:root {
  --blue: #1D4ED8;
  --blue-deep: #1E3A8A;
  --orange: #F25C1F;
  --ink: #1F1E1D;
  --gray: #6E6B66;
  --bg: #F4F6FB;
}
* { box-sizing: border-box; margin: 0; }
body { font-family: 'IBM Plex Sans Thai', system-ui, sans-serif; background: var(--bg); color: var(--ink); }

.topbar {
  display: flex; align-items: center; gap: 14px;
  background: linear-gradient(90deg, var(--blue-deep), var(--blue) 55%, var(--orange));
  color: #fff; padding: 18px 22px;
}
.logo { width: 44px; height: 44px; }
.topbar h1 { font-size: 20px; }
.tagline { font-size: 12.5px; opacity: .85; }
.count { margin-left: auto; background: rgba(255,255,255,.18); border-radius: 999px; padding: 6px 14px; font-size: 13px; font-weight: 600; }

.wrap { max-width: 860px; margin: 0 auto; padding: 24px 16px 60px; }

.addbox { background: #fff; border-radius: 16px; padding: 18px; box-shadow: 0 8px 28px rgba(30,58,138,.08); }
.addbox input, .addbox textarea {
  width: 100%; border: 1px solid #E5E7EB; border-radius: 10px;
  padding: 11px 13px; font-size: 14.5px; font-family: inherit; outline: none; margin-bottom: 10px;
  resize: vertical;
}
.addbox input:focus, .addbox textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(29,78,216,.12); }
.addrow { display: flex; align-items: center; justify-content: space-between; }
.addrow button {
  background: linear-gradient(90deg, var(--blue), var(--orange));
  color: #fff; border: none; border-radius: 10px; padding: 11px 22px;
  font-size: 14.5px; font-weight: 700; font-family: inherit; cursor: pointer;
}
.colors { display: flex; gap: 8px; }
.colors button {
  width: 26px; height: 26px; border-radius: 50%; border: 2px solid transparent; cursor: pointer;
}
.colors button.sel { border-color: var(--ink); transform: scale(1.15); }

.tips {
  margin: 20px 0; background: linear-gradient(135deg, #EFF4FF, #FFF4EE);
  border-radius: 14px; padding: 14px 18px;
}
.tips h2 { font-size: 14px; color: var(--blue-deep); margin-bottom: 4px; }
.tips p { font-size: 13.5px; color: var(--gray); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.card {
  border-radius: 14px; padding: 16px; position: relative;
  box-shadow: 0 4px 16px rgba(30,58,138,.07);
  animation: pop .18s ease-out;
}
@keyframes pop { from { transform: scale(.96); opacity: 0; } }
.card h3 { font-size: 15px; margin-bottom: 6px; padding-right: 22px; word-break: break-word; }
.card p { font-size: 13.5px; color: #44403A; white-space: pre-wrap; word-break: break-word; }
.card time { display: block; margin-top: 10px; font-size: 11.5px; color: var(--gray); }
.card .del {
  position: absolute; top: 8px; right: 10px; border: none; background: none;
  font-size: 20px; color: var(--gray); cursor: pointer; line-height: 1;
}
.card .del:hover { color: #DC2626; }

.empty { text-align: center; color: var(--gray); margin-top: 40px; font-size: 14px; }