/* ==================== 基础 ==================== */
* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
body { font-family:'Noto Sans SC',sans-serif; background:linear-gradient(160deg,#0a0a1a 0%,#1a0a2e 25%,#16213e 50%,#0a1628 100%); min-height:100vh; color:#eee; overflow-x:hidden; touch-action:manipulation; }
.app-container { max-width:900px; margin:0 auto; padding:20px 16px 50px; position:relative; z-index:1; }

/* ==================== 粒子 ==================== */
#particles-bg { position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden; }
.particle { position:absolute; border-radius:50%; opacity:0.4; animation:float 8s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0) scale(1) rotate(0deg);opacity:0.3;} 50%{transform:translateY(-40px) scale(1.4) rotate(180deg);opacity:0.7;} }

/* ==================== 头部 ==================== */
.app-header { text-align:center; padding:28px 0 20px; }
.trophy-icon { font-size:56px; margin-bottom:10px; filter:drop-shadow(0 4px 12px rgba(255,215,0,0.3)); animation:trophyGlow 3s ease-in-out infinite; }
@keyframes trophyGlow { 0%,100%{filter:drop-shadow(0 4px 12px rgba(255,215,0,0.3));} 50%{filter:drop-shadow(0 6px 20px rgba(255,215,0,0.6));} }
.app-title { font-size:2rem; font-weight:900; background:linear-gradient(135deg,#FFD700 0%,#FF8C00 50%,#FFD700 100%); -webkit-background-clip:text; -webkit-text-fill-color:transparent; letter-spacing:3px; text-shadow:0 2px 8px rgba(255,215,0,0.1); }
.app-subtitle { color:rgba(255,255,255,0.5); font-size:0.85rem; margin-top:6px; letter-spacing:1px; }

/* ==================== 卡片通用 ==================== */
.card-base { background:rgba(255,255,255,0.03); backdrop-filter:blur(10px); border:1px solid rgba(255,255,255,0.06); border-radius:14px; box-shadow:0 4px 20px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.05); }

/* ==================== 规则卡 ==================== */
.rules-card { background:rgba(255,255,255,0.03); backdrop-filter:blur(10px); border:1px solid rgba(255,215,0,0.15); border-radius:14px; padding:18px 20px; margin-bottom:18px; box-shadow:0 4px 20px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,215,0,0.05); }
.rules-card h3 { color:#FFD700; margin-bottom:12px; font-size:1rem; display:flex; align-items:center; gap:6px; }
.rules-card ul { list-style:none; font-size:0.82rem; line-height:2; }
.rules-card li { padding-left:10px; position:relative; color:rgba(255,255,255,0.8); }
.rules-card li::before { content:''; position:absolute; left:0; top:50%; width:4px; height:4px; border-radius:50%; background:rgba(255,215,0,0.5); transform:translateY(-50%); }
.rules-contact { margin-top:12px; font-size:0.8rem; color:rgba(255,255,255,0.4); text-align:right; }
.gold { color:#FFD700; font-weight:700; }

/* ==================== 进度 ==================== */
.progress-card { background:rgba(255,255,255,0.03); backdrop-filter:blur(10px); border:1px solid rgba(255,255,255,0.06); border-radius:14px; padding:14px 18px; margin-bottom:14px; box-shadow:0 2px 12px rgba(0,0,0,0.2); }
.progress-steps { display:flex; gap:5px; margin-bottom:10px; flex-wrap:wrap; }
.p-step { font-size:0.7rem; padding:4px 10px; border-radius:14px; background:rgba(255,255,255,0.06); color:rgba(255,255,255,0.4); transition:all 0.3s; }
.p-step.active { background:rgba(0,200,83,0.15); color:#00C853; }
.p-step.current { background:linear-gradient(135deg,#00C853,#00E676); color:#fff; font-weight:700; box-shadow:0 2px 8px rgba(0,200,83,0.3); }
.progress-info { display:flex; justify-content:space-between; font-size:0.8rem; color:rgba(255,255,255,0.5); }

