:root{--bg: #0a0a0f;--bg2: #12121a;--bg3: #1a1a26;--border: rgba(255,255,255,.07);--border2: rgba(255,255,255,.12);--text: #e8e8f0;--muted: #7a7a9a;--dim: #4a4a6a;--accent: #7c6af7;--accent2: #a78bfa;--green: #4ade80;--green-bg: rgba(74,222,128,.08);--red: #f87171;--red-bg: rgba(248,113,113,.08);--amber: #fbbf24;--amber-bg: rgba(251,191,36,.08);--blue: #60a5fa;--blue-bg: rgba(96,165,250,.08);--coral: #fb7185;--teal: #2dd4bf;--radius: 14px;--radius-sm: 8px;--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:var(--bg);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}}.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}}