/* assets/css/main/calendar-study-main.css */
@import url('../components/calendar-holidays.css');

/* =========================
  Study Calendar Preview
========================= */

.study-calendar-preview {
  margin-bottom: var(--space-16);
}

.study-calendar-preview__link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.study-calendar-preview__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-12);
}

.study-calendar-preview__more {
  flex-shrink: 0;
  font-size: var(--text-small);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.study-calendar-mini {
  display: grid;
  gap: var(--space-8);
}

.study-calendar-mini__month {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
  margin-bottom: var(--space-8);
}

.study-calendar-mini__month-title {
  font-size: var(--text-body);
  font-weight: 900;
  color: var(--color-text);
}

.study-calendar-mini__hint {
  font-size: var(--text-small);
  color: var(--color-text-sub);
}

.study-calendar-mini__empty {
  padding: var(--space-16);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-btn);
  color: var(--color-text-sub);
  font-size: var(--text-small);
  text-align: center;
}

.study-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-6);
}

.study-calendar-weekday {
  padding: var(--space-8) var(--space-4);
  border-radius: var(--radius-btn);
  background: var(--color-primary);
  color: var(--color-surface);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.study-calendar-day {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: var(--space-6);
  min-height: 64px;
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  overflow: hidden;
}

.study-calendar-day--button {
  width: 100%;
  cursor: pointer;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    transform 0.18s ease;
}

.study-calendar-day--button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-sub);
  transform: translateY(-1px);
}

.study-calendar-day--muted {
  color: var(--color-text-sub);
  background: #f7f7f7;
}

.study-calendar-day--today {
  border-color: var(--color-primary);
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.study-calendar-day--selected {
  background: var(--color-primary-sub);
  border-color: var(--color-primary);
}

.study-calendar-day__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  border-radius: var(--radius-pill);
  font-size: var(--text-small);
  font-weight: 900;
}

.study-calendar-day--today .study-calendar-day__number {
  background: var(--color-primary);
  color: var(--color-surface);
}

.study-calendar-day__badges {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  width: 100%;
  min-width: 0;
  margin-top: var(--space-4);
}

.study-calendar-day__badge {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 20px;
  padding: 0 var(--space-6);
  border-radius: 5px;
  font-size: 11px;
  font-weight: 900;
  line-height: 20px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.study-calendar-day__badge.is-done {
  opacity: 0.62;
  text-decoration: line-through;
}

.study-calendar-day__badge--study {
  background: var(--study-category-study-bg);
  color: var(--study-category-study-text);
}

.study-calendar-day__badge--workout {
  background: var(--study-category-workout-bg);
  color: var(--study-category-workout-text);
}

.study-calendar-day__badge--etc {
  background: var(--study-category-etc-bg);
  color: var(--study-category-etc-text);
}

/* =========================
  Study Calendar Page
========================= */

.study-calendar-page__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
}

.study-calendar-page__title {
  margin: 0 0 var(--space-8);
  font-size: var(--text-h1);
  color: var(--color-text);
}

.study-calendar-page__desc {
  margin: 0;
  color: var(--color-text-sub);
  font-size: var(--text-small);
  line-height: var(--line-body);
}

.study-calendar-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(300px, 0.6fr);
  gap: var(--space-16);
  align-items: start;
}

.study-calendar-main-panel,
.study-calendar-todo-panel {
  min-width: 0;
  padding: var(--space-6);
}

.study-calendar-toolbar {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.study-calendar-nav-btn {
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 28px;
  font-weight: 900;
  cursor: pointer;
}

.study-calendar-nav-btn:hover {
  background: var(--color-primary-sub);
  border-color: var(--color-primary);
}

.study-calendar-month {
  margin: 0;
  font-size: var(--text-h2);
  color: var(--color-text);
  text-align: center;
}

.study-calendar-grid--page .study-calendar-day {
  min-height: 92px;
}

.study-calendar-selected {
  margin-bottom: var(--space-16);
}

.study-calendar-selected__label {
  margin: 0 0 var(--space-4);
  color: var(--color-text-sub);
  font-size: var(--text-small);
}

.study-calendar-selected__date {
  margin: 0;
  font-size: var(--text-h2);
  color: var(--color-text);
}

.study-todo-form {
  display: grid;
  grid-template-columns: 96px auto 1fr auto;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.study-todo-form__select,
.study-todo-form__input,
.study-todo-form__memo {
  min-height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-small);
}

