:root{--bg: #13151d;--bg2: #1a1d28;--bg3: #242838;--border: rgba(165,185,225,.1);--border2: rgba(165,185,225,.17);--text: #e7e9f2;--muted: #9095a8;--dim: #565c73;--accent: #6f8cf0;--accent2: #9db4ff;--green: #5ad6a0;--green-bg: rgba(90,214,160,.1);--red: #f0808a;--red-bg: rgba(240,128,138,.1);--amber: #ecc06a;--amber-bg: rgba(236,192,106,.1);--blue: #6fa8ff;--blue-bg: rgba(111,168,255,.1);--coral: #fb7185;--teal: #34d3bf;--radius: 16px;--radius-sm: 10px;--font-display: "Syne", sans-serif;--font-body: "DM Sans", sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{background:radial-gradient(1100px 720px at 50% -12%,#1c2030 0%,transparent 60%),var(--bg);background-attachment:fixed;color:var(--text);font-family:var(--font-body);min-height:100vh;overflow-x:hidden}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border2);border-radius:4px}button{cursor:pointer;font-family:var(--font-body)}@keyframes dotPulse{0%,80%,to{opacity:.2;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes hud-in{0%{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes hud-blink{0%,to{opacity:1}50%{opacity:.3}}@keyframes hud-scan{0%{transform:translateY(-40px)}to{transform:translateY(86vh)}}.hud{position:relative;display:flex;flex-direction:column;width:min(560px,92vw);max-height:82vh;border-radius:14px;border:1px solid rgba(120,180,255,.18);background:linear-gradient(180deg,#0d1422eb,#080c16f2);box-shadow:0 24px 70px #0000008c,0 0 0 1px #78b4ff0a,0 0 46px #38a0ff1f;backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);overflow:hidden;animation:hud-in .26s cubic-bezier(.2,.7,.2,1)}.hud:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(rgba(120,180,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(120,180,255,.05) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(130% 90% at 50% 0%,#000 35%,transparent 72%);mask-image:radial-gradient(130% 90% at 50% 0%,#000 35%,transparent 72%);pointer-events:none}.hud:after{content:"";position:absolute;left:0;right:0;top:0;height:40px;background:linear-gradient(180deg,transparent,rgba(56,189,248,.1),transparent);animation:hud-scan 7s linear infinite;pointer-events:none}.hud-corner{position:absolute;width:14px;height:14px;border:1.5px solid rgba(56,189,248,.7);z-index:2;pointer-events:none}.hud-corner.tl{top:9px;left:9px;border-right:none;border-bottom:none;border-top-left-radius:5px}.hud-corner.tr{top:9px;right:9px;border-left:none;border-bottom:none;border-top-right-radius:5px}.hud-corner.bl{bottom:9px;left:9px;border-right:none;border-top:none;border-bottom-left-radius:5px}.hud-corner.br{bottom:9px;right:9px;border-left:none;border-top:none;border-bottom-right-radius:5px}.hud-head{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:20px 22px 0}.hud-id{display:flex;align-items:center;gap:9px}.hud-emoji{font-size:15px;filter:drop-shadow(0 0 5px rgba(56,189,248,.55))}.hud-label{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;font-weight:600;letter-spacing:3px;text-transform:uppercase;color:#bfe3ff}.hud-dot{width:6px;height:6px;border-radius:50%;background:#38bdf8;box-shadow:0 0 8px #38bdf8;animation:hud-blink 2s ease-in-out infinite}.hud-close{width:30px;height:30px;display:grid;place-items:center;border-radius:8px;border:1px solid rgba(120,180,255,.25);background:#78b4ff0f;color:#bfe3ff;font-size:13px;cursor:pointer;transition:background .15s,border-color .15s,transform .15s}.hud-close:hover{background:#38bdf82e;border-color:#38bdf880;transform:scale(1.05)}.hud-close:focus-visible{outline:2px solid #7cc2ff;outline-offset:2px}.hud-divider{position:relative;z-index:1;height:1px;margin:14px 22px 0;background:linear-gradient(90deg,#38bdf88c,#38bdf80f)}.hud-tick{position:absolute;left:0;top:-2px;width:32px;height:5px;border-radius:2px;background:#38bdf8;box-shadow:0 0 8px #38bdf8}.hud-body{position:relative;z-index:1;padding:16px 22px 6px;overflow-y:auto;color:#dfe9f7;font-size:15px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.hud-body::-webkit-scrollbar{width:5px}.hud-body::-webkit-scrollbar-track{background:transparent}.hud-body::-webkit-scrollbar-thumb{background:#78b4ff47;border-radius:4px}.hud-body img{display:block;max-width:100%;margin-top:10px;border-radius:8px;border:1px solid rgba(120,180,255,.18)}.hud-foot{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;padding:12px 22px 18px}.hud-bars{display:flex;gap:3px}.hud-bars