/* ==========================================================
   Romantic Date Invitation - style.css (v2, animated)
   Works with the existing index.html + script.js (no changes needed)
   ========================================================== */

/* ---------- Design tokens ---------- */
:root{
  --pink:#ff6b9d; --pink2:#ff8fb8; --rose:#e0457b; --lilac:#c77dff;
  --soft:#ffe3ee; --cream:#fff8f0; --text:#5a2b41; --muted:#a1708a;
  --shadow:0 20px 60px rgba(255,107,157,.28);
  --ease:cubic-bezier(.22,1,.36,1);
  --spring:cubic-bezier(.34,1.56,.64,1);
}

/* ---------- Reset & base ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{min-height:100%}
body{
  font-family:'Quicksand',system-ui,-apple-system,'Segoe UI',sans-serif;
  color:var(--text);
  background:linear-gradient(120deg,#ffe0ec,#fff1f6,#ffe9d9,#f6e3ff,#ffe0ec);
  background-size:300% 300%;
  animation:bgShift 20s ease infinite;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
@keyframes bgShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* Soft glowing blobs drifting in the background */
body::before,body::after{
  content:"";position:fixed;z-index:0;pointer-events:none;border-radius:50%;filter:blur(70px);opacity:.55;
}
body::before{width:42vmax;height:42vmax;left:-12vmax;top:-10vmax;background:#ffb3d1;animation:drift 16s ease-in-out infinite alternate}
body::after{width:36vmax;height:36vmax;right:-10vmax;bottom:-10vmax;background:#e6c6ff;animation:drift 20s ease-in-out infinite alternate-reverse}
@keyframes drift{from{transform:translate(0,0) scale(1)}to{transform:translate(6vmax,5vmax) scale(1.15)}}

/* ---------- Layout ---------- */
.wrap{
  min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;
  padding:max(16px,env(safe-area-inset-top)) 16px max(16px,env(safe-area-inset-bottom));
  position:relative;z-index:2;
}
/* NOTE: no backdrop-filter here. It would trap the position:fixed NO button inside the card. */
.card{
  display:none;position:relative;width:100%;max-width:480px;
  background:rgba(255,255,255,.93);
  border:1px solid rgba(255,255,255,.95);border-radius:28px;
  padding:34px 24px;text-align:center;
  box-shadow:var(--shadow),0 2px 0 rgba(255,255,255,.8) inset;
}
.card::before{ /* gradient accent bar */
  content:"";position:absolute;left:0;right:0;top:0;height:5px;border-radius:28px 28px 0 0;
  background:linear-gradient(90deg,var(--pink),var(--lilac),var(--pink));background-size:200% 100%;
  animation:barSlide 4s linear infinite;
}
@keyframes barSlide{to{background-position:200% 0}}
.card.active{display:block;animation:cardIn .6s var(--ease)}
@keyframes cardIn{from{opacity:0;transform:translateY(24px) scale(.96)}to{opacity:1;transform:none}}

/* ---------- Typography ---------- */
h1,h2{font-family:'Dancing Script',cursive;line-height:1.15;font-weight:700}
h1{
  font-size:clamp(2.5rem,9vw,3.5rem);margin-bottom:10px;
  background:linear-gradient(90deg,var(--pink),#ff4d8d,var(--lilac),var(--pink));background-size:250% 100%;
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
  animation:titleShine 6s linear infinite;
}
@keyframes titleShine{to{background-position:250% 0}}
h2{font-size:clamp(1.8rem,7vw,2.4rem);color:var(--pink);margin-bottom:18px}
.lead{font-size:1.15rem;font-weight:600;margin:10px 0 24px;color:var(--text)}
.nm{font-style:normal}
.final-title{font-size:clamp(2rem,8vw,2.9rem)}

