:root {
  color-scheme: light;
  --font-sans: "Apple SD Gothic Neo", "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Noto Sans KR", "Malgun Gothic", sans-serif;
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-muted: #f4f1ea;
  --border: #d9d3c4;
  --text: #151515;
  --text-muted: #5f5a4e;
  --accent: #111111;
  --accent-contrast: #ffffff;
  --callout: #fbf6e7;
  --shadow: 0 24px 80px rgba(23, 18, 8, 0.08);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
}

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

a {
  color: inherit;
}

.app-shell {
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(244, 241, 234, 0.8), transparent 38%),
    linear-gradient(180deg, #fffef9, #ffffff 30%, #fbfaf6 100%);
}

.content {
  display: none;
  max-width: 860px;
  margin: 0 auto;
  padding: 72px 24px 96px;
  line-height: 1.75;
  word-break: keep-all;
}

.content.is-visible {
  display: block;
}

.content h1,
.content h2,
.content h3 {
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  scroll-margin-top: 24px;
}

.content h1 {
  margin: 0 0 28px;
  font-size: clamp(2.2rem, 4vw, 3.4rem);
}

.content h2 {
  margin: 48px 0 18px;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
}

.content h3 {
  margin: 36px 0 14px;
  font-size: clamp(1.25rem, 2.2vw, 1.6rem);
}

.content p,
.content blockquote,
.content ul,
.content ol,
.content figure,
.content details,
.content .callout,
.content .page-card,
.content .bookmark,
.content .file-link,
.content .todo-item,
.content .table-of-contents {
  margin: 0 0 18px;
}

.content blockquote {
  padding-left: 18px;
  border-left: 3px solid #d7d0c1;
  color: var(--text-muted);
}

.content hr {
  margin: 32px 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.content ul,
.content ol {
  padding-left: 24px;
}

.content li + li {
  margin-top: 8px;
}

.content pre {
  margin: 0;
  overflow-x: auto;
  background: #1e1a14;
  color: #f9f4ea;
  border-radius: 16px;
  padding: 18px;
}

.content code {
  font-family: "SFMono-Regular", "Menlo", monospace;
}

.content img {
  width: 100%;
  border-radius: 18px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  display: block;
}

.content video {
  width: 100%;
  display: block;
  border-radius: 18px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  background: #000;
}

.video-frame {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  background: #000;
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.content figcaption {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.callout {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid #efe4b9;
  background: var(--callout);
}

.callout-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.page-card,
.bookmark,
.file-link {
  display: block;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
  text-decoration: none;
}

.database-block {
  margin: 32px 0;
  padding: 20px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
}

.database-title {
  font-size: 1.2rem;
  font-weight: 700;
}

.database-meta {
  margin-top: 6px;
  color: var(--text-muted);
  font-size: 0.92rem;
}

.database-table-wrap {
  margin-top: 18px;
  overflow-x: auto;
}

.database-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.database-table th,
.database-table td {
  border-top: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.database-table th {
  padding: 0;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.database-table td {
  padding: 12px 14px;
  font-size: 0.98rem;
}

.database-block-calendar {
  display: grid;
  gap: 18px;
}

.calendar-toolbar {
  position: relative;
  margin: 0 0 24px;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.calendar-toolbar.is-loading::after {
  content: "조회중...";
  position: absolute;
  top: 18px;
  right: 20px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(21, 21, 21, 0.92);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.calendar-toolbar.is-loading .calendar-toolbar-main,
.calendar-toolbar.is-loading .calendar-filter-extra {
  opacity: 0.55;
}

.calendar-toolbar.is-loading button,
.calendar-toolbar.is-loading input {
  cursor: progress;
}

.calendar-toolbar-main {
  display: grid;
  gap: 14px;
}

.calendar-filter-group {
  display: grid;
  gap: 8px;
}

.calendar-filter-title {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.calendar-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.calendar-filter-button,
.calendar-filter-submit {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--text);
}

.calendar-filter-button {
  padding: 8px 14px;
  font-weight: 600;
  cursor: pointer;
}

.calendar-filter-button:disabled,
.calendar-filter-submit:disabled {
  opacity: 0.72;
}

.calendar-filter-button.is-active {
  border-color: #111111;
  background: #111111;
  color: #ffffff;
}

