:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #fbfcfd;
  --ink: #181b22;
  --muted: #616b7a;
  --faint: #8b94a3;
  --border: #e1e5eb;
  --border-strong: #cfd5dd;
  --accent: #ec008c;
  --accent-ink: #ffffff;
  --accent-soft: #fde3f0;
  --btn: #17a2d6;
  --btn-hover: #0f8fbf;
  --btn-ink: #ffffff;
  --good: #1f9d55;
  --focus: #ec008c;

  --c-shortage: #2563eb;
  --c-defect: #dc2626;
  --c-expired: #d97706;
  --c-wrong: #7c3aed;
  --c-other: #64748b;

  --radius: 12px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(24, 27, 34, .04), 0 8px 24px rgba(24, 27, 34, .06);

  --font-body: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.wrap {
  max-width: 33rem;
  margin: 0 auto;
  padding: clamp(1rem, 4vw, 2.5rem) clamp(.85rem, 4vw, 1.5rem) 4rem;
}

/* Header */
.masthead { margin-bottom: 1.5rem; }
.logo { height: 2.75rem; width: auto; max-width: 100%; display: block; margin-bottom: 1.15rem; }
.eyebrow {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex; align-items: center; gap: .5rem;
  margin: 0 0 .55rem;
}
.eyebrow::before {
  content: ""; width: 1.9rem; height: 2px; background: var(--accent); border-radius: 2px;
}
h1 { font-size: clamp(1.5rem, 5vw, 1.9rem); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 .5rem; text-wrap: balance; }
.lede { color: var(--muted); margin: 0; font-size: .95rem; max-width: 30rem; }

/* Card / form */
form.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
fieldset { border: 0; margin: 0; padding: clamp(1.1rem, 4vw, 1.5rem); }
fieldset:first-of-type { padding-top: clamp(2rem, 6vw, 2.75rem); }
fieldset + fieldset { border-top: 1px solid var(--border); }
.legend {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--faint); margin: 0 0 1rem; display: flex; align-items: center; gap: .55rem;
  width: 100%;
}
.legend .num {
  font-size: .72rem; color: var(--accent); border: 1.5px solid var(--accent);
  border-radius: 6px; line-height: 1; font-weight: 650;
  display: inline-grid; place-items: center;
  width: 1.5rem; height: 1.5rem; flex: none;
  font-variant-numeric: tabular-nums;
}

.grid { display: grid; gap: 1rem; }
@media (min-width: 30rem) { .grid.two { grid-template-columns: 1fr 1fr; } }

.field { display: flex; flex-direction: column; gap: .4rem; min-width: 0; }
.field > label {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); display: flex; align-items: center; gap: .35rem;
}
.req { color: var(--accent); }
.opt { color: var(--faint); text-transform: none; letter-spacing: 0; font-family: var(--font-body); font-size: .72rem; }

input[type="text"], input[type="tel"], input[type="date"], textarea, select {
  font: inherit; color: var(--ink); background: var(--surface-2);
  border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: .7rem .8rem; width: 100%; transition: border-color .15s, box-shadow .15s, background .15s;
}
input::placeholder, textarea::placeholder { color: var(--faint); }
textarea { resize: vertical; min-height: 5.5rem; line-height: 1.5; }
input:focus-visible, textarea:focus-visible, select:focus-visible,
.chip:focus-visible, .dropzone:focus-visible, .btn:focus-visible {
  outline: 2px solid var(--focus); outline-offset: 2px;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); background: var(--surface); box-shadow: 0 0 0 3px var(--accent-soft); outline: none; }

.hint { font-size: .78rem; color: var(--faint); }
.field.invalid input, .field.invalid textarea, .field.invalid .chips { border-color: var(--c-defect); }
.error-msg { font-size: .78rem; color: var(--c-defect); display: none; }
.field.invalid .error-msg { display: block; }

/* Problem-type chips */
.chips { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; }
.chip {
  --dot: var(--c-other);
  position: relative; display: inline-flex; align-items: center; gap: .5rem;
  border: 1px solid var(--border-strong); background: var(--surface-2);
  border-radius: 999px; padding: .5rem .85rem .5rem .7rem; cursor: pointer;
  font-size: .9rem; color: var(--ink); transition: border-color .15s, background .15s, transform .05s;
  user-select: none;
}
.chip .dot { width: .62rem; height: .62rem; border-radius: 50%; background: var(--dot); flex: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--dot) 18%, transparent); }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip:hover { border-color: var(--dot); }
.chip:active { transform: scale(.97); }
.chip:has(input:checked) {
  border-color: var(--dot);
  background: color-mix(in srgb, var(--dot) 12%, var(--surface));
  color: var(--ink); font-weight: 550;
}
.chip:has(input:checked) .dot { box-shadow: 0 0 0 3px color-mix(in srgb, var(--dot) 30%, transparent); }

