:root{--bg-primary: #090D16;--bg-secondary: #0F172A;--bg-card: rgba(15, 23, 42, .75);--bg-card-hover: rgba(30, 41, 59, .85);--border-subtle: rgba(255, 255, 255, .08);--border-focus: rgba(56, 189, 248, .4);--text-primary: #F8FAFC;--text-secondary: #94A3B8;--text-muted: #64748B;--accent-cyan: #38BDF8;--accent-cyan-glow: rgba(56, 189, 248, .25);--accent-emerald: #10B981;--accent-emerald-glow: rgba(16, 185, 129, .25);--accent-amber: #F59E0B;--accent-rose: #F43F5E;--accent-purple: #8B5CF6;--font-sans: "Plus Jakarta Sans", "Tajawal", sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--radius-xl: 28px;--shadow-card: 0 10px 30px -10px rgba(0, 0, 0, .5);--shadow-glow: 0 0 35px -5px var(--accent-cyan-glow)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-sans);min-height:100vh;overflow-x:hidden;background-image:radial-gradient(circle at 15% 15%,rgba(56,189,248,.07) 0%,transparent 40%),radial-gradient(circle at 85% 85%,rgba(139,92,246,.07) 0%,transparent 40%);background-attachment:fixed}.glass-panel{background:var(--bg-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);transition:all .3s cubic-bezier(.16,1,.3,1)}.glass-panel:hover{border-color:#ffffff26}.navbar{display:flex;align-items:center;justify-content:space-between;padding:18px 32px;border-bottom:1px solid var(--border-subtle);background:#090d16d9;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);position:sticky;top:0;z-index:100}.nav-brand{display:flex;align-items:center;gap:14px}.brand-icon{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#0284c7,#38bdf8);display:flex;align-items:center;justify-content:center;box-shadow:0 0 20px #38bdf866}.brand-title{font-size:1.15rem;font-weight:800;background:linear-gradient(to right,#fff,#93c5fd);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.02em}.brand-subtitle{font-size:.78rem;color:var(--text-muted);font-weight:500}.nav-tabs{display:flex;align-items:center;gap:8px;background:#0f172a99;padding:6px;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.nav-tab-btn{display:flex;align-items:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);background:transparent;border:none;color:var(--text-secondary);font-size:.88rem;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s ease}.nav-tab-btn:hover{color:var(--text-primary);background:#ffffff0a}.nav-tab-btn.active{color:#fff;background:linear-gradient(135deg,#0284c7,#0369a1);box-shadow:0 4px 14px #0284c759}.main-content{max-width:1400px;margin:0 auto;padding:32px 24px 60px}.gauges-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:28px}.gauge-card{padding:20px;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;overflow:hidden}.gauge-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--card-accent, var(--accent-cyan))}.gauge-circle-container{width:90px;height:90px;position:relative;margin:12px 0 10px}.gauge-circle-svg{transform:rotate(-90deg);width:100%;height:100%}.gauge-val-text{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1.4rem;font-weight:800;color:var(--text-primary)}.gauge-title{font-size:.88rem;font-weight:700;color:var(--text-primary);margin-bottom:4px}.gauge-desc{font-size:.75rem;color:var(--text-muted)}.studio-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}@media(max-width:1024px){.studio-grid{grid-template-columns:1fr}}.waveform-box{padding:24px;display:flex;flex-direction:column;gap:18px}.wavesurfer-canvas{background:#030712b3;border-radius:var(--radius-md);border:1px solid var(--border-subtle);overflow:hidden;position:relative}.word-tokens-container{display:flex;flex-wrap:wrap;gap:12px;padding:16px;background:#02061780;border-radius:var(--radius-md);border:1px solid var(--border-subtle);direction:ltr}.word-token-card{display:flex;flex-direction:column;align-items:center;padding:8px 12px;background:#1e293b99;border-radius:var(--radius-sm);border:1px solid transparent;transition:all .2s ease;cursor:pointer}.word-token-card:hover{transform:translateY(-2px);border-color:var(--accent-cyan)}.word-token-text{font-size:1.05rem;font-weight:700;color:var(--text-primary)}.phonemes-row{display:flex;gap:4px;margin-top:6px}.phone-badge{font-size:.75rem;padding:2px 