:root {
  color-scheme: dark;
  --bg: #0a0b0d;
  --panel: #121418;
  --panel-2: #191c21;
  --border: #292d34;
  --text: #f7f7f8;
  --muted: #a2a8b3;
  --accent: #8ca8ff;
  --accent-2: #b8c7ff;
  --danger: #ff9898;
  --radius: 18px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 20% 0%, #161b29 0, transparent 34rem), var(--bg); }
button, input, select { font: inherit; }
button, .text-link { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 58px 0 48px; }
.hero, .results-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; }
.hero { margin-bottom: 32px; }
.eyebrow { margin: 0 0 10px; color: var(--accent-2); letter-spacing: .16em; font-size: .75rem; font-weight: 800; }
h1 { max-width: 760px; margin: 0; font-size: clamp(2.8rem, 7vw, 5.8rem); line-height: .98; letter-spacing: -.06em; }
h2 { margin: 0; font-size: clamp(1.6rem, 3vw, 2.4rem); letter-spacing: -.04em; }
.lede { max-width: 700px; margin: 22px 0 0; color: var(--muted); font-size: 1.08rem; line-height: 1.65; }
.header-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.text-link { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--border); padding-bottom: 3px; }
.support-link { color: var(--accent-2); text-decoration: none; border: 1px solid rgba(140,168,255,.35); background: rgba(140,168,255,.07); border-radius: 10px; padding: 9px 12px; font-size: .9rem; font-weight: 700; }
.support-link:hover { border-color: rgba(140,168,255,.7); background: rgba(140,168,255,.11); }
.card { background: rgba(18,20,24,.94); border: 1px solid var(--border); border-radius: var(--radius); }
.upload-card { padding: 18px; }
.drop-zone { padding: 70px 24px; text-align: center; border: 1px dashed #3d4451; border-radius: 14px; background: linear-gradient(180deg, rgba(255,255,255,.025), transparent); transition: .18s ease; }
.drop-zone.dragover, .drop-zone:focus-visible { border-color: var(--accent); background: rgba(140,168,255,.07); outline: none; }
.drop-icon { width: 54px; height: 54px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 50%; background: var(--panel-2); border: 1px solid var(--border); font-size: 1.6rem; }
.drop-zone h2 { font-size: 1.6rem; }
.drop-zone p { color: var(--muted); margin: 10px 0 22px; }
.primary-button, .secondary-button { border-radius: 10px; padding: 11px 16px; cursor: pointer; transition: .15s ease; }
.primary-button { border: 0; background: var(--text); color: #0b0c0e; font-weight: 750; }
.primary-button:hover { transform: translateY(-1px); }
.secondary-button { border: 1px solid var(--border); background: var(--panel-2); color: var(--text); }
.secondary-button:hover { border-color: #444a55; }
.privacy-note { display: flex; gap: 8px 14px; flex-wrap: wrap; justify-content: center; padding: 18px 12px 2px; color: var(--muted); font-size: .9rem; }
.privacy-note strong { color: var(--text); }
.help { margin: 18px 4px 0; padding: 16px 18px; border-top: 1px solid var(--border); color: var(--muted); }
.help summary { color: var(--text); cursor: pointer; font-weight: 700; }
.help li { margin: 10px 0; line-height: 1.5; }
.error { color: var(--danger); margin: 14px 4px 0; }
.results-heading { margin-bottom: 24px; }
.muted { color: var(--muted); margin: 8px 0 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.stat-card { padding: 22px; border: 1px solid var(--border); border-radius: 14px; background: var(--panel); }
.stat-card span { display: block; font-size: clamp(2rem, 4vw, 3rem); line-height: 1; font-weight: 800; letter-spacing: -.04em; }
.stat-card small { display: block; color: var(--muted); margin-top: 10px; font-size: .88rem; }
.stat-card.accent { border-color: rgba(140,168,255,.45); background: rgba(140,168,255,.07); }
