/*
 * 전치사 우체통 (/grammar/expression/mailbox.jsp, 2026-10-31) — 게임 js/ps2-expression-mailbox.js 의 꾸밈. 틀의 꾸밈은 css/ps2-expression-arcade.css (.ga-*)
 *   하늘 #0c4a6e · 우체통 #2563eb · 깃발 #ef4444 · 봉투 #fffdf7 · 빛 #38bdf8
 */
#main .gi .ga--mailbox { --ga-bg1: #0c4a6e; --ga-bg2: #0369a1; --ga-glow: #38bdf8; --ga-halo: rgba(56, 189, 248, .3); --ga-win: #0284c7; --ga-hot: #ef4444; }
#main .gi .ga--mailbox .emb-cv { display: block; touch-action: none; -webkit-user-select: none; user-select: none; -webkit-tap-highlight-color: transparent; cursor: grab; }
#main .gi .ga--mailbox .emb-cv:active { cursor: grabbing; }
#main .gi .ga--mailbox .ga-q { min-height: 104px; }
#main .gi .ga--mailbox .ga-q .emb-sent { margin: 2px 0 0; font-size: clamp(16px, 2.2vw, 20px); font-weight: 700; line-height: 1.5; color: #f8fafc; text-align: center; }
#main .gi .ga--mailbox .ga-q .emb-sent mark { display: inline-block; min-width: 54px; padding: 0 9px; border-radius: 8px; background: rgba(255, 255, 255, .14); color: #bae6fd; border: 1px dashed rgba(186, 230, 253, .7); }
#main .gi .ga--mailbox .ga-q .emb-sent.is-ok { color: #bbf7d0; }
#main .gi .ga--mailbox .ga-q .emb-sent.is-ok mark { background: #dcfce7; color: #14532d; border-color: transparent; }
#main .gi .ga--mailbox .ga-q .emb-ask { font-weight: 800; }
#main .gi .ga--mailbox .ga-q .emb-okline { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 7px; font-size: clamp(14px, 1.9vw, 16px); }
#main .gi .ga--mailbox .emb-okmark { color: #34d399; font-size: 1.15em; }
#main .gi .ga--mailbox .emb-qchip { display: inline-block; padding: 1px 10px; border-radius: 999px; font-size: 13.5px; font-weight: 800; line-height: 1.6; color: #0f172a; background: #e2e8f0; white-space: nowrap; }
#main .gi .ga--mailbox .emb-qchip--ok { background: #bae6fd; }
#main .gi .ga--mailbox .emb-qchip--bad { background: #fecaca; color: #991b1b; }
#main .gi .ga--mailbox .emb-chip { display: inline-flex; align-items: center; padding: 2px 9px; border-radius: 999px; background: rgba(56, 189, 248, .14); color: #075985; font-size: 12px; font-weight: 800; white-space: nowrap; }
#main .gi .ga--mailbox .emb-chip--time { background: rgba(14, 165, 233, .12); color: #0c4a6e; font-variant-numeric: tabular-nums; }
#main .gi .ga--mailbox .emb-chip--time.is-hot { background: rgba(239, 68, 68, .16); color: #b91c1c; }
#main .gi .ga--mailbox .emb-pad { min-width: 150px; height: 56px; }
#main .gi .ga--mailbox .emb-pad b { font-size: 19px; }
#main .gi .ga--mailbox .emb-pad--side { min-width: 58px; font-size: 20px; }
#main .gi .ga--mailbox .ga-card .emb-sent, #main .gi .ga--mailbox .ga-wrong .emb-sent { text-align: left; color: var(--ga-ink); font-size: 17px; }
#main .gi .ga--mailbox .ga-card .ga-sent mark, #main .gi .ga--mailbox .ga-wrong .ga-sent mark { background: #dcfce7; color: #14532d; border: 0; }

/* 로비 그림: 하늘 · 바람 · 날아오는 편지 · 우체통 셋 */
#main .gi .ga--mailbox .emb-hero { position: absolute; inset: 0; overflow: hidden; background: linear-gradient(#7dd3fc, #e0f2fe 70%, #a3e635 70%, #65a30d); }
#main .gi .ga--mailbox .emb-hero__sun { position: absolute; right: 12%; top: 12%; width: 34px; height: 34px; border-radius: 50%; background: #fde68a; box-shadow: 0 0 30px 12px rgba(253, 230, 138, .7); }
