {
    width: min(980px, calc(100% - 32px));
  }
  body.nb-demand-body .nb-form {
    padding: 20px;
    border-radius: 18px;
  }
  body.nb-demand-body .nb-choice-group {
    padding: 16px;
  }
}