:root {
  --bg: #f7f4ef;
  --bg-soft: #efe8dc;
  --card: rgba(255, 255, 255, 0.78);
  --text: #1f2328;
  --muted: #61656b;
  --accent: #d74722;
  --accent-strong: #ac3418;
  --border: rgba(31, 35, 40, 0.12);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.14);
}

body.dark {
  --bg: #14181d;
  --bg-soft: #1d2530;
  --card: rgba(31, 39, 50, 0.72);
  --text: #eef2f7;
  --muted: #adb8c5;
  --accent: #ff8b44;
  --accent-strong: #ff7331;
  --border: rgba(255, 255, 255, 0.15);
  --shadow: 0 18px 55px rgba(0, 0, 0, 0.4);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(215, 71, 34, 0.16), transparent 45%),
    radial-gradient(circle at 80% 95%, rgba(33, 126, 204, 0.18), transparent 40%),
    linear-gradient(160deg, var(--bg), var(--bg-soft));
  overflow-x: hidden;
}

.ambient {
  position: fixed;
  width: 350px;
  height: 350px;
  border-radius: 50%;
  filter: blur(65px);
  z-index: -1;
  pointer-events: none;
}

.ambient-a {
  top: -80px;
  left: -60px;
  background: rgba(239, 129, 69, 0.45);
}

.ambient-b {
  right: -110px;
  bottom: -90px;
  background: rgba(53, 146, 226, 0.35);
}

.shell {
  width: min(980px, 92vw);
  margin: 2.5rem auto;
  display: grid;
  gap: 1.1rem;
  animation: rise-in 480ms ease;
}

.header-card h1 {
  font-family: "DM Serif Display", serif;
  font-size: clamp(2rem, 3.2vw, 3rem);
  margin: 0.2rem 0;
}

.eyebrow {
  margin: 0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 0.82rem;
}

.subtitle {
  margin-top: 0.5rem;
  color: var(--muted);
}

.card,
.header-card {
  backdrop-filter: blur(8px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}

.theme-toggle,
button {
  border: 0;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease;
}

button:hover {
  transform: translateY(-1px);
  background: var(--accent-strong);
}

.theme-toggle {
  padding: 0.55rem 0.85rem;
}

.composer {
  display: grid;
  gap: 0.7rem;
}

.composer textarea,
.notes-toolbar input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.8rem;
  font: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.4);
}

body.dark .composer textarea,
body.dark .notes-toolbar input {
  background: rgba(255, 255, 255, 0.06);
}

.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#save-btn {
  padding: 0.65rem 1rem;
}

#char-count {
  color: var(--muted);
  font-size: 0.93rem;
}

.notes-toolbar {
  display: grid;
  grid-template-columns: 1fr minmax(200px, 320px);
  gap: 0.8rem;
  align-items: center;
}

.notes-toolbar h2 {
  margin: 0;
}

.notes-list {
  margin-top: 0.9rem;
  display: grid;
  gap: 0.8rem;
}

.note-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.45);
  opacity: 0;
  transform: translateY(7px);
  animation: note-in 260ms ease forwards;
}

body.dark .note-item {
  background: rgba(255, 255, 255, 0.05);
}

.note-content {
  margin: 0;
  white-space: pre-wrap;
}

.note-meta {
  display: flex;
  gap: 1rem;
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.83rem;
}

.note-actions {
  margin-top: 0.75rem;
  display: flex;
  gap: 0.55rem;
}

.note-actions button {
  padding: 0.45rem 0.7rem;
  font-size: 0.86rem;
}

.empty-state {
  color: var(--muted);
  margin-top: 0.75rem;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes note-in {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 700px) {
  .shell {
    margin: 1rem auto 1.5rem;
  }

  .notes-toolbar {
    grid-template-columns: 1fr;
  }

  .note-meta {
    flex-direction: column;
    gap: 0.25rem;
  }

  .note-actions {
    flex-wrap: wrap;
  }
}