/* ZERO2HERO 공통 디자인 - 어두운 우주 테마 */
:root {
  --bg: #0b0d17;
  --card: #141829;
  --card-2: #1c2138;
  --text: #e8eaf6;
  --muted: #9aa0c3;
  --accent: #7c6cff;
  --accent-2: #3fd4e8;
  --ok: #3ddc97;
  --warn: #ffc857;
  --danger: #ff5c7a;
  --border: #2a3052;
  --radius: 12px;
  --font: "Pretendard", "Malgun Gothic", "Apple SD Gothic Neo", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6;
  background-image: radial-gradient(1px 1px at 20% 30%, #ffffff55 50%, transparent 51%),
    radial-gradient(1px 1px at 70% 80%, #ffffff44 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 40% 70%, #ffffff33 50%, transparent 51%),
    radial-gradient(1px 1px at 85% 15%, #ffffff55 50%, transparent 51%);
  background-size: 240px 240px, 310px 310px, 420px 420px, 190px 190px;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }
main { width: 100%; max-width: 1040px; margin: 0 auto; padding: 24px 16px 48px; flex: 1; }
h1 { font-size: 26px; margin: 0 0 16px; }
h2 { font-size: 20px; margin: 0 0 12px; }
h3 { font-size: 16px; margin: 0 0 8px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.hidden { display: none !important; }

/* 상단 메뉴 */
.site-header { position: sticky; top: 0; z-index: 10; background: #0b0d17e6; backdrop-filter: blur(6px); border-bottom: 1px solid var(--border); }
.site-header .inner { max-width: 1040px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 18px; }
.logo { font-weight: 800; letter-spacing: 1px; color: var(--text); font-size: 18px; margin-right: auto; }
.logo span { color: var(--accent); }
.nav { display: flex; gap: 16px; }
.nav a { color: var(--muted); font-size: 15px; }
.nav a.active, .nav a:hover { color: var(--text); text-decoration: none; }
.user-box { display: flex; align-items: center; gap: 10px; font-size: 14px; }
.menu-btn { display: none; background: none; border: 0; color: var(--text); font-size: 22px; cursor: pointer; }
@media (max-width: 720px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 52px; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--card); border-bottom: 1px solid var(--border); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 16px; border-top: 1px solid var(--border); }
}

/* 버튼 · 입력 */
.btn { white-space: nowrap; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--border); background: var(--card-2); color: var(--text); font: inherit; font-size: 14px; cursor: pointer; }
.btn:hover { border-color: var(--accent); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.danger { border-color: var(--danger); color: var(--danger); background: transparent; }
.btn.small { padding: 5px 10px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .6; cursor: wait; }
label { display: block; font-size: 14px; color: var(--muted); margin: 12px 0 6px; }
input, select, textarea { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
textarea { min-height: 260px; resize: vertical; }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.check input { width: auto; }

/* 카드 · 그리드 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.grid { display: grid; gap: 14px; }
.grid.c2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.stat { background: var(--card-2); border-radius: 10px; padding: 12px 14px; }
.stat .k { font-size: 13px; color: var(--muted); }
.stat .v { font-size: 22px; font-weight: 700; }
.auth-box { max-width: 420px; margin: 24px auto; }
.divider { display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 13px; margin: 18px 0; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

/* 배지 */
.badge { display: inline-block; font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--card-2); color: var(--muted); border: 1px solid var(--border); white-space: nowrap; }
.badge.ok { color: var(--ok); border-color: #3ddc9755; background: #3ddc9714; }
.badge.warn { color: var(--warn); border-color: #ffc85755; background: #ffc85714; }
.badge.bad { color: var(--danger); border-color: #ff5c7a55; background: #ff5c7a14; }
.badge.acc { color: #b9b0ff; border-color: #7c6cff66; background: #7c6cff1f; }

