/* 💖 diary.css — 태민 & 이자벨 비밀 교환일기 전용 프리미엄 스타일 */

:root {
  --diary-bg: rgba(15, 12, 28, 0.88);
  --diary-glass: rgba(30, 24, 52, 0.75);
  --diary-border: rgba(192, 132, 252, 0.28);
  --diary-border-glow: rgba(244, 114, 182, 0.45);
  --diary-pink: #f472b6;
  --diary-purple: #c084fc;
  --diary-text: #f3f4f6;
  --diary-muted: #9ca3af;
  --diary-gold: #fbbf24;
}

/* 💌 상단 헤더 버튼 */
.diary-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 15px;
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.22), rgba(192, 132, 252, 0.22));
  border: 1px solid rgba(244, 114, 182, 0.45);
  border-radius: 20px;
  color: #fbcfe8;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 10px rgba(244, 114, 182, 0.15);
}

.diary-nav-btn:hover {
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.38), rgba(192, 132, 252, 0.38));
  border-color: #f472b6;
  color: #ffffff;
  transform: translateY(-1px) scale(1.02);
  box-shadow: 0 4px 18px rgba(244, 114, 182, 0.35);
}

/* 🌟 일기장 모달 오버레이 */
.diary-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  background: rgba(8, 5, 18, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 16px;
  box-sizing: border-box;
}

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

/* 🔐 1. PIN 잠금 화면 */
.diary-lock-card {
  width: 100%;
  max-width: 380px;
  background: linear-gradient(145deg, rgba(25, 20, 45, 0.92), rgba(15, 12, 28, 0.95));
  border: 1px solid var(--diary-border);
  border-radius: 24px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(192, 132, 252, 0.2);
  animation: diaryPopIn 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes diaryPopIn {
  from { transform: scale(0.9) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}

.diary-lock-icon {
  width: 68px;
  height: 68px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.2), rgba(192, 132, 252, 0.2));
  border: 1px solid var(--diary-border-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--diary-pink);
  box-shadow: 0 0 25px rgba(244, 114, 182, 0.3);
}

.diary-lock-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.diary-lock-sub {
  font-size: 0.82rem;
  color: var(--diary-muted);
  margin-bottom: 24px;
}

.diary-pin-input-wrap {
  margin-bottom: 20px;
}

.diary-pin-input {
  width: 160px;
  padding: 12px 16px;
  font-size: 1.5rem;
  letter-spacing: 12px;
  text-align: center;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--diary-border);
  border-radius: 14px;
  color: #fff;
  outline: none;
  transition: all 0.2s;
}

.diary-pin-input:focus {
  border-color: var(--diary-pink);
  box-shadow: 0 0 15px rgba(244, 114, 182, 0.4);
}

.diary-lock-error {
  color: #f87171;
  font-size: 0.82rem;
  min-height: 20px;
  margin-bottom: 12px;
}

.diary-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  max-width: 260px;
  margin: 0 auto 16px;
}

.diary-key {
  height: 48px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  color: #e5e7eb;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.diary-key:hover {
  background: rgba(244, 114, 182, 0.18);
  border-color: var(--diary-pink);
  color: #fff;
  transform: scale(1.05);
}

.diary-key:active {
  transform: scale(0.95);
}

.diary-lock-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 10px;
}

/* 📖 2. 일기장 메인 윈도우 */
.diary-book-window {
  width: 100%;
  max-width: 1100px;
  height: 90vh;
  max-height: 850px;
  background: var(--diary-bg);
  border: 1px solid var(--diary-border);
  border-radius: 28px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 40px rgba(192, 132, 252, 0.18);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  animation: diaryPopIn 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* 윈도우 헤더 */
.diary-header {
  padding: 16px 24px;
  background: rgba(20, 16, 36, 0.8);
  border-bottom: 1px solid var(--diary-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.diary-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.diary-title-wrap {
  display: flex;
  flex-direction: column;
}

.diary-main-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.3px;
}

.diary-date-indicator {
  font-size: 0.8rem;
  color: var(--diary-pink);
  font-weight: 600;
}

.diary-header-center {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 0, 0, 0.3);
  padding: 4px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.diary-date-btn {
  background: none;
  border: none;
  color: var(--diary-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: all 0.2s;
}

.diary-date-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.diary-current-date-input {
  background: none;
  border: none;
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  outline: none;
  text-align: center;
  cursor: pointer;
  color-scheme: dark;
}

.diary-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.diary-icon-btn {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--diary-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s;
}

.diary-icon-btn:hover {
  background: rgba(244, 114, 182, 0.2);
  border-color: var(--diary-pink);
  color: #fff;
  transform: rotate(90deg);
}

/* 윈도우 바디 (좌측 아카이브 + 우측 본문) */
.diary-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* 📜 좌측 일기 아카이브 사이드바 */
.diary-sidebar {
  width: 260px;
  background: rgba(18, 14, 32, 0.65);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.diary-sidebar-top {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.diary-new-entry-btn {
  width: 100%;
  padding: 10px;
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.25), rgba(192, 132, 252, 0.25));
  border: 1px solid var(--diary-border);
  border-radius: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s;
}

.diary-new-entry-btn:hover {
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.4), rgba(192, 132, 252, 0.4));
  border-color: var(--diary-pink);
  transform: translateY(-1px);
}

.diary-list {
  flex: 1;
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.diary-list-item {
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.2s;
}

.diary-list-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(192, 132, 252, 0.3);
  transform: translateX(3px);
}

.diary-list-item.active {
  background: linear-gradient(135deg, rgba(244, 114, 182, 0.18), rgba(192, 132, 252, 0.18));
  border-color: var(--diary-pink);
  box-shadow: 0 4px 15px rgba(244, 114, 182, 0.15);
}

