:root {
  --bg: #0b0d12;
  --card: #141822cc;
  --line: #2a3040;
  --text: #e8ecf4;
  --muted: #93a0b8;
  --accent: #6ea8fe;
  --accent-2: #9a7bff;
  --danger: #ff7a90;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body { margin: 0; height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100%;
}

.aurora {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 50% at 15% 0%, #6ea8fe33, transparent 70%),
    radial-gradient(50% 45% at 90% 10%, #9a7bff33, transparent 70%);
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px; border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: .2px; }
.mark {
  width: 16px; height: 16px; border-radius: 5px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px #6ea8fe66;
}
.who { color: var(--muted); font-size: 13px; }

main { max-width: 620px; margin: 40px auto 80px; padding: 0 18px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 20px 60px #0006, inset 0 1px 0 #ffffff0a;
}

.hidden { display: none; }

h1 { margin: 0 0 6px; font-size: 22px; letter-spacing: -.2px; }
.muted { color: var(--muted); margin: 0 0 18px; font-size: 13.5px; }

form { display: grid; gap: 14px; margin-top: 6px; }
label { display: grid; gap: 6px; font-size: 12.5px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }

input, textarea {
  width: 100%; padding: 11px 12px; color: var(--text);
  background: #0e1118; border: 1px solid var(--line); border-radius: 10px;
  font: inherit; text-transform: none; letter-spacing: normal;
  transition: border-color .15s, box-shadow .15s;
}
input:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px #6ea8fe26; }
textarea { resize: vertical; }

.row { display: flex; gap: 10px; align-items: center; }
.row.end { justify-content: flex-end; margin-top: 6px; }

button {
  appearance: none; cursor: pointer; font: inherit; font-weight: 600;
  padding: 10px 16px; border-radius: 10px; border: 1px solid transparent;
  color: #06101f; background: linear-gradient(135deg, var(--accent), var(--accent-2));
  transition: transform .08s ease, filter .15s;
}
button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px); }
button.ghost { background: transparent; color: var(--text); border-color: var(--line); }
button.link { background: none; border: none; color: var(--danger); padding: 2px 6px; font-weight: 500; }

.msg { min-height: 20px; margin: 12px 0 0; font-size: 13.5px; color: var(--muted); }
.msg.error { color: var(--danger); }
.msg.ok { color: #7ee2b8; }

.notes { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.note {
  display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
  padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px;
  background: #0f131b;
}
.note h3 { margin: 0 0 4px; font-size: 15px; }
.note p { margin: 0; color: var(--muted); font-size: 13.5px; white-space: pre-wrap; word-break: break-word; }
.note time { display: block; margin-top: 6px; color: #6b7890; font-size: 11.5px; }
.empty { color: var(--muted); font-size: 13.5px; padding: 10px 2px; }