/* ===== Competition Arena CSS ===== */
.qca-wrap{--qca-primary:#6366f1;--qca-primary-dark:#4f46e5;--qca-success:#10b981;--qca-danger:#ef4444;--qca-warning:#f59e0b;--qca-bg:#f8fafc;--qca-card:#fff;--qca-border:#e2e8f0;--qca-text:#1e293b;--qca-text2:#64748b;--qca-radius:16px;--qca-shadow:0 1px 3px rgba(0,0,0,.08),0 4px 12px rgba(0,0,0,.04);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--qca-text);max-width:1200px;margin:0 auto;padding:0 16px}
.qca-wrap *,.qca-wrap *::before,.qca-wrap *::after{box-sizing:border-box}

/* Header */
.qca-header{position:relative;border-radius:var(--qca-radius);overflow:hidden;margin-bottom:20px}
.qca-header-bg{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;background:linear-gradient(135deg,#6366f1 0%,#8b5cf6 50%,#a78bfa 100%);z-index:0}
.qca-header-content{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:28px 32px;color:#fff}
.qca-header-left{display:flex;align-items:center;gap:16px}
.qca-logo{width:56px;height:56px;border-radius:16px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;font-size:28px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.qca-header h1{font-size:24px;font-weight:700;margin:0 0 4px}
.qca-header p{font-size:14px;margin:0;opacity:.85}
.qca-header-right{display:flex;align-items:center;gap:12px}
.qca-rank-badge{display:flex;align-items:center;gap:10px;padding:10px 18px;border-radius:12px;border:2px solid;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.qca-rank-icon{font-size:28px}
.qca-rank-text{display:flex;flex-direction:column}
.qca-rank-title{font-size:14px;font-weight:700}
.qca-rank-elo{font-size:12px;opacity:.8}

/* Nav */
.qca-nav{display:flex;gap:6px;margin-bottom:16px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
.qca-nav::-webkit-scrollbar{display:none}
.qca-nav-btn{display:flex;align-items:center;gap:6px;padding:10px 18px;border:none;border-radius:12px;background:var(--qca-card);color:var(--qca-text2);font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;transition:all .2s;box-shadow:var(--qca-shadow)}
.qca-nav-btn:hover{background:#f1f5f9;color:var(--qca-text)}
.qca-nav-btn.active{background:var(--qca-primary);color:#fff;box-shadow:0 4px 12px rgba(99,102,241,.35)}
.qca-nav-icon{font-size:16px}

/* Stats Bar */
.qca-stats-bar{display:flex;gap:8px;margin-bottom:20px;flex-wrap:wrap}
.qca-stat-pill{display:flex;flex-direction:column;align-items:center;padding:10px 20px;background:var(--qca-card);border-radius:12px;box-shadow:var(--qca-shadow);min-width:80px}
.qca-stat-val{font-size:20px;font-weight:700;color:var(--qca-primary)}
.qca-stat-lbl{font-size:11px;color:var(--qca-text2);text-transform:uppercase;letter-spacing:.5px}

/* Cards */
.qca-card{background:var(--qca-card);border-radius:var(--qca-radius);box-shadow:var(--qca-shadow);overflow:hidden;margin-bottom:0}
.qca-card-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--qca-border)}
.qca-card-head h3{font-size:16px;font-weight:700;margin:0;display:flex;align-items:center;gap:8px}
.qca-card-body{padding:20px 24px}

/* Grid */
.qca-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media(max-width:768px){.qca-grid-2{grid-template-columns:1fr}}

/* Panels */
.qca-panels{min-height:400px}
.qca-panel{display:none}
.qca-panel.active{display:block}

/* Quick Actions */
.qca-quick-actions{display:flex;flex-direction:column;gap:12px}
.qca-action-btn{display:flex;align-items:center;gap:16px;padding:16px 20px;border:2px solid var(--qca-border);border-radius:12px;background:var(--qca-card);cursor:pointer;text-align:left;transition:all .2s}
.qca-action-btn:hover{border-color:var(--qca-primary);background:#f5f3ff}
.qca-action-btn.qca-action-primary{border-color:var(--qca-primary);background:#f5f3ff}
.qca-action-icon{font-size:32px}
.qca-action-btn strong{display:block;font-size:15px;color:var(--qca-text)}
.qca-action-btn p{margin:2px 0 0;font-size:12px;color:var(--qca-text2)}