.study-todo-form__select {
  padding: 0 var(--space-8);
}

.study-todo-form__input {
  min-width: 0;
  padding: 0 var(--space-12);
}

.study-todo-form__memo {
  grid-column: 1 / -1;
  width: 100%;
  min-height: 40px;
  max-height: none;
  padding: var(--space-8) var(--space-12);
  line-height: var(--line-body);
  overflow: hidden;
  resize: none;
}

.study-todo-form__select:focus,
.study-todo-form__input:focus,
.study-todo-form__memo:focus {
  outline: 2px solid var(--color-primary-sub);
  border-color: var(--color-primary);
}

.study-todo-form__setting {
  min-height: 42px;
  padding: 0 var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-small);
  font-weight: 900;
  cursor: pointer;
}

.study-todo-form__setting:hover {
  background: var(--color-primary-sub);
  border-color: var(--color-primary);
}

.study-todo-form__button {
  min-height: 42px;
  padding: 0 var(--space-16);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-btn);
  background: var(--color-primary);
  color: var(--color-surface);
  font-size: var(--text-small);
  font-weight: 900;
  cursor: pointer;
}

.study-todo-form__button:hover {
  opacity: 0.82;
}

.study-todo-list {
  display: grid;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.study-todo-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
}

.study-todo-item.is-done {
  background: #f7f7f7;
}

.study-todo-item__check {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
}

.study-todo-item__body {
  min-width: 0;
}

.study-todo-item__text {
  display: block;
  color: var(--color-text);
  font-size: var(--text-small);
  line-height: var(--line-body);
  word-break: break-word;
}

.study-todo-item.is-done .study-todo-item__text {
  color: var(--color-text-sub);
  text-decoration: line-through;
}

.study-todo-item__memo {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-8);
}

.study-todo-item__memo-label {
  color: var(--color-text-sub);
  font-size: 12px;
  font-weight: 800;
}

.study-todo-item__memo-input {
  width: 100%;
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 13px;
  line-height: var(--line-body);
}

.study-todo-item__memo-input:focus {
  outline: 2px solid var(--color-primary-sub);
  border-color: var(--color-primary);
}

.study-todo-item__memo-status {
  min-height: 16px;
  color: var(--color-text-sub);
  font-size: 11px;
  line-height: var(--line-body);
}

.study-todo-item__edit-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.study-todo-item__save {
  min-width: 48px;
  min-height: 34px;
  padding: 0 var(--space-12);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-btn);
  background: var(--color-primary);
  color: var(--color-surface);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.study-todo-item__save:disabled {
  border-color: var(--color-border);
  background: #f7f7f7;
  color: var(--color-text-sub);
  cursor: default;
  opacity: 0.82;
}

.study-todo-item__save:not(:disabled):hover {
  opacity: 0.82;
}

.study-todo-item.is-done .study-todo-item__memo-input {
  background: #f7f7f7;
  color: var(--color-text-sub);
}

.study-todo-item__type {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-pill);
  background: var(--color-primary-sub);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 800;
}

.study-todo-item__delete {
  min-width: 40px;
  min-height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text-sub);
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.study-todo-item__delete:hover {
  color: var(--color-text);
  background: var(--color-primary-sub);
}

.study-todo-empty {
  margin: var(--space-16) 0 0;
  padding: var(--space-16);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-btn);
  color: var(--color-text-sub);
  font-size: var(--text-small);
  text-align: center;
}

/* =========================
   Responsive
========================= */

@media (max-width: 900px) {
  .study-calendar-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .study-calendar-preview__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .study-calendar-preview__more {
    font-size: 13px;
  }

  .study-calendar-mini__month {
    flex-direction: column;
    align-items: flex-start;
  }

  .study-calendar-grid {
    gap: var(--space-4);
  }

  .study-calendar-weekday {
    padding: var(--space-6) var(--space-4);
    font-size: 11px;
  }

  .study-calendar-day {
    min-height: 54px;
    padding: var(--space-6);
    gap: var(--space-4);
  }

  .study-calendar-grid--page .study-calendar-day {
    min-height: 74px;
  }

  .study-calendar-day__number {
    min-width: 20px;
    height: 20px;
    font-size: 12px;
  }

  .study-calendar-day__badges {
    gap: 2px;
    margin-top: 2px;
  }

  .study-calendar-day__badge {
    min-height: 17px;
    padding: 0 var(--space-4);
    font-size: 10px;
    line-height: 17px;
  }

  .study-calendar-page__head {
    flex-direction: column;
    align-items: flex-start;
  }

  .study-calendar-page__title {
    font-size: var(--text-h2);
  }

  .study-calendar-page__back {
    width: 100%;
  }

  .study-calendar-toolbar {
    grid-template-columns: 40px 1fr 40px;
  }

  .study-calendar-nav-btn {
    width: 40px;
    height: 40px;
    font-size: 24px;
  }

  .study-calendar-month {
    font-size: var(--text-body);
  }

  .study-todo-form {
    grid-template-columns: 1fr;
  }

  .study-todo-form__select,
  .study-todo-form__input,
  .study-todo-form__memo,
  .study-todo-form__button {
    width: 100%;
  }

  .study-todo-form__memo {
    min-height: 52px;
    max-height: 140px;
  }

  .study-todo-item {
    align-items: flex-start;
  }

  .study-todo-item__memo-input {
    min-height: 20px;
  }
}

/* =========================
   Study Calendar Page Width Fix
   - 캘린더 페이지 전용 가로폭 확장
========================= */

.study-calendar-page .container {
  max-width: 1280px;
}

.study-calendar-main-panel,
.study-calendar-todo-panel {
  padding: var(--space-4);
}

/* =========================
   Study Todo Edit Layout Fix
   - 체크박스/삭제 버튼을 위쪽에 분리
   - 제목/메모 입력창을 카드 좌우 끝까지 확장
========================= */

.study-todo-item {
  position: relative;
  display: block;
  padding: var(--space-12);
}

.study-todo-item__check {
  position: absolute;
  top: var(--space-12);
  left: var(--space-12);
  z-index: 2;
}

.study-todo-item__delete {
  position: absolute;
  top: var(--space-12);
  right: var(--space-12);
  z-index: 2;
}

.study-todo-item__body {
  width: 100%;
  min-width: 0;
}

.study-todo-item__type {
  max-width: calc(100% - 92px);
  margin-left: 32px;
}

.study-todo-item__text-input {
  display: block;
  width: calc(100% - 32px);
  min-height: 34px;
  margin: var(--space-8) 0 0 0;
  padding: 0 var(--space-8);
  border: 1px solid transparent;
  border-radius: var(--radius-btn);
  background: transparent;
  color: var(--color-text);
  font-size: var(--text-small);
  font-weight: 800;
  line-height: var(--line-body);
}

.study-todo-item__text-input:focus {
  outline: 2px solid var(--color-primary-sub);
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.study-todo-item.is-done .study-todo-item__text-input {
  color: var(--color-text-sub);
  text-decoration: line-through;
}

.study-todo-item__memo {
  width: 100%;
  margin-top: var(--space-8);
}

.study-todo-item__memo-label {
  display: block;
  margin-left: 5px;
}

.study-todo-item__memo-input {
  width: 100%;
  min-height: 20px;
  max-height: none;
  overflow: hidden;
  resize: none;
}

/* 모바일에서는 캘린더 외곽 카드 효과를 제거하고 화면 폭을 넓게 사용 */
@media (max-width: 640px) {
  .study-calendar-page .container {
    padding-right: var(--space-4);
    padding-left: var(--space-4);
  }

  .study-calendar-layout {
    width: calc(100% + var(--space-8));
    margin-right: calc(0px - var(--space-4));
    margin-left: calc(0px - var(--space-4));
    gap: var(--space-12);
  }

  .study-calendar-main-panel,
  .study-calendar-todo-panel {
    padding: var(--space-4);
    border-right: 0;
    border-left: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .study-calendar-todo-panel {
    border-top: 0;
  }

  .study-calendar-toolbar {
    margin-bottom: var(--space-8);
  }

  .study-calendar-grid {
    gap: 3px;
  }

  .study-calendar-grid--page .study-calendar-day {
    min-height: 78px;
    padding: var(--space-4);
  }

  .study-calendar-weekday {
    padding: var(--space-6) 2px;
  }

  .study-todo-item {
    display: block;
    padding: var(--space-12);
    border: 0;
    border-top: 1px solid var(--color-border);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
  }

  .study-todo-item.is-done {
    background: transparent;
  }

  .study-todo-item__check {
    top: var(--space-12);
    left: var(--space-12);
  }

  .study-todo-item__delete {
    top: var(--space-12);
    right: var(--space-12);
  }

  .study-todo-item__type {
    max-width: calc(100% - 92px);
    margin-left: 32px;
  }

  .study-todo-item__text-input {
    width: calc(100% - 32px);
  }

  .study-todo-item__memo {
    width: 100%;
    margin-top: var(--space-8);
  }

  .study-todo-item__memo-input {
    width: 100%;
    min-height: 20px;
  }
}

/* =========================
   Study Calendar Mobile UX Patch
   - 모바일 일정 제목 말줄임표 제거
   - 모바일 할 일 추가 폼 접힘
   - 할 일 메모 기본 접힘
========================= */

.study-todo-form-toggle {
  display: none;
}

.study-todo-form__close {
  display: none;
}

.study-todo-item__memo-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  margin-top: var(--space-8);
  padding: 0 var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.study-todo-item__memo-toggle:hover {
  background: var(--color-primary-sub);
  border-color: var(--color-primary);
}

.study-todo-item__memo[hidden] {
  display: none;
}

@media (max-width: 640px) {
  .study-calendar-grid--page .study-calendar-day__badge {
    text-overflow: clip;
  }

  .study-todo-form-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 42px;
    margin: var(--space-12) 0 var(--space-12);
    padding: 0 var(--space-16);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-btn);
    background: var(--color-primary);
    color: var(--color-surface);
    font-size: var(--text-small);
    font-weight: 900;
    cursor: pointer;
  }

  .study-todo-form-toggle:hover {
    opacity: 0.82;
  }

  .study-todo-form {
    display: none;
  }

  .study-todo-form.is-open {
    display: grid;
  }

  .study-todo-form__close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 42px;
    grid-column: 1 / -1;
    padding: 0 var(--space-16);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    background: var(--color-surface);
    color: var(--color-text-sub);
    font-size: var(--text-small);
    font-weight: 900;
    cursor: pointer;
  }

  .study-todo-form__close:hover {
    color: var(--color-text);
    background: var(--color-primary-sub);
  }

  .study-todo-list {
    gap: 0;
  }

  .study-todo-item__memo-toggle {
    width: 100%;
  }

  .study-todo-item__memo-input {
    min-height: 20px;
  }
}

/* =========================
   Study Todo Memo Auto Height
   - 메모 내용 길이에 맞춰 textarea와 카드 높이 자동 확장
========================= */

.study-todo-item__memo-input {
  min-height: 20px;
  max-height: none;
  overflow: hidden;
  resize: none;
}

@media (max-width: 640px) {
  .study-todo-item__memo-input {
    min-height: 20px;
    max-height: none;
  }
}

/* =========================
  Study Calendar Mobile Input Zoom Fix
  - iOS Safari 입력창 터치 자동 확대 방지
  - calendar-study.html 전용
========================= */

@media (max-width: 767px) {
  #studyCalendarPage input,
  #studyCalendarPage textarea,
  #studyCalendarPage select {
    font-size: 16px;
    line-height: 1.45;
  }

  #studyCalendarPage .study-todo-form__select,
  #studyCalendarPage .study-todo-form__input {
    min-height: 44px;
    padding-right: var(--space-12);
    padding-left: var(--space-12);
  }

  #studyCalendarPage .study-todo-form__memo {
    min-height: 40px;
    padding: var(--space-8) var(--space-12);
  }

  #studyCalendarPage .study-todo-item__text-input {
    min-height: 38px;
    padding-right: var(--space-8);
    padding-left: var(--space-8);
  }

  #studyCalendarPage .study-todo-item__memo-input {
    font-size: 16px;
    line-height: 1.45;
    padding: var(--space-12);
  }

  #studyCalendarPage button,
  #studyCalendarPage .study-todo-form-toggle,
  #studyCalendarPage .study-todo-form__button,
  #studyCalendarPage .study-todo-form__close,
  #studyCalendarPage .study-todo-item__memo-toggle {
    touch-action: manipulation;
  }
}

/* =========================
   Study Calendar Category Manager Modal
========================= */

body.study-category-modal-open {
  overflow: hidden;
}

.study-category-manager {
  margin: 0;
  padding: 0;
}

.study-category-manager__modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  padding: var(--space-16);
  background: rgba(0, 0, 0, 0.42);
}

.study-category-manager__modal[hidden] {
  display: none;
}

.study-category-manager__dialog {
  width: min(520px, 100%);
  max-height: min(720px, calc(100vh - var(--space-32)));
  overflow-y: auto;
  display: grid;
  gap: var(--space-12);
  padding: var(--space-16);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}

