:root{--primary-color:#f7931e;--primary-color-hover:#e58215;--bg-dark:#121212;--bg-darker:#0a0a0a;--bg-panel:#1e1e1e;--text-main:#fff;--text-muted:#a0a0a0;--danger:#ff4757;--success:#2ed573;--border-color:#333}[data-theme=light]{--bg-dark:#f0f2f5;--bg-darker:#e4e6e9;--bg-panel:#fff;--text-main:#1c1e21;--text-muted:#606770;--border-color:#ddd}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}body{background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased;min-height:100vh;transition:background-color .3s,color .3s}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-darker)}::-webkit-scrollbar-thumb{background:var(--bg-panel);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--primary-color)}.btn{background:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-weight:600;transition:all .3s;display:inline-flex}.btn:hover{background:var(--primary-color-hover);transform:translateY(-2px)}.btn-secondary{background:var(--bg-panel);color:var(--text-main);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-darker)}.input{background:var(--bg-darker);border:1px solid var(--border-color);color:var(--text-main);border-radius:8px;width:100%;padding:12px;transition:border-color .3s}.input:focus{border-color:var(--primary-color);outline:none}.card{background:var(--bg-panel);border-radius:12px;padding:24px;transition:background-color .3s;box-shadow:0 4px 20px #0000000d}.fingerprint-container{background:var(--bg-panel);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;border-radius:50%;justify-content:center;align-items:center;width:150px;height:150px;transition:transform .2s,background-color .3s;display:flex;position:relative;box-shadow:0 4px 15px #0000001a,inset 0 0 20px #0000000d}.fingerprint-container:active{transform:scale(.95)}.fingerprint-icon{width:70px;height:70px;color:var(--text-muted);z-index:2;transition:color .3s}.fingerprint-container.holding .fingerprint-icon{color:var(--primary-color)}.progress-ring{width:100%;height:100%;position:absolute;top:0;left:0;transform:rotate(-90deg)}.progress-ring__circle{fill:#0000;stroke:var(--primary-color);stroke-width:6px;stroke-dasharray:471.24;stroke-dashoffset:471.24px;transition:stroke-dashoffset .1s linear}.ripple{z-index:1;background:#f7931e66;border-radius:50%;animation:1s linear infinite ripple-anim;position:absolute}@keyframes ripple-anim{0%{opacity:1;width:0;height:0}to{opacity:0;width:250px;height:250px}}.logo-v{background:var(--primary-color);clip-path:polygon(0 0,100% 0,50% 100%);width:40px;height:40px;display:inline-block}.theme-switch{background:var(--bg-panel);border:1px solid var(--border-color);color:var(--text-main);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;padding:8px;display:flex;position:absolute;top:20px;right:20px}.offline-overlay{background:var(--bg-dark);z-index:9999;text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}