i{width:13px;height:4px;border-radius:1px;background:#78b4ff2e}.hud-bars i:nth-child(-n+3){background:#38bdf8;box-shadow:0 0 6px #38bdf8b3}.hud-meta{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:10px;letter-spacing:1.5px;text-transform:uppercase;color:#96beeb99}@media (prefers-reduced-motion: reduce){.hud{animation:none}.hud:after{animation:none;display:none}.hud-dot{animation:none}.hud-close{transition:none}}@media (max-width: 640px){.hud-head{padding:16px 16px 0}.hud-divider{margin:12px 16px 0}.hud-body{padding:14px 16px 6px;font-size:14px}.hud-foot{padding:12px 16px 16px}}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;background:var(--accent);color:#fff;border:none;border-radius:10px;font-family:var(--font-display);font-size:14px;font-weight:600;cursor:pointer;transition:background .2s,transform .15s}.btn-primary:hover{background:var(--accent2);transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:13px 20px;background:transparent;color:var(--muted);border:1px solid var(--border);border-radius:10px;font-size:14px;cursor:pointer;transition:color .2s,border-color .2s}.btn-secondary:hover{color:var(--text);border-color:var(--border2)}.tag{font-size:11px;padding:3px 8px;border-radius:20px;font-weight:500}.tag-pos{background:var(--green-bg);color:var(--green);border:1px solid rgba(74,222,128,.15)}.tag-neg{background:var(--red-bg);color:var(--red);border:1px solid rgba(248,113,113,.15)}.tag-neutral{background:var(--bg3);color:var(--muted);border:1px solid var(--border)}.pulse{animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes waveBar1{0%,to{height:6px}50%{height:28px}}@keyframes waveBar2{0%,to{height:10px}50%{height:22px}}@keyframes waveBar3{0%,to{height:16px}50%{height:32px}}@keyframes waveBar4{0%,to{height:8px}50%{height:20px}}@keyframes waveBar5{0%,to{height:12px}50%{height:26px}}.nav-shell{justify-content:space-between}.nav-tabs-wrap{display:flex}.rsp-view{padding:28px;max-width:860px;margin:0 auto}.rsp-grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:28px}.rsp-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:24px}.rsp-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.rsp-score-card{display:grid;grid-template-columns:1fr auto;align-items:center;gap:20px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;margin-bottom:16px}.dd-chat-root{display:flex;flex-direction:column;height:calc(100vh - 80px)}.dd-header{display:flex;align-items:flex-start;gap:10px;padding:16px 28px 12px;flex-wrap:wrap;border-bottom:1px solid var(--border)}.dd-body{flex:1;overflow-y:auto;padding:20px 28px;display:flex;flex-direction:column;gap:16px}.dd-status{border-top:1px solid var(--border);padding:12px 28px;display:flex;align-items:center;gap:10px}.dd-summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 640px){.hide-mobile{display:none!important}.rsp-view{padding:14px 12px}.rsp-grid-4{grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:16px}.rsp-grid-3{gap:8px;margin-bottom:14px}.rsp-grid-2,.rsp-score-card{grid-template-columns:1fr}.nav-shell{flex-wrap:wrap!important;padding:10px 14px 0!important}.nav-logo{order:0}.nav-streak-badge{order:1}.nav-tabs-wrap{order:2;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:10px}.nav-tabs-wrap::-webkit-scrollbar{display:none}.nav-streak-label{display:none}.nav-tabs-wrap button{padding:6px 10px!important;font-size:12px!important}.overlay-header{flex-wrap:wrap!important;gap:4px 0!important}.overlay-timer{font-size:22px!important;align-self:flex-end;margin-left:auto}.overlay-actions{flex-direction:column!important;align-items:stretch!important;gap:10px!important}.overlay-btns{width:100%}.overlay-btns button{flex:1}.eng-practice-card{flex-direction:column!important;align-items:flex-start!important}.eng-start-btn{width:100%!important;justify-content:center}.eng-session-row{flex-wrap:wrap!important;gap:8px!important}.eng-session-chips{flex-wrap:wrap;gap:6px!important}.dd-chat-root{height:calc(100vh - 95px)}.dd-header{padding:12px 14px 10px;gap:8px}.dd-body{padding:12px;gap:12px}.dd-status{padding:10px 14px}.dd-summary-grid{grid-template-columns:1fr}.dd-end-btn{padding:7px 12px!important;font-size:12px!important}.rsp-overlay{padding:0!important;align-items:flex-end!important}.rsp-modal{border-radius:20px 20px 0 0!important;max-height:95vh!important;padding:20px 16px!important}}