#main .gi .ga--mailbox .emb-hero__wind { position: absolute; left: -30%; top: 22%; width: 40%; height: 2px; border-radius: 2px; background: rgba(255, 255, 255, .8); animation: emb-wind 2.6s linear infinite; }
#main .gi .ga--mailbox .emb-hero__wind--2 { top: 40%; animation-delay: -1.3s; }
#main .gi .ga--mailbox .emb-hero__letter { position: absolute; left: 18%; top: 18%; padding: 10px 14px; border-radius: 6px; background: #fffdf7; box-shadow: 0 8px 16px -6px rgba(0, 0, 0, .4), inset 0 4px 0 #dc2626, inset 0 -4px 0 #1d4ed8; animation: emb-fly 3.4s ease-in-out infinite; }
#main .gi .ga--mailbox .emb-hero__letter b { font: italic 700 15px Georgia, "Times New Roman", serif; color: #1e293b; white-space: nowrap; }
#main .gi .ga--mailbox .emb-hero__box { position: absolute; bottom: 12%; width: 54px; height: 44px; margin-left: -27px; border-radius: 27px 27px 6px 6px; display: grid; place-items: end center; padding-bottom: 6px; box-shadow: 0 6px 10px -4px rgba(0, 0, 0, .5); }
#main .gi .ga--mailbox .emb-hero__box::after { content: ""; position: absolute; left: 50%; top: 100%; width: 8px; height: 26px; margin-left: -4px; background: #92400e; }
#main .gi .ga--mailbox .emb-hero__box i { position: absolute; left: 30%; right: 30%; top: 8px; height: 4px; border-radius: 2px; background: #0f172a; }
#main .gi .ga--mailbox .emb-hero__box b { padding: 0 6px; border-radius: 5px; background: #fffbeb; color: #0f172a; font-size: 12px; font-weight: 900; }
#main .gi .ga--mailbox .emb-hero__box--a { left: 24%; background: linear-gradient(135deg, #2563eb, #1e3a8a); }
#main .gi .ga--mailbox .emb-hero__box--b { left: 50%; background: linear-gradient(135deg, #dc2626, #7f1d1d); }
#main .gi .ga--mailbox .emb-hero__box--c { left: 76%; background: linear-gradient(135deg, #059669, #064e3b); }
#main .gi .ga--mailbox .emb-hero__box--a::before { content: ""; position: absolute; right: -10px; top: 6px; width: 12px; height: 9px; background: #ef4444; border-left: 3px solid #94a3b8; animation: emb-flag 3.4s ease-in-out infinite; transform-origin: left bottom; }
@keyframes emb-wind { from { transform: translateX(0); } to { transform: translateX(380%); } }
@keyframes emb-fly { 0% { transform: translate(-10px, 0) rotate(-6deg); } 50% { transform: translate(18px, 10px) rotate(5deg); } 100% { transform: translate(-10px, 0) rotate(-6deg); } }
@keyframes emb-flag { 0%, 40% { transform: rotate(0); } 60%, 100% { transform: rotate(-80deg); } }
@media (max-width: 760px) {
    #main .gi .ga--mailbox .ga-q { min-height: 96px; padding: 8px 10px; gap: 2px; }
    #main .gi .ga--mailbox .ga-q .ga-ask { font-size: 13.5px; }
    #main .gi .ga--mailbox .ga-q .emb-sent { font-size: 15.5px; line-height: 1.45; }
    #main .gi .ga--mailbox .ga-ko { font-size: 13px; }
    #main .gi .ga--mailbox .ga-side { display: none; }
    #main .gi .ga--mailbox .emb-pad { min-width: 0; height: 50px; }
    #main .gi .ga--mailbox .emb-pad--side { flex: 0 0 58px; }
    #main .gi .ga--mailbox .ga-overlay { padding: 6px; }
    #main .gi .ga--mailbox .ga-card { padding: 11px 13px; }
    #main .gi .ga--mailbox .ga-card .emb-sent, #main .gi .ga--mailbox .ga-card .ga-sent { font-size: 15.5px; line-height: 1.45; }
    #main .gi .ga--mailbox .ga-card .ga-card__why { padding: 8px 10px; font-size: 14px; line-height: 1.55; }
}
@media (prefers-reduced-motion: reduce) {
    #main .gi .ga--mailbox .emb-hero * { animation: none !important; }
}