/* ==================== 统计 ==================== */
.stats-card { display:flex; gap:10px; margin-bottom:18px; }
.stat-item { flex:1; background:rgba(255,255,255,0.03); backdrop-filter:blur(10px); border:1px solid rgba(255,255,255,0.06); border-radius:12px; padding:12px 8px; text-align:center; transition:transform 0.2s, box-shadow 0.2s; }
.stat-item:hover { transform:translateY(-2px); box-shadow:0 4px 16px rgba(0,0,0,0.3); }
.stat-value { display:block; font-size:1.3rem; font-weight:900; color:#eee; }
.stat-value.gold { color:#FFD700; text-shadow:0 0 8px rgba(255,215,0,0.3); }
.stat-label { font-size:0.65rem; color:rgba(255,255,255,0.4); margin-top:3px; }

/* ==================== 阶段显隐 ==================== */
.stage-section { display:none; animation:fadeIn 0.3s ease; }
.stage-section.active { display:block; }
@keyframes fadeIn { from{opacity:0;transform:translateY(8px);} to{opacity:1;transform:translateY(0);} }

/* ==================== 小组赛Tab ==================== */
.group-tabs { display:flex; flex-wrap:wrap; gap:5px; margin-bottom:14px; }
.group-tab { padding:7px 12px; border:1px solid rgba(255,255,255,0.1); border-radius:10px; background:rgba(255,255,255,0.03); color:rgba(255,255,255,0.5); font-size:0.75rem; cursor:pointer; transition:all 0.25s; font-weight:500; }
.group-tab:hover { background:rgba(255,255,255,0.08); color:#eee; }
.group-tab.active { background:linear-gradient(135deg,#FFD700,#FF8C00); color:#000; font-weight:700; border-color:transparent; box-shadow:0 2px 10px rgba(255,215,0,0.3); }
.group-tab.done { border-color:rgba(0,200,83,0.4); color:#00C853; }
.group-tab.done.active { background:linear-gradient(135deg,#00C853,#00E676); color:#fff; box-shadow:0 2px 10px rgba(0,200,83,0.3); }

/* ==================== 积分表 ==================== */
.standings-card { background:rgba(255,255,255,0.03); backdrop-filter:blur(10px); border:1px solid rgba(255,255,255,0.06); border-radius:12px; padding:14px; margin-bottom:14px; overflow-x:auto; box-shadow:0 2px 12px rgba(0,0,0,0.2); }
.standings-hint { color:rgba(255,255,255,0.3); font-size:0.8rem; text-align:center; padding:12px; }
.standings-table { width:100%; border-collapse:collapse; font-size:0.78rem; }
.standings-table th { color:rgba(255,255,255,0.4); text-align:center; padding:6px 8px; border-bottom:1px solid rgba(255,255,255,0.08); font-weight:500; text-transform:uppercase; font-size:0.65rem; letter-spacing:0.5px; }
.standings-table td { text-align:center; padding:8px 6px; border-bottom:1px solid rgba(255,255,255,0.03); }
.standings-table .team-cell { text-align:left; white-space:nowrap; font-weight:500; }
.standings-table .tf { margin-right:6px; font-size:1.1rem; }
.standings-table .pts-cell { color:#FFD700; font-weight:700; }
.standings-table tr.qualified { background:rgba(0,200,83,0.08); }
.standings-table tr.qualified td:first-child { border-left:3px solid #00C853; }
.standings-table tr.third { background:rgba(255,165,0,0.06); }
.standings-table tr.third td:first-child { border-left:3px solid orange; }
.standings-legend { margin-top:10px; font-size:0.65rem; display:flex; gap:14px; }
.leg-q { color:#00C853; }
.leg-t { color:orange; }

/* ==================== 晋级规则 ==================== */
.qualification-info { background:rgba(255,255,255,0.02); border:1px solid rgba(255,255,255,0.05); border-radius:10px; padding:12px 14px; margin-bottom:14px; font-size:0.75rem; color:rgba(255,255,255,0.5); line-height:2; }
.qualification-info strong { color:rgba(255,255,255,0.8); }

