:root {
  --navy: #0b1f3a;
  --navy-2: #12294a;
  --ink: #1a2233;
  --slate: #55617a;
  --line: #e2e7f0;
  --bg: #f5f7fb;
  --card: #ffffff;
  --sky: #1c7ed6;
  --sky-dark: #1667b3;
  --sky-soft: #e7f1fb;
  --good: #2f9e44;
  --warn: #b8860b;
  --danger: #c92a2a;
  --shadow: 0 1px 2px rgba(11, 31, 58, .06), 0 8px 24px rgba(11, 31, 58, .08);
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: 860px; margin: 0 auto; padding: 0 20px; }

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--sky-soft);
  color: var(--sky-dark);
  padding: 1px 6px;
  border-radius: 6px;
  font-size: .9em;
}

/* Header */
.site-header {
  background: linear-gradient(135deg, var(--navy), var(--navy-2));
  color: #fff;
  border-bottom: 3px solid var(--sky);
}
.header-inner { display: flex; align-items: baseline; gap: 14px; padding: 16px 20px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 1.15rem; letter-spacing: .2px; }
.brand-mark { color: #8fc4f0; font-size: 1.3rem; transform: rotate(-20deg); }
.brand-sub { color: #b8c6dc; font-size: .9rem; }

/* Hero */
.hero { padding: 40px 0 18px; }
.hero h1 { font-size: clamp(1.7rem, 4.5vw, 2.5rem); line-height: 1.15; margin: 0 0 14px; color: var(--navy); letter-spacing: -.5px; }
.lede { font-size: 1.08rem; color: var(--slate); margin: 0 0 18px; max-width: 68ch; }
.lede strong { color: var(--ink); }
.privacy-badge {
  display: inline-block; background: #eaf7ee; color: #216e33;
  border: 1px solid #bfe5cb; border-radius: 999px;
  padding: 8px 16px; font-size: .92rem; margin: 0;
}
.privacy-badge strong { color: #14522a; }

/* Dropzone */
.dropzone {
  margin: 22px 0; background: var(--card); border: 2px dashed #b9c6dc;
  border-radius: var(--radius); padding: 46px 24px; text-align: center;
  cursor: pointer; transition: border-color .15s, background .15s, transform .1s;
  box-shadow: var(--shadow);
}
.dropzone:hover, .dropzone:focus-visible { border-color: var(--sky); background: #fbfdff; outline: none; }
.dropzone.dragover { border-color: var(--sky); background: var(--sky-soft); border-style: solid; transform: scale(1.005); }
.dz-icon {
  width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 50%;
  background: var(--sky-soft); color: var(--sky-dark);
  font-size: 1.7rem; line-height: 58px; font-weight: 700;
}
.dz-title { font-size: 1.2rem; font-weight: 650; margin: 0 0 4px; color: var(--navy); }
.dz-sub { margin: 0 0 10px; color: var(--slate); }
.dz-formats { margin: 0; font-size: .82rem; letter-spacing: .8px; color: #93a1bd; text-transform: uppercase; }
.linklike { background: none; border: 0; color: var(--sky); font: inherit; cursor: pointer; text-decoration: underline; padding: 0; }

/* Status */
.status { text-align: center; padding: 30px 0; }
.spinner {
  width: 38px; height: 38px; margin: 0 auto 14px; border-radius: 50%;
  border: 4px solid var(--sky-soft); border-top-color: var(--sky);
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.status-text { color: var(--slate); font-weight: 500; margin: 0 0 14px; }
.progress-track { height: 6px; background: var(--line); border-radius: 999px; overflow: hidden; max-width: 420px; margin: 0 auto; }
.progress-bar { height: 100%; width: 0%; background: var(--sky); border-radius: 999px; transition: width .3s ease; }

/* Error */
.error { background: #fdf1f1; border: 1px solid #f3c6c6; border-radius: var(--radius); padding: 20px 22px; margin: 22px 0; }
.error p { margin: 0 0 12px; color: var(--danger); }

/* Results */
.results { margin: 26px 0; }
.results-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 14px; }
.results-head h2 { margin: 0; color: var(--navy); font-size: 1.4rem; }
.results-meta { margin: 4px 0 0; color: var(--slate); font-size: .95rem; }
.results-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.btn {
  border: 1px solid transparent; border-radius: 10px; padding: 10px 16px;
  font: inherit; font-weight: 600; cursor: pointer; transition: background .15s, border-color .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--sky); color: #fff; }
.btn.primary:hover { background: var(--sky-dark); }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: #b9c6dc; }

.code-list { list-style: none; margin: 0; padding: 0; counter-reset: item; }
.code-list li {
  background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--sky);
  border-radius: 10px; padding: 14px 16px; margin-bottom: 10px; box-shadow: var(--shadow);
  display: flex; gap: 14px; align-items: baseline;
}
.code-list li.unknown { border-left-color: var(--warn); }
.code-tag {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-weight: 700; color: var(--navy); background: var(--sky-soft);
  padding: 3px 9px; border-radius: 6px; white-space: nowrap; font-size: .9rem;
}
.code-list li.unknown .code-tag { background: #fbf3df; color: #8a6400; }
.code-desc { color: var(--ink); }
.code-sub { display: block; color: var(--slate); font-size: .85rem; margin-top: 2px; }
.unknown-note { color: var(--warn); font-size: .9rem; background: #fbf3df; border: 1px solid #ecdcae; border-radius: 10px; padding: 12px 14px; }

/* How it works */
.how { margin: 40px 0 20px; }
.how h2 { color: var(--navy); font-size: 1.3rem; }
.steps { list-style: none; padding: 0; margin: 0 0 20px; display: grid; gap: 12px; }
.steps li { display: flex; align-items: baseline; gap: 12px; color: var(--slate); }
.step-n {
  flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--navy); color: #fff;
  font-size: .85rem; font-weight: 700; text-align: center; line-height: 26px;
}
.disclaimer { font-size: .85rem; color: #7c879e; border-top: 1px solid var(--line); padding-top: 16px; max-width: 72ch; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); margin-top: 30px; background: #fff; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 18px 20px; color: #93a1bd; font-size: .85rem; }

@media (max-width: 560px) {
  .results-head { flex-direction: column; }
  .results-actions { width: 100%; }
  .results-actions .btn { flex: 1; }
}