/* 2026 광수중 주민 천체관측회 — 공용 스타일
   어두운 배경 + 붉은 계열 요소 (밤하늘 암적응 보호) */
* { box-sizing: border-box; }
:root {
  --bg: #0a0405;
  --bg-2: #120708;
  --surface: #1a0b0c;
  --surface-2: #241012;
  --line: #3a1a1c;
  --text: #e9b7b2;          /* 본문: 옅은 붉은빛 */
  --text-strong: #ffd2cc;
  --muted: #9a6662;
  --red: #e0453b;           /* 강조 */
  --red-soft: #5a1f1d;
  --red-deep: #8f2621;
  --ok: #d9874f;            /* 확인/성공도 붉은 주황 계열 */
  --warn: #f06a4f;
  --radius: 14px;
  --shadow: 0 2px 10px rgba(0,0,0,.45);
  --font: "Pretendard", -apple-system, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
}
html { background: var(--bg); }
body {
  margin: 0; min-height: 100vh; font-family: var(--font); color: var(--text); line-height: 1.6;
  background:
    radial-gradient(1px 1px at 12% 18%, #5a2a28 50%, transparent 51%),
    radial-gradient(1px 1px at 72% 9%, #4a2220 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 38% 62%, #5a2a28 50%, transparent 51%),
    radial-gradient(1px 1px at 88% 44%, #4a2220 50%, transparent 51%),
    radial-gradient(1px 1px at 22% 84%, #4a2220 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 62% 78%, #5a2a28 50%, transparent 51%),
    var(--bg);
  background-attachment: fixed;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--red); }
img { max-width: 100%; }
::selection { background: var(--red-deep); color: var(--text-strong); }

/* 컬러 이모지는 붉은 톤으로 (core.js가 자동으로 감쌈) */
.emo { filter: grayscale(1) sepia(1) saturate(7) hue-rotate(-42deg) brightness(.7); font-style: normal; }

/* 사진까지 붉게 (완전 야간 모드) */
html.night-photos img:not(.no-night), html.night-photos .ph-bg { filter: grayscale(1) sepia(1) saturate(4) hue-rotate(-35deg) brightness(.7); }
/* 기본: 사진 밝기 조금 낮춤 */
img.photo { filter: brightness(.82); }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 16px 72px; }
.wrap.narrow { max-width: 560px; }

/* 상단 바 */
.topbar {
  position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 10px;
  padding: 10px 16px; background: rgba(10,4,5,.92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topbar .home { color: var(--text-strong); text-decoration: none; font-weight: 700; font-size: .95rem; white-space: nowrap; }
.topbar .home small { color: var(--muted); font-weight: 400; margin-left: 4px; }
.topbar .spacer { flex: 1; }
.topbar .admin-chip { font-size: .72rem; color: var(--red); border: 1px solid var(--red-soft); border-radius: 99px; padding: 2px 8px; white-space: nowrap; max-width: 34vw; overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 440px) { .topbar .home small { display: none; } .topbar { gap: 6px; padding: 10px 12px; } .topbar .home { font-size: .88rem; } }
.icon-btn {
  background: none; border: 1px solid var(--line); color: var(--text); border-radius: 99px;
  padding: 5px 10px; font-size: .78rem; cursor: pointer; font-family: inherit; white-space: nowrap;
}
.icon-btn[aria-pressed="true"] { background: var(--red-soft); border-color: var(--red-deep); color: var(--text-strong); }

h1, h2, h3 { color: var(--text-strong); line-height: 1.35; }
h1 { font-size: 1.35rem; margin: 22px 0 6px; }
h2 { font-size: 1.08rem; margin: 22px 0 8px; }
h3 { font-size: .98rem; margin: 0 0 4px; }
.sub { color: var(--muted); font-size: .86rem; margin: 0 0 14px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 12px; }

/* 버튼 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 16px; border-radius: 10px; border: 1px solid var(--red-deep);
  background: var(--red-soft); color: var(--text-strong); font-size: .92rem; font-weight: 700;
  font-family: inherit; cursor: pointer; text-decoration: none;
}
.btn.primary { background: var(--red); border-color: var(--red); color: #1a0505; }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--text); font-weight: 500; }
.btn.small { padding: 6px 10px; font-size: .8rem; border-radius: 8px; }
.btn.block { display: flex; width: 100%; }
.btn:disabled { opacity: .45; cursor: default; }

