.photo-main { max-width: 1120px; padding-top: 18px; }
.photo-page .brand { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.photo-page .brand-symbol { display: inline-flex; flex: 0 0 28px; width: 28px; height: 28px; }
.photo-page .brand-symbol svg { display: block; width: 100%; height: 100%; }
.photo-crumb { margin: 0 0 12px; color: var(--muted); font-size: .82rem; }
.photo-crumb a { color: var(--green-dark); text-underline-offset: 3px; }
.photo-main > h1 { max-width: 760px; margin: 0; color: var(--ink); font-size: clamp(2rem, 4.3vw, 3.35rem); line-height: 1.05; letter-spacing: -.035em; }
.photo-lead { max-width: 700px; margin: 16px 0 24px; color: #48584f; font-size: 1.05rem; line-height: 1.6; }
.photo-example { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 12px 28px; align-items: center; margin: 0 0 28px; padding: 23px 25px 17px; border-left: 5px solid var(--green); background: #e9efe8; }
.photo-example > div:first-child { max-width: 480px; }
.photo-eyebrow { margin: 0 0 6px; color: var(--green-dark); font-size: .8rem; font-weight: 750; }
.photo-example h2 { margin: 0; color: var(--ink); font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.15; }
.photo-example p:not(.photo-eyebrow) { margin: 8px 0 0; color: #4d5d53; line-height: 1.55; }
.photo-example-numbers { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; }
.photo-example-numbers span { display: grid; gap: 2px; min-width: 0; padding: 11px 8px 10px; border-top: 2px solid #9bac9e; background: rgba(255, 254, 250, .72); color: #56665b; font-size: .72rem; line-height: 1.25; }
.photo-example-numbers strong { color: var(--green-dark); font-size: 1.15rem; letter-spacing: -.02em; }
.photo-example small { grid-column: 1 / -1; color: #626f66; font-size: .75rem; line-height: 1.45; }
.photo-workbench { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(300px, .95fr); gap: 22px; align-items: start; }
.photo-input-panel, .photo-live-result { min-width: 0; padding: 22px; border: 1px solid var(--line); background: var(--surface); }
.photo-step { margin: 0 0 7px; color: var(--green-dark); font-size: .78rem; font-weight: 750; }
.photo-input-panel h2, .photo-live-result h2, .photo-method h2 { margin: 0; color: var(--ink); font-size: 1.42rem; line-height: 1.25; letter-spacing: -.015em; }
.photo-input-panel > label, .photo-scale-fields label, .photo-order-fields label { display: grid; gap: 7px; min-width: 0; margin-top: 17px; color: var(--ink); font-size: .82rem; font-weight: 700; line-height: 1.4; }
.photo-input-panel select, .photo-input-panel input[type="file"], .photo-input-panel input[type="number"] { width: 100%; min-width: 0; min-height: 44px; padding: 9px 11px; border: 1px solid #9aa99d; border-radius: 5px; background: #fff; color: var(--ink); font: inherit; }
.photo-input-panel select:disabled, .photo-input-panel input:disabled { background: #f0f2ef; color: #758078; }
.photo-input-panel input[type="file"] { padding: 8px; font-size: .78rem; }
.photo-input-panel :focus-visible, .photo-live-result :focus-visible, .photo-skip:focus-visible, .photo-method a:focus-visible { outline: 3px solid #bd8121; outline-offset: 3px; }
.photo-source-note, .photo-privacy, .photo-fine-print, .photo-input-panel > p:not(.photo-step) { color: var(--muted); font-size: .82rem; line-height: 1.55; }
.photo-source-note { min-height: 40px; margin: 10px 0 3px; padding-left: 11px; border-left: 3px solid #c8aa62; }
.photo-privacy { margin: 12px 0 0; }
.photo-fine-print { margin: 7px 0 0; font-size: .74rem; }
.photo-measure-controls { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.photo-measure-controls[hidden], .photo-canvas-wrap[hidden], #photo-cancel-drawing[hidden] { display: none; }
.photo-measure-controls h3 { margin: 6px 0 0; color: var(--ink); font-size: 1.05rem; }
.photo-measure-controls .photo-step:not(:first-child) { margin-top: 22px; }
.photo-scale-fields { display: grid; grid-template-columns: minmax(0, 1fr) minmax(110px, .42fr); gap: 10px; align-items: end; }
.photo-scale-fields label, .photo-order-fields label { margin-top: 12px; }
.photo-action-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.photo-action-row button, .photo-live-result button { min-height: 42px; padding: 9px 13px; border: 1px solid var(--green); border-radius: 5px; background: var(--green); color: #fff; font: inherit; font-size: .8rem; font-weight: 700; line-height: 1.2; cursor: pointer; }
.photo-action-row button:hover:not(:disabled), .photo-live-result button:hover:not(:disabled) { background: var(--green-dark); border-color: var(--green-dark); }
.photo-action-row button[aria-pressed="true"] { color: var(--green-dark); background: var(--green-soft); }
.photo-action-row button:disabled, .photo-live-result button:disabled { border-color: #cbd2cc; background: #e5e8e5; color: #778078; cursor: not-allowed; }
.photo-action-row-secondary button { border-color: #a8b6aa; background: transparent; color: var(--green-dark); }
.photo-action-row-secondary button:hover:not(:disabled) { background: var(--green-soft); }
.photo-live-note, .photo-canvas-status { min-height: 22px; margin: 10px 0 0; color: #56665b; font-size: .8rem; line-height: 1.5; }
.photo-canvas-wrap { margin-top: 16px; overflow: hidden; border: 1px solid #a9b5ab; background: #e8ece6; }
#photo-canvas { display: block; width: 100%; height: auto; touch-action: none; cursor: crosshair; }
#photo-canvas:focus-visible { outline-offset: -4px; }
.photo-order-fields { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 15px; }
.photo-order-fields label { margin-top: 0; }
.photo-order-fields label > span { color: var(--muted); font-size: .72rem; font-weight: 550; }
.photo-visual-panel { display: grid; gap: 14px; min-width: 0; }
.photo-diagram { margin: 0; padding: 12px; border: 1px solid var(--line); background: #f1f3ee; }
.photo-diagram img { display: block; width: 100%; height: auto; }
.photo-diagram figcaption { margin-top: 8px; color: var(--muted); font-size: .72rem; line-height: 1.4; }
.photo-live-result { border-top: 4px solid var(--green); }
.photo-live-result > .photo-step { margin-bottom: 8px; }
.photo-result-main { display: grid; gap: 2px; margin: 20px 0 12px; padding-bottom: 13px; border-bottom: 1px solid var(--line); }
.photo-result-main strong { color: var(--green-dark); font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1; letter-spacing: -.04em; }
.photo-result-main span, .photo-result-grid span { color: var(--muted); font-size: .74rem; }
.photo-result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.photo-result-grid p { display: grid; gap: 5px; min-width: 0; margin: 0; padding: 10px 8px; border-bottom: 1px solid var(--line); }
.photo-result-grid strong { overflow-wrap: anywhere; color: var(--ink); font-size: .95rem; }
.photo-result-status { min-height: 38px; margin: 13px 0 8px; color: var(--green-dark); font-size: .8rem; line-height: 1.5; }
.photo-result-limit { margin: 12px 0 14px; padding-left: 10px; border-left: 3px solid #c8aa62; color: #5d675f; font-size: .74rem; line-height: 1.5; }
.photo-live-result button { margin-top: 5px; }
#photo-copy-fallback { width: 100%; margin-top: 10px; padding: 10px; border: 1px solid var(--line); color: var(--ink); font: inherit; font-size: .8rem; line-height: 1.45; }
#photo-copy-fallback[hidden] { display: none; }
#photo-copy-status { min-height: 20px; margin: 8px 0 0; color: var(--green-dark); font-size: .78rem; }
.photo-method { max-width: 880px; margin: 36px 0 25px; padding-top: 22px; border-top: 1px solid var(--line); }
.photo-method > p:not(.photo-step) { max-width: 800px; color: #526057; font-size: .9rem; line-height: 1.68; }
.photo-method a { color: var(--green-dark); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.photo-formula { padding: 12px 14px; border-left: 3px solid var(--green); background: #edf2ed; color: var(--ink) !important; font-size: .84rem !important; }
.photo-faq { border-top: 1px solid var(--line); }
.photo-faq h2 { margin: 0 0 16px; }
.photo-faq details { padding: 13px 0; border-top: 1px solid var(--line); }
.photo-faq summary { color: var(--ink); font-weight: 700; line-height: 1.45; cursor: pointer; }
.photo-faq details p { max-width: 780px; margin: 9px 0 3px; color: var(--muted); font-size: .86rem; line-height: 1.6; }
.photo-skip { position: absolute; z-index: 10; top: 8px; left: 8px; transform: translateY(-150%); padding: 9px 12px; border: 1px solid var(--green-dark); background: var(--surface); color: var(--green-dark); text-decoration: none; }
.photo-skip:focus { transform: translateY(0); }

