/* ═══════════════════════════════════════════════
   style.css
   Arknights — 오퍼레이터 생일 캘린더
   ═══════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+KR:wght@400;600;700&family=Noto+Sans+KR:wght@300;400;500&family=Share+Tech+Mono&display=swap');

/* ─────────────────────────────────────────────
   CSS 변수
───────────────────────────────────────────── */
:root {
  --bg:            #10111a;
  --surface:       #161820;
  --surface2:      #1c1f2b;
  --surface3:      #222638;
  --border:        #2a2f45;
  --border-glow:   #353d5c;
  --text-primary:  #eaedf7;
  --text-secondary:#b0b8d4;
  --text-muted:    #5a6180;
  --accent:        #4a8be8;
  --accent-dim:    rgba(74,139,232,0.12);
  --today-glow:    rgba(74,139,232,0.18);
}

/* ─────────────────────────────────────────────
   리셋 & 기본
───────────────────────────────────────────── */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text-primary);
  font-family: 'Noto Sans KR', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

::-webkit-scrollbar       { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }


/* ─────────────────────────────────────────────
   HEADER
───────────────────────────────────────────── */
header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
  flex-wrap: wrap;
}
header::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.45;
}

/* 타이틀 */
.header-title-block { display: flex; flex-direction: column; gap: 2px; }
.header-eyebrow {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}
header h1 {
  font-family: 'Noto Serif KR', serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.5px;
}

.header-divider {
  width: 1px; height: 32px;
  background: var(--border);
  flex-shrink: 0;
}

/* ─────────────────────────────────────────────
   CONTROLS (월 이동 + 필터)
───────────────────────────────────────────── */
.controls {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* 월 네비게이션 그룹 */
.month-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 버튼 공통 */
.controls button,
.btn-nav {
  padding: 5px 10px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-secondary);
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.13s;
  line-height: 1;
}
.controls button:hover,
.btn-nav:hover {
  border-color: var(--border-glow);
  color: var(--text-primary);
  background: var(--surface2);
}

/* select 공통 */
.controls select {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 2px;
  color: var(--text-primary);
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 12px;
  padding: 5px 28px 5px 10px;
  cursor: pointer;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%235a6180'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  transition: border-color 0.13s;
}
.controls select:focus { border-color: var(--accent); }
.controls select option { background: var(--surface2); }

/* 구분선 */
.controls-divider {
  width: 1px; height: 20px;
  background: var(--border);
  flex-shrink: 0;
}

/* 필터 레이블 */
.filter-label-text {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}

/* 현재 월/년 표시 */
#currentMonthLabel {
  font-family: 'Share Tech Mono', monospace;
  font-size: 13px;
  color: var(--text-primary);
  letter-spacing: 1px;
  min-width: 120px;
  text-align: center;
}


/* ─────────────────────────────────────────────
   MAIN & CALENDAR GRID
───────────────────────────────────────────── */
main {
  flex: 1;
  padding: 24px 20px 48px;
}

/* 요일 헤더 */
.calendar-header-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  max-width: 1100px;
  margin: 0 auto 6px;
}
.dow-label {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: center;
  padding: 6px 0;
}
.dow-label:first-child { color: #e05c5c; } /* 일요일 */
.dow-label:last-child  { color: #5c8ae0; } /* 토요일 */

/* 달력 그리드 */
#calendar {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ── 날짜 셀 ── */
.day {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  min-height: 96px;
  padding: 8px;
  text-align: left;
  font-size: 13px;
  transition: border-color 0.13s;
  position: relative;
  overflow: hidden;
}
.day:hover { border-color: var(--border-glow); }

/* 빈 셀 */
.day.empty {
  background: transparent;
  border-color: transparent;
  pointer-events: none;
}

/* 오늘 강조 */
.day.today {
  border-color: var(--accent);
  background: var(--today-glow);
}
.day.today::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
}

/* 날짜 숫자 */
.day-number {
  font-family: 'Share Tech Mono', monospace;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  line-height: 1;
}
.day.today .day-number {
  color: var(--accent);
  font-weight: 700;
}
/* 일요일/토요일 날짜 색상 */
.day.sunday  .day-number { color: #e05c5c; }
.day.saturday .day-number { color: #5c8ae0; }

/* ── 캐릭터 칩 ── */
.character {
  display: flex;
  align-items: center;
  gap: 5px;
  margin: 3px 0;
  padding: 3px 6px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: default;
  transition: border-color 0.12s, background 0.12s;
  overflow: hidden;
}
.character:hover {
  background: var(--surface3);
  border-color: var(--border-glow);
}

.character img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--border);
}
/* 이미지 로드 실패 시 플레이스홀더 */
.character img.error {
  background: var(--surface3);
  border-color: var(--border);
}

.character span {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: 'Noto Sans KR', sans-serif;
}

/* 같은 날 생일이 많을 때 더보기 표시 */
.char-more {
  font-family: 'Share Tech Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  padding: 2px 6px;
  letter-spacing: 0.5px;
}


/* ─────────────────────────────────────────────
   반응형
───────────────────────────────────────────── */
@media (max-width: 800px) {
  #calendar,
  .calendar-header-row {
    gap: 4px;
  }
  .day {
    min-height: 72px;
    padding: 6px 5px;
  }
  .character span { display: none; } /* 이름 숨김, 아이콘만 */
  .character { padding: 2px 3px; gap: 0; }
  .character img { width: 20px; height: 20px; }
}

@media (max-width: 520px) {
  main { padding: 12px 8px 32px; }
  header { padding: 10px 14px; gap: 10px; }
  header h1 { font-size: 15px; }
  .header-divider { display: none; }
  .controls { gap: 6px; }
  .day { min-height: 52px; padding: 4px 3px; }
  .day-number { font-size: 10px; }
  .controls select { font-size: 11px; padding: 4px 22px 4px 7px; }
  .filter-label-text { display: none; }
}

.layout {
  display: flex;
}

.sidebar {
  width: 220px;
  background: #161820;
  padding: 10px;
  border-right: 1px solid #2a2f45;
}

.sidebar input {
  width: 100%;
  margin-bottom: 10px;
  padding: 6px;
}

#gameList label {
  display: block;
  margin: 4px 0;
  font-size: 13px;
}

.view-toggle button {
  margin-left: 6px;
}