/* 입력 */
label.field { display: block; font-size: .84rem; font-weight: 700; color: var(--text-strong); margin: 14px 0 6px; }
input[type=text], input[type=tel], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 11px 12px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--bg-2); color: var(--text-strong); font-size: 1rem; font-family: inherit; outline: none;
}
textarea { min-height: 110px; resize: vertical; line-height: 1.6; }
input:focus, select:focus, textarea:focus { border-color: var(--red); }
input[type=checkbox] {
  -webkit-appearance: none; appearance: none; width: 20px; height: 20px; margin: 0; flex: none;
  border: 1.5px solid var(--red-deep); border-radius: 5px; background: var(--bg-2); cursor: pointer; position: relative;
}
input[type=checkbox]:checked { background: var(--red); border-color: var(--red); }
input[type=checkbox]:checked::after {
  content: ''; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px;
  border: solid #1a0505; border-width: 0 2.5px 2.5px 0; transform: rotate(45deg);
}
input[type=checkbox]:focus-visible { outline: 2px solid var(--red); outline-offset: 2px; }
select { -webkit-appearance: none; appearance: none; padding-right: 34px;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
option { background: var(--bg-2); color: var(--text-strong); }
input::placeholder, textarea::placeholder { color: #6d4542; }
.hint { font-size: .78rem; color: var(--muted); margin-top: 4px; }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--text);
  border-radius: 99px; padding: 6px 12px; font-size: .82rem; cursor: pointer; font-family: inherit; white-space: nowrap;
}
.chip[aria-pressed="true"], .chip.on { background: var(--red-soft); border-color: var(--red); color: var(--text-strong); font-weight: 700; }

.badge { display: inline-block; font-size: .7rem; padding: 1px 7px; border-radius: 99px; border: 1px solid var(--red-deep); color: var(--text); vertical-align: middle; white-space: nowrap; }
.badge.solid { background: var(--red-soft); }
.badge.star-feat { border-color: var(--red); color: var(--red); }

.msg { border-radius: 10px; padding: 10px 12px; font-size: .86rem; margin-top: 10px; display: none; }
.msg.show { display: block; }
.msg.err { background: #3a0f0e; border: 1px solid var(--red-deep); color: #ffb3a8; }
.msg.ok { background: #2a1408; border: 1px solid #7a3b14; color: #f3b98c; }

.loading { text-align: center; color: var(--muted); padding: 40px 0; font-size: .9rem; }
.empty { text-align: center; color: var(--muted); padding: 32px 0; font-size: .9rem; }

/* 토스트 */
#toast {
  position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px);
  background: var(--surface-2); border: 1px solid var(--red-deep); color: var(--text-strong);
  padding: 10px 16px; border-radius: 99px; font-size: .86rem; opacity: 0; pointer-events: none;
  transition: .25s; z-index: 300; max-width: calc(100% - 32px);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 모달 */
.modal-back {
  position: fixed; inset: 0; background: rgba(0,0,0,.72); z-index: 200; display: none;
  align-items: flex-end; justify-content: center;
}
.modal-back.show { display: flex; }
.modal {
  background: var(--bg-2); border: 1px solid var(--line); border-bottom: none;
  width: 100%; max-width: 720px; max-height: 92vh; overflow-y: auto;
  border-radius: 18px 18px 0 0; padding: 0 16px 28px; position: relative;
}
.modal .modal-head {
  position: sticky; top: 0; z-index: 2; display: flex; align-items: center; gap: 8px;
  padding: 12px 0; background: var(--bg-2); border-bottom: 1px solid var(--line); margin-bottom: 12px;
}
.modal .modal-head .t { flex: 1; font-weight: 700; color: var(--text-strong); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
@media (min-width: 760px) {
  .modal-back { align-items: center; }
  .modal { border-radius: 18px; border-bottom: 1px solid var(--line); }
}

/* 하단 */
.foot { text-align: center; color: var(--muted); font-size: .76rem; padding: 30px 0 10px; }
.foot a { color: var(--muted); }
.admin-login-link { background: none; border: none; color: #5d3532; font-size: .72rem; cursor: pointer; font-family: inherit; text-decoration: underline; padding: 8px; }

/* 별 기본 이미지(코드로 그림) */
.star-img { display: block; width: 100%; height: 100%; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }