:root{
    --bg:#0c0d0f;
    --ink:#f4f4f5;
    --dim:#8a8f98;
    --tile:rgba(255,255,255,.035);
    --line:rgba(255,255,255,.09);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html,body{height:100%}
  body{
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
    -webkit-font-smoothing:antialiased;
    display:flex;
    align-items:center;
    justify-content:center;
    min-height:100dvh;
    padding:env(safe-area-inset-top) 20px env(safe-area-inset-bottom);
    overflow:hidden;
    user-select:none;
    -webkit-user-select:none;
    -webkit-tap-highlight-color:transparent;
  }
  /* barely-there ambient light so glass has something to lift off */
  body::before{
    content:"";
    position:fixed;
    inset:0;
    background:radial-gradient(60% 45% at 50% 32%, rgba(255,255,255,.045), transparent 70%);
    pointer-events:none;
  }

  main{
    text-align:center;
    position:relative;
    z-index:1;
    animation:rise .7s cubic-bezier(.2,.7,.2,1) both;
  }

  .progress{
    position:relative;
    width:clamp(60px,15vw,80px);
    aspect-ratio:1;
    margin:0 auto clamp(20px,4vh,30px);
  }
  .progress svg{width:100%;height:100%;transform:rotate(-90deg);display:block}
  .pr-track{fill:none;stroke:var(--line);stroke-width:4}
  .pr-bar{
    fill:none;stroke:#fff;stroke-width:4;stroke-linecap:round;
    stroke-dasharray:100;stroke-dashoffset:100;
    transition:stroke-dashoffset .6s cubic-bezier(.2,.7,.2,1),stroke .3s ease;
  }
  .pr-pct{
    position:absolute;inset:0;
    display:flex;align-items:center;justify-content:center;
    font-size:.78rem;font-weight:600;color:var(--ink);
    font-variant-numeric:tabular-nums;letter-spacing:.02em;
  }

  .eyebrow{
    font-size:.72rem;
    letter-spacing:.28em;
    text-transform:uppercase;
    color:var(--dim);
    margin-bottom:clamp(22px,5vh,40px);
  }
  .eyebrow b{color:var(--ink);font-weight:600;letter-spacing:.14em}

  .grid{
    display:flex;
    gap:clamp(6px,2vw,12px);
    justify-content:center;
    align-items:stretch;
  }

  .cell{
    flex:1 1 0;
    min-width:0;
    background:var(--tile);
    border:1px solid var(--line);
    border-radius:16px;
    padding:clamp(12px,3.5vw,20px) clamp(4px,1.5vw,10px);
    backdrop-filter:blur(14px) saturate(1.1);
    -webkit-backdrop-filter:blur(14px) saturate(1.1);
  }

  .num{
    font-size:clamp(1.9rem,10.5vw,3.6rem);
    font-weight:600;
    line-height:1;
    font-variant-numeric:tabular-nums;
    font-feature-settings:"tnum" 1;
    letter-spacing:-.02em;
  }
  /* Değer değişince yeni rakam yukarıdan kayıp yerine oturur */
  .num.tick{animation:numTick .34s cubic-bezier(.2,.7,.2,1)}
  @keyframes numTick{
    0%{opacity:.2;transform:translateY(-.18em)}
    55%{opacity:1}
    100%{transform:translateY(0)}
  }

  .lbl{
    margin-top:10px;
    font-size:.62rem;
    letter-spacing:.16em;
    text-transform:uppercase;
    color:var(--dim);
  }

  /* Tek birim görünümü */
  .single{text-align:center}
  .single-num{
    font-size:clamp(3.4rem,20vw,6rem);
    font-weight:600;line-height:1;
    font-variant-numeric:tabular-nums;
    font-feature-settings:"tnum" 1;
    letter-spacing:-.02em;
  }
  .single-num.tick{animation:numTick .34s cubic-bezier(.2,.7,.2,1)}
  .single-lbl{
    margin-top:16px;
    font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--dim);
  }

  .done{
    font-size:clamp(1.4rem,7vw,2.4rem);
    font-weight:600;
    letter-spacing:-.01em;
  }
  .done small{
    display:block;
    margin-top:14px;
    font-size:.72rem;
    letter-spacing:.24em;
    text-transform:uppercase;
    color:var(--dim);
    font-weight:400;
  }

  @keyframes rise{
    from{opacity:0;transform:translateY(10px)}
    to{opacity:1;transform:none}
  }
  .cell.hidden{display:none}

  /* Ayarlar tuşu */
  .settings-btn{
    position:fixed;
    top:calc(env(safe-area-inset-top) + 14px);
    right:16px;
    z-index:5;
    width:40px;height:40px;
    display:flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:var(--tile);
    border:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(1.1);
    -webkit-backdrop-filter:blur(14px) saturate(1.1);
    color:var(--dim);
    cursor:pointer;
    transition:color .2s ease;
  }
  .settings-btn:hover,.settings-btn:focus-visible{color:var(--ink);outline:none}
  .settings-btn svg{width:20px;height:20px;display:block}

