/* ─────────────── AI 연결(설정) ─────────────── */

.setup {
  max-width: 760px;
  padding: 44px var(--gutter) 120px var(--rail);
}

.su__head h1 {
  font-size: clamp(34px, 3.4vw, 54px);
  font-weight: 840;
  letter-spacing: -0.055em;
  line-height: 1.05;
}

.su__lead {
  max-width: 54ch;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-2);
}

.su__status {
  margin-top: 30px;
  padding: 20px 0 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.su__state {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 14px 22px;
}

.su__state p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fg-2);
}

.su__facts {
  display: grid;
  gap: 8px;
  margin: 0;
}

.su__facts div {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
}

.su__facts dt {
  color: var(--fg-3);
  font-weight: 650;
}

.su__facts dd {
  margin: 0;
  font-weight: 650;
}

.su__facts small {
  color: var(--fg-3);
  font-weight: 500;
}

.su__steps {
  display: grid;
  gap: 0;
  margin-top: 8px;
}

.su__steps > li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.su__no {
  font-size: 34px;
  font-weight: 300;
  font-stretch: 66%;
  line-height: 1;
  color: var(--fg-3);
}

.su__steps h2 {
  font-size: 19px;
  font-weight: 780;
  letter-spacing: -0.035em;
}

.su__steps p {
  margin: 8px 0 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fg-2);
}

.su__steps b {
  color: var(--fg);
  font-weight: 700;
}

.su__row {
  display: flex;
  gap: 10px;
}

.su__input {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 0 14px;
  border: 1.5px solid var(--line-2);
  border-radius: 3px;
  background: var(--bg-lo);
  color: var(--fg);
  font-family: var(--num);
  font-size: 15px;
  letter-spacing: 0.02em;
}

.su__input:focus-visible {
  outline: none;
  border-color: var(--fg);
}

.su__msg {
  min-height: 1.5em;
  margin-top: 10px !important;
  color: var(--fg) !important;
  font-weight: 650;
}

.su__note {
  margin-top: 24px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--fg-2);
}

.su__note a {
  color: var(--fg);
  font-weight: 700;
  border-bottom: 1.5px solid currentColor;
}

@media (max-width: 760px) {
  .setup {
    padding: 32px 16px 96px;
  }
  .su__state {
    grid-template-columns: minmax(0, 1fr);
  }
  .su__row {
    flex-direction: column;
  }
}

/* ─────────────── 학습노트 ─────────────── */

.notes-page,
.note-page {
  padding: 0 var(--gutter) 120px var(--rail);
}

.nt__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px 56px;
  padding: 40px 0 28px;
  border-bottom: 1px solid var(--line);
}

.nt__title .rv__back {
  margin-bottom: 14px;
}

.nt__head h1 {
  font-size: clamp(34px, 3.4vw, 54px);
  font-weight: 840;
  letter-spacing: -0.055em;
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.nt__lead {
  max-width: 58ch;
  margin-top: 16px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--fg-2);
}

.nt__stats {
  display: grid;
  grid-auto-flow: column;
  gap: 14px 36px;
  margin: 0;
}

.nt__stats div {
  display: grid;
  align-content: end;
}

.nt__stats dt {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--fg-3);
  white-space: nowrap;
}

.nt__stats dd {
  margin: 0;
  font-size: 38px;
  font-weight: 350;
  line-height: 1.08;
  font-stretch: 66%;
}

/* 브랜드 정보 */
.nt__bmeta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 18px;
  margin-top: 16px;
  font-size: 13.5px;
  color: var(--fg-3);
}

.nt__bmeta b {
  font-weight: 700;
  color: var(--fg);
}

.nt__link {
  padding-bottom: 1px;
  border-bottom: 1px solid var(--line-2);
  font-size: 13px;
  font-weight: 700;
  color: var(--fg-2);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.nt__link:hover {
  color: var(--fg);
  border-color: var(--fg);
}