/* Dropzone */
.dropzone {
  border: 1.5px dashed var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface-2); padding: 1.4rem 1rem; text-align: center; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: .3rem;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dropzone .dz-icon { font-size: 1.5rem; line-height: 1; }
.dropzone .dz-main { font-weight: 550; font-size: .95rem; }
.dropzone .dz-sub { font-size: .78rem; color: var(--faint); }
.dropzone input { display: none; }

.previews { list-style: none; margin: .8rem 0 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; }
.previews:empty { display: none; }
.pv {
  display: flex; align-items: center; gap: .7rem; padding: .5rem .6rem;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2);
}
.pv .thumb {
  width: 2.6rem; height: 2.6rem; border-radius: 7px; flex: none; object-fit: cover;
  background: var(--border); display: grid; place-items: center; font-size: 1.1rem; color: var(--muted); overflow: hidden;
}
.pv .thumb img, .pv .thumb video { width: 100%; height: 100%; object-fit: cover; }
.pv .meta { min-width: 0; flex: 1; }
.pv .name { font-size: .85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pv .size { font-size: .74rem; color: var(--faint); font-variant-numeric: tabular-nums; }
.pv .rm {
  flex: none; appearance: none; border: 0; background: transparent; color: var(--faint);
  cursor: pointer; font-size: 1.1rem; width: 1.9rem; height: 1.9rem; border-radius: 6px; line-height: 1;
}
.pv .rm:hover { color: var(--c-defect); background: color-mix(in srgb, var(--c-defect) 12%, transparent); }

/* Footer / submit */
.foot { padding: clamp(1.1rem, 4vw, 1.5rem); border-top: 1px solid var(--border); background: var(--surface-2); }
.btn {
  appearance: none; border: 0; cursor: pointer; width: 100%;
  background: var(--btn); color: var(--btn-ink);
  font: inherit; font-weight: 650; font-size: 1rem; padding: .9rem 1rem; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; justify-content: center; gap: .6rem;
  transition: background .15s, transform .05s;
}
.btn:hover { background: var(--btn-hover); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: .6; cursor: progress; }
.foot .note { margin: .7rem 0 0; font-size: .78rem; color: var(--faint); text-align: center; }

/* Form-level error banner */
.form-error {
  display: none; gap: .55rem; align-items: flex-start;
  margin: 0 0 .9rem; padding: .7rem .8rem;
  border: 1px solid color-mix(in srgb, var(--c-defect) 45%, var(--border));
  background: color-mix(in srgb, var(--c-defect) 8%, var(--surface));
  color: var(--c-defect); border-radius: var(--radius-sm); font-size: .85rem;
}
.form-error.show { display: flex; }
.form-error::before { content: "!"; font-family: var(--font-mono); font-weight: 700; line-height: 1.4; }

.spinner { width: 1.05rem; height: 1.05rem; border: 2px solid color-mix(in srgb, var(--btn-ink) 40%, transparent); border-top-color: var(--btn-ink); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Success screen */
.success { text-align: center; padding: clamp(1.8rem, 7vw, 3rem) 1.5rem; animation: rise .4s ease both; }
.success .check {
  width: 3.6rem; height: 3.6rem; border-radius: 50%; margin: 0 auto 1.1rem;
  background: color-mix(in srgb, var(--good) 16%, transparent); color: var(--good);
  display: grid; place-items: center; font-size: 1.8rem;
}
.success h2 { margin: 0 0 .4rem; font-size: 1.4rem; letter-spacing: -.01em; }
.success p { color: var(--muted); margin: 0 auto 1.4rem; max-width: 26rem; }
.idbox {
  display: inline-flex; flex-direction: column; gap: .2rem; align-items: center;
  border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface-2);
  padding: .7rem 1.4rem; margin-bottom: 1.6rem;
}
.idbox .k { font-family: var(--font-mono); font-size: .62rem; letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.idbox .v { font-family: var(--font-mono); font-size: 1.15rem; letter-spacing: .03em; color: var(--ink); font-variant-numeric: tabular-nums; }
.partial-note {
  display: none; max-width: 28rem; margin: -.6rem auto 1.4rem; font-size: .82rem;
  color: var(--c-expired);
}
.partial-note.show { display: block; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--border-strong); max-width: 18rem; margin: 0 auto; }
.btn.ghost:hover { border-color: var(--accent); background: var(--accent-soft); }
.hidden { display: none !important; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }