/* ===========================
   Board Page Styles
   =========================== */

/* ── Board Section ── */
.board {
  padding: clamp(80px, 10vw, 120px) var(--container-padding);
  background-color: #F5F5F9;
}

.board__inner {
  max-width: 1400px;
  margin: 0 auto;
}

.board__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.board__title-group {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}

.board__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 2.5vw, 2.4rem);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.board__count {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-gray);
  font-weight: 300;
}

/* ── Admin-only elements (hidden by default) ── */
.board__admin-only {
  display: none !important;
}

.board--authed .board__admin-only {
  display: inline-block !important;
}

.board--authed .board__detail-actions-right.board__admin-only {
  display: flex !important;
}

/* ── Auth Bar ── */
.board__auth {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.board__auth-btn {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-gray);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
  padding: 0;
}

.board__auth-btn:hover {
  color: var(--color-text);
}

/* ── Login Modal ── */
.board__login-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.board__login-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.board__login-box {
  position: relative;
  background-color: var(--color-white);
  border-radius: 12px;
  padding: 2.5rem;
  max-width: 400px;
  width: calc(100% - 40px);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.board__login-overlay.active .board__login-box {
  transform: translateY(0);
}

.board__login-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.board__login-group {
  margin-bottom: 1rem;
}

.board__login-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.4rem;
}

.board__login-input {
  width: 100%;
  padding: 0.8rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-light-gray);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.3s ease;
}

.board__login-input:focus {
  border-color: var(--color-accent);
}

.board__login-error {
  font-size: 0.75rem;
  color: #c0392b;
  min-height: 1.2rem;
  margin-bottom: 0.5rem;
}

.board__login-actions {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}

.board__login-actions .board__btn {
  flex: 1;
  text-align: center;
}

/* ── Write Button ── */
.board__write-btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background-color: #000286;
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  border-radius: 100px;
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
  font-family: inherit;
}

.board__write-btn:hover {
  background-color: #0001a0;
  opacity: 1;
}

/* ── View Containers ── */
.board__view {
  display: none;
}

.board__view--active {
  display: block;
}

/* ── Two-column Grid ── */
.board__boards-grid {
  display: grid;
  grid-template-columns: minmax(0, 44%) minmax(0, 44%);
  justify-content: space-between;
}

.board__board-col {
  min-width: 0;
  overflow: hidden;
}

.board__board-col .board__list-header {
  grid-template-columns: 50px 1fr 100px;
}

.board__board-col .board__list-item {
  grid-template-columns: 50px 1fr 100px;
}

.board__col-header {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.board__col-title {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.3rem);
  font-weight: 400;
  letter-spacing: -0.01em;
}

/* ── Mobile Tabs (hidden on desktop) ── */
.board__tabs {
  display: none;
}

/* ── Category Select ── */
.board__form-select {
  width: 100%;
  padding: 1rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.3s ease;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23666' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1.2rem center;
}

.board__form-select:focus {
  border-color: var(--color-accent);
}

/* ── List View ── */
.board__list {
  border-top: 2px solid var(--color-text);
}

.board__list-header {
  display: grid;
  grid-template-columns: 80px 1fr 140px;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-light-gray);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-gray);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.board__list-item {
  display: grid;
  grid-template-columns: 80px 1fr 140px;
  align-items: center;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--color-light-gray);
  transition: all 0.3s ease;
  cursor: pointer;
}

.board__list-item:hover {
  padding-left: 1rem;
  opacity: 1;
  background-color: rgba(0, 0, 0, 0.01);
}

.board__list-num {
  font-size: 0.8rem;
  color: var(--color-gray);
  font-weight: 300;
}

.board__list-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding-right: 1rem;
}

.board__list-date {
  font-size: 0.8rem;
  color: var(--color-gray);
  font-weight: 300;
  text-align: right;
}

.board__empty {
  text-align: center;
  padding: 4rem 0;
  color: var(--color-gray);
  font-size: 0.9rem;
}

/* ── Pagination ── */
.board__pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 3rem;
}

.board__page-btn {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-gray);
  border: 1px solid var(--color-light-gray);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  background: none;
  font-family: inherit;
  padding: 0 0.5rem;
}

