:root {
  --bg: #f7fafc;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --brand: #2563eb;
  --brand-strong: #1d4ed8;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(900px 500px at 80% -10%, #dbeafe 0%, transparent 55%),
    radial-gradient(900px 500px at -20% 10%, #e0e7ff 0%, transparent 45%),
    var(--bg);
}

.container { width: min(1160px, 100% - 28px); margin: 0 auto; }

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header__inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.logo {
  text-decoration: none;
  color: var(--text);
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo svg { width: 28px; height: 28px; color: var(--brand); }

.nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.nav a {
  text-decoration: none;
  color: #334155;
  white-space: nowrap;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 10px;
  border-radius: 9px;
}

.nav a:hover { background: #eff6ff; color: var(--brand-strong); }

.app { padding: 28px 0 40px; }

.hero { text-align: center; margin-bottom: 18px; }
.hero__kicker {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: 12px;
  font-weight: 800;
  color: var(--brand-strong);
}
.hero h1 { margin: 0 0 10px; font-size: clamp(30px, 7vw, 46px); line-height: 1.05; }
.hero p { margin: 0 auto; max-width: 760px; color: var(--muted); }

.hero__chips {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.chip {
  border: 1px solid #dbeafe;
  background: #f8fbff;
  color: #1e40af;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 700;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr 1fr;
  gap: 14px;
  align-items: start;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.05);
}

.panel h2 { margin: 0 0 12px; font-size: 18px; }

.dropzone {
  display: block;
  border: 1.5px dashed #93c5fd;
  border-radius: 14px;
  background: #f8fbff;
  text-align: center;
  padding: 18px 14px;
  cursor: pointer;
}

.dropzone strong { display: block; font-size: 18px; }
.dropzone span { display: block; margin-top: 6px; color: #334155; }
.dropzone small { display: block; margin-top: 8px; color: #64748b; }

.field { margin-bottom: 10px; }
.field label { display: block; margin-bottom: 5px; font-size: 13px; font-weight: 700; color: #334155; }

.field input,
.field select {
  width: 100%;
  border: 1px solid #dbe3f3;
  border-radius: 10px;
  padding: 10px;
  font: inherit;
  background: #fff;
}

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

.row--checks {
  grid-template-columns: 1fr;
  margin: 6px 0 10px;
}

.row--checks label {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: #334155;
}

.btn {
  width: 100%;
  border: 1px solid #dbe3f3;
  background: #fff;
  color: #0f172a;
  border-radius: 11px;
  padding: 11px 14px;
  font-weight: 800;
  cursor: pointer;
  font-family: inherit;
  text-align: center;
  text-decoration: none;
}

.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn--primary {
  border-color: transparent;
  color: #fff;
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
}

.btn--ghost {
  margin-top: 8px;
  display: inline-block;
}

.preview-wrap {
  border: 1px solid var(--line);
  border-radius: 12px;
  min-height: 220px;
  background:
    linear-gradient(45deg, #e2e8f0 25%, transparent 25%),
    linear-gradient(-45deg, #e2e8f0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e2e8f0 75%),
    linear-gradient(-45deg, transparent 75%, #e2e8f0 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.preview-wrap img { width: 100%; height: auto; display: block; }
.preview-empty { font-size: 13px; color: #64748b; padding: 10px; text-align: center; }

.stats {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.stats div {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: #f8fafc;
}

.stats span { display: block; font-size: 12px; color: #64748b; }
.stats strong { font-size: 13px; color: #0f172a; }

.meta { color: #64748b; font-size: 12px; margin: 8px 0 0; min-height: 18px; }
.meta.ok { color: #166534; }
.meta.warn { color: #92400e; }
.meta.error { color: #991b1b; }

.actions { margin-top: 10px; }

.progress-wrap {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f8fafc;
  padding: 9px;
}

.progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
  font-size: 12px;
  color: #334155;
}

.progress {
  width: 100%;
  height: 8px;
  background: #e2e8f0;
  border-radius: 999px;
  overflow: hidden;
}

.progress__bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, #2563eb, #1d4ed8);
  transition: width .2s ease;
}

@media (max-width: 1020px) {
  .grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav { display: none; }
}