:root {
  --bg: linear-gradient(145deg, #f5f7ff 0%, #eef2f7 45%, #e7efe9 100%);
  --surface: rgba(255, 255, 255, 0.9);
  --surface-strong: #ffffff;
  --line: rgba(18, 31, 38, 0.12);
  --text: #122031;
  --muted: #5a6773;
  --accent: #126e4c;
  --accent-soft: #e5f4ed;
  --danger: #b02235;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "IBM Plex Sans KR", sans-serif;
  color: var(--text);
  background: var(--bg);
}

.app-shell {
  width: min(1280px, calc(100vw - 28px));
  margin: 14px auto 24px;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  backdrop-filter: blur(8px);
}

.top-eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

h1 {
  margin: 2px 0 0;
  font-size: 24px;
}

.top-actions {
  display: flex;
  gap: 8px;
}

.status-line {
  min-height: 24px;
  margin: 10px 4px 8px;
  color: var(--muted);
  font-size: 13px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

#create-view.view.active {
  display: flex;
}

.memo-grid {
  display: grid;
  gap: 12px;
}

.memo-section {
  display: grid;
  gap: 8px;
}

.memo-section-title {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.memo-grid-section {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 10px;
}

.memo-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface-strong);
  padding: 12px;
  min-height: 178px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform 0.14s ease, box-shadow 0.14s ease;
}

.memo-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 9px 20px rgba(18, 32, 49, 0.1);
}

.memo-card.inactive {
  background: #f6f8fa;
  border-style: dashed;
  opacity: 0.82;
}

.memo-card.inactive:hover {
  transform: none;
  box-shadow: none;
}

.memo-card-empty {
  min-height: 78px;
  cursor: default;
}

.memo-card h3 {
  margin: 0;
  font-size: 16px;
}

.meta,
.preview {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.preview {
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hint-text {
  margin: 2px 2px 8px;
  font-size: 12px;
  color: var(--muted);
}

.target-picker {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  padding: 8px;
  margin-bottom: 8px;
}

.target-picker-head {
  margin: 0 0 6px;
  font-size: 12px;
  color: var(--muted);
}

.target-list {
  display: grid;
  gap: 6px;
  max-height: 160px;
  overflow: auto;
}

.target-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
}

.target-item span {
  color: var(--text);
}

.icon-btn,
.ghost-btn {
  border: 1px solid var(--line);
  background: var(--surface-strong);
  color: var(--text);
  border-radius: 10px;
  min-width: 40px;
  height: 40px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-btn:hover,
.ghost-btn:hover {
  border-color: rgba(18, 110, 76, 0.45);
  color: var(--accent);
}

.hidden {
  display: none !important;
}

.field {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
  background: var(--surface-strong);
  color: var(--text);
  font: inherit;
}

.detail-head {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 10px;
}

.detail-title-wrap {
  flex: 1;
  display: grid;
  gap: 8px;
}

.detail-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
}

.detail-actions-grid,
.attach-row,
.entry-add-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr auto;
  gap: 8px;
  margin-bottom: 8px;
}

.entry-add-row {
  grid-template-columns: 1fr auto;
}

.attach-row {
  grid-template-columns: 1fr auto;
}

.pane-primary {
  margin-bottom: 8px;
}

.panes {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.panes-secondary {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.pane {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  padding: 10px;
}

.pane h2 {
  margin: 0 0 8px;
  font-size: 14px;
}

.list {
  display: grid;
  gap: 8px;
  max-height: 420px;
  overflow: auto;
}

.item {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px;
  background: var(--surface-strong);
}

.item p {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.item small {
  color: var(--muted);
}

.attachment-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.attachment-download {
  width: 30px;
  min-width: 30px;
  height: 30px;
}

.attachment-preview-wrap {
  margin-top: 8px;
}

.attachment-preview {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f8fb;
  padding: 6px;
}

.attachment-image,
.attachment-video {
  width: 100%;
  max-height: 260px;
  border-radius: 6px;
  display: block;
  object-fit: contain;
  background: #eaf0f7;
}
.attachment-image {
  cursor: zoom-in;
}

