:root{
  --coral:#FF6F52; --coral-deep:#E85436; --gold:#E39A2E;
  --grad:linear-gradient(135deg,#FF6F52 0%,#FF9160 55%,#FFB765 100%);
  --ink:#3A2A23; --ink-soft:#7A6456; --ink-dim:#B4A395; --input:#FFF6EE; --line:rgba(216,178,140,.55);
  --label:#8A6A4F;
  --head:'Bricolage Grotesque','Outfit',system-ui,sans-serif; --body:'Outfit',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;min-height:100%}
body.bd-body{font-family:var(--body);color:var(--ink);background:#FFEBDD;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.bd-bg{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 20% 10%,#FFF7F0 0%,transparent 45%),radial-gradient(circle at 90% 80%,#FFD9C2 0%,transparent 50%),linear-gradient(180deg,#FFF3EA 0%,#FFE4D2 100%)}
.bd-home,.bd-mute{position:fixed;top:14px;z-index:20;width:44px;height:44px;border-radius:50%;border:0;display:grid;place-items:center;font-size:18px;text-decoration:none;color:var(--ink)}
.bd-home{left:14px;background:rgba(255,255,255,.7);box-shadow:0 4px 14px rgba(150,90,60,.12)}
.bd-mute{right:14px;background:rgba(80,70,80,.55);color:#fff;backdrop-filter:blur(8px)}
.bd-mute.is-off span{opacity:.5}
.bd-app{max-width:440px;margin:0 auto;padding:16px 18px 40px;min-height:100vh;display:flex;flex-direction:column}
.bd-progress{text-align:center;margin-bottom:auto;padding-bottom:20px}
.bd-balloons{display:flex;justify-content:center;gap:8px;font-size:15px}
.bd-balloons span{filter:grayscale(1) opacity(.35);transition:.4s;display:inline-block}
.bd-balloons span.on{filter:none;transform:translateY(-2px)}
.bd-balloons span.cur{animation:bdBob 1.6s ease-in-out infinite}
.bd-step-label{margin:6px 0 0;font-size:13px;font-weight:700;color:var(--ink-soft);letter-spacing:.2px}
@keyframes bdBob{50%{transform:translateY(-4px) rotate(4deg)}}
.bd-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:26px 20px 22px;box-shadow:0 22px 50px rgba(176,110,70,.14);margin-bottom:auto;animation:bdIn .45s cubic-bezier(.2,.8,.2,1)}
.bd-card.is-back{animation-name:bdInBack}
@keyframes bdIn{from{opacity:0;transform:translateX(30px) scale(.98)}to{opacity:1;transform:none}}
@keyframes bdInBack{from{opacity:0;transform:translateX(-30px) scale(.98)}to{opacity:1;transform:none}}
.bd-emoji{font-size:40px;text-align:center;line-height:1;margin-bottom:10px;animation:bdBob 2.6s ease-in-out infinite}
.bd-card h2{font-family:var(--head);font-weight:700;font-size:25px;text-align:center;margin:0 0 6px;letter-spacing:-.3px;line-height:1.2}
.bd-sub{text-align:center;color:var(--ink-soft);margin:0 0 18px;font-size:15px;line-height:1.5}
.bd-label{display:block;font-weight:700;font-size:14px;color:var(--label);margin:14px 0 7px}
.bd-label small{font-weight:600;font-size:11px;color:var(--ink-dim)}
.bd-input{width:100%;border:1.5px solid #F6E6D8;background:var(--input);border-radius:16px;padding:14px 16px;font:inherit;font-size:16px;color:var(--ink);transition:border .2s,box-shadow .2s}
.bd-input::placeholder{color:var(--ink-dim)}
.bd-input:focus{outline:none;border-color:#FFB08F;box-shadow:0 0 0 4px rgba(255,111,82,.13);background:#fff}
.bd-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bd-select{position:relative}
.bd-select select{appearance:none;-webkit-appearance:none;width:100%;border:1.5px solid #F6E6D8;background:#fff;border-radius:16px;padding:14px 36px 14px 14px;font:inherit;font-size:16px;color:var(--ink)}
.bd-select::after{content:'';position:absolute;right:16px;top:50%;width:8px;height:8px;border-right:2px solid var(--coral);border-bottom:2px solid var(--coral);transform:translateY(-70%) rotate(45deg);pointer-events:none}
.bd-hint{font-size:12.5px;color:var(--ink-soft);margin:10px 0 0;text-align:center}
.bd-actions{display:flex;gap:10px;margin-top:22px}
.bd-btn{flex:1;border:0;border-radius:999px;background:var(--grad);color:#fff;font-family:var(--head);font-weight:700;font-size:18px;padding:16px 20px;box-shadow:0 12px 26px rgba(255,111,82,.35);cursor:pointer;transition:transform .2s,opacity .2s,box-shadow .2s}
.bd-btn:hover{transform:translateY(-1px)}
.bd-btn:active{transform:scale(.98)}
.bd-btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}
.bd-back{flex:none;width:56px;border-radius:50%;border:1.5px solid var(--line);background:#fff;color:var(--gold);font-size:20px;cursor:pointer}
.bd-skip{display:block;margin:14px auto 0;background:none;border:0;color:var(--ink-soft);font:inherit;font-weight:600;text-decoration:underline;text-underline-offset:3px;cursor:pointer}

/* cake picker */
.bd-cakes{display:grid;gap:12px}
.bd-cake-opt{display:flex;align-items:center;gap:16px;text-align:left;border:1.5px solid #F6E6D8;background:#FFFAF5;border-radius:18px;padding:12px 16px;font:inherit;color:var(--ink);cursor:pointer;transition:.2s}
.bd-cake-opt b{display:block;font-family:var(--head);font-size:17px}
.bd-cake-opt small{color:var(--ink-soft);font-size:14px}
.bd-cake-opt.is-on{border-color:var(--coral);background:#FFF1EA;box-shadow:0 0 0 4px rgba(255,111,82,.12)}
.mini-cake{position:relative;width:72px;height:66px;flex:none}
.mini-cake i{position:absolute;left:50%;transform:translateX(-50%);display:block}
.mc-plate{bottom:0;width:72px;height:8px;border-radius:50%;background:#2E3557}
.mc-bottom{bottom:5px;width:62px;height:22px;border-radius:6px 6px 4px 4px}
.mc-top{bottom:26px;width:44px;height:16px;border-radius:6px 6px 3px 3px}
.mc-candle{bottom:42px;width:4px;height:10px;background:#fff6d8;border-radius:2px}
.mc-flame{bottom:51px;width:8px;height:12px;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;background:radial-gradient(circle at 50% 70%,#fff 0 20%,#FFD54F 40%,#FF9800 80%);box-shadow:0 0 14px 4px rgba(255,190,80,.55);animation:bdFlick .4s ease-in-out infinite alternate}
@keyframes bdFlick{to{transform:translateX(-50%) scaleY(1.15) rotate(3deg)}}
.mini-cake--choco .mc-bottom{background:linear-gradient(#5b3a2e 0 18%,#3b2219 18%);box-shadow:inset 0 3px 0 #f3d9a6}
.mini-cake--choco .mc-top{background:linear-gradient(#6b4535 0 20%,#3b2219 20%);box-shadow:inset 0 3px 0 #f3d9a6}
.mini-cake--straw .mc-bottom{background:linear-gradient(#ffd3e2 0 18%,#f59ab8 18%)}
.mini-cake--straw .mc-top{background:linear-gradient(#ffe0ea 0 20%,#f7a8c3 20%)}
.mini-cake--vanilla .mc-bottom{background:linear-gradient(#fff3cf 0 18%,#ecd089 18%)}
.mini-cake--vanilla .mc-top{background:linear-gradient(#fff6dc 0 20%,#f1d996 20%)}

/* balloons */
.bd-bal-list{display:grid;gap:10px}
.bd-bal-row{position:relative;display:flex;align-items:center;gap:8px}
.bd-bal-dot{font-size:22px;filter:hue-rotate(calc(var(--h)*1deg - 340deg)) saturate(1.2)}
.bd-bal-row .bd-input{padding-right:52px;font-size:15px}
.bd-count{position:absolute;right:12px;font-style:normal;font-size:11px;color:var(--ink-dim)}
.bd-spark-label{font-size:11px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--ink-dim);margin:18px 0 8px}
.bd-sparks{display:flex;flex-wrap:wrap;gap:8px}
.bd-spark{border:1px dashed #F2C9A8;background:#FFF8F2;border-radius:999px;padding:7px 12px;font:inherit;font-size:13px;color:var(--ink-soft);cursor:pointer;text-align:left}
.bd-spark:hover{background:#FFEFE3;color:var(--ink)}
.bd-sparks--long .bd-spark{border-radius:14px;padding:10px 12px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* photos */
.bd-drop{display:flex;flex-direction:column;align-items:center;gap:4px;border:2px dashed #F2C9A8;background:#FFF8F2;border-radius:18px;padding:22px 14px;cursor:pointer;text-align:center;transition:.2s}
.bd-drop:hover{background:#FFEFE3}
.bd-drop.is-full{opacity:.55;pointer-events:none}
.bd-drop-ico{font-size:30px}
.bd-drop-t{font-weight:700}
.bd-drop small{color:var(--ink-dim)}
.bd-photos{display:grid;gap:10px;margin-top:12px}
.bd-photo{display:flex;align-items:center;gap:10px;background:#FFFAF6;border:1px solid #F6E6D8;border-radius:16px;padding:8px}
.bd-photo img{width:58px;height:58px;border-radius:12px;object-fit:cover;flex:none;background:#f3e6dc}
.bd-photo .bd-input{padding:10px 12px;font-size:15px}
.bd-photo-st{font-size:11px;color:#4CAF50;font-weight:700;white-space:nowrap}
.bd-photo-st.is-up{color:var(--ink-dim)}
.bd-photo-st.is-err{color:#e53935}
.bd-photo-x{flex:none;width:30px;height:30px;border-radius:50%;border:0;background:#FDE4DA;color:var(--coral-deep);cursor:pointer}

/* letter */
.bd-letter{font-family:'Shantell Sans',var(--body);font-size:15.5px;line-height:1.6;resize:vertical;min-height:180px}
.bd-letter-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-soft);margin-top:6px}
.bd-letter-meta em{font-style:normal;color:var(--ink-dim)}

/* crafting */
.bd-craft h2{margin-bottom:18px}
.bd-wobble{animation:bdWob 1s ease-in-out infinite}
@keyframes bdWob{25%{transform:rotate(-8deg)}75%{transform:rotate(8deg)}}
.bd-craft-list{list-style:none;padding:0;margin:0 0 18px;display:grid;gap:12px}
.bd-craft-list li{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--ink-dim);transition:.3s;font-size:15px}
.bd-craft-list li i{flex:none;width:24px;height:24px;border-radius:50%;border:1.5px solid #F2D6C2;display:grid;place-items:center;font-style:normal;font-size:12px;color:#E8B48F}
.bd-craft-list li.on{color:#9B6A3A}
.bd-craft-list li.on i{background:var(--grad);border-color:transparent;color:#fff}
.bd-craft-list li.cur{color:var(--ink)}
.bd-bar{height:8px;border-radius:99px;background:#F6EDE6;overflow:hidden}
.bd-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#E39A2E,#FFB765);border-radius:99px;transition:width .5s}
.bd-err{color:#d84315;text-align:center;font-weight:600;margin:14px 0 0}

.bd-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);background:#fff;color:var(--ink);font-weight:700;border-radius:16px;padding:12px 20px;box-shadow:0 14px 34px rgba(120,70,40,.2);opacity:0;transition:.35s;max-width:80vw;text-align:center;z-index:30;pointer-events:none}
.bd-toast.on{opacity:1;transform:translate(-50%,0)}