:root {
  color-scheme: light;
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #ffffff;
  --card: #ffffff;
  --border: #e3e7ee;
  --text: #2b2f36;
  --muted: #6b7280;
  --accent: #e5322d;
  --accent-2: #ef4444;
  --danger: #ef4444;
  --warning: #f59e0b;
  --shadow: 0 14px 30px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

main {
  width: min(1200px, 92vw);
  margin: 0 auto;
  padding: 36px 0 80px;
}

a { color: inherit; text-decoration: none; }

.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
  padding: 32px 0 80px;
}

.top-nav {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 6px 16px rgba(16, 24, 40, 0.06);
}

.top-nav-inner {
  width: min(1200px, 92vw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  color: #111827;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  border-radius: 12px;
  padding: 6px 10px;
}

.logo-mark img {
  height: 36px;
  width: auto;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
}

.nav-links a,
.nav-trigger {
  color: #111827;
  font-weight: 600;
  font-size: 14px;
  padding: 8px 6px;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-links a:hover,
.nav-trigger:hover {
  color: var(--accent);
  background: #fff1f1;
}

.nav-links a.active {
  color: var(--accent);
}

.nav-trigger {
  background: transparent;
  border: none;
  cursor: pointer;
}

.nav-dropdown {
  position: relative;
}

.nav-menu {
  position: absolute;
  top: 42px;
  left: 0;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(180px, 1fr));
  gap: 18px;
  box-shadow: var(--shadow);
  min-width: 380px;
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: all 0.2s ease;
}

.nav-menu a {
  font-size: 13px;
  padding: 4px 0;
}

.nav-menu.wide {
  grid-template-columns: repeat(4, minmax(180px, 1fr));
  min-width: 820px;
}

.nav-dropdown:hover .nav-menu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-title {
  font-size: 12px;
  font-weight: 700;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.nav-menu a {
  display: block;
  color: #111827;
  font-weight: 600;
  margin: 6px 0;
}

.nav-cta {
  font-size: 12px;
  background: #fef2f2;
  color: var(--accent);
  border: 1px solid #fecaca;
  padding: 6px 10px;
  border-radius: 999px;
  font-weight: 600;
}

.brand,
.brand-badge {
  display: none;
}

.hero {
  background: #ffffff;

}

.hero h1 {
  margin: 0 0 12px;
  font-size: 34px;
  text-align: center;
}

.hero p { margin: 0; color: var(--muted); }

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

.tool-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
  min-height: 150px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.tool-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}

.tool-card h3 { margin: 0; font-size: 18px; }

.tool-card p { margin: 0; color: var(--muted); font-size: 14px; }

.tool-card .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--accent);
  background: #fee2e2;
  border: 1px solid #fecaca;
  padding: 4px 8px;
  border-radius: 999px;
  width: fit-content;
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  margin-top: 24px;
}

.tool-layout.editor-layout {
  grid-template-columns: 2fr 1fr;
  align-items: start;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
}

.panel h2 { margin-top: 0; }

.input-row {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.input-row label { font-size: 14px; color: var(--muted); }

input[type="file"], input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #ffffff;
  color: var(--text);
}

textarea { min-height: 120px; resize: vertical; }

button {
  background: var(--accent);
  border: none;
  color: #ffffff;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

button:hover { transform: translateY(-1px); }

button.secondary {
  background: #ffffff;
  border: 1px solid var(--border);
  color: var(--text);
}

.status {
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-size: 14px;
  background: #ffffff;
}

.status[data-type="error"] { border-color: rgba(239,68,68,0.5); color: #b91c1c; }
.status[data-type="success"] { border-color: rgba(34,197,94,0.5); color: #15803d; }
.status[data-type="warning"] { border-color: rgba(245,158,11,0.5); color: #b45309; }

.preview {
  background: #ffffff;
  border: 2px dashed #e5e7eb;
  border-radius: 16px;
  min-height: 240px;
  display: block;
  text-align: center;
  color: var(--muted);
  padding: 18px;
}

.editor-wrap {
  display: grid;
  gap: 16px;
}

.editor-canvas {
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.thumb-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px;
  background: #ffffff;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.thumb-card.is-selected {
  border-color: var(--accent);
  box-shadow: 0 8px 16px rgba(229, 50, 45, 0.18);
}

.thumb-card canvas {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
}

.thumb-label {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.editor-toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  align-items: end;
}

.pill {
  background: #fff1f1;
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid #fecaca;
  width: fit-content;
}

.input-row.spaced {
  margin-top: 16px;
}

.preview > * {
  text-align: left;
}

.status-block {
  margin-top: 12px;
}

.list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #ffffff;
  margin-bottom: 10px;
}

.list-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.signature-canvas {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.tool-header h1 { margin-bottom: 8px; }
.tool-header {
  text-align: center;
  margin: 10px 0 24px;
}

.tool-header h1 {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tool-header p {
  font-size: 18px;
}

.is-busy { opacity: 0.6; pointer-events: none; }

.small { font-size: 12px; color: var(--muted); }

.upload-card {
  display: grid;
  gap: 16px;
  justify-items: center;
  padding: 28px;
  max-width: 720px;
  margin: 0 auto 24px;
}

.upload-card.dual {
  max-width: 860px;
}

.dual-upload {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.upload-button {
  background: var(--accent);
  color: #ffffff;
  padding: 16px 32px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 16px;
  box-shadow: 0 10px 20px rgba(229, 50, 45, 0.2);
  cursor: pointer;
  border: none;
}

.upload-hint {
  color: var(--muted);
  font-size: 14px;
}

.drop-zone {
  width: 100%;
  border: 2px dashed #e5e7eb;
  border-radius: 16px;
  padding: 24px;
  text-align: center;
  background: #ffffff;
}

.drop-zone.is-dragover {
  border-color: var(--accent);
  background: #fff5f5;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  background: #fee2e2;
  color: var(--accent);
  border: 1px solid #fecaca;
  font-size: 12px;
}

@media (max-width: 980px) {
  .tool-layout { grid-template-columns: 1fr; }
}