.stat-card.subtle { border-color: #353943; background: rgba(255,255,255,.018); }
.results-card { overflow: hidden; }
.tabs { display: flex; overflow-x: auto; border-bottom: 1px solid var(--border); }
.tab { min-width: max-content; padding: 16px 18px; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); cursor: pointer; }
.tab span { margin-left: 6px; padding: 2px 7px; background: var(--panel-2); border-radius: 999px; font-size: .76rem; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }
.toolbar { display: grid; grid-template-columns: 1fr auto auto; gap: 10px; padding: 16px; border-bottom: 1px solid var(--border); }
.search-wrap input, select { width: 100%; border: 1px solid var(--border); background: #0e1013; color: var(--text); border-radius: 10px; padding: 11px 12px; outline: none; }
.search-wrap input:focus, select:focus { border-color: var(--accent); }
.bulk-bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.012); }
.select-all-control { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-size: .84rem; cursor: pointer; }
.select-all-control input, .row-select input { width: 17px; height: 17px; accent-color: var(--accent); cursor: pointer; }
.selected-count { color: var(--muted); font-size: .8rem; white-space: nowrap; }
.bulk-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.compact-button { padding: 7px 10px; font-size: .78rem; }
.ghost-button { border: 0; background: transparent; color: var(--muted); padding: 7px 8px; cursor: pointer; font-size: .78rem; }
.ghost-button:hover:not(:disabled) { color: var(--text); }
.ghost-button:disabled, .secondary-button:disabled { opacity: .4; cursor: not-allowed; }
.list-meta { padding: 12px 18px; color: var(--muted); font-size: .84rem; border-bottom: 1px solid var(--border); }
.account-list { max-height: 610px; overflow-y: auto; }
.account-row { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 14px; padding: 14px 18px; border-bottom: 1px solid #20242a; }
.row-select { display: grid; place-items: center; align-self: stretch; cursor: pointer; padding-right: 2px; }
.account-row:last-child { border-bottom: 0; }
.account-main { min-width: 0; }
.username-line { display: flex; align-items: center; gap: 9px; min-width: 0; flex-wrap: wrap; }
.username { color: var(--text); font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.unavailable-badge { display: inline-flex; align-items: center; width: max-content; padding: 3px 7px; border-radius: 999px; font-size: .68rem; font-weight: 700; line-height: 1.2; }
.unavailable-badge.manual { color: var(--accent-2); background: rgba(140,168,255,.10); border: 1px solid rgba(140,168,255,.25); }
.unavailable-badge.auto { color: #c0c5ce; background: rgba(255,255,255,.05); border: 1px solid #343943; }
.account-date { display: block; color: var(--muted); font-size: .78rem; margin-top: 4px; }
.instagram-link { color: var(--accent-2); text-decoration: none; font-size: .88rem; }
.instagram-link:hover { text-decoration: underline; }
.empty-state { text-align: center; color: var(--muted); padding: 72px 20px; }
.deleted-note { color: var(--muted); font-size: .83rem; text-align: center; }
footer { padding: 0 16px 30px; color: #747b86; text-align: center; font-size: .8rem; }
footer p { margin: 6px 0; }
footer a { color: #aeb6c4; text-decoration: none; }
footer a:hover { color: var(--text); text-decoration: underline; }
.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) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .shell { padding-top: 34px; }
  .hero, .results-heading { flex-direction: column; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .toolbar { grid-template-columns: 1fr; }
  .drop-zone { padding: 52px 18px; }
}

