:root{
  --green-900:#0f2b1a;
  --green-800:#14331f;
  --green-700:#1d5631;
  --green-500:#2f8f4e;
  --lime:#c6f24e;
  --lime-soft:#bdf0a8;
  --paper:#f4f6f1;
  --ink:#13241a;
  --muted:#5d6b60;
  --line:#dde4d8;
  --radius:16px;
  --shadow:0 18px 50px -20px rgba(15,43,26,.45);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Poppins',system-ui,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 600px at 90% -10%, rgba(198,242,78,.35), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(29,86,49,.25), transparent 55%),
    var(--paper);
  min-height:100%;
  overflow-x:hidden;
}
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* topbar */
.topbar{position:relative;z-index:2;padding:22px clamp(16px,4vw,48px) 6px}
.brand{display:flex;align-items:center;gap:14px}
.leaf{font-size:34px;filter:drop-shadow(0 6px 10px rgba(47,143,78,.4))}
.brand h1{font-family:'Fraunces',serif;font-weight:800;font-size:clamp(22px,3vw,32px);letter-spacing:-.5px;color:var(--green-800)}
.brand p{color:var(--green-700);font-size:13px;font-weight:600;letter-spacing:.3px}

/* layout */
.layout{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(320px,420px) 1fr;
  gap:clamp(18px,3vw,40px);
  padding:clamp(16px,3vw,40px) clamp(16px,4vw,48px) 40px;
  align-items:start;
}
@media(max-width:920px){
  .layout{grid-template-columns:1fr}
  .stage{order:-1}
}

/* panel */
.panel{
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(10px);
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px 24px;
  box-shadow:var(--shadow);
  position:sticky;top:18px;
}
.step{display:flex;gap:14px;margin-bottom:22px}
.step-num{
  flex:none;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;font-size:14px;
  background:var(--green-800);color:var(--lime);
}
.step-body{flex:1}
.lbl{display:block;font-weight:700;font-size:14px;color:var(--green-800);margin-bottom:8px;letter-spacing:.2px}
.lbl.small{font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--muted)}
.muted-tag{font-weight:500;font-size:12px;color:var(--muted)}
.goal-line{margin-bottom:8px}
.goal-line:last-child{margin-bottom:0}
.hint{font-size:12px;color:var(--muted);margin:2px 0 10px}

/* dropzone */
.dropzone{display:block;cursor:pointer}
.dz-inner{
  border:2px dashed #b6c7ab;border-radius:14px;
  background:linear-gradient(180deg,#fbfdf8,#eef4e7);
  padding:22px;text-align:center;transition:.2s;
  display:flex;flex-direction:column;gap:4px;align-items:center;
}
.dropzone:hover .dz-inner,.dropzone.drag .dz-inner{border-color:var(--green-500);background:#eaf6e2}
.dz-icon{font-size:30px}
.dz-inner strong{font-size:14px;color:var(--green-800)}
.dz-inner small{font-size:12px;color:var(--muted)}

/* inputs */
.text-input{
  width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:15px;font-weight:600;letter-spacing:.5px;
  background:#fff;color:var(--ink);transition:.2s;
}
.text-input:focus{outline:none;border-color:var(--green-500);box-shadow:0 0 0 4px rgba(47,143,78,.15)}

.slider-row{display:flex;align-items:center;gap:12px;font-size:13px;font-weight:600;color:var(--green-800);margin-bottom:10px}
.slider-row input[type=range]{flex:1;accent-color:var(--green-500)}
.ghost-btn{
  background:none;border:1.5px solid var(--line);color:var(--green-800);
  padding:8px 14px;border-radius:10px;font-family:inherit;font-weight:600;font-size:13px;cursor:pointer;transition:.2s;
}
.ghost-btn:hover{border-color:var(--green-500);background:#f0f7ec}

/* actions */
.actions{display:flex;gap:10px;margin:6px 0 22px}
.primary-btn{
  flex:1;border:none;cursor:pointer;font-family:inherit;font-weight:700;font-size:15px;
  padding:14px 16px;border-radius:14px;transition:transform .15s,box-shadow .2s,opacity .2s;
  background:var(--green-800);color:#fff;box-shadow:0 10px 24px -10px rgba(15,43,26,.7);
}
.primary-btn.share{background:var(--lime);color:var(--green-900)}
.primary-btn:hover:not(:disabled){transform:translateY(-2px)}
.primary-btn:disabled{opacity:.45;cursor:not-allowed}

/* social */
.social{border-top:1px solid var(--line);padding-top:18px}
.social-row{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.soc{
  flex:1;min-width:80px;border:1.5px solid var(--line);background:#fff;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:13px;color:var(--green-800);
  padding:10px 8px;border-radius:10px;transition:.2s;
}
.soc:hover{background:var(--green-800);color:#fff;border-color:var(--green-800)}

/* stage */
.stage{display:flex;justify-content:center}
.canvas-wrap{
  position:relative;width:100%;max-width:640px;
  border-radius:18px;overflow:hidden;box-shadow:var(--shadow);
  background:#fff;
}
canvas{display:block;width:100%;height:auto;cursor:grab;touch-action:none}
canvas.grabbing{cursor:grabbing}
.loading{
  position:absolute;inset:0;display:grid;place-items:center;
  background:#fff;color:var(--green-700);font-weight:600;
}

.foot{position:relative;z-index:2;text-align:center;color:var(--muted);font-size:12px;padding:0 16px 28px}

/* toast */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(20px);
  background:var(--green-900);color:#fff;padding:12px 20px;border-radius:12px;
  font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.3s;z-index:50;
  box-shadow:var(--shadow);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}