.attachment-audio {
  width: 100%;
}

.create-screen {
  width: 100%;
  min-height: calc(100vh - 160px);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--surface);
  padding: 10px;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 10px;
}

.create-head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
}

.create-head h2 {
  margin: 0;
  font-size: 20px;
}

.create-body {
  display: grid;
  gap: 8px;
  align-content: start;
}

.create-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.create-attach-row {
  display: flex;
  gap: 8px;
}

.attach-preview-list {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  max-height: 120px;
  overflow: auto;
  padding: 8px;
  display: grid;
  gap: 6px;
}

.attach-preview-item {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.editor-wrap {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  overflow: hidden;
}

.editor-toolbar {
  display: flex;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  background: #f8fbfe;
  flex-wrap: wrap;
}

.editor-toolbar .icon-btn {
  width: 36px;
  height: 36px;
  min-width: 36px;
}

.rich-editor {
  min-height: 320px;
  max-height: 52vh;
  overflow: auto;
  padding: 12px;
  outline: none;
  line-height: 1.6;
}

.rich-editor p,
.rich-editor ul,
.rich-editor ol,
.rich-editor blockquote {
  margin: 0 0 10px;
}

.rich-input {
  width: 100%;
  border: 0;
  resize: vertical;
  font: inherit;
  color: var(--text);
  background: var(--surface-strong);
}

.rich-input:focus {
  outline: none;
}

.rich-preview {
  background: #fbfcff;
}

.rich-editor blockquote {
  border-left: 3px solid #b8c6d3;
  padding-left: 10px;
  color: #4a5d6f;
}

.rich-preview h1,
.rich-preview h2,
.rich-preview h3 {
  margin: 0 0 8px;
}

.rich-preview code {
  background: #ecf2fb;
  border-radius: 6px;
  padding: 1px 5px;
}

.rich-preview a,
.memo-markdown a {
  color: #0f5cc0;
  text-decoration: underline;
}

.memo-markdown ul,
.memo-markdown ol {
  margin: 0 0 8px 20px;
  padding: 0;
}

.memo-markdown p {
  margin: 0 0 8px;
}

.memo-markdown blockquote {
  margin: 0 0 8px;
  border-left: 3px solid #b8c6d3;
  padding-left: 10px;
  color: #4a5d6f;
}

.material-symbols-rounded {
  font-variation-settings: "FILL" 0, "wght" 500, "GRAD" 0, "opsz" 24;
}

.image-viewer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  background: rgba(8, 14, 22, 0.94);
  display: grid;
  grid-template-rows: 1fr auto;
  padding: 20px 20px 14px;
}

.image-viewer-stage {
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-viewer-image {
  max-width: min(96vw, 1800px);
  max-height: calc(100vh - 92px);
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 10px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.45);
}

.image-viewer-caption {
  margin: 8px 4px 0;
  color: #dbe6f2;
  text-align: center;
  font-size: 13px;
  word-break: break-word;
}

.image-viewer-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 42px;
  min-width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.9);
}

@media (max-width: 980px) {
  .panes,
  .panes-secondary {
    grid-template-columns: 1fr;
  }
  .detail-actions-grid {
    grid-template-columns: 1fr 1fr;
  }
  .create-screen {
    min-height: calc(100vh - 140px);
  }
  .rich-editor {
    max-height: 60vh;
  }
}

@media (max-width: 640px) {
  h1 {
    font-size: 20px;
  }
  .app-shell {
    width: calc(100vw - 16px);
    margin: 8px auto 14px;
  }
  .top-bar {
    border-radius: 12px;
    padding: 10px;
  }
  .memo-grid-section {
    grid-template-columns: 1fr;
  }
  .detail-actions-grid,
  .attach-row,
  .entry-add-row,
  .create-grid {
    grid-template-columns: 1fr;
  }
  .create-head h2 {
    font-size: 18px;
  }
  .rich-editor {
    min-height: 240px;
    max-height: 56vh;
  }
  .image-viewer-overlay {
    padding: 14px 8px 10px;
  }
  .image-viewer-image {
    max-width: 98vw;
    max-height: calc(100vh - 82px);
    border-radius: 8px;
  }
  .image-viewer-caption {
    font-size: 12px;
  }
}