.nt__binfo[hidden],
.nt__bedit[hidden] {
  display: none;
}

.nt__bedit {
  display: grid;
  gap: 14px;
  max-width: 720px;
  margin-top: 18px;
}

.nt__bgrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
}

.nt__wide {
  grid-column: 1 / -1;
}

.form__field small {
  font-size: 12px;
  line-height: 1.5;
  color: var(--fg-3);
}

.nt__danger {
  margin-left: auto;
  height: 34px;
  padding: 0 4px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--fg-3);
  transition: color var(--t-fast);
}

.nt__danger:hover {
  color: var(--fg);
}

.nt__danger[data-armed="1"] {
  color: var(--rec);
}

/* 도구 줄 */
.nt__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.nt__tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nt__tools .btn,
.nt__emptyacts .btn,
.nl__addbtn {
  gap: 7px;
}

.nt__tools .ico,
.nt__emptyacts .ico,
.nl__addbtn .ico {
  width: 14px;
  height: 14px;
}

.nt__filter button {
  height: 28px;
  padding: 0 11px;
  font-size: 12.5px;
}

/* 위쪽 패널(직접 쓰기 · 자료 정리) */
.nt__panel {
  padding: 18px 0 6px;
}

.nt__panel[hidden] {
  display: none;
}

.nt__card {
  display: grid;
  gap: 12px;
  max-width: 880px;
  padding: 16px 18px 18px;
  background: var(--bg-hi);
  border: 1px solid var(--line-2);
}

.nt__card .hf__head .form__note {
  flex: 0 1 auto;
}

.nt__hint {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--fg-2);
}

/* 본문 */
.nt__layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr);
  gap: 48px;
  padding-top: 28px;
}

.nt__layout.is-empty {
  grid-template-columns: minmax(0, 1fr);
}

.nt__layout.is-empty .nt__index,
.has-panel .nt__emptyacts {
  display: none;
}

.nt__index {
  position: sticky;
  top: 96px;
  align-self: start;
  display: grid;
  gap: 30px;
}

.nt__toc {
  display: grid;
  gap: 2px;
}

.nt__toc button {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  padding: 7px 10px 8px;
  border-left: 2px solid var(--line);
  font-size: 14px;
  font-weight: 650;
  text-align: left;
  color: var(--fg-2);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.nt__toc button:hover {
  color: var(--fg);
  border-left-color: var(--fg);
}

.nt__toc .num {
  font-size: 13px;
  color: var(--fg-3);
}

.nt__recent h3 {
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 760;
  color: var(--fg-3);
}

.nt__recent ul {
  display: grid;
  gap: 10px;
}

.nt__recent a {
  display: grid;
  gap: 2px;
  font-size: 13px;
}

.nt__recent a b {
  overflow: hidden;
  font-weight: 650;
  color: var(--fg-2);
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color var(--t-fast);
}

.nt__recent a span {
  font-size: 12px;
  color: var(--fg-4);
}

.nt__recent a:hover b {
  color: var(--fg);
}

.nt__sec {
  scroll-margin-top: 96px;
}

.nt__sec[hidden] {
  display: none;
}

.nt__sec + .nt__sec {
  margin-top: 36px;
}

.nt__sec h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nt__sec h2 .num {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg-3);
}

.nt__items {
  display: grid;
}

.nt__item {
  position: relative;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) auto;
  gap: 6px 20px;
  padding: 16px 0 18px;
  border-top: 1px solid var(--line);
}

.nt__item[hidden] {
  display: none;
}

.nt__item.is-editing {
  grid-template-columns: 48px minmax(0, 1fr);
}

.nt__no {
  padding-top: 3px;
  font-size: 15px;
  font-weight: 550;
  color: var(--fg-3);
}

.nt__no::before {
  content: "#";
  margin-right: 1px;
  opacity: 0.55;
}

.nt__main {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.nt__text {
  font-size: 16.5px;
  font-weight: 620;
  line-height: 1.6;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.nt__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 14px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--fg-3);
}