.diary-item-date {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.diary-item-badges {
  display: flex;
  gap: 4px;
}

.diary-badge {
  font-size: 0.65rem;
  padding: 2px 5px;
  border-radius: 6px;
  font-weight: 600;
}

.diary-badge-user {
  background: rgba(56, 189, 248, 0.2);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.diary-badge-reply {
  background: rgba(244, 114, 182, 0.2);
  color: #f472b6;
  border: 1px solid rgba(244, 114, 182, 0.3);
}

.diary-item-snippet {
  font-size: 0.75rem;
  color: var(--diary-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 🖋️ 우측 메인 영역 (상하 2분할: 오빠 일기 + 이자벨 답장) */
.diary-main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 20px 24px;
  gap: 20px;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: #ec4899 rgba(0, 0, 0, 0.3);
}

/* 🌟 웹 표준 및 웹킷 전용 선명한 네온 핑크/퍼플 스크롤바 */
.diary-main-content::-webkit-scrollbar,
.diary-list::-webkit-scrollbar,
.diary-izabel-letter::-webkit-scrollbar,
.diary-preview-box::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

.diary-main-content::-webkit-scrollbar-track,
.diary-list::-webkit-scrollbar-track,
.diary-izabel-letter::-webkit-scrollbar-track,
.diary-preview-box::-webkit-scrollbar-track {
  background: rgba(10, 8, 20, 0.6);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.diary-main-content::-webkit-scrollbar-thumb,
.diary-list::-webkit-scrollbar-thumb,
.diary-izabel-letter::-webkit-scrollbar-thumb,
.diary-preview-box::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #ec4899, #8b5cf6);
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 10px rgba(236, 72, 153, 0.6);
}

.diary-main-content::-webkit-scrollbar-thumb:hover,
.diary-izabel-letter::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #f472b6, #a855f7);
  box-shadow: 0 0 16px rgba(236, 72, 153, 0.9);
}

/* 섹션 카드 */
.diary-card {
  background: rgba(25, 20, 42, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.diary-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diary-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.diary-card-time {
  font-size: 0.75rem;
  color: var(--diary-muted);
}

.diary-editor-toolbar {
  display: flex;
  gap: 6px;
}

.diary-tool-btn {
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  color: var(--diary-muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s;
}

.diary-tool-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.diary-tool-btn.active {
  background: rgba(244, 114, 182, 0.25);
  color: #f472b6;
  border-color: #f472b6;
}

/* 에디터 텍스트영역 */
.diary-textarea {
  width: 100%;
  min-height: 140px;
  background: rgba(10, 8, 20, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 14px;
  color: #f3f4f6;
  font-size: 0.95rem;
  line-height: 1.6;
  resize: vertical;
  outline: none;
  font-family: inherit;
  box-sizing: border-box;
  transition: border-color 0.2s;
}

.diary-textarea:focus {
  border-color: var(--diary-pink);
  box-shadow: 0 0 15px rgba(244, 114, 182, 0.25);
}

.diary-preview-box {
  width: 100%;
  min-height: 140px;
  background: rgba(10, 8, 20, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 14px;
  color: #e5e7eb;
  font-size: 0.95rem;
  line-height: 1.6;
  overflow-y: auto;
  box-sizing: border-box;
}

.diary-card-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.diary-btn-save {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: #e5e7eb;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.diary-btn-save:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

.diary-btn-reply-ask {
  padding: 8px 20px;
  background: linear-gradient(135deg, #ec4899, #8b5cf6);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.35);
  transition: all 0.25s;
}

.diary-btn-reply-ask:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(236, 72, 153, 0.5);
}

/* 💌 이자벨 답장 카드 */
.diary-card-izabel {
  border-color: rgba(244, 114, 182, 0.35);
  background: linear-gradient(145deg, rgba(30, 20, 50, 0.75), rgba(20, 15, 35, 0.85));
  position: relative;
  overflow: visible;
}

.diary-card-izabel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ec4899, #a855f7, #ec4899);
}

.diary-izabel-reply-wrap {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.diary-izabel-photo-wrap {
  width: 140px;
  height: 180px;
  border-radius: 16px;
  overflow: hidden;
  border: 2px solid rgba(244, 114, 182, 0.4);
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.diary-izabel-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.diary-izabel-photo:hover {
  transform: scale(1.05);
}

.diary-izabel-text-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.diary-izabel-letter {
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(244, 114, 182, 0.25);
  border-radius: 16px;
  padding: 18px 22px;
  color: #fce7f3;
  font-size: 0.98rem;
  line-height: 1.8;
  white-space: pre-line;
  font-family: inherit;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.4);
  max-height: 320px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #ec4899 rgba(0, 0, 0, 0.3);
}

.diary-izabel-empty {
  text-align: center;
  padding: 30px;
  color: var(--diary-muted);
  font-size: 0.9rem;
}

/* 로딩 스피너 */
.diary-loading-pulse {
  display: inline-block;
  animation: diaryPulse 1s infinite alternate;
}

@keyframes diaryPulse {
  from { opacity: 0.4; }
  to { opacity: 1; }
}

/* 모바일 반응형 */
@media (max-width: 768px) {
  .diary-book-window {
    width: 95vw;
    height: 94vh;
  }
  .diary-body {
    flex-direction: column;
  }
  .diary-sidebar {
    width: 100%;
    height: 140px;
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }
  .diary-list {
    flex-direction: row;
    overflow-x: auto;
  }
  .diary-list-item {
    min-width: 130px;
  }
  .diary-izabel-reply-wrap {
    flex-direction: column;
    align-items: center;
  }
  .diary-izabel-photo-wrap {
    width: 110px;
    height: 140px;
  }
}