/* Interactive result controls */
.stat-card { color: inherit; text-align: left; font: inherit; cursor: pointer; transition: transform .15s ease, border-color .15s ease, background .15s ease; }
.stat-card:hover { transform: translateY(-2px); border-color: #464d59; }
.stat-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.stat-card.accent:hover { border-color: rgba(140,168,255,.75); background: rgba(140,168,255,.1); }
.account-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }
.unavailable-button, .restore-button { border: 1px solid var(--border); background: transparent; color: var(--muted); border-radius: 8px; padding: 7px 10px; cursor: pointer; font-size: .8rem; }
.unavailable-button:hover, .restore-button:hover { color: var(--text); border-color: #4b525e; background: var(--panel-2); }
.restore-button { color: var(--accent-2); }

@media (max-width: 620px) {
  .bulk-bar { align-items: flex-start; flex-wrap: wrap; }
  .bulk-actions { width: 100%; margin-left: 25px; justify-content: flex-start; }
  .account-row { grid-template-columns: auto minmax(0, 1fr); }
  .account-actions { grid-column: 2; justify-content: flex-start; }
  .row-select { grid-row: 1 / span 2; }
}

/* Legal notice and policy pages */
.legal-note {
  margin: 14px 4px 0;
  color: var(--muted);
  text-align: center;
  font-size: .78rem;
  line-height: 1.5;
}
.legal-note a,
.policy-card a {
  color: var(--accent-2);
}
.policy-shell {
  width: min(900px, calc(100% - 32px));
}
.policy-title {
  font-size: clamp(2.4rem, 6vw, 4.8rem);
}
.policy-card {
  padding: clamp(22px, 5vw, 42px);
  line-height: 1.72;
}
.policy-card > p:first-child {
  margin-top: 0;
}
.policy-card h2 {
  margin-top: 32px;
  font-size: 1.25rem;
  letter-spacing: -.02em;
}
.policy-card p {
  color: var(--muted);
}

.export-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}
@media (max-width: 760px) {
  .export-controls {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }
}


/* Comparison mode */
.mode-switch {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin: 0 0 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #0e1013;
}
.mode-button {
  border: 0;
  border-radius: 8px;
  padding: 9px 13px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
  font-size: .86rem;
}
.mode-button.active {
  background: var(--panel-2);
  color: var(--text);
}
.compare-upload-panel {
  padding: 10px 2px 4px;
}
.compare-upload-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.compare-file-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 22px;
  border: 1px dashed #3d4451;
  border-radius: 14px;
  background: rgba(255,255,255,.018);
}
.compare-file-card input[type="file"] {
  width: 100%;
  color: var(--muted);
  font-size: .83rem;
}
.compare-step {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--accent-2);
  font-size: .78rem;
  font-weight: 800;
}
.compare-file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
  font-size: .8rem;
}
.compare-button {
  display: block;
  margin: 18px auto 0;
}
.compare-button:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none;
}
.compare-note {
  margin: 12px auto 0;
  max-width: 680px;
  color: var(--muted);
  text-align: center;
  font-size: .78rem;
  line-height: 1.5;
}
.comparison-summary {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-bottom: 14px;
  overflow: hidden;
}
.comparison-summary > div {
  display: grid;
  gap: 4px;
  padding: 18px 22px;
  background: var(--panel);
}
.comparison-summary strong {
  font-size: 1.8rem;
  letter-spacing: -.04em;
}
.summary-label {
  color: var(--muted);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.delta-positive { color: #8ed7a4; }
.delta-negative { color: #ff9e9e; }
.delta-neutral { color: var(--text); }
.stat-card.positive {
  border-color: rgba(93, 190, 122, .28);
  background: rgba(93, 190, 122, .055);
}
.stat-card.negative {
  border-color: rgba(255, 120, 120, .25);
  background: rgba(255, 120, 120, .045);
}
.comparison-row {
  grid-template-columns: minmax(0, 1fr) auto;
}
@media (max-width: 760px) {
  .compare-upload-grid {
    grid-template-columns: 1fr;
  }
  .comparison-summary {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 620px) {
  .comparison-row {
    grid-template-columns: 1fr;
  }
  .comparison-row .account-actions {
    grid-column: auto;
  }
}