/* Online Users */
.qca-online-dot{width:8px;height:8px;border-radius:50%;background:var(--qca-success);display:inline-block;animation:qca-pulse 2s infinite}
@keyframes qca-pulse{0%,100%{opacity:1}50%{opacity:.4}}
.qca-online-count{font-size:13px;color:var(--qca-text2);margin-left:8px}
.qca-online-scroll{max-height:360px;overflow-y:auto}
.qca-online-user{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;transition:background .15s}
.qca-online-user:hover{background:#f8fafc}
.qca-online-avatar{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,#6366f1,#a78bfa);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0}
.qca-online-avatar-self{background:linear-gradient(135deg,#6366f1,#4f46e5)}
.qca-online-info{flex:1;min-width:0}
.qca-online-name{display:block;font-size:13px;font-weight:600;color:var(--qca-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.qca-online-status{display:block;font-size:11px;color:var(--qca-text2)}
.qca-you-tag{background:#eef2ff;color:#6366f1;padding:1px 6px;border-radius:4px;font-size:10px;font-weight:700;margin-left:4px}
.qca-btn-challenge{padding:6px 14px;border:2px solid var(--qca-primary);border-radius:8px;background:transparent;color:var(--qca-primary);font-weight:700;font-size:13px;cursor:pointer;transition:all .2s}
.qca-btn-challenge:hover{background:var(--qca-primary);color:#fff}

/* Match Cards */
.qca-matches-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}
.qca-match-card{padding:16px;border:1px solid var(--qca-border);border-radius:12px;border-left:4px solid var(--accent,#6366f1);transition:box-shadow .2s}
.qca-match-card:hover{box-shadow:var(--qca-shadow)}
.qca-match-status{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.qca-match-vs{display:flex;align-items:center;justify-content:space-between;font-size:13px;font-weight:600;margin-bottom:8px}
.qca-match-vs-text{color:var(--qca-text2);font-size:11px;font-weight:700}
.qca-match-meta{text-align:center}
.qca-match-score{font-size:18px;font-weight:700;color:var(--qca-primary)}
.qca-match-code{font-family:monospace;font-size:14px;letter-spacing:2px;color:var(--qca-text2)}

/* Matchmaking */
.qca-matchmaking-card .qca-card-body{display:flex;flex-direction:column;align-items:center}
.qca-mm-settings{width:100%;max-width:480px;margin-bottom:24px}
.qca-searching-animation{text-align:center;padding:40px 0}
.qca-searching-spinner{width:60px;height:60px;border:4px solid var(--qca-border);border-top-color:var(--qca-primary);border-radius:50%;margin:0 auto 20px;animation:qca-spin 1s linear infinite}
@keyframes qca-spin{to{transform:rotate(360deg)}}
.qca-searching-animation h3{font-size:20px;margin:0 0 8px}
.qca-searching-animation p{color:var(--qca-text2);margin:0 0 16px}
.qca-searching-timer{font-size:32px;font-weight:700;color:var(--qca-primary);font-variant-numeric:tabular-nums}
.qca-match-found-animation{text-align:center;padding:30px 0}
.qca-match-found-animation h3{font-size:24px;margin:0 0 24px}
.qca-match-found-players{display:flex;align-items:center;justify-content:center;gap:24px;margin-bottom:20px}
.qca-mf-player{display:flex;flex-direction:column;align-items:center;gap:8px}
.qca-mf-avatar{width:64px;height:64px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#a78bfa);color:#fff;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700}
.qca-mf-vs{font-size:24px;font-weight:900;color:var(--qca-text2)}
.qca-mf-elo{font-size:12px;color:var(--qca-text2)}
.qca-mf-player span:nth-child(2){font-weight:700;font-size:16px}
.qca-no-result-animation{text-align:center;padding:40px 0}
.qca-no-result-icon{font-size:48px;margin-bottom:16px}
.qca-no-result-animation h3{font-size:20px;margin:0 0 8px;color:var(--qca-text)}
.qca-no-result-animation p{color:var(--qca-text2);margin:0 0 24px;max-width:400px;margin-left:auto;margin-right:auto}
.qca-no-result-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Rooms */
.qca-code-input{font-size:24px !important;text-align:center;letter-spacing:6px;text-transform:uppercase}
.qca-code-input-wrap{display:flex;justify-content:center}
.qca-room-code-display{font-size:48px;font-weight:900;letter-spacing:12px;color:var(--qca-primary);padding:20px;text-align:center;font-family:'Courier New',monospace}
.qca-waiting-dots{margin-top:20px;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--qca-text2)}
.qca-dots span{animation:qca-dot-blink 1.4s infinite both;font-size:24px}
.qca-dots span:nth-child(2){animation-delay:.2s}
.qca-dots span:nth-child(3){animation-delay:.4s}
@keyframes qca-dot-blink{0%,80%,100%{opacity:0}40%{opacity:1}}
.qca-rooms-list{display:flex;flex-direction:column;gap:8px}
.qca-room-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#f8fafc;border-radius:10px}
.qca-room-item-left{display:flex;align-items:center;gap:12px}
.qca-room-code-badge{font-family:monospace;font-weight:700;font-size:14px;letter-spacing:2px;background:#eef2ff;color:var(--qca-primary);padding:4px 10px;border-radius:6px}
.qca-room-names{font-size:13px;color:var(--qca-text)}
.qca-room-status{font-size:12px;font-weight:600;text-transform:capitalize}