@media (max-width: 820px) {
  .photo-page .site-nav { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 2px; }
  .photo-page .site-nav a { padding-inline: 0; font-size: .7rem; white-space: nowrap; }
  .photo-example, .photo-workbench { grid-template-columns: minmax(0, 1fr); }
  .photo-example { gap: 13px; padding: 19px 17px 15px; }
  .photo-example-numbers { max-width: 520px; }
  .photo-workbench { gap: 14px; }
  .photo-input-panel, .photo-live-result { padding: 18px; }
  .photo-input-panel { grid-row: 1; }
  .photo-visual-panel { grid-row: 2; }
  .photo-live-result { order: 1; }
  .photo-diagram { order: 2; }
}

@media (max-width: 420px) {
  .photo-main { padding-top: 12px; }
  .photo-lead { margin: 12px 0 17px; font-size: .96rem; }
  .photo-example-numbers { gap: 4px; }
  .photo-example-numbers span { padding: 8px 5px; font-size: .7rem; }
  .photo-example-numbers strong { font-size: 1rem; }
  .photo-input-panel, .photo-live-result { padding: 15px; }
  .photo-scale-fields { grid-template-columns: minmax(0, 1fr) minmax(88px, .42fr); gap: 7px; }
  .photo-order-fields { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .photo-action-row { gap: 6px; }
  .photo-action-row button { flex: 1 1 130px; }
  .photo-action-row-secondary button { flex-basis: 115px; }
}

@media (max-width: 375px) {
  .photo-example-numbers { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .photo-skip { transition: none; }
}