/* Local history */
.history-manager {
  margin: 16px 4px 0;
  border-top: 1px solid var(--border);
}
.history-manager summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 14px;
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
}
.history-count {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 600;
}
.history-manager-body {
  padding: 0 14px 16px;
}
.history-manager-body > p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.5;
}
.history-list {
  display: grid;
  gap: 8px;
}
.history-row {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(255,255,255,.015);
}
.history-info {
  display: grid;
  gap: 3px;
  min-width: 0;
}
.history-info span {
  color: var(--muted);
  font-size: .76rem;
}
.history-file {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-empty {
  color: var(--muted);
  font-size: .8rem;
  padding: 8px 0;
}
.history-clear {
  margin-top: 10px;
}
.history-save-status {
  margin: 7px 0 0;
  color: var(--accent-2);
  font-size: .78rem;
}
.history-select-label,
.compare-file-input {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: .76rem;
}
.history-select-label select {
  width: 100%;
}
.compare-file-input input[type="file"]:disabled {
  opacity: .45;
}
.compare-or {
  color: var(--muted);
  font-size: .72rem;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: .1em;
}


/* First-time export onboarding */
.onboarding-guide {
  margin: 16px 4px 0;
  border-top: 1px solid var(--border);
}
.onboarding-guide > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 14px;
  cursor: pointer;
  color: var(--text);
  list-style: none;
}
.onboarding-guide > summary::-webkit-details-marker {
  display: none;
}
.onboarding-guide > summary > span:first-child {
  display: grid;
  gap: 3px;
}
.onboarding-guide > summary strong {
  font-size: .9rem;
}
.onboarding-guide > summary small {
  color: var(--muted);
  font-size: .76rem;
  font-weight: 500;
}
.guide-open-label {
  color: var(--accent-2);
  font-size: .78rem;
  font-weight: 700;
  white-space: nowrap;
}
.onboarding-guide[open] .guide-open-label {
  font-size: 0;
}
.onboarding-guide[open] .guide-open-label::after {
  content: "Hide guide";
  font-size: .78rem;
}
.onboarding-body {
  padding: 4px 14px 18px;
}
.onboarding-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(260px, .8fr);
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(140,168,255,.045);
}
.onboarding-intro h3 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -.02em;
}
.onboarding-intro p:not(.eyebrow) {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: .86rem;
}
.required-settings {
  display: grid;
  gap: 8px;
  align-content: start;
}
.required-settings span {
  display: block;
  padding: 9px 11px;
  border: 1px solid rgba(140,168,255,.18);
  border-radius: 9px;
  background: rgba(0,0,0,.12);
  color: var(--muted);
  font-size: .78rem;
}
.required-settings strong {
  color: var(--text);
}
.onboarding-steps {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.onboarding-steps li {
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: 12px;
  padding: 14px 4px;
  border-bottom: 1px solid #20242a;
}
.onboarding-steps li:last-child {
  border-bottom: 0;
}
.guide-step-number {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--panel-2);
  color: var(--accent-2);
  font-size: .74rem;
  font-weight: 800;
}
.onboarding-steps li > div > strong {
  display: block;
  font-size: .88rem;
}
.onboarding-steps p strong {
  display: inline;
  font-size: inherit;
}
.onboarding-steps p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: .82rem;
  line-height: 1.52;
}
.onboarding-warning {
  display: flex;
  gap: 7px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 180, 90, .25);
  border-radius: 10px;
  background: rgba(255, 180, 90, .055);
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.45;
}
.onboarding-warning strong {
  color: var(--text);
  white-space: nowrap;
}
.onboarding-footnote {
  margin: 12px 2px 0;
  color: #777f8b;
  font-size: .74rem;
  line-height: 1.45;
}
@media (max-width: 760px) {
  .onboarding-intro {
    grid-template-columns: 1fr;
  }
  .onboarding-warning {
    display: grid;
  }
}


