:root {
  --bg: #14110e;
  --panel: #1e1914;
  --ink: #f3ebe1;
  --muted: #a89888;
  --line: rgba(220, 190, 150, 0.14);
  --accent: #d4a35c;
  --accent-soft: rgba(212, 163, 92, 0.16);
  --danger: #e07070;
  --shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
  --radius: 14px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", "Segoe UI", system-ui, sans-serif;
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(212, 163, 92, 0.18), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, rgba(120, 90, 60, 0.14), transparent 50%),
    var(--bg);
}

.home-link {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 20;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
}

.home-link:hover { color: var(--accent); }

.app {
  max-width: 1080px;
  margin: 0 auto;
  padding: 48px 16px 56px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 2.8rem);
  letter-spacing: -0.02em;
  line-height: 1.05;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.lead {
  margin: 10px 0 0;
  color: var(--muted);
  max-width: 38rem;
  line-height: 1.6;
  font-size: 0.95rem;
}

.layout {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

@media (min-width: 860px) {
  .layout {
    grid-template-columns: 240px 1fr;
    align-items: start;
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.panel__head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.panel__title {
  margin: 0;
  font-size: 0.95rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.memo-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
  max-height: min(60vh, 520px);
  overflow: auto;
}

.memo-item {
  width: 100%;
  text-align: left;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.03);
  color: var(--ink);
  border-radius: 10px;
  padding: 10px 10px 8px;
  cursor: pointer;
  font: inherit;
}

.memo-item:hover {
  border-color: var(--line);
  background: var(--accent-soft);
}

.memo-item.is-active {
  border-color: rgba(212, 163, 92, 0.45);
  background: var(--accent-soft);
}

.memo-item__title {
  display: block;
  font-weight: 650;
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.memo-item__meta {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
}

.field {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
}

.tab-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: -4px 0 6px;
}

.tab-toolbar__danger {
  margin-left: auto;
}

.status {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.3;
  min-height: 1.3em;
}

.field__label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.28);
  color: var(--ink);
  font: inherit;
  padding: 10px 12px;
}

textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.45;
  resize: vertical;
  min-height: 10rem;
}

input:focus,
textarea:focus {
  outline: 2px solid rgba(212, 163, 92, 0.45);
  outline-offset: 1px;
}

.hint {
  margin: 0 0 4px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.btn {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 650;
  cursor: pointer;
}

.btn:hover { background: rgba(255, 255, 255, 0.08); }

.btn--small {
  padding: 5px 10px;
  font-size: 0.78rem;
}

.btn--primary {
  background: var(--accent-soft);
  border-color: rgba(212, 163, 92, 0.4);
  color: #f6e6c8;
}

.btn--danger {
  border-color: rgba(224, 112, 112, 0.35);
  color: #f0b0b0;
}

@media (max-width: 859px) {
  .memo-list { max-height: 220px; }
}