/* Tournaments */
.qca-tournaments-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.qca-tournament-card{border:1px solid var(--qca-border);border-radius:12px;overflow:hidden;transition:box-shadow .2s}
.qca-tournament-card:hover{box-shadow:var(--qca-shadow)}
.qca-tc-head{padding:16px;border-left:4px solid;display:flex;align-items:center;justify-content:space-between}
.qca-tc-head h4{margin:0;font-size:16px}
.qca-tc-status{font-size:12px;font-weight:700;text-transform:uppercase}
.qca-tc-meta{display:flex;gap:16px;padding:12px 16px;font-size:12px;color:var(--qca-text2);border-top:1px solid var(--qca-border)}
.qca-tc-actions{padding:12px 16px;display:flex;gap:8px;border-top:1px solid var(--qca-border)}

/* Leaderboard */
.qca-lb-table{width:100%;border-collapse:collapse}
.qca-lb-table th{text-align:left;padding:10px 12px;font-size:12px;font-weight:700;color:var(--qca-text2);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--qca-border)}
.qca-lb-table td{padding:10px 12px;font-size:14px;border-bottom:1px solid #f1f5f9}
.qca-lb-table tr:hover{background:#f8fafc}
.qca-lb-me{background:#f5f3ff !important}
.qca-lb-pos{font-weight:700;color:var(--qca-text2);width:40px}
.qca-lb-name{font-weight:600}
.qca-lb-elo{font-weight:700;color:var(--qca-primary)}
.qca-lb-w{color:var(--qca-success);font-weight:600}
.qca-lb-l{color:var(--qca-danger);font-weight:600}
.qca-lb-wr{color:var(--qca-text2)}

/* Profile */
.qca-profile-header{display:flex;align-items:center;gap:20px;margin-bottom:20px}
.qca-profile-avatar{width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:700}
.qca-profile-rank{display:block;font-size:16px;font-weight:700}
.qca-profile-pos{display:block;font-size:13px;color:var(--qca-text2)}
.qca-elo-bar{position:relative;height:24px;background:#f1f5f9;border-radius:12px;overflow:hidden;margin-bottom:20px}
.qca-elo-bar-fill{height:100%;border-radius:12px;transition:width .8s ease}
.qca-elo-bar-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:11px;font-weight:700;color:var(--qca-text);z-index:1}
.qca-profile-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;text-align:center}
.qca-ps{display:flex;flex-direction:column;gap:4px;padding:12px;background:#f8fafc;border-radius:10px}
.qca-ps-val{font-size:24px;font-weight:700}
.qca-ps-win{color:var(--qca-success)}
.qca-ps-loss{color:var(--qca-danger)}
.qca-ps-draw{color:var(--qca-warning)}
.qca-ps span:last-child{font-size:11px;color:var(--qca-text2);text-transform:uppercase;letter-spacing:.5px}

/* Badges */
.qca-badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}
.qca-badge-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 8px;background:#f8fafc;border-radius:12px;text-align:center}
.qca-badge-icon{font-size:32px}
.qca-badge-name{font-size:11px;font-weight:700;color:var(--qca-text);text-transform:uppercase;letter-spacing:.5px}