/* Error and recovery states */
.error-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin: 16px 4px 0;
  padding: 14px 16px;
  border: 1px solid rgba(255, 152, 152, .28);
  border-radius: 12px;
  background: rgba(255, 120, 120, .055);
}
.error-panel-icon {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(255, 152, 152, .12);
  color: var(--danger);
  font-weight: 800;
}
.error-panel strong {
  display: block;
  color: var(--text);
  font-size: .88rem;
}
.error-panel p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.5;
}
.error-panel .error-recovery {
  margin-top: 7px;
  color: #c7cbd3;
}


/* Step 12: mobile polish */
@media (max-width: 760px) {
  body {
    background: var(--bg);
  }

  .shell {
    width: min(100% - 20px, 1120px);
    padding-top: 22px;
    padding-bottom: 34px;
  }

  .hero {
    gap: 18px;
    margin-bottom: 22px;
  }

  h1 {
    font-size: clamp(2.45rem, 13vw, 4rem);
    line-height: .98;
  }

  .lede {
    margin-top: 16px;
    font-size: .98rem;
    line-height: 1.55;
  }

  .header-links {
    width: 100%;
    justify-content: flex-start;
    gap: 12px;
  }

  .support-link,
  .text-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
  }

  .upload-card {
    padding: 12px;
    border-radius: 15px;
  }

  .mode-switch {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    margin-bottom: 12px;
  }

  .mode-button {
    min-height: 44px;
    padding: 10px 8px;
    font-size: .8rem;
  }

  .drop-zone {
    padding: 38px 16px;
  }

  .drop-zone h2 {
    font-size: 1.35rem;
  }

  .drop-zone p {
    font-size: .88rem;
    line-height: 1.45;
  }

  .primary-button,
  .secondary-button {
    min-height: 44px;
  }

  .drop-zone .primary-button {
    width: 100%;
    max-width: 300px;
  }

  .compare-file-card {
    padding: 16px;
  }

  .compare-file-card input[type="file"] {
    min-height: 44px;
  }

  .compare-button {
    width: 100%;
    margin-top: 14px;
  }

  .history-manager summary,
  .onboarding-guide > summary {
    min-height: 52px;
    padding: 14px 10px;
  }

  .history-manager-body,
  .onboarding-body {
    padding-left: 8px;
    padding-right: 8px;
  }

  .history-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .history-row .ghost-button {
    justify-self: start;
    min-height: 40px;
    padding: 8px 10px;
  }

  .history-clear {
    min-height: 44px;
  }

  .results-heading {
    gap: 14px;
    margin-bottom: 18px;
  }

  .results-heading > .secondary-button {
    width: 100%;
  }

  .stats-grid {
    gap: 8px;
    margin-bottom: 14px;
  }

  .stat-card {
    min-height: 108px;
    padding: 15px;
  }

  .stat-card span {
    font-size: clamp(1.75rem, 10vw, 2.4rem);
  }

  .stat-card small {
    font-size: .78rem;
    line-height: 1.3;
  }

  .results-card {
    border-radius: 14px;
  }

  .tabs {
    position: relative;
    gap: 0;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }

  .tabs::-webkit-scrollbar {
    display: none;
  }

  .tab {
    min-height: 48px;
    padding: 13px 14px;
    scroll-snap-align: start;
  }

  .toolbar {
    gap: 8px;
    padding: 12px;
  }

  .search-wrap input,
  select {
    min-height: 44px;
    font-size: 16px;
  }

  .export-controls {
    gap: 8px;
  }

  .export-controls .secondary-button {
    width: 100%;
  }

  .bulk-bar {
    padding: 10px 12px;
    gap: 8px;
  }

  .select-all-control {
    min-height: 40px;
  }

  .select-all-control input,
  .row-select input {
    width: 20px;
    height: 20px;
  }

  .bulk-actions {
    margin-left: 0;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .bulk-actions .secondary-button,
  .bulk-actions .ghost-button {
    min-height: 42px;
    width: 100%;
  }