/* ==================== 比赛卡片 ==================== */
.match-card { background:rgba(255,255,255,0.03); backdrop-filter:blur(8px); border:1px solid rgba(255,255,255,0.06); border-radius:12px; padding:12px 14px; margin-bottom:10px; transition:transform 0.2s, box-shadow 0.2s; }
.match-card:hover { transform:translateY(-1px); box-shadow:0 4px 16px rgba(0,0,0,0.3); }
.match-date { font-size:0.72rem; color:rgba(255,255,255,0.4); margin-bottom:8px; }
.match-row { display:flex; align-items:center; gap:6px; }
.match-side { flex:1; display:flex; align-items:center; gap:6px; padding:10px 12px; border-radius:10px; cursor:pointer; transition:all 0.25s; border:1px solid transparent; }
.match-side:hover { background:rgba(255,255,255,0.06); border-color:rgba(255,255,255,0.1); }
.match-side.selected { background:rgba(0,200,83,0.12); border-color:rgba(0,200,83,0.4); box-shadow:0 0 12px rgba(0,200,83,0.1); }
.match-side.away { justify-content:flex-end; }
.match-draw { padding:10px 14px; border-radius:10px; cursor:pointer; transition:all 0.25s; border:1px solid transparent; text-align:center; }
.match-draw:hover { background:rgba(255,255,255,0.06); }
.match-draw.selected { background:rgba(255,165,0,0.12); border-color:rgba(255,165,0,0.4); box-shadow:0 0 12px rgba(255,165,0,0.1); }
.mf { font-size:1.4rem; }
.mn { font-size:0.85rem; font-weight:600; color:rgba(255,255,255,0.9); }
.rb { font-size:0.65rem; color:rgba(255,255,255,0.4); padding:3px 8px; background:rgba(255,255,255,0.06); border-radius:6px; font-weight:500; }
.match-side.selected .rb { background:rgba(0,200,83,0.25); color:#00C853; }
.match-draw.selected .rb { background:rgba(255,165,0,0.25); color:orange; }

/* ==================== 淘汰赛Bracket ==================== */
.ko-header { text-align:center; margin-bottom:20px; }
.ko-title { color:#FFD700; font-size:1.2rem; font-weight:900; letter-spacing:1px; }
.ko-subtitle { color:rgba(255,255,255,0.4); font-size:0.75rem; margin-top:6px; }

.bracket-container { overflow-x:auto; padding:12px 0; }
.bracket-wrapper { display:flex; align-items:center; min-width:820px; gap:0; }
.bracket-left, .bracket-right { flex:1; display:flex; align-items:center; }
.bracket-left { flex-direction:row; }
.bracket-right { flex-direction:row-reverse; }
.bracket-center { flex:0 0 180px; display:flex; align-items:center; justify-content:center; }

.bracket-round { display:flex; flex-direction:column; justify-content:space-around; min-width:95px; gap:3px; height:100%; }
.round-r32 { min-height:580px; }
.round-r16 { min-height:580px; }
.round-qf { min-height:580px; }
.round-sf { min-height:580px; }

.bracket-match { background:rgba(255,255,255,0.03); border-radius:8px; padding:2px; margin:3px 4px; border:1px solid rgba(255,255,255,0.07); transition:all 0.2s; box-shadow:0 1px 4px rgba(0,0,0,0.2); }
.bracket-match:hover { border-color:rgba(255,255,255,0.15); box-shadow:0 2px 8px rgba(0,0,0,0.3); }
.bracket-team { display:flex; align-items:center; gap:4px; padding:5px 7px; border-radius:6px; cursor:pointer; transition:all 0.2s; border:1px solid transparent; min-height:26px; }
.bracket-team:hover { background:rgba(255,255,255,0.08); }
.bracket-team.winner { background:rgba(0,200,83,0.15); border-color:rgba(0,200,83,0.4); }
.bracket-team.winner .bt-name { color:#00E676; font-weight:700; }
.bracket-team.empty { opacity:0.3; cursor:default; }
.bt-flag { font-size:1rem; }
.bt-name { font-size:0.65rem; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; max-width:52px; color:rgba(255,255,255,0.8); }