.nt__meta a {
  border-bottom: 1px solid var(--line-2);
  color: var(--fg-2);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.nt__meta a:hover {
  color: var(--fg);
  border-color: var(--fg);
}

.nt__imp {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--fg-2);
}

.nt__allow {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border: 1.5px dashed var(--fg-3);
  border-radius: 10px;
  font-size: 11.5px;
  font-weight: 750;
  color: var(--fg-2);
}

.nt__vt {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  height: 20px;
  padding: 0 8px 0 6px;
  border: 1px solid var(--line-2);
  border-radius: 10px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--fg-2);
}

.nt__vt .gi:last-of-type {
  margin-right: 2px;
}

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

.ne__vts .chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  font-size: 12px;
}

.ne__vts .chip .gi {
  color: var(--fg-3);
}

.ne__vts .chip[aria-pressed="true"] .gi {
  color: currentColor;
}

.form__k small {
  margin-left: 6px;
  font-weight: 600;
  color: var(--fg-4);
}

.nt__raw summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--fg-3);
  list-style: none;
  cursor: pointer;
}

.nt__raw summary::-webkit-details-marker {
  display: none;
}

.nt__raw summary::before {
  content: "";
  border-left: 5px solid currentColor;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  transition: transform var(--t-fast);
}

.nt__raw[open] summary::before {
  transform: rotate(90deg);
}

.nt__raw summary:hover {
  color: var(--fg);
}

.nt__raw p {
  margin-top: 8px;
  padding: 2px 0 2px 12px;
  border-left: 2px solid var(--line-2);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--fg-2);
  white-space: pre-wrap;
}

.nt__acts {
  display: flex;
  align-items: start;
  gap: 2px;
}

.nt__acts button {
  height: 28px;
  padding: 0 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--fg-3);
  transition: color var(--t-fast);
}

.nt__acts button:hover {
  color: var(--fg);
}

.nt__item.is-gone {
  grid-template-columns: 48px minmax(0, 1fr) auto;
}

.nt__gonemsg {
  padding-top: 3px;
  font-size: 14px;
  color: var(--fg-3);
}

/* 방금 고친·찾아온 항목 — 잠깐 왼쪽에 빨간 막대 */
.nt__item.is-flash::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 16px;
  bottom: 18px;
  width: 3px;
  background: var(--rec);
  animation: nt-flash 2.4s var(--ease-out) forwards;
}

.nt__item.is-flash::after {
  content: "";
  position: absolute;
  inset: 0 -12px;
  background: color-mix(in srgb, var(--fg) 6%, transparent);
  pointer-events: none;
  animation: nt-flash 2.4s var(--ease-out) forwards;
}

@keyframes nt-flash {
  0%,
  45% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}

.nt__empty {
  max-width: 580px;
  padding: 18px 0 40px;
}

.nt__empty h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nt__empty p {
  margin-top: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-2);
}

.nt__emptyacts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.nt__none {
  padding: 30px 0;
  font-size: 14.5px;
  color: var(--fg-3);
}

.nt__none[hidden] {
  display: none;
}

/* 편집기 */
.ne {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 14px 16px 16px;
  background: var(--bg-hi);
  border: 1px solid var(--line-2);
}

.nt__card .ne {
  padding: 0;
  background: none;
  border: 0;
}

.ne__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.ne__grid--2 {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: end;
  justify-items: start;
}

.ne .seg button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 30px;
  padding: 0 11px;
  font-size: 12.5px;
}

/* 붙여 넣은 자료를 정리한 후보 */
.nimp__list {
  display: grid;
  border-top: 1px solid var(--line);
}

.nimp__item {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.nimp__item .tick {
  margin-top: 11px;
}

.nimp__main {
  display: grid;
  gap: 8px;
  min-width: 0;
  transition: opacity var(--t-med);
}

.nimp__item.is-off .nimp__main {
  opacity: 0.4;
}

.nimp__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.nimp__meta .selwrap {
  display: inline-block;
}