6px;border-radius:4px;font-weight:700;font-family:monospace}.phone-score-good{background:#10b98133;color:#34d399;border:1px solid rgba(16,185,129,.4)}.phone-score-warn{background:#f59e0b33;color:#fbbf24;border:1px solid rgba(245,158,11,.4)}.phone-score-error{background:#f43f5e40;color:#fb7185;border:1px solid rgba(244,63,94,.5);animation:pulse-danger 2s infinite}@keyframes pulse-danger{0%,to{box-shadow:0 0 #f43f5e00}50%{box-shadow:0 0 12px #f43f5e66}}.controls-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#0f172ae6;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.record-btn-main{display:flex;align-items:center;gap:10px;padding:12px 28px;border-radius:var(--radius-md);border:none;font-weight:800;font-size:.95rem;cursor:pointer;color:#fff;background:linear-gradient(135deg,#e11d48,#be123c);box-shadow:0 4px 20px #e11d4866;transition:all .2s cubic-bezier(.16,1,.3,1)}.record-btn-main.recording{background:linear-gradient(135deg,#10b981,#059669);box-shadow:0 4px 20px #10b98166;animation:pulse-btn 1.5s infinite}@keyframes pulse-btn{0%,to{transform:scale(1)}50%{transform:scale(1.03)}}.vocal-tract-box{padding:24px;display:flex;flex-direction:column;gap:16px}.vocal-tract-svg{width:100%;height:280px;background:#03071280;border-radius:var(--radius-md);border:1px solid var(--border-subtle)}.feedback-card{padding:14px 18px;border-radius:var(--radius-sm);background:#38bdf814;border-right:4px solid var(--accent-cyan);display:flex;align-items:flex-start;gap:12px}.turns-list{display:flex;flex-direction:column;gap:16px;max-height:480px;overflow-y:auto;padding-left:6px}.turn-bubble{padding:16px 20px;border-radius:var(--radius-md);border:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:8px}.turn-bubble.ai{background:#1e293b80;border-right:4px solid var(--accent-cyan);align-self:flex-start;width:90%}.turn-bubble.user{background:#0f172ad9;border-right:4px solid var(--accent-emerald);align-self:flex-end;width:95%}.turn-header{display:flex;justify-content:space-between;align-items:center}.turn-speaker-badge{font-size:.78rem;font-weight:700;color:var(--text-secondary)}.turn-score-pill{font-size:.75rem;font-weight:800;padding:2px 8px;border-radius:12px}.turn-text-en{font-size:1.05rem;font-weight:600;color:var(--text-primary);direction:ltr;text-align:left}.pairs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}.pair-card{padding:18px;border-radius:var(--radius-md);background:#0f172ab3;border:1px solid var(--border-subtle);display:flex;flex-direction:column;gap:12px}.pair-words-row{display:flex;align-items:center;justify-content:space-around;direction:ltr}.pair-word-item{display:flex;flex-direction:column;align-items:center;gap:4px}.pair-btn-audio{padding:8px 16px;border-radius:var(--radius-sm);border:1px solid var(--border-subtle);background:#1e293bcc;color:var(--text-primary);font-weight:700;font-size:.95rem;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}.pair-btn-audio:hover{background:var(--accent-cyan);color:#000}.mobile-bottom-nav,.mobile-only-nav{display:none!important}@media(max-width:1024px),(max-height:600px){.mobile-only-nav{display:flex!important;justify-content:center!important;align-items:center!important;left:0!important;right:0!important;width:100%!important;margin:0 auto!important}.navbar .nav-tabs{display:none!important}.main-content{padding:10px 8px 86px!important}.glass-panel{padding:14px!important;border-radius:14px!important}.mobile-bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;width:100%;height:60px;background:#0f172af5;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid rgba(255,255,255,.1);z-index:999;align-items:center;justify-content:center;padding:0 8px;box-shadow:0 -4px 20px #00000080;margin:0 auto}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;background:transparent;border:none;color:#94a3b8;font-size:.66rem;font-weight:700;cursor:pointer;padding:4px 8px;border-radius:8px;transition:all .2s}.mobile-nav-item.active{color:#2dd4bf;background:#0d948826}.mobile-nav-item svg{width:18px;height:18px}}