:root{--bg: #071029;--card: rgba(255,255,255,.03);--muted: #9fb2d6;--accent: #06b6d4;--accent-2: #60a5fa;--glass: rgba(255,255,255,.04);--text: #e6eef8;--danger: #fb7185;--success: #34d399}html,body,#root{height:100%}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial;margin:0;background:linear-gradient(180deg,var(--bg),#041022);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.app{max-width:1100px;margin:28px auto;padding:18px}.header{height:64px;display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-radius:12px;background:linear-gradient(180deg,#ffffff05,#ffffff03);box-shadow:0 6px 24px #02061799}.header-left{display:flex;align-items:center;gap:12px}.logo{font-weight:700;font-size:1.1rem;letter-spacing:.6px}.signed-in{background:var(--glass);padding:6px 10px;border-radius:8px;color:var(--muted);font-size:.86rem}.header-right{display:flex;align-items:center;gap:8px}.btn{padding:8px 12px;border-radius:10px;border:none;cursor:pointer;font-weight:600}.btn.primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#022}.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.06);color:var(--text)}.btn.secondary{background:transparent;border:1px solid rgba(255,255,255,.04);color:var(--muted)}.main{margin-top:18px}.preview{padding:18px;border-radius:12px;min-height:380px;display:flex;align-items:center;justify-content:center;position:relative;background:linear-gradient(180deg,#ffffff03,#ffffff01);box-shadow:inset 0 1px #ffffff05}.timer-overlay{position:absolute;left:0;right:0;top:0;bottom:0;display:flex;justify-content:center;align-items:center;pointer-events:none}.timer-card{pointer-events:auto;background:linear-gradient(180deg,#02061799,#0408147a);border-radius:14px;padding:20px 26px;text-align:center;max-width:860px;width:92%;box-shadow:0 10px 34px #02061799}.timer-title{font-size:20px;font-weight:700;margin-bottom:6px}.timer-clock{font-family:SF Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Roboto Mono,monospace;font-size:64px;font-weight:800;color:var(--text);margin:8px 0}.session-summary{color:var(--muted);font-size:15px;margin-top:8px}.progress-wrap{display:flex;justify-content:center;margin-top:18px}.progress{width:60%;min-width:220px;height:12px;background:#ffffff0f;border-radius:999px;overflow:hidden}.progress .bar{height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,#4ade80,#06b6d4);transition:width .6s linear}.bf-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#04081099,#02040ab3);display:flex;align-items:center;justify-content:center;z-index:9999}.modal-card{background:linear-gradient(180deg,#ffffff08,#ffffff05);padding:22px;border-radius:12px;min-width:320px;color:var(--text);box-shadow:0 12px 40px #02061799}.form-row{margin-bottom:12px}.label{display:block;font-size:13px;margin-bottom:6px;color:var(--muted)}.input{width:100%;padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,.04);background:transparent;color:var(--text)}.footer{margin-top:18px;color:var(--muted);font-size:.9rem;text-align:center}@media (max-width:720px){.timer-clock{font-size:42px}.progress{width:80%}.app{margin:12px;padding:12px}}