:root {
  --bg: #0f172a; --bg2: #1e293b; --bg3: #273449; --fg: #e2e8f0; --muted: #94a3b8;
  --line: #334155; --primary: #3b82f6; --primary-fg: #fff; --danger: #ef4444; --ok: #22c55e; --warn: #f59e0b;
  --ios: #a5b4fc; --android: #86efac; --radius: 12px;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #f8fafc; --bg2: #ffffff; --bg3: #f1f5f9; --fg: #0f172a; --muted: #64748b; --line: #e2e8f0; --ios: #4f46e5; --android: #16a34a; }
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", sans-serif; }
a { color: var(--primary); text-decoration: none; }
h1 { font-size: 1.6rem; margin: .4em 0; } h2 { font-size: 1.25rem; margin: 0 0 .6em; } h3 { margin: 0 0 .3em; }
p { margin: .4em 0; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .center { text-align: center; justify-content: center; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px clamp(16px, 3vw, 40px); border-bottom: 1px solid var(--line); background: var(--bg2); position: sticky; top: 0; z-index: 5; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--fg); }
#nav { display: flex; align-items: center; gap: 8px; }
.user { display: flex; align-items: center; gap: 6px; }
.user img { width: 26px; height: 26px; border-radius: 50%; background: var(--bg3); }
.user .email { font-size: .85rem; color: var(--muted); }
@media (max-width: 600px) { .user .email { display: none; } }

.container { width: 100%; max-width: none; margin: 0; padding: 16px clamp(16px, 3vw, 40px) 60px; }
.loading { text-align: center; color: var(--muted); padding: 60px 0; }
.hero { text-align: center; padding: 80px 0; }
.hero h1 { font-size: 2.4rem; }
.hero p { color: var(--muted); margin-bottom: 24px; }
.back { color: var(--muted); font-size: .9rem; }

.row { display: flex; gap: 10px; align-items: center; }
.row.between { justify-content: space-between; } .row.end { justify-content: flex-end; } .row.wrap { flex-wrap: wrap; }
.row > label { flex: 1; }
.grid { display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr)); }

.card { background: var(--bg2); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin: 12px 0; }
.card.err { border-color: var(--danger); }
.card.app { display: flex; gap: 14px; color: var(--fg); margin: 0; transition: border-color .15s, transform .15s; }
.card.app:hover { border-color: var(--primary); transform: translateY(-1px); }
.app-body { min-width: 0; flex: 1; }
.app-body h3 { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-icon { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, #6366f1, #3b82f6); color: #fff; font-weight: 700; font-size: 1.4rem; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.app-icon.xl { width: 96px; height: 96px; border-radius: 24px; font-size: 2.6rem; margin: 0 auto 10px; }

.badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.badge { font-size: .75rem; padding: 2px 8px; border-radius: 999px; background: var(--bg3); color: var(--muted); border: 1px solid var(--line); }
.badge.ios { color: var(--ios); } .badge.android { color: var(--android); } .badge.warn { color: var(--warn); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg3); color: var(--fg); cursor: pointer; font: inherit; font-size: .9rem; white-space: nowrap; }
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-fg); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); }
.btn.lg { font-size: 1.05rem; padding: 12px 22px; }
.btn.xl { font-size: 1.15rem; padding: 16px 28px; width: 100%; max-width: 360px; margin: 16px auto; border-radius: 14px; }

.build { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-left: 4px solid var(--line); width: 100%; }
.build.ios { border-left-color: var(--ios); } .build.android { border-left-color: var(--android); }
.build-main { flex: 1; min-width: 200px; }
.build-title { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; }
.build-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.notes { white-space: pre-wrap; font-size: .9rem; margin-top: 6px; }

.install { text-align: center; padding-top: 12px; width: 100%; }
.install .badges { justify-content: center; }
.notes-card { text-align: left; max-width: 480px; margin: 12px auto; }
.hint { max-width: 480px; margin: 0 auto 16px; font-size: .88rem; }
.qr { display: inline-block; padding: 12px; background: #fff; border-radius: 12px; margin: 8px 0 16px; }
.qr canvas { display: block; }
.qr p { color: #555; margin: 6px 0 0; }

label { display: block; font-size: .85rem; color: var(--muted); margin: 10px 0; }
input[type=text], input:not([type]), input[type=file], textarea { display: block; width: 100%; margin-top: 4px; padding: 9px 11px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--fg); font: inherit; }
textarea { resize: vertical; }
.seg { display: flex; gap: 6px; margin: 8px 0; }
.seg label { flex: 1; margin: 0; padding: 10px; border: 1px solid var(--line); border-radius: 10px; text-align: center; cursor: pointer; color: var(--fg); }
.seg label:has(input:checked) { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 15%, transparent); }
.seg input { margin-right: 6px; }
progress { width: 100%; height: 8px; margin: 8px 0; accent-color: var(--primary); }

.dialog { border: 1px solid var(--line); border-radius: 16px; background: var(--bg2); color: var(--fg); padding: 22px; width: min(520px, 92vw); }
.dialog::backdrop { background: rgba(0,0,0,.55); }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--bg3); border: 1px solid var(--line); color: var(--fg); padding: 10px 16px; border-radius: 10px; z-index: 50; box-shadow: 0 6px 24px rgba(0,0,0,.3); max-width: 90vw; }
.toast.ok { border-color: var(--ok); } .toast.err { border-color: var(--danger); }

/* 설정 폼 등 카드 안 입력 요소는 카드 폭에 맞춤 */
.card form, #access-form { width: 100%; }
@media (max-width: 600px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .build-actions { width: 100%; }
  .build-actions .btn { flex: 1; }
  .row.between.wrap > .row { width: 100%; }
  .row.between.wrap > .row .btn { flex: 1; }
}

.install-buttons { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.install-buttons .btn.xl { margin: 6px auto; }
.install-buttons .btn.ghost { border-color: var(--line); }
.btn .muted { color: inherit; opacity: .8; }
.hero .lead { font-size: 1.25rem; color: var(--fg); margin: 0 0 6px; }
.features { max-width: 960px; margin: 0 auto; }
.features .card { margin: 0; }
.members summary { cursor: pointer; }
.members form { margin-top: 10px; }
.footer-note { margin-top: 20px; }