:root{
  --bg:#0b0f14; --panel:#141a22; --text:#e7edf3; --muted:#9bb0c3;
  --accent:#2f89ff; --accent2:#4ade80; --danger:#ef4444; --border:rgba(255,255,255,.1);
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji";background:var(--bg);color:var(--text)}
.container{max-width:900px;margin:0 auto;padding:16px}

.app-header{display:flex;align-items:center;gap:12px;margin:10px 0 20px}
.hamburger{font-size:26px;line-height:1;background:none;border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:10px;cursor:pointer}
.icon-btn{background:none;border:1px solid var(--border);color:var(--text);padding:6px 10px;border-radius:10px;cursor:pointer}

/* Settings drawer */
.backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:saturate(60%) blur(2px);}
.hidden{display:none}
.settings{position:fixed;top:0;right:0;bottom:0;width:360px;max-width:90vw;background:linear-gradient(180deg,#16202b,#0f151d);border-left:1px solid var(--border);transform:translateX(100%);transition:transform .25s ease;z-index:50;}
.settings.open{transform:translateX(0)}
.settings-inner{height:100%;display:flex;flex-direction:column;padding:16px;gap:12px}
.settings-head{display:flex;align-items:center;justify-content:space-between}
.form-group{display:grid;gap:6px}
fieldset{border:1px solid var(--border);border-radius:12px;padding:10px}
legend{padding:0 6px;color:var(--muted)}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
input[type=number]{background:#0c1218;color:var(--text);border:1px solid var(--border);border-radius:10px;padding:8px 10px;outline:none}
input[type=number]:focus{border-color:var(--accent)}
.settings-actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{border:1px solid var(--border);background:#111822;color:var(--text);padding:10px 14px;border-radius:12px;cursor:pointer;user-select:none;font-weight:600}
.btn.primary{background:linear-gradient(180deg,#1b3f7b,var(--accent))}
.btn.danger{background:linear-gradient(180deg,#5d1a1a,var(--danger))}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* Counter section */
.counter-section{display:grid;gap:12px}
.summary{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.counter-display{font-size:clamp(28px,4vw,36px);font-weight:800}
.goal-display,.percent-display{color:var(--muted)}
.progress-wrap{position:relative;background:#0f1620;border:1px solid var(--border);border-radius:14px;height:28px;overflow:hidden}
.progress-bar{position:absolute;inset:0;right:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));transition:width .3s ease,height .3s ease}
.progress-text{position:absolute;inset:0;display:grid;place-items:center;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.4)}

/* Buttons grid */
.buttons{margin-top:8px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.btn{min-height:44px}

/* Confetti canvas */
.confetti-canvas{position:fixed;inset:0;z-index:100;pointer-events:none}

kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;border:1px solid var(--border);border-radius:6px;padding:0 6px;background:#0a0f14}
.hint{color:var(--muted);font-size:13px}