*,:before,:after{box-sizing:border-box}:root{--bg:#04101f;--text:#eceff4;--accent:#22d3ee;--muted:#5b7088;--card-bg:#0a1826;--ok:#4caf50;--danger:#f44336}body{background:var(--bg);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.card{background:var(--card-bg);border-radius:14px;margin-bottom:16px;padding:20px}.btn-primary{background:var(--accent);color:var(--bg);cursor:pointer;border:none;border-radius:12px;padding:14px 24px;font-size:16px;font-weight:700}.btn-secondary{color:var(--danger);border:1px solid var(--danger);cursor:pointer;background:0 0;border-radius:12px;padding:14px 24px;font-size:16px;font-weight:700}.btn-neutral{color:var(--accent);border:1px solid var(--accent);cursor:pointer;background:0 0;border-radius:12px;padding:10px 18px;font-size:14px;font-weight:700}.progress-track{background:#ffffff14;border-radius:999px;width:100%;height:8px;overflow:hidden}.progress-fill{background:var(--accent);border-radius:999px;height:100%;transition:width .2s}.pill{border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700;display:inline-block}.pill-ok{color:var(--ok);background:#4caf5026}.pill-danger{color:var(--danger);background:#f4433626}.device-card{background:#ffffff08;border:1px solid #ffffff0f;border-radius:12px;margin-bottom:10px;padding:14px 16px}.usage-bar-row{color:var(--muted);align-items:center;gap:8px;margin-bottom:4px;font-size:12px;display:flex}.usage-bar-track{background:#ffffff0f;border-radius:4px;flex:1;height:6px;overflow:hidden}.usage-bar-fill{background:var(--accent);height:100%}.tab-bar{background:var(--card-bg);padding:8px 0 calc(8px + env(safe-area-inset-bottom,0px));z-index:10;border-top:1px solid #ffffff14;display:flex;position:fixed;bottom:0;left:0;right:0}.tab-bar-item{color:var(--muted);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:2px;padding:4px 0;font-size:11px;display:flex}.tab-bar-item.active{color:var(--accent)}.tab-bar-icon{font-size:20px;line-height:1}