  /* Menü tuşu (sol üst) — ayar tuşunun aynası */
  .menu-btn{
    position:fixed;
    top:calc(env(safe-area-inset-top) + 14px);
    left:16px;
    z-index:5;
    width:40px;height:40px;
    display:flex;align-items:center;justify-content:center;
    border-radius:12px;
    background:var(--tile);
    border:1px solid var(--line);
    backdrop-filter:blur(14px) saturate(1.1);
    -webkit-backdrop-filter:blur(14px) saturate(1.1);
    color:var(--dim);
    cursor:pointer;
    transition:color .2s ease;
  }
  .menu-btn:hover,.menu-btn:focus-visible{color:var(--ink);outline:none}
  .menu-btn svg{width:20px;height:20px;display:block}

  /* Sol menü paneli */
  .drawer{
    display:none;
    position:fixed;z-index:11;
    left:0;top:0;bottom:0;
    width:min(300px,82vw);
    background:rgba(20,21,24,.9);
    border-right:1px solid var(--line);
    padding:calc(env(safe-area-inset-top) + 20px) 14px calc(env(safe-area-inset-bottom) + 20px);
    backdrop-filter:blur(24px) saturate(1.2);
    -webkit-backdrop-filter:blur(24px) saturate(1.2);
    box-shadow:0 20px 60px rgba(0,0,0,.5);
    overflow-y:auto;
  }
  .drawer.show{display:block;animation:slideIn .24s cubic-bezier(.2,.7,.2,1) both}
  .drawer-head{
    font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;
    color:var(--dim);padding:6px 12px 14px;
  }
  .ci{display:flex;align-items:center;gap:6px;margin-bottom:8px}
  .ci-main{
    display:flex;align-items:center;gap:12px;flex:1;min-width:0;text-align:left;
    background:var(--tile);border:1px solid var(--line);border-radius:12px;
    padding:12px;color:var(--ink);cursor:pointer;font:inherit;
  }
  .ci-main:hover{border-color:rgba(255,255,255,.16)}
  .ci.aktif .ci-main{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
  .ci-dot{width:9px;height:9px;border-radius:50%;flex:0 0 auto}
  .ci-txt{display:flex;flex-direction:column;gap:3px;min-width:0;flex:1}
  .ci-baslik{font-size:.95rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .ci-kalan{font-size:.72rem;color:var(--dim)}
  .ci-edit{
    flex:0 0 auto;width:38px;height:38px;border-radius:10px;
    background:transparent;border:1px solid var(--line);color:var(--dim);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
  }
  .ci-edit:hover{color:var(--ink);border-color:rgba(255,255,255,.16)}
  .ci-edit svg{width:16px;height:16px;display:block}
  .ci-yeni{
    display:flex;align-items:center;gap:12px;width:100%;text-align:left;
    background:var(--tile);border:1px dashed rgba(255,255,255,.22);border-radius:12px;
    padding:12px;color:var(--dim);cursor:pointer;font:inherit;margin-top:4px;
  }
  .ci-yeni:hover{color:var(--ink)}
  .ci-plus{font-size:1.2rem;line-height:1;width:9px;text-align:center;flex:0 0 auto}
  .empty{
    display:flex;flex-direction:column;align-items:center;gap:22px;
    font-size:clamp(1.1rem,5vw,1.4rem);font-weight:500;color:var(--ink);
    animation:rise .5s cubic-bezier(.2,.7,.2,1) both;
  }
  .empty .btn{flex:0 0 auto;padding:12px 22px}
  .btn-danger{background:transparent;color:#e2686a;border-color:rgba(226,104,106,.35);width:100%}

  /* Eşitleme (menü altı) */
  .sync{margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}
  .sync .drawer-head{padding:0 12px 10px}
  .sync-durum{font-size:.8rem;color:var(--dim);padding:0 12px 12px}
  .sync-baglica{display:flex;gap:8px;padding:0 2px 8px}
  .sync-inp{flex:1;min-width:0;text-transform:uppercase;letter-spacing:.06em}
  .sync-btn{flex:0 0 auto;width:auto;padding:12px 18px}
  .sync-baglii{display:flex;gap:8px;padding:0 2px 8px}
  .sync-baglii .btn{flex:1;width:auto}
  .sync-msg{font-size:.72rem;color:var(--dim);padding:2px 12px;min-height:1.1em}

  @keyframes slideIn{
    from{opacity:.4;transform:translateX(-100%)}
    to{opacity:1;transform:translateX(0)}
  }

