:root {
  --primary: #f4b647;
  --primary-dark: #d9a03c;
  --ink: #374151;
  --ink-light: #6b7280;
  --bg: #ffffff;
  --bg-soft: #fff9eb;
  --border: #e5e7eb;
  --green: #16a34a;
  --red: #dc2626;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Noto Sans TC", "Noto Sans SC", "Noto Sans JP", "Noto Sans KR", sans-serif;
  line-height: 1.6;
}
img, canvas { max-width: 100%; height: auto; }
a { color: var(--primary-dark); }
button { font: inherit; cursor: pointer; }

.btn {
  display: inline-block; border: none; border-radius: var(--radius);
  padding: 0.65rem 1.4rem; font-weight: 600; background: var(--primary);
  color: #3b2f10; transition: background 0.15s;
}
.btn:hover { background: var(--primary-dark); }
.btn.secondary { background: #f3f4f6; color: var(--ink); }
.btn.danger { background: #fee2e2; color: var(--red); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.small { padding: 0.3rem 0.8rem; font-size: 0.85rem; }

header {
  display: flex; align-items: center; gap: 0.8rem;
  padding: 0.7rem 1rem; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: var(--bg); z-index: 10;
}
.logo { font-weight: 800; font-size: 1.2rem; text-decoration: none; color: var(--ink); }
.logo span { color: var(--primary-dark); }
header .spacer { flex: 1; }
select#lang {
  border: 1px solid var(--border); border-radius: 8px; padding: 0.3rem 0.5rem;
  background: var(--bg); color: var(--ink); font-size: 0.85rem;
}
.userchip { display: flex; align-items: center; gap: 0.5rem; font-size: 0.85rem; }
.userchip img { width: 28px; height: 28px; border-radius: 50%; }

main { max-width: 860px; margin: 0 auto; padding: 1rem; }
.hidden { display: none !important; }

/* landing */
.hero { text-align: center; padding: 2.5rem 1rem 1.5rem; }
.hero h1 { font-size: 2rem; margin: 0 0 0.5rem; }
.hero p.sub { color: var(--ink-light); max-width: 560px; margin: 0 auto 1.2rem; }
.price-banner {
  display: inline-block; background: var(--bg-soft); border: 2px solid var(--primary);
  border-radius: 999px; padding: 0.4rem 1.2rem; font-weight: 700; margin-bottom: 1.2rem;
}
.price-banner small { display: block; font-weight: 400; font-size: 0.7rem; color: var(--ink-light); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin: 2rem 0; }
.feature { background: var(--bg-soft); border-radius: var(--radius); padding: 1rem; }
.feature h3 { margin: 0 0 0.3rem; font-size: 1rem; }
.feature p { margin: 0; font-size: 0.85rem; color: var(--ink-light); }

.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin: 1rem 0 2rem; }
.plan { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.2rem; text-align: center; }
.plan.highlight { border: 2px solid var(--primary); background: var(--bg-soft); }
.plan h3 { margin: 0; }
.plan .price { font-size: 1.6rem; font-weight: 800; margin: 0.4rem 0; }
.plan ul { list-style: none; padding: 0; margin: 0.6rem 0; font-size: 0.85rem; color: var(--ink-light); }
.plan ul li { padding: 0.15rem 0; }

/* app */
.card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.2rem; margin-bottom: 1rem; background: var(--bg);
}
.card h2 { margin: 0 0 0.8rem; font-size: 1.1rem; }
.balancebar {
  display: flex; flex-wrap: wrap; gap: 0.8rem 1.6rem; align-items: center;
  background: var(--bg-soft); border-radius: var(--radius); padding: 0.8rem 1.2rem; margin-bottom: 1rem;
}
.balancebar .stat b { font-size: 1.1rem; }
.balancebar .stat { font-size: 0.85rem; color: var(--ink-light); }
.balancebar .stat b { color: var(--ink); display: block; }

.dropzone {
  border: 2px dashed var(--primary); border-radius: var(--radius);
  padding: 2rem 1rem; text-align: center; color: var(--ink-light); cursor: pointer;
  background: var(--bg-soft);
}
.dropzone.small { padding: 0.8rem; }
#preview-wrap { text-align: center; margin-top: 1rem; }
#preview-wrap img { max-height: 320px; border-radius: 8px; border: 1px solid var(--border); }

.formgrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0.8rem; margin-top: 1rem; }
.formgrid label { display: block; font-size: 0.8rem; color: var(--ink-light); margin-bottom: 0.2rem; }
.formgrid input, .formgrid select, .formgrid textarea {
  width: 100%; padding: 0.5rem 0.6rem; border: 1px solid var(--border);
  border-radius: 8px; font: inherit; color: var(--ink); background: var(--bg);
}
.formgrid .full { grid-column: 1 / -1; }
.checkline { display: flex; align-items: center; gap: 0.5rem; font-size: 0.9rem; }

/* records */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 640px; font-size: 0.85rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--border); }
th { background: var(--bg-soft); cursor: pointer; white-space: nowrap; user-select: none; }
td.num, th.num { text-align: right; }
.filters { display: flex; flex-wrap: wrap; gap: 0.6rem; align-items: center; margin-bottom: 0.8rem; }
.filters select { padding: 0.35rem 0.5rem; border: 1px solid var(--border); border-radius: 8px; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.8rem; margin-bottom: 1rem; }
.stat-tile { background: var(--bg-soft); border-radius: var(--radius); padding: 0.7rem 0.9rem; }
.stat-tile .v { font-size: 1.25rem; font-weight: 800; }
.stat-tile .l { font-size: 0.75rem; color: var(--ink-light); }
.catbar { margin: 0.15rem 0; font-size: 0.8rem; }
.catbar .bar { height: 8px; border-radius: 4px; background: var(--primary); display: inline-block; vertical-align: middle; margin-right: 0.5rem; }

.badge { display: inline-block; border-radius: 6px; padding: 0.05rem 0.45rem; font-size: 0.75rem; }
.badge.yes { background: #dcfce7; color: var(--green); }
.badge.no { background: #f3f4f6; color: var(--ink-light); }

/* modal */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 50;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal {
  background: var(--bg); border-radius: var(--radius); max-width: 480px; width: 100%;
  max-height: 90vh; overflow-y: auto; padding: 1.4rem;
}
.modal h3 { margin-top: 0; }

.toast {
  position: fixed; left: 50%; bottom: 2rem; transform: translateX(-50%);
  background: var(--ink); color: #fff; border-radius: 999px; padding: 0.5rem 1.2rem;
  font-size: 0.9rem; z-index: 99; opacity: 0; transition: opacity 0.3s; pointer-events: none;
  max-width: 90vw;
}
.toast.show { opacity: 1; }

footer {
  border-top: 1px solid var(--border); margin-top: 3rem; padding: 1.5rem 1rem;
  text-align: center; font-size: 0.8rem; color: var(--ink-light);
}
footer a { margin: 0 0.5rem; }

@media (max-width: 640px) {
  .hero h1 { font-size: 1.5rem; }
  main { padding: 0.7rem; }
  input, select, textarea { font-size: 16px !important; }
}
@media print {
  header, footer, .no-print { display: none !important; }
}