/* Forms */
.qca-field{margin-bottom:14px}
.qca-field label{display:block;font-size:13px;font-weight:600;color:var(--qca-text);margin-bottom:6px}
.qca-field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.qca-select,.qca-input{width:100%;padding:10px 14px;border:2px solid var(--qca-border);border-radius:10px;font-size:14px;background:var(--qca-card);color:var(--qca-text);transition:border-color .2s;-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}
.qca-select:focus,.qca-input:focus{outline:none;border-color:var(--qca-primary)}
.qca-chk-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}
.qca-chk{display:flex;align-items:center;gap:6px;font-size:13px;cursor:pointer}
.qca-chk input{accent-color:var(--qca-primary)}
.qca-mm-hint{font-size:12px;color:var(--qca-muted);margin:0 0 12px;padding:8px 12px;background:var(--qca-bg);border-radius:8px;border-left:3px solid var(--qca-primary)}

/* Buttons */
.qca-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border:2px solid var(--qca-border);border-radius:10px;background:var(--qca-card);color:var(--qca-text);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s}
.qca-btn:hover{background:#f1f5f9}
.qca-btn-primary{background:var(--qca-primary);color:#fff;border-color:var(--qca-primary)}
.qca-btn-primary:hover{background:var(--qca-primary-dark)}
.qca-btn-success{background:var(--qca-success);color:#fff;border-color:var(--qca-success)}
.qca-btn-danger{background:var(--qca-danger);color:#fff;border-color:var(--qca-danger)}
.qca-btn-outline{background:transparent;border-color:var(--qca-primary);color:var(--qca-primary)}
.qca-btn-lg{padding:14px 32px;font-size:16px;border-radius:14px}
.qca-btn-sm{padding:6px 14px;font-size:12px;border-radius:8px}
.qca-btn-block{width:100%}

/* Tab Group */
.qca-tab-group{display:flex;gap:4px;background:#f1f5f9;padding:4px;border-radius:10px}
.qca-tab{padding:6px 14px;border:none;border-radius:8px;background:transparent;color:var(--qca-text2);font-size:12px;font-weight:600;cursor:pointer;transition:all .2s}
.qca-tab.active{background:var(--qca-card);color:var(--qca-text);box-shadow:0 1px 3px rgba(0,0,0,.1)}

/* Modal */
.qca-modal{position:fixed;top:0;right:0;bottom:0;left:0;inset:0;z-index:99999;display:flex;align-items:center;justify-content:center;padding:20px}
.qca-modal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;inset:0;background:rgba(0,0,0,.5);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}
.qca-modal-box{position:relative;z-index:1;background:var(--qca-card);border-radius:var(--qca-radius);box-shadow:0 20px 60px rgba(0,0,0,.2);width:100%;max-width:480px;max-height:90vh;overflow-y:auto}
.qca-modal-lg{max-width:600px}
.qca-modal-head{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--qca-border)}
.qca-modal-head h3{margin:0;font-size:18px}
.qca-modal-close{background:none;border:none;font-size:24px;cursor:pointer;color:var(--qca-text2);padding:4px}
.qca-modal-body{padding:24px}
.qca-modal-foot{padding:16px 24px;border-top:1px solid var(--qca-border);display:flex;gap:10px;justify-content:flex-end}

/* Toast */
.qca-toast-container{position:fixed;top:20px;right:20px;z-index:999999;display:flex;flex-direction:column;gap:8px}
.qca-toast{padding:12px 20px;border-radius:10px;font-size:14px;font-weight:600;color:#fff;transform:translateX(120%);transition:transform .3s ease;box-shadow:0 8px 24px rgba(0,0,0,.15)}
.qca-toast-show{transform:translateX(0)}
.qca-toast-success{background:#10b981}
.qca-toast-error{background:#ef4444}
.qca-toast-info{background:#6366f1}
.qca-toast-warning{background:#f59e0b}

/* Loading */
.qca-loading{text-align:center;padding:40px;color:var(--qca-text2)}
.qca-empty-small{text-align:center;padding:24px;color:var(--qca-text2);font-size:14px}

/* Responsive */
@media(max-width:600px){
    .qca-header-content{flex-direction:column;gap:16px;text-align:center}
    .qca-header-left{flex-direction:column}
    .qca-nav{gap:4px}
    .qca-nav-btn{padding:8px 14px;font-size:13px}
    .qca-stats-bar{justify-content:center}
    .qca-match-found-players{flex-direction:column;gap:12px}
    .qca-profile-stats{grid-template-columns:repeat(2,1fr)}
    .qca-field-row{grid-template-columns:1fr}
    .qca-tournaments-grid{grid-template-columns:1fr}
    .qca-matches-grid{grid-template-columns:1fr}
    .qca-room-code-display{font-size:32px;letter-spacing:8px}
}