  .list-meta {
    padding: 10px 14px;
    font-size: .8rem;
  }

  .account-list {
    max-height: none;
  }

  .account-row {
    padding: 14px 12px;
    gap: 10px;
  }

  .account-main {
    min-width: 0;
  }

  .username {
    white-space: normal;
    overflow-wrap: anywhere;
    line-height: 1.3;
  }

  .account-date {
    margin-top: 5px;
    font-size: .74rem;
  }

  .account-actions {
    gap: 8px;
  }

  .instagram-link,
  .unavailable-button,
  .restore-button {
    min-height: 40px;
    display: inline-flex;
    align-items: center;
  }

  .instagram-link {
    padding: 7px 0;
  }

  .comparison-summary > div {
    padding: 16px;
  }

  .comparison-summary strong {
    font-size: 1.55rem;
  }

  .comparison-row {
    padding: 14px;
  }

  .error-panel {
    margin-left: 0;
    margin-right: 0;
    padding: 13px;
  }

  .legal-note {
    padding: 0 4px;
  }

  footer {
    padding-bottom: 24px;
    line-height: 1.5;
  }
}

@media (max-width: 480px) {
  .shell {
    width: min(100% - 14px, 1120px);
  }

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

  .stat-card {
    min-height: 102px;
    padding: 13px;
  }

  .stat-card small {
    font-size: .74rem;
  }

  .mode-button {
    font-size: .74rem;
  }

  .onboarding-guide > summary {
    align-items: flex-start;
  }

  .guide-open-label {
    padding-top: 2px;
  }

  .onboarding-intro {
    padding: 15px;
  }

  .required-settings span {
    padding: 8px 9px;
  }

  .onboarding-steps li {
    padding: 12px 2px;
  }

  .bulk-actions {
    grid-template-columns: 1fr;
  }

  .history-row {
    padding: 10px;
  }

  .comparison-summary {
    gap: 0;
  }
}


/* Step 13: FollowerDiff branding */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  margin: 0 0 22px;
  text-decoration: none;
}
.brand-lockup img {
  display: block;
  width: 240px;
  max-width: 100%;
  height: auto;
}
.policy-brand {
  margin-bottom: 18px;
}
.policy-brand img {
  width: 210px;
}
.app-version {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
footer strong {
  color: #aeb6c4;
  font-weight: 700;
}

@media (max-width: 760px) {
  .brand-lockup {
    margin-bottom: 18px;
  }

  .brand-lockup img {
    width: 205px;
  }

  .policy-brand img {
    width: 190px;
  }
}


/* Shared legal-page chrome */
.site-header {
  margin-bottom: 34px;
}
.site-header .brand-lockup {
  margin-bottom: 0;
}
.policy-intro,
.policy-content {
  width: min(900px, 100%);
  margin-left: auto;
  margin-right: auto;
}
.policy-intro {
  margin-bottom: 24px;
}
.policy-intro .lede {
  margin-top: 12px;
}
@media (max-width: 760px) {
  .site-header {
    margin-bottom: 24px;
  }
  .policy-intro {
    margin-bottom: 18px;
  }
}

.onboarding-steps,
.onboarding-steps li,
.onboarding-steps li > div {
  width: 100%;
  min-width: 0;
}
.onboarding-steps li {
  grid-template-columns: 26px minmax(0, 1fr);
  align-items: start;
}
.onboarding-steps p {
  max-width: none;
}