/* 决赛特殊样式 */
.round-final { min-height:auto; }
.final-match { background:rgba(255,215,0,0.05); border-color:rgba(255,215,0,0.25); padding:10px; box-shadow:0 4px 16px rgba(255,215,0,0.1); }
.final-label { text-align:center; font-size:0.8rem; color:#FFD700; font-weight:700; margin-bottom:8px; letter-spacing:1px; }
.bracket-vs { text-align:center; font-size:0.6rem; color:rgba(255,255,255,0.3); padding:3px 0; }
.champion-display { text-align:center; margin-top:10px; padding-top:10px; border-top:1px solid rgba(255,215,0,0.15); animation:champReveal 0.5s ease; }
@keyframes champReveal { from{opacity:0;transform:scale(0.8);} to{opacity:1;transform:scale(1);} }
.champ-crown { font-size:1.4rem; }
.champ-flag { font-size:1.8rem; margin:4px 0; display:block; }
.champ-text { color:#FFD700; font-weight:900; font-size:0.9rem; }
.champ-sub { color:rgba(255,255,255,0.3); font-size:0.6rem; letter-spacing:3px; margin-top:2px; }

/* ==================== 结果页 ==================== */
.result-hero { text-align:center; padding:30px 0; }
.champ-flag-big { font-size:72px; margin-bottom:12px; animation:champBounce 2s ease-in-out infinite; }
@keyframes champBounce { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-8px);} }
.champ-name-big { font-size:1.8rem; font-weight:900; background:linear-gradient(135deg,#FFD700,#FF8C00); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.champ-label { color:rgba(255,255,255,0.6); font-size:0.9rem; margin-top:10px; }
.champ-sub-label { color:rgba(255,255,255,0.3); font-size:0.75rem; letter-spacing:4px; margin-top:4px; }
.champ-path { background:rgba(255,255,255,0.03); border:1px solid rgba(255,215,0,0.1); border-radius:14px; padding:18px; margin:20px 0; }
.champ-path h3 { color:#FFD700; margin-bottom:14px; font-size:1rem; }
.path-list { display:flex; flex-direction:column; gap:10px; }
.path-item { display:flex; align-items:center; gap:14px; padding:10px 14px; background:rgba(255,255,255,0.03); border-radius:10px; border-left:3px solid #FFD700; transition:transform 0.2s; }
.path-item:hover { transform:translateX(4px); }
.path-round { font-size:0.75rem; color:#FFD700; font-weight:700; min-width:54px; }
.path-detail { font-size:0.85rem; color:rgba(255,255,255,0.8); }
.stats-summary { text-align:center; margin:20px 0; font-size:0.85rem; color:rgba(255,255,255,0.5); line-height:2.2; }
.share-hint { color:rgba(255,255,255,0.3); font-size:0.75rem; margin-top:10px; }

/* ==================== 按钮 ==================== */
.stage-action { text-align:center; margin-top:20px; }
.action-btn { padding:14px 24px; border:none; border-radius:12px; font-size:0.85rem; font-weight:700; cursor:pointer; transition:all 0.3s; position:relative; overflow:hidden; }
.action-btn::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg,rgba(255,255,255,0.1),transparent); opacity:0; transition:opacity 0.3s; }
.action-btn:hover::before { opacity:1; }
.action-btn.primary { background:linear-gradient(135deg,#FFD700,#FF8C00); color:#000; box-shadow:0 4px 16px rgba(255,215,0,0.3); }
.action-btn.primary:disabled { background:linear-gradient(135deg,#333,#444); color:#666; cursor:not-allowed; box-shadow:none; }
.action-btn.secondary { background:rgba(255,255,255,0.05); color:rgba(255,255,255,0.6); border:1px solid rgba(255,255,255,0.1); }
.action-btn:hover:not(:disabled) { transform:translateY(-2px); box-shadow:0 6px 20px rgba(255,215,0,0.4); }
.action-btn:active:not(:disabled) { transform:translateY(0); }
.action-bar { text-align:center; margin-top:24px; }
.share-btn { width:100%; margin-top:14px; }

/* ==================== 底部 ==================== */
.app-footer { text-align:center; padding:28px 0; font-size:0.7rem; color:rgba(255,255,255,0.25); line-height:2; }

