:root {
  --accent: #4f46e5;
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
}
* { box-sizing: border-box; }
body {
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  min-height: 100vh;
}
main {
  width: min(880px, 92vw);
  margin: 2em auto;
  padding: 2em;
  background: var(--card);
  border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
}
h1 { margin-bottom: .2em; }

label { display: block; margin: 1em 0 .3em; font-weight: 600; }
.field input {
  width: 100%;
  padding: .6em .8em;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent); }
.password-wrap { display: flex; gap: .5em; }
.password-wrap input { flex: 1; }
#toggle {
  background: #eef0f6;
  color: var(--text);
  padding: .6em 1em;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  white-space: nowrap;
  min-width: 5em;
}

button.primary {
  display: block;
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: .8em;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 1.5em;
  transition: background .15s, transform .05s;
}
button.primary:hover { background: #4338ca; }
button.primary:active { transform: scale(.98); }
#error { color: #dc2626; font-weight: 600; }

h2 { margin-top: 2em; }
.table-wrap { overflow-x: auto; margin-top: 1em; }
table {
  width: 100%;
  border-collapse: collapse;
}
th, td { border: 1px solid var(--border); padding: .6em .8em; text-align: left; }
th { background: #eef0f6; font-weight: 600; }
td { overflow-wrap: anywhere; }
td:last-child { white-space: nowrap; }
tbody tr:nth-child(even) { background: #fafbfd; }
.delete {
  background: #dc2626;
  color: #fff;
  border: none;
  padding: .3em .9em;
  border-radius: 6px;
  cursor: pointer;
}
.empty { color: var(--muted); text-align: center; padding: 2em; }

.watermark {
  text-align: center;
  color: var(--muted);
  font-size: .85rem;
  margin: 0;
  padding: 1.2em 0 1.6em;
}