:root {
  color-scheme: light;
  --ink: #203241;
  --muted: #596b7a;
  --line: #d3dfe7;
  --paper: #ffffff;
  --ground: #eff4f7;
  --blue: #175d91;
  --blue-wash: #e6f0f8;
  --error: #a92f34;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--ground);
  font-size: 16px;
  line-height: 1.5;
}
* { box-sizing: border-box; }
body { margin: 0; }
[hidden] { display: none !important; }
h1, h2, p { margin: 0; }
h1 { font-size: clamp(1.6rem, 3vw, 2.15rem); line-height: 1.2; letter-spacing: -.035em; font-weight: 650; }
h2 { font-size: 1.05rem; font-weight: 650; }
p { color: var(--muted); }
a { color: var(--blue); text-underline-offset: 3px; }
button, input, select { font: inherit; }
button, input, select, summary { touch-action: manipulation; }
button, input, select { min-height: 44px; }
button { border: 1px solid var(--blue); border-radius: 5px; background: var(--blue); color: white; padding: .65rem 1rem; font-weight: 600; cursor: pointer; }
button:hover { background: #104d7c; }
button:disabled { opacity: .55; cursor: wait; }
button.secondary { color: var(--blue); background: transparent; font-size: .875rem; }
button.secondary:hover { background: var(--blue-wash); }
input, select { width: 100%; border: 1px solid #aebfcb; border-radius: 4px; background: white; color: var(--ink); padding: .6rem .7rem; }
input[type="file"] { font-size: .875rem; padding: .45rem; }
input[type="file"]::file-selector-button { border: 0; border-radius: 2px; padding: .35rem .5rem; margin-right: .6rem; background: var(--blue-wash); color: var(--blue); font: inherit; cursor: pointer; }
input:disabled, select:disabled { background: #f5f7f9; }
input[type="number"] { max-width: 170px; }
label { display: block; margin-bottom: .4rem; font-size: .875rem; font-weight: 600; }
label input { margin-top: .4rem; font-weight: 400; }
:focus-visible { outline: 3px solid #6da9d8; outline-offset: 3px; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.workspace { max-width: 1120px; margin: 0 auto; padding: 2.6rem 1.5rem 1.2rem; }
.page-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 1.5rem; margin-bottom: 1.5rem; }
.page-header h1 { margin-top: 1rem; }
.page-header p { margin-top: .65rem; max-width: 630px; }
.wordmark { font-size: .9rem; font-weight: 750; letter-spacing: -.015em; }
.wordmark span { margin-left: .45rem; padding-left: .6rem; border-left: 1px solid #aebfcb; font-weight: 450; color: var(--muted); }
.badge { display: inline-block; flex-shrink: 0; border: 1px solid #a6c7dd; border-radius: 20px; padding: .25rem .7rem; color: var(--blue); background: #f9fcff; font-size: .8rem; font-weight: 650; }
.badge.live { background: #fff3dd; color: #795011; border-color: #ddc395; }
.notice { padding: .8rem 1rem; background: var(--blue-wash); border-left: 3px solid var(--blue); color: #244d6c; font-size: .9rem; margin-bottom: 1.3rem; }
.work-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; gap: 1.3rem; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 1.5rem; }
.section-heading { display: flex; gap: .65rem; align-items: center; margin-bottom: 1.6rem; }
.step { display: inline-grid; place-items: center; flex-shrink: 0; width: 25px; height: 25px; border-radius: 50%; background: var(--blue-wash); color: var(--blue); font-size: .8rem; font-weight: 650; }
.help { font-size: .8rem; line-height: 1.5; margin-top: .5rem; }
#file-summary { overflow-wrap: anywhere; }
.camera-option { font-size: .8rem; color: var(--blue); margin-top: .75rem; }
.camera-option summary { cursor: pointer; padding: .25rem 0; }
.camera-option input { margin-top: .5rem; }
.feature-catalog { font-size: .8rem; margin-top: .75rem; color: var(--muted); }
.feature-catalog summary { color: var(--blue); cursor: pointer; padding: .25rem 0; }
.feature-catalog ul { padding-left: 1.1rem; margin: .5rem 0; }
.feature-catalog li { margin-top: .65rem; overflow-wrap: anywhere; }
.photo-preview { display: block; max-width: 100%; max-height: 180px; margin-top: 1rem; border-radius: 4px; object-fit: contain; background: var(--ground); }
#feature { margin-top: .1rem; }
label[for="feature"] { margin-top: 1.5rem; }
.options { border-top: 1px solid var(--line); margin-top: 1.4rem; padding-top: 1rem; }
.options legend { padding: 0 .35rem 0 0; font-size: .8rem; font-weight: 650; color: var(--muted); }
.color-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; margin-bottom: .8rem; }
.color-grid input { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .9rem; }
.nail-grid { margin-top: .8rem; margin-bottom: 0; }
#run-button { width: 100%; margin-top: 1.4rem; }
.status { margin-top: .9rem; font-size: .875rem; min-height: 1.3em; }
.status.error { color: var(--error); }
.result-panel { min-height: 445px; }
.empty-state { display: grid; justify-items: center; align-content: center; text-align: center; padding: 2rem 1rem; min-height: 285px; border: 1px dashed #c7d5df; border-radius: 4px; }
.empty-mark { font-size: 3rem; font-weight: 300; color: #8aa7bc; line-height: 1.3; margin-bottom: .5rem; }
progress { display: block; width: 100%; height: .6rem; margin: .3rem 0 .8rem; accent-color: var(--blue); }
.task-detail { font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .75rem; overflow-wrap: anywhere; margin-bottom: .8rem; }
.results { display: grid; gap: 1.2rem; }
.results figure { margin: 0; }
.results img { width: 100%; max-height: 600px; display: block; object-fit: contain; border-radius: 4px; background: var(--ground); }
.results figcaption { font-size: .8rem; margin-top: .5rem; overflow-wrap: anywhere; }
.usage-strip { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1.3rem; padding: 1.1rem 1.4rem; border: 1px solid var(--line); border-radius: 8px; }
.usage-strip h2 { font-size: .875rem; }
.usage-strip .help { margin-top: .2rem; }
footer { color: var(--muted); font-size: .75rem; padding-top: 1rem; }
.login-shell { width: min(100% - 2.5rem, 440px); margin: 10vh auto 2rem; }
.login-panel { margin-top: 1.5rem; padding: 2rem; }
.eyebrow { font-size: .75rem; color: var(--blue); margin-bottom: .7rem; font-weight: 650; }
.login-panel h1 { font-size: 1.75rem; }
.login-panel > p:not(.eyebrow) { margin-top: .8rem; font-size: .9rem; }
.login-panel form { margin-top: 1.6rem; }
.login-panel button { width: 100%; margin-top: 1rem; }
.fine-print { font-size: .75rem; margin-top: 1.2rem; }
.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: 720px) {
  .workspace { padding: 1.5rem 1rem 1rem; }
  .page-header { gap: .7rem; }
  .page-header h1 { margin-top: 1.2rem; }
  .wordmark span { display: block; padding: 0; margin: .1rem 0 0; border: 0; font-size: .8rem; }
  .work-grid { grid-template-columns: minmax(0, 1fr); }
  .panel { padding: 1.2rem; }
  .result-panel { min-height: 340px; }
  .empty-state { min-height: 225px; }
  .usage-strip { align-items: flex-start; padding: 1rem; }
  .usage-strip button { flex-shrink: 0; }
  .login-panel { padding: 1.5rem; }
}