:root,
body[data-theme="warm"] {
  --bg: #f5efe5;
  --bg-deep: #e7dac7;
  --ink: #1f2923;
  --muted: #68736b;
  --line: #d7c8b4;
  --panel: #fffaf1;
  --panel-strong: #fff4df;
  --green: #1f7a55;
  --green-dark: #145b3f;
  --amber: #c37a21;
  --red: #b94436;
  --glow: rgba(31, 122, 85, 0.16);
  --shadow: 0 20px 60px rgba(67, 52, 33, 0.16);
}

body[data-theme="forest"] {
  --bg: #edf4ec;
  --bg-deep: #d6e8d4;
  --ink: #17251b;
  --muted: #5d7062;
  --line: #bdd2bf;
  --panel: #fbfff9;
  --panel-strong: #eef7ea;
  --green: #2f7d45;
  --green-dark: #1e6332;
  --amber: #9a7424;
  --red: #b5473f;
  --glow: rgba(47, 125, 69, 0.18);
  --shadow: 0 20px 60px rgba(37, 84, 50, 0.14);
}

body[data-theme="ocean"] {
  --bg: #eef7fb;
  --bg-deep: #d4e8f2;
  --ink: #142633;
  --muted: #5a6f7c;
  --line: #bad2df;
  --panel: #fbfdff;
  --panel-strong: #eaf5fb;
  --green: #247ba0;
  --green-dark: #155f82;
  --amber: #c6782b;
  --red: #b64a4a;
  --glow: rgba(36, 123, 160, 0.18);
  --shadow: 0 20px 60px rgba(33, 85, 111, 0.14);
}

body[data-theme="rose"] {
  --bg: #fff0f1;
  --bg-deep: #f5d6da;
  --ink: #332025;
  --muted: #7c6066;
  --line: #e4c0c7;
  --panel: #fffafb;
  --panel-strong: #fff0f3;
  --green: #b65168;
  --green-dark: #933b51;
  --amber: #b86f38;
  --red: #b94436;
  --glow: rgba(182, 81, 104, 0.16);
  --shadow: 0 20px 60px rgba(127, 55, 72, 0.14);
}

body[data-theme="graphite"] {
  --bg: #eceff1;
  --bg-deep: #d9dee2;
  --ink: #1d2327;
  --muted: #667078;
  --line: #c6cdd3;
  --panel: #fbfcfd;
  --panel-strong: #eef1f3;
  --green: #4f6673;
  --green-dark: #384b55;
  --amber: #9a6b2f;
  --red: #a9463d;
  --glow: rgba(79, 102, 115, 0.16);
  --shadow: 0 20px 60px rgba(42, 54, 61, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, var(--glow), transparent 34rem),
    linear-gradient(135deg, var(--panel) 0%, var(--bg) 52%, var(--bg-deep) 100%);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
}

.is-hidden {
  display: none !important;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 12px;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 1.3rem;
}

h3 {
  margin-bottom: 8px;
}

.note-form,
.filter-stack {
  display: grid;
  gap: 12px;
}

label {
  color: var(--ink);
  font-weight: 800;
}

label span,
.field-error {
  color: var(--red);
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  outline: none;
  padding: 12px 14px;
}

textarea {
  resize: vertical;
  min-height: 190px;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(31, 122, 85, 0.14);
}

.primary-button,
.ghost-button,
.danger-button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  font-weight: 900;
}

.primary-button {
  background: var(--green);
  color: #ffffff;
}

.primary-button:hover {
  background: var(--green-dark);
}

.ghost-button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
}

.ghost-button:hover {
  background: rgba(31, 122, 85, 0.08);
}

.danger-button {
  background: rgba(185, 68, 54, 0.1);
  color: var(--red);
}

.danger-button:hover {
  background: rgba(185, 68, 54, 0.18);
}

.workspace {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 300px minmax(320px, 0.88fr) minmax(420px, 1.25fr);
  gap: 18px;
  padding: 18px;
}

.sidebar,
.note-list-panel,
.editor-panel {
  min-height: calc(100vh - 36px);
  border: 1px solid rgba(31, 41, 35, 0.12);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 10px 32px rgba(67, 52, 33, 0.1);
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
  padding: 20px;
}

.brand-row,
.panel-head,
.action-row,
.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.panel-head {
  padding: 20px 20px 14px;
  border-bottom: 1px solid var(--line);
}

.panel-head.compact {
  padding: 0 0 14px;
}

.stats-grid small,
.note-meta {
  color: var(--muted);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: auto;
}

.utility-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.theme-control {
  display: grid;
  gap: 6px;
}

.theme-control span {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 900;
}

.theme-control select {
  min-height: 44px;
}

.stats-grid div {
  padding: 14px;
  border-radius: 8px;
  background: var(--panel-strong);
}

.stats-grid span {
  display: block;
  font-size: 1.7rem;
  font-weight: 900;
}

.note-list-panel {
  overflow: hidden;
}

.note-list {
  max-height: calc(100vh - 130px);
  overflow: auto;
  padding: 12px;
}

.note-card {
  width: 100%;
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
  text-align: left;
}

.note-card:hover,
.note-card.active {
  border-color: var(--green);
  box-shadow: 0 8px 22px rgba(31, 122, 85, 0.12);
}

.note-card h3 {
  margin: 0;
  font-size: 1rem;
}

.note-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  background: rgba(31, 122, 85, 0.1);
  color: var(--green-dark);
  padding: 3px 9px;
  font-size: 0.78rem;
  font-weight: 900;
}

.badge.warn {
  background: rgba(195, 122, 33, 0.12);
  color: #8a5416;
}

.editor-panel {
  padding: 0 20px 20px;
  overflow: auto;
}

.editor-panel .panel-head {
  margin: 0 -20px 18px;
}

.save-status {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 800;
}

.field-error {
  margin: -6px 0 0;
  font-size: 0.9rem;
}

.check-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.check-label input {
  width: auto;
}

.action-row {
  justify-content: flex-start;
  flex-wrap: wrap;
  margin-top: 6px;
}

.empty-state {
  margin: 18px;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.empty-state p {
  margin-bottom: 0;
  color: var(--muted);
}

@media (max-width: 1120px) {
  .workspace {
    grid-template-columns: 280px 1fr;
  }

  .editor-panel {
    grid-column: 1 / -1;
  }

  .sidebar,
  .note-list-panel,
  .editor-panel {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .workspace {
    grid-template-columns: 1fr;
    padding: 10px;
  }

  .brand-row,
  .panel-head,
  .toggle-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .note-list {
    max-height: none;
  }
}