.nimp__meta select {
  width: auto !important;
}

.nimp__crit {
  margin-left: 4px;
  font-size: 12.5px;
  font-weight: 650;
  color: var(--fg-3);
}

.nimp__quote {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--fg-3);
}

.nimp__quote b {
  padding-top: 1px;
  font-size: 11.5px;
  font-weight: 800;
  color: var(--fg-2);
}

/* ── 목록 ── */
.nl__list {
  display: grid;
}

.nl__row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) 92px minmax(260px, 1.5fr) minmax(0, 1fr);
  align-items: center;
  gap: 12px 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.nl__row::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: var(--fg);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-med) var(--ease-out);
}

.nl__row:hover::before,
.nl__row:focus-visible::before {
  transform: scaleY(1);
}

.nl__name {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.nl__name b {
  overflow: hidden;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nl__row--common .nl__name b {
  font-size: 24px;
}

.nl__name > span {
  overflow: hidden;
  font-size: 13px;
  color: var(--fg-3);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nl__total {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.nl__total .num {
  font-size: 36px;
  font-weight: 350;
  font-stretch: 66%;
  line-height: 1;
}

.nl__total small {
  font-size: 12px;
  font-weight: 700;
  color: var(--fg-3);
}

.nl__kinds {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px 16px;
  margin: 0;
}

.nl__kinds div {
  display: grid;
  gap: 2px;
}

.nl__kinds dt {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--fg-3);
  white-space: nowrap;
}

.nl__kinds dd {
  margin: 0;
  font-size: 19px;
  font-weight: 500;
}

.nl__kinds .zero dd {
  color: var(--fg-4);
}

.nl__foot {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--fg-3);
  text-align: right;
}

.nl__brands {
  padding-top: 40px;
}

.nl__bhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.nl__bhead h2 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nl__bhead h2 .num {
  font-size: 15px;
  font-weight: 500;
  color: var(--fg-3);
}

.nl__addbtn[hidden] {
  display: none;
}

.nl__add {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 14px;
  max-width: 720px;
  margin: 16px 0 4px;
  padding: 18px;
  background: var(--bg-hi);
  border: 1px solid var(--line-2);
}

.nl__add[hidden] {
  display: none;
}

.nl__kw,
.nl__add .form__actions,
.nl__add .form__msg {
  grid-column: 1 / -1;
}

.nl__empty {
  max-width: 62ch;
  padding: 26px 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fg-3);
}

@media (max-width: 1000px) {
  .nt__layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }
  .nt__index {
    position: static;
  }
  .nt__toc {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .nt__toc button {
    width: auto;
    padding: 5px 12px 6px;
    border: 1px solid var(--line-2);
    border-radius: 15px;
    font-size: 13px;
  }
  .nt__recent {
    display: none;
  }
  .nl__row {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .nl__kinds,
  .nl__foot {
    grid-column: 1 / -1;
  }
  .nl__foot {
    text-align: left;
  }
}

@media (max-width: 760px) {
  .notes-page,
  .note-page {
    padding: 0 16px 96px;
  }
  .nt__head {
    grid-template-columns: minmax(0, 1fr);
  }
  .nt__stats {
    grid-auto-flow: row;
    grid-template-columns: repeat(2, auto);
    justify-content: start;
  }
  .ne__grid,
  .ne__grid--2,
  .nt__bgrid,
  .nl__add {
    grid-template-columns: minmax(0, 1fr);
  }
  .nt__item,
  .nt__item.is-gone {
    grid-template-columns: 36px minmax(0, 1fr);
  }
  .nt__item.is-editing {
    grid-template-columns: minmax(0, 1fr);
  }
  .nt__item.is-editing .nt__no {
    display: none;
  }
  .nt__acts {
    grid-column: 2;
  }
  .nt__filter {
    max-width: 100%;
    overflow-x: auto;
  }
  .nl__kinds {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}