  /* Yeni geri sayım formu */
  .form-sheet{padding:8px 8px 14px}
  .field{padding:10px 14px}
  .field-label{display:block;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);margin-bottom:9px}
  .inp{
    width:100%;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line);
    border-radius:12px;
    color:var(--ink);
    font:inherit;font-size:1rem;
    padding:12px;
    outline:none;
    color-scheme:dark;
  }
  .inp::placeholder{color:var(--dim)}
  .inp:focus{border-color:rgba(255,255,255,.32)}
  .renkler{display:flex;gap:12px;flex-wrap:wrap}
  .renk{width:30px;height:30px;border-radius:50%;cursor:pointer;border:none;padding:0}
  .renk.sec{outline:2px solid var(--ink);outline-offset:3px}
  .form-actions{display:flex;gap:8px;padding:14px 14px 4px}
  .btn{
    flex:1;padding:13px;border-radius:12px;
    font:inherit;font-size:.95rem;font-weight:500;
    cursor:pointer;border:1px solid var(--line);
    transition:opacity .15s ease;
  }
  .btn:active{opacity:.7}
  .btn-ghost{background:transparent;color:var(--dim)}
  .btn-primary{background:rgba(255,255,255,.92);color:#0c0d0f;border-color:transparent}

  /* Ayarlar penceresi */
  .backdrop{
    display:none;
    position:fixed;inset:0;z-index:10;
    background:rgba(0,0,0,.5);
    backdrop-filter:blur(2px);
    -webkit-backdrop-filter:blur(2px);
  }
  .backdrop.show{display:block}
  .sheet{
    display:none;
    position:fixed;z-index:11;
    left:50%;top:50%;transform:translate(-50%,-50%);
    width:min(320px,calc(100vw - 40px));
    background:rgba(20,21,24,.82);
    border:1px solid var(--line);
    border-radius:20px;
    padding:8px;
    backdrop-filter:blur(24px) saturate(1.2);
    -webkit-backdrop-filter:blur(24px) saturate(1.2);
    box-shadow:0 20px 60px rgba(0,0,0,.5);
  }
  .sheet.show{display:block;animation:pop .22s cubic-bezier(.2,.7,.2,1) both}
  .sheet-head{
    font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;
    color:var(--dim);padding:14px 14px 8px;
  }
  .opt{
    display:flex;align-items:center;justify-content:space-between;
    padding:13px 14px;border-radius:12px;
  }
  .opt:active{background:rgba(255,255,255,.03)}
  .opt-label{font-size:1rem;color:var(--ink)}

  /* Görünüm biçimi seçici */
  .seg{display:flex;gap:6px;padding:6px 14px 8px}
  .seg button{
    flex:1;padding:11px;border-radius:11px;
    font:inherit;font-size:.92rem;cursor:pointer;
    background:var(--tile);border:1px solid var(--line);color:var(--dim);
    transition:background .15s ease,color .15s ease;
  }
  .seg button.sec{background:rgba(255,255,255,.92);color:#0c0d0f;border-color:transparent}
  .seg-label{padding:6px 14px 8px;margin:0}
  .birim-list{display:flex;flex-wrap:wrap;gap:6px;padding:0 14px 10px}
  .birim-list button{
    flex:1 1 27%;padding:11px 6px;border-radius:11px;
    font:inherit;font-size:.86rem;cursor:pointer;
    background:var(--tile);border:1px solid var(--line);color:var(--ink);
    transition:background .15s ease,color .15s ease;
  }
  .birim-list button.sec{background:rgba(255,255,255,.92);color:#0c0d0f;border-color:transparent}

  /* Toggle */
  .switch{position:relative;width:46px;height:28px;flex:0 0 auto}
  .switch input{position:absolute;inset:0;opacity:0;margin:0;cursor:pointer;z-index:1}
  .track{position:absolute;inset:0;border-radius:999px;background:rgba(255,255,255,.14);transition:background .2s ease}
  .track::after{
    content:"";position:absolute;top:3px;left:3px;
    width:22px;height:22px;border-radius:50%;
    background:#e9e9ea;
    transition:transform .2s cubic-bezier(.2,.7,.2,1);
  }
  .switch input:checked ~ .track{background:rgba(255,255,255,.92)}
  .switch input:checked ~ .track::after{transform:translateX(18px);background:#0c0d0f}
  .switch input:focus-visible ~ .track{outline:2px solid rgba(255,255,255,.45);outline-offset:2px}

  @keyframes pop{
    from{opacity:0;transform:translate(-50%,-47%) scale(.97)}
    to{opacity:1;transform:translate(-50%,-50%) scale(1)}
  }
  @media (prefers-reduced-motion:reduce){
    main{animation:none}
    .num.tick{animation:none}
    .sheet.show{animation:none}
    .drawer.show{animation:none}
    .pr-bar{transition:none}
  }