/* Comparison uploader visual alignment */
.compare-upload-panel {
  padding: 16px 0 2px;
}
.compare-upload-grid {
  gap: 18px;
}
.compare-file-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 360px;
  padding: 24px;
  border: 1px dashed #3d4451;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.025), transparent);
}
.compare-card-heading {
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: 14px;
  align-items: start;
  margin-bottom: 24px;
}
.compare-card-heading h2 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -.02em;
}
.compare-card-heading p {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: .86rem;
  line-height: 1.5;
}
.compare-step {
  width: 34px;
  height: 34px;
  margin-top: 1px;
  background: var(--panel-2);
  color: var(--accent-2);
}
.history-select-label {
  gap: 8px;
  margin-bottom: 4px;
}
.history-select-label > span {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}
.history-select-label select {
  min-height: 46px;
  background-color: #0e1013;
  border-color: #3a4150;
  appearance: none;
  -webkit-appearance: none;
  padding-right: 48px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3 6l5 5 5-5' fill='none' stroke='%23f7f7f8' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 16px 16px;
}
.compare-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0;
  color: #7f8794;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.compare-divider::before,
.compare-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
.compare-file-picker {
  display: grid;
  grid-template-columns: auto minmax(0,1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.018);
  margin-top: auto;
}
.compare-file-picker-main {
  min-height: 170px;
  margin-top: auto;
}
.compare-picker-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 1.1rem;
}
.compare-picker-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}
.compare-picker-copy strong {
  font-size: .9rem;
}
.compare-file-name {
  display: block;
  min-width: 0;
  color: var(--muted);
  font-size: .78rem;
}
.compare-pick-button {
  white-space: nowrap;
}
.compare-submit-row {
  display: grid;
  justify-items: center;
  gap: 10px;
  padding-top: 20px;
}
.compare-button {
  margin: 0;
  min-width: 190px;
}
.compare-button:disabled {
  background: #c8c8c8;
  color: #1b1c1f;
  opacity: .42;
}
.compare-note {
  margin: 0;
}

@media (max-width: 760px) {
  .compare-file-card {
    min-height: 0;
    padding: 18px;
  }
  .compare-card-heading {
    margin-bottom: 18px;
  }
  .compare-file-picker,
  .compare-file-picker-main {
    grid-template-columns: auto minmax(0,1fr);
    min-height: 0;
  }
  .compare-pick-button {
    grid-column: 1 / -1;
    width: 100%;
  }
}


/* Analysis loading, reveal, scrolling, and error polish */
.analysis-loading {
  min-height: 320px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  text-align: center;
  padding: 48px 20px;
}
.analysis-loading strong {
  font-size: 1.05rem;
}
.analysis-loading span {
  color: var(--muted);
  font-size: .82rem;
}
.analysis-spinner {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(140,168,255,.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: followerdiff-spin .72s linear infinite;
}
.results-reveal {
  animation: followerdiff-reveal .32s ease-out both;
}
#resultsSection .stats-grid,
#comparisonSection .comparison-stats {
  scroll-margin-top: 18px;
}
.shake {
  animation: followerdiff-shake .34s ease-in-out;
}
@keyframes followerdiff-spin {
  to { transform: rotate(360deg); }
}
@keyframes followerdiff-reveal {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes followerdiff-shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-7px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}
@media (prefers-reduced-motion: reduce) {
  .analysis-spinner {
    animation-duration: 1.4s;
  }
  .results-reveal,
  .shake {
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}


.upload-legal-note {
  margin-top: 18px;
  margin-bottom: 0;
}
.compare-submit-row .upload-legal-note {
  margin-top: 4px;
}


/* Unified dashboard tile states */
.stat-card,
.stat-card.accent,
.stat-card.subtle,
.stat-card.positive,
.stat-card.negative {
  border-color: var(--border);
  background: var(--panel);
}
.stat-card:hover,
.stat-card.accent:hover,
.stat-card.subtle:hover,
.stat-card.positive:hover,
.stat-card.negative:hover {
  border-color: #464d59;
  background: var(--panel-2);
}
.stat-card.active,
.stat-card.active:hover {
  border-color: rgba(140,168,255,.72);
  background: rgba(140,168,255,.08);
  box-shadow: inset 0 0 0 1px rgba(140,168,255,.08);
}
.stat-card.active span {
  color: var(--text);
}