.study-category-manager__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-12);
}

.study-category-manager__title {
  margin: 0 0 var(--space-4);
  font-size: var(--text-body);
  color: var(--color-text);
}

.study-category-manager__desc,
.study-category-manager__notice {
  margin: 0;
  color: var(--color-text-sub);
  font-size: 12px;
  line-height: var(--line-body);
}

.study-category-manager__close {
  flex-shrink: 0;
  min-height: 34px;
  padding: 0 var(--space-12);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text-sub);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.study-category-manager__close:hover {
  background: var(--color-primary-sub);
  color: var(--color-text);
}

.study-category-form {
  display: grid;
  grid-template-columns: 1fr 46px auto;
  gap: var(--space-8);
  align-items: center;
}

.study-category-form__input,
.study-category-form__color {
  min-height: 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: var(--text-small);
}

.study-category-form__input {
  min-width: 0;
  padding: 0 var(--space-12);
}

.study-category-form__color {
  width: 46px;
  padding: var(--space-4);
  cursor: pointer;
}

.study-category-form__button {
  min-height: 42px;
  padding: 0 var(--space-12);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-btn);
  background: var(--color-primary);
  color: var(--color-surface);
  font-size: var(--text-small);
  font-weight: 900;
  cursor: pointer;
}

.study-category-palette {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
}

.study-category-palette__button {
  width: 30px;
  height: 30px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--category-color, #eaffd7);
  cursor: pointer;
}

.study-category-palette__button.is-selected {
  border-color: var(--color-text);
  box-shadow: 0 0 0 2px var(--color-primary-sub);
}

.study-category-list {
  display: grid;
  gap: var(--space-8);
  margin: 0;
  padding: 0;
  list-style: none;
}

.study-category-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 46px auto auto;
  gap: var(--space-6);
  align-items: center;
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: #f7f7f7;
}

.study-category-item__dot {
  width: 14px;
  height: 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--category-color, #eaffd7);
}

.study-category-item__name {
  min-width: 0;
  height: 36px;
  padding: 0 var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
}

.study-category-item__color {
  width: 46px;
  height: 36px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  cursor: pointer;
}

.study-category-item__button {
  min-height: 36px;
  padding: 0 var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-btn);
  background: var(--color-surface);
  color: var(--color-text-sub);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.study-category-item__button:hover {
  background: var(--color-primary-sub);
  color: var(--color-text);
}

.study-category-item__button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.study-calendar-day__badge {
  background: var(--todo-category-color, var(--color-primary-sub));
  color: var(--todo-category-text, var(--color-text));
}

.study-todo-item__type {
  background: var(--todo-category-color, var(--color-primary-sub));
  color: var(--todo-category-text, var(--color-text));
}

@media (max-width: 640px) {
  .study-todo-form {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .study-todo-form__select {
    order: 1;
    width: 100%;
  }

  .study-todo-form__setting {
    order: 2;
    width: auto;
    min-width: 64px;
  }

  .study-todo-form__input {
    order: 3;
    grid-column: 1 / -1;
  }

  .study-todo-form__memo {
    order: 4;
    grid-column: 1 / -1;
  }

  .study-todo-form__button {
    order: 5;
    grid-column: 1 / -1;
  }

  .study-todo-form__close {
    order: 6;
    grid-column: 1 / -1;
  }

  .study-category-manager__modal {
    align-items: start;
    padding: calc(env(safe-area-inset-top, 0px) + var(--space-24))
      var(--space-12) calc(env(safe-area-inset-bottom, 0px) + var(--space-16));
  }

  .study-category-manager__dialog {
    width: 100%;
    max-height: calc(
      100vh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) -
        var(--space-32) - var(--space-8)
    );
    max-height: calc(
      100dvh - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px) -
        var(--space-32) - var(--space-8)
    );
    padding: var(--space-12);
  }

  .study-category-form {
    grid-template-columns: 1fr 46px;
  }

  .study-category-form__button {
    grid-column: 1 / -1;
    width: 100%;
  }

  .study-category-item {
    grid-template-columns: auto minmax(0, 1fr) 42px;
  }

  .study-category-item__button {
    grid-column: 2 / -1;
    width: 100%;
  }

  .study-category-item__button + .study-category-item__button {
    margin-top: -2px;
  }

}

/* =========================
   Study Calendar Table Layout Patch
   - 날짜 칸 gap 제거
   - 날짜 칸 border 제거
   - 전체 캘린더 칸 높이 확대
   - 모바일 가로 밀림 방지
========================= */