.board__page-btn:hover {
  border-color: var(--color-text);
  color: var(--color-text);
}

.board__page-btn--active {
  background-color: #000286;
  border-color: #000286;
  color: var(--color-white);
}

.board__page-btn--active:hover {
  background-color: #0001a0;
  border-color: #0001a0;
  color: var(--color-white);
}

.board__page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ── Form View ── */
.board__form {
  max-width: 900px;
  margin: 0 auto;
}

.board__form-group {
  margin-bottom: 1.5rem;
}

.board__form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.board__form-input {
  width: 100%;
  padding: 1rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.3s ease;
}

.board__form-input:focus {
  border-color: var(--color-accent);
}

.board__form-textarea {
  width: 100%;
  min-height: 300px;
  padding: 1rem 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-white);
  border: 1px solid var(--color-light-gray);
  border-radius: 8px;
  outline: none;
  resize: vertical;
  transition: border-color 0.3s ease;
}

.board__form-textarea:focus {
  border-color: var(--color-accent);
}

.board__form-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.board__btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.03em;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  font-family: inherit;
}

.board__btn--primary {
  background-color: #000286;
  color: var(--color-white);
}

.board__btn--primary:hover {
  background-color: #0001a0;
  opacity: 1;
}

.board__btn--secondary {
  background-color: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-light-gray);
}

.board__btn--secondary:hover {
  border-color: var(--color-text);
  opacity: 1;
}

.board__btn--danger {
  background-color: transparent;
  color: #c0392b;
  border: 1px solid #e8c0bc;
}

.board__btn--danger:hover {
  background-color: #c0392b;
  color: var(--color-white);
  border-color: #c0392b;
  opacity: 1;
}

/* ── Detail View ── */
.board__detail {
  max-width: 900px;
  margin: 0 auto;
}

.board__detail-header {
  border-bottom: 2px solid var(--color-text);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.board__detail-title {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 0.8rem;
  color: var(--color-text);
}

.board__detail-meta {
  font-size: 0.8rem;
  color: var(--color-gray);
  font-weight: 300;
}

.board__detail-content {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text);
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 200px;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--color-light-gray);
}

.board__detail-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.board__detail-actions-right {
  display: flex;
  gap: 0.8rem;
}

/* ── Loading State ── */
.board__loading {
  text-align: center;
  padding: 4rem 0;
  color: var(--color-gray);
  font-size: 0.85rem;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .board__boards-grid {
    display: block;
  }

  .board__board-col {
    display: none;
  }

  .board__board-col--active {
    display: block;
  }

  .board__col-header {
    display: none;
  }

  .board__board-col .board__list {
    border-top: none;
  }

  /* Show tabs on mobile */
  .board__tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--color-light-gray);
  }

  .board__tab {
    flex: 1;
    padding: 1rem 0;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-gray);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 0.03em;
  }

  .board__tab:hover {
    color: var(--color-text);
  }

  .board__tab--active {
    color: var(--color-text);
    border-bottom-color: #000286;
  }

  .board__list-header {
    grid-template-columns: 50px 1fr 100px;
    font-size: 0.7rem;
  }

  .board__list-item {
    grid-template-columns: 50px 1fr 100px;
    padding: 1.2rem 0;
  }

  .board__list-title {
    font-size: 0.85rem;
  }

  .board__list-date {
    font-size: 0.7rem;
  }

  .board__header {
    flex-direction: column;
    align-items: flex-start;
  }

  .board__form-textarea {
    min-height: 200px;
  }

  .board__form-actions {
    flex-direction: column;
  }

  .board__btn {
    width: 100%;
    text-align: center;
  }

  .board__detail-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .board__detail-actions-right {
    justify-content: flex-end;
  }
}

@media (max-width: 480px) {
  .board__title {
    font-size: 1.6rem;
  }

  .board__list-header,
  .board__board-col .board__list-header {
    display: none;
  }

  .board__list-item,
  .board__board-col .board__list-item {
    grid-template-columns: 1fr;
    gap: 0.3rem;
    padding: 1rem 0;
  }

  .board__list-num {
    display: none;
  }

  .board__list-date {
    text-align: left;
    font-size: 0.7rem;
  }
}