.calendar-filter-extra {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 12px 16px;
}

.calendar-filter-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
}

.calendar-filter-submit {
  padding: 8px 14px;
  font-weight: 700;
  cursor: pointer;
}

.database-groups {
  display: grid;
  gap: 18px;
}

.database-group {
  border-top: 1px solid rgba(217, 211, 196, 0.8);
  padding-top: 18px;
}

.database-group:first-child {
  border-top: 0;
  padding-top: 0;
}

.database-group-title {
  margin-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.database-group .database-table-wrap {
  margin-top: 0;
}

.database-sort-button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: inherit;
  font: inherit;
  font-size: inherit;
  font-weight: inherit;
  text-align: left;
  cursor: pointer;
}

.database-sort-button:hover {
  background: rgba(0, 0, 0, 0.03);
}

.database-sort-button:focus-visible {
  outline: 2px solid rgba(21, 21, 21, 0.14);
  outline-offset: -2px;
}

.database-sort-indicator {
  position: relative;
  width: 10px;
  min-width: 10px;
  height: 14px;
}

.database-sort-indicator::before,
.database-sort-indicator::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  opacity: 0.25;
  transition: opacity 160ms ease;
}

.database-sort-indicator::before {
  top: 1px;
  border-bottom: 5px solid currentColor;
}

.database-sort-indicator::after {
  bottom: 1px;
  border-top: 5px solid currentColor;
}

.database-table th[data-sort-direction="asc"] .database-sort-indicator::before {
  opacity: 0.9;
}

.database-table th[data-sort-direction="asc"] .database-sort-indicator::after {
  opacity: 0.15;
}

.database-table th[data-sort-direction="desc"] .database-sort-indicator::before {
  opacity: 0.15;
}

.database-table th[data-sort-direction="desc"] .database-sort-indicator::after {
  opacity: 0.9;
}

.database-row-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  text-decoration: none;
}

.database-row-icon {
  width: 15px;
  min-width: 15px;
  height: 15px;
  color: #8a8376;
}

.database-row-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.database-date {
  font-weight: 600;
}

.database-date.is-holiday {
  color: #d44a3a;
}

.database-empty {
  margin-top: 16px;
  color: var(--text-muted);
}

@media (max-width: 720px) {
  .calendar-filter-extra {
    align-items: stretch;
  }

  .calendar-filter-submit {
    width: 100%;
  }
}

.todo-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.lock-screen[hidden],
.status-message[hidden] {
  display: none !important;
}

.table-of-contents {
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.table-of-contents-title {
  margin-bottom: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.table-of-contents-list {
  margin: 0;
  padding-left: 18px;
}

.table-of-contents-item + .table-of-contents-item {
  margin-top: 8px;
}

.table-of-contents-item.level-2 {
  margin-left: 14px;
}

.table-of-contents-item.level-3 {
  margin-left: 28px;
}

.table-of-contents-item a {
  text-decoration: none;
}

.table-of-contents-item a:hover {
  text-decoration: underline;
}

.unsupported-block {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  color: var(--text-muted);
  background: rgba(0, 0, 0, 0.02);
  font-size: 0.95rem;
}

.lock-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.lock-panel {
  width: min(100%, 460px);
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(217, 211, 196, 0.8);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--text-muted);
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.lock-title {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.12;
}

.lock-copy {
  margin: 12px 0 24px;
  color: var(--text-muted);
  line-height: 1.6;
}

.unlock-form {
  display: grid;
  gap: 12px;
}

.field-label {
  font-size: 0.95rem;
}

.password-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  background: var(--surface);
  color: var(--text);
  font: inherit;
}

.password-input:focus {
  outline: 2px solid rgba(21, 21, 21, 0.12);
  outline-offset: 0;
}

.submit-button {
  border: 0;
  border-radius: 14px;
  padding: 14px 18px;
  background: var(--accent);
  color: var(--accent-contrast);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.submit-button:disabled {
  opacity: 0.55;
  cursor: wait;
}

.status-message {
  min-height: 1.5em;
  margin: 12px 0 0;
  color: #a32727;
}

@media (max-width: 720px) {
  .content {
    padding: 56px 18px 72px;
  }

  .lock-panel {
    padding: 24px 20px;
  }
}