.study-calendar-grid {
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0;
  width: 100%;
  min-width: 0;
}

.study-calendar-weekday {
  min-width: 0;
  border-radius: 0;
}

.study-calendar-day {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  min-height: 58px;
  padding: var(--space-6);
  border: 0;
  border-radius: 0;
  gap: var(--space-4);
  box-shadow: none;
}

.study-calendar-day--button {
  transition:
    background-color 0.18s ease,
    box-shadow 0.18s ease;
}

.study-calendar-day--button:hover {
  border-color: transparent;
  background: var(--color-primary-sub);
  transform: none;
}

.study-calendar-day--today {
  border-color: transparent;
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.study-calendar-day--selected {
  border-color: transparent;
  background: var(--color-primary-sub);
  box-shadow: inset 0 0 0 2px var(--color-primary);
}

.study-calendar-grid--page .study-calendar-day {
  min-height: 116px;
  padding: var(--space-8);
}

.study-calendar-day__number,
.study-calendar-day__badges,
.study-calendar-day__badge {
  min-width: 0;
}

.study-calendar-day__badges {
  width: 100%;
  margin-top: 2px;
  gap: 3px;
}

.study-calendar-day__badge {
  width: 100%;
  max-width: 100%;
  min-height: 20px;
  padding: 0 var(--space-6);
  font-size: 11px;
  line-height: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.study-calendar-main-panel {
  min-width: 0;
  overflow: hidden;
}

@media (max-width: 640px) {
  .study-calendar-grid {
    gap: 0;
  }

  .study-calendar-weekday {
    padding: var(--space-6) 2px;
    font-size: 11px;
  }

  .study-calendar-day {
    min-height: 50px;
    padding: 4px;
  }

  .study-calendar-grid--page .study-calendar-day {
    min-height: 84px;
    padding: 4px;
  }

  .study-calendar-day__number {
    min-width: 20px;
    height: 20px;
    font-size: 12px;
  }

  .study-calendar-day__badges {
    gap: 2px;
    margin-top: 2px;
  }

  .study-calendar-day__badge,
  .study-calendar-grid--page .study-calendar-day__badge {
    min-height: 18px;
    padding: 0 4px;
    font-size: 10px;
    line-height: 18px;
    text-overflow: ellipsis;
  }
}

/* =========================
   Study Calendar Badge Text Patch
   - 일정 제목 말줄임(...) 제거
   - 칸 안에서 가능한 만큼 자연스럽게 표시
========================= */

.study-calendar-day__badge {
  white-space: normal;
  overflow: hidden;
  text-overflow: clip;
  word-break: keep-all;
  overflow-wrap: anywhere;
  height: auto;
  min-height: 18px;
  line-height: 1.25;
  padding-top: 3px;
  padding-bottom: 3px;
}

.study-calendar-grid--page .study-calendar-day__badge {
  min-height: 20px;
  line-height: 1.25;
}

@media (max-width: 640px) {
  .study-calendar-day__badge,
  .study-calendar-grid--page .study-calendar-day__badge {
    white-space: normal;
    overflow: hidden;
    text-overflow: clip;
    word-break: keep-all;
    overflow-wrap: anywhere;
    height: auto;
    min-height: 18px;
    line-height: 1.2;
    padding-top: 2px;
    padding-bottom: 2px;
  }
}

/* 일정 카드 카테고리 수정 select */
.study-todo-item__category-select {
  display: inline-flex;
  max-width: calc(100% - 92px);
  min-height: 28px;
  margin-left: 32px;
  padding: 0 28px 0 var(--space-8);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background-color: var(--todo-category-color, var(--color-primary-sub));
  color: var(--todo-category-text, var(--color-text));
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.study-todo-item__category-select:focus {
  outline: 2px solid var(--color-primary-sub);
  border-color: var(--color-primary);
}

@media (max-width: 640px) {
  .study-todo-item__category-select {
    max-width: calc(100% - 92px);
  }
}

/* =========================
  Calendar Today Border Override
  - 선택하지 않은 오늘 날짜의 칸 전체 테두리 제거
  - 오늘 날짜 숫자 표시는 기존 유지
  - 오늘 날짜를 직접 선택한 경우 selected 테두리는 유지
========================= */

.study-calendar-day--today:not(.study-calendar-day--selected) {
  border-color: transparent;
  box-shadow: none;
}