/* ==================== Toast提示 ==================== */
.toast-msg { position:fixed; top:20px; left:50%; transform:translateX(-50%) translateY(-80px); padding:12px 24px; border-radius:12px; font-size:0.82rem; font-weight:600; z-index:9999; opacity:0; transition:all 0.35s cubic-bezier(0.4,0,0.2,1); pointer-events:none; backdrop-filter:blur(12px); box-shadow:0 8px 32px rgba(0,0,0,0.4); white-space:nowrap; }
.toast-msg.toast-show { opacity:1; transform:translateX(-50%) translateY(0); }
.toast-info { background:rgba(30,60,120,0.9); color:#eee; border:1px solid rgba(100,180,255,0.3); }
.toast-success { background:rgba(0,80,40,0.9); color:#00E676; border:1px solid rgba(0,200,83,0.3); }

/* ==================== 响应式 ==================== */
@media (max-width:768px) {
    .app-container { padding:14px 10px 36px; }
    .app-title { font-size:1.5rem; letter-spacing:1px; }
    .trophy-icon { font-size:44px; }
    .rules-card { padding:14px 14px; }
    .rules-card ul { font-size:0.78rem; line-height:1.9; }
    .stats-card { gap:6px; }
    .stat-item { padding:10px 4px; }
    .stat-value { font-size:1.1rem; }
    .group-tabs { gap:4px; }
    .group-tab { padding:6px 9px; font-size:0.72rem; }
    .match-side { padding:8px 8px; gap:4px; }
    .mf { font-size:1.2rem; }
    .mn { font-size:0.78rem; }
    /* bracket手机适� */
    .bracket-container { padding:4px 0; -webkit-overflow-scrolling:touch; }
    .bracket-wrapper { min-width:680px; }
    .bracket-round { min-width:75px; }
    .bracket-team { padding:3px 4px; min-height:22px; gap:2px; }
    .bt-flag { font-size:0.85rem; }
    .bt-name { max-width:38px; font-size:0.55rem; }
    .bracket-match { margin:2px 2px; padding:1px; }
    .bracket-center { flex:0 0 140px; }
    .final-match { padding:6px; }
    .final-label { font-size:0.7rem; }
    .ko-header { margin-bottom:12px; }
    .ko-title { font-size:1rem; }
    /* 滚动提示 */
    .bracket-container::after { content:'← 左右滑动查看完整对阵图 →'; display:block; text-align:center; font-size:0.65rem; color:rgba(255,255,255,0.3); padding:8px 0 0; }
}
@media (max-width:480px) {
    .app-container { padding:12px 8px 30px; }
    .app-title { font-size:1.3rem; }
    .app-subtitle { font-size:0.75rem;}
    .stats-card { flex-wrap:wrap; gap:5px; }
    .stat-item { min-width:calc(33% - 4px); padding:8px 4px; }
    .stat-label { font-size:0.6rem; }
    .match-card { padding:10px 10px; margin-bottom:8px; }
    .match-row { gap:4px; }
    .match-side { padding:7px 6px; border-radius:8px; }
    .match-draw { padding:7px 10px; }
    .mn { font-size:0.72rem; }
    .mf { font-size:1.05rem; }
    .rb { font-size:0.6rem; padding:2px 6px; }
    .standings-table { font-size:0.72rem; }
    .standings-table th { padding:4px 4px; font-size:0.6rem; }
    .standings-table td { padding:6px 3px; }
    .qualification-info { font-size:0.7rem; padding:10px 10px; }
    .progress-card { padding:10px 12px; }
    .action-btn { padding:12px 18px; font-size:0.8rem; }
    /* bracket更紧凑 */
    .bracket-wrapper { min-width:600px; }
    .bracket-round { min-width:65px; gap:2px; }
    .bracket-team { padding:2px 3px; min-height:20px; }
    .bt-flag { font-size:0.78rem; }
    .bt-name { max-width:32px; font-size:0.5rem; }
    .bracket-center { flex:0 0 110px; }
    .champ-crown { font-size:1rem; }
    .champ-flag { font-size:1.3rem; }
    .champ-text { font-size:0.75rem; }
    /* 结果页 */
    .champ-flag-big { font-size:56px; }
    .champ-name-big { font-size:1.4rem; }
    .path-item { padding:8px 10px; gap:10px; }
    .path-round { font-size:0.7rem; min-width:44px; }
    .path-detail { font-size:0.78rem; }
}