/* 표 · 목록 */
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th, .table td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
.table th { color: var(--muted); font-weight: 500; font-size: 13px; }
.table tr:hover td { background: #ffffff05; }
.table-wrap { overflow-x: auto; }
.list-row { display: flex; justify-content: space-between; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.list-row:last-child { border-bottom: 0; }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tabs button { padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: transparent; color: var(--muted); cursor: pointer; font: inherit; font-size: 14px; }
.tabs button.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.pager { display: flex; justify-content: center; gap: 6px; margin-top: 16px; }

/* 레벨 막대 */
.xpbar { height: 8px; background: var(--card-2); border-radius: 99px; overflow: hidden; }
.xpbar > div { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.avatar { width: 56px; height: 56px; border-radius: 50%; background: var(--accent); display: grid; place-items: center; font-weight: 800; font-size: 22px; color: #fff; }

/* 홈 배너 */
.hero { padding: 36px 28px; border-radius: 18px; background: linear-gradient(135deg, #2a1f6b, #10223f 60%, #0b2b33); border: 1px solid var(--border); margin-bottom: 18px; }
.hero h1 { font-size: 32px; margin-bottom: 6px; }
.hero p { color: #c9cdf0; margin: 0 0 18px; }

/* 게시글 본문 */
.post-body { white-space: pre-wrap; word-break: break-word; line-height: 1.8; }

/* 알림 */
.notice { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--card-2); margin: 12px 0; font-size: 14px; }
.notice.ok { border-color: #3ddc9766; }
.notice.bad { border-color: #ff5c7a66; color: #ffc2cd; }
.notice.warn { border-color: #ffc85766; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--card-2); border: 1px solid var(--accent); padding: 12px 18px; border-radius: 12px; z-index: 50; font-size: 14px; max-width: 90vw; }
.err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; }

/* 게임 아이콘 타일 · 게임 카드 */
.gicon { display: inline-grid; place-items: center; flex: none; border-radius: 14px; color: var(--gc); background: color-mix(in srgb, var(--gc) 16%, transparent); border: 1px solid color-mix(in srgb, var(--gc) 35%, transparent); }
.game-card { color: inherit; text-decoration: none !important; display: flex; flex-direction: column; transition: transform .15s, border-color .15s; }
.game-card:hover { transform: translateY(-3px); border-color: var(--gc); }
.game-card-foot { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 10px; border-top: 1px solid var(--border); }
.game-card .play { color: var(--gc); font-weight: 600; }

/* 홈 */
.hero { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px; align-items: center; }
.hero-art { width: 220px; height: 220px; }
@media (max-width: 720px) { .hero { grid-template-columns: 1fr; padding: 28px 20px; } .hero-art { display: none; } .hero h1 { font-size: 26px; } }
.section-title { display: flex; align-items: baseline; justify-content: space-between; margin: 28px 0 12px; }
.section-title h2 { margin: 0; }
.tiers { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
.tier { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 10px; text-align: center; position: relative; }
.tier .t-name { font-weight: 700; }
.tier .t-lv { font-size: 12px; color: var(--muted); }
.tier.me { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.tier.me::after { content: "나"; position: absolute; top: -9px; right: 8px; font-size: 11px; background: var(--accent); color: #fff; border-radius: 99px; padding: 0 7px; }
@media (max-width: 560px) { .tiers { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.xp-rules { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }

/* 바닥글 */
footer.site-footer { border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; text-align: center; padding: 22px 16px; }
footer.site-footer .links { display: flex; justify-content: center; gap: 16px; margin-bottom: 6px; }
footer.site-footer a { color: var(--muted); }

/* 상단 메뉴: 좁은 화면에서는 닉네임 글자를 숨기고 레벨만 */
@media (max-width: 560px) { .user-box .nick { display: none; } .user-box .badge.acc + .nick { display: none; } }

/* 약관 문서 */
.doc h2 { font-size: 17px; margin: 26px 0 8px; }
.doc p, .doc li { color: #cfd2ea; font-size: 15px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 14px; margin: 8px 0; }
.doc th, .doc td { border: 1px solid var(--border); padding: 8px; text-align: left; vertical-align: top; }