*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif}.ppvt-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;background:var(--bg);padding:0 0 2rem}.ppvt-timer-track{width:100%;height:5px;background:#e0e0e0;overflow:hidden}.ppvt-timer-bar{height:100%;transition:width .05s linear,background .3s}.ppvt-header{width:100%;display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;box-sizing:border-box}.ppvt-back{background:none;border:none;font-size:1.4rem;color:var(--text);cursor:pointer;padding:.25rem .5rem;flex-shrink:0}.ppvt-progress-bar{flex:1;height:6px;background:var(--border, #e0e0e0);border-radius:3px;overflow:hidden}.ppvt-progress-fill{height:100%;background:var(--accent, #4a90d9);border-radius:3px;transition:width .3s ease}.ppvt-count{font-size:.8rem;color:var(--text-muted, #888);flex-shrink:0;min-width:2.5rem;text-align:right}.ppvt-prompt{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin:1.25rem 0 1rem}.ppvt-audio-btn{width:64px;height:64px;border-radius:50%;border:none;background:var(--accent, #4a90d9);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 8px #0003;transition:transform .1s}.ppvt-audio-btn:active{transform:scale(.93)}.ppvt-instruction{font-size:.9rem;color:var(--text-muted, #888);margin:0}.ppvt-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:0 1rem;width:100%;max-width:420px;box-sizing:border-box}.ppvt-option{aspect-ratio:1;border-radius:12px;border:3px solid var(--border, #e0e0e0);background:var(--card-bg, #fff);padding:6px;cursor:pointer;overflow:hidden;transition:border-color .2s,transform 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#888);min-width:2rem;text-align:right}.ppvt-result-btns{display:flex;gap:.75rem;margin-top:.5rem}.ppvt-btn{padding:.65rem 1.5rem;border-radius:8px;border:none;background:var(--accent, #4a90d9);color:#fff;font-size:.95rem;font-weight:600;cursor:pointer}.ppvt-btn.secondary{background:var(--border, #e0e0e0);color:var(--text)}.ppvt-flow-container{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2rem 1.5rem;gap:1.5rem;max-width:480px;margin:0 auto}.ppvt-flow-container.rtl{direction:rtl;text-align:right}.ppvt-flow-back{position:absolute;top:1rem;left:1rem;background:none;border:none;font-size:1.4rem;cursor:pointer;color:#555;padding:.25rem .5rem}.rtl .ppvt-flow-back{left:auto;right:1rem}.ppvt-flow-title{font-size:1.3rem;font-weight:700;text-align:center;color:#222}.ppvt-flow-body{font-size:.95rem;line-height:1.6;color:#444;text-align:center;max-width:400px}.ppvt-flow-btns{display:flex;flex-direction:column;gap:.75rem;width:100%;max-width:320px}.ppvt-flow-btn{padding:.85rem 1.5rem;border-radius:10px;border:none;font-size:1rem;font-weight:600;cursor:pointer;width:100%}.ppvt-flow-btn.primary{background:#4a90d9;color:#fff}.ppvt-flow-btn.secondary{background:#eee;color:#555}.ppvt-lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;width:100%;max-width:320px}.ppvt-lang-btn{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.2rem;border-radius:12px;border:2px solid #e0e0e0;background:#fff;cursor:pointer;transition:border-color .15s,box-shadow .15s}.ppvt-lang-btn:hover{border-color:#4a90d9;box-shadow:0 2px 8px #4a90d933}.ppvt-lang-flag{font-size:2rem}.ppvt-lang-label{font-size:.9rem;font-weight:600;color:#333}.ppvt-demo-form{display:flex;flex-direction:column;gap:1.5rem;width:100%;max-width:380px}.ppvt-demo-label{display:flex;flex-direction:column;gap:.4rem;font-size:.9rem;font-weight:600;color:#333}.ppvt-demo-label select{padding:.6rem .75rem;border-radius:8px;border:1.5px solid #ccc;font-size:.95rem;background:#fff;color:#333}.ppvt-prof-grid{display:flex;flex-direction:column;gap:.4rem;margin-top:.4rem}.ppvt-prof-btn{display:flex;align-items:center;gap:.75rem;padding:.55rem .75rem;border-radius:8px;border:1.5px solid #ddd;background:#fff;cursor:pointer;text-align:left;transition:border-color .12s,background .12s}.ppvt-prof-btn:hover{border-color:#4a90d9;background:#f0f6ff}.ppvt-prof-btn.selected{border-color:#4a90d9;background:#4a90d9;color:#fff}.ppvt-prof-num{font-size:.75rem;font-weight:700;min-width:1.2rem;color:#999}.ppvt-prof-btn.selected .ppvt-prof-num{color:#fffc}.ppvt-prof-label{font-size:.9rem;font-weight:500}