.big-emoji{font-size:3.6rem;margin-bottom:8px;display:inline-block;filter:drop-shadow(0 6px 10px rgba(255,107,157,.3));animation:floaty 3.5s ease-in-out infinite}
.bounce{animation:bounce 1.6s ease-in-out infinite}
@keyframes floaty{50%{transform:translateY(-8px) rotate(3deg)}}
@keyframes bounce{0%,100%{transform:translateY(0) scale(1)}40%{transform:translateY(-14px) scale(1.06)}60%{transform:translateY(-14px) scale(1.06)}}

/* ---------- Buttons ---------- */
.btn{
  position:relative;overflow:hidden;border:none;cursor:pointer;
  font:700 1.1rem 'Quicksand',sans-serif;padding:15px 30px;border-radius:999px;
  transition:transform .2s var(--spring),box-shadow .25s,filter .2s;touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
.btn.yes{
  background:linear-gradient(135deg,var(--pink),var(--pink2) 55%,#ff7aa8);color:#fff;margin-top:10px;
  box-shadow:0 8px 22px rgba(255,107,157,.45);
  animation:glow 2.4s ease-in-out infinite;
}
.btn.yes::after{ /* light sweep */
  content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);animation:sweep 3.2s ease-in-out infinite;
}
@keyframes sweep{0%,60%{left:-70%}100%{left:130%}}
@keyframes glow{0%,100%{box-shadow:0 8px 22px rgba(255,107,157,.4)}50%{box-shadow:0 10px 34px rgba(255,107,157,.75)}}
.btn.yes:hover{transform:translateY(-3px);filter:brightness(1.05)}
.btn.yes:active{transform:scale(.97)}
.btn.yes:disabled{opacity:.6;cursor:not-allowed;animation:none;filter:grayscale(.2)}
.btn.no{
  background:#fff;color:#9a8190;border:2px solid #f1e3ea;box-shadow:0 4px 12px rgba(0,0,0,.06);
  transition:left .3s var(--spring),top .3s var(--spring),transform .15s;
}
.btn-row{display:flex;gap:16px;justify-content:center;align-items:center;min-height:76px;flex-wrap:wrap}
.hint{min-height:1.5em;margin-top:14px;font-weight:700;color:var(--pink)}

/* ---------- Form fields ---------- */
input[type=text],input[type=date],input[type=time]{
  width:100%;font:600 1.05rem 'Quicksand',sans-serif;padding:15px 16px;border-radius:16px;
  border:2px solid var(--soft);background:var(--cream);color:var(--text);margin:8px 0;
  outline:none;text-align:center;color-scheme:light;transition:border-color .2s,box-shadow .2s,background .2s;
}
input::placeholder{color:#c9a5b6;font-weight:500}
input:focus{border-color:var(--pink);background:#fff;box-shadow:0 0 0 4px rgba(255,107,157,.18)}
.hidden{display:none!important}
#customTime:not(.hidden){animation:cardIn .35s var(--ease)}
.error{color:#d6336c;font-weight:700;min-height:1.4em;margin:6px 0;font-size:.95rem}
.error:not(:empty){animation:shake .4s}
@keyframes shake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.picked{font-weight:700;color:var(--pink);margin-top:6px;min-height:1.3em}
.picked:not(:empty){animation:cardIn .4s var(--ease)}

/* ---------- Choice cards ---------- */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:10px 0}
.opt{
  position:relative;border:2px solid var(--soft);background:var(--cream);border-radius:18px;
  padding:14px 8px;font:700 1rem 'Quicksand',sans-serif;color:var(--text);cursor:pointer;
  transition:transform .2s var(--spring),border-color .2s,box-shadow .2s,background .2s,color .2s;
  touch-action:manipulation;-webkit-tap-highlight-color:transparent;
  animation:optIn .5s var(--spring) backwards;
}
.opt .em{display:block;font-size:2rem;margin-bottom:4px;transition:transform .25s var(--spring)}
.opt:hover{transform:translateY(-3px);border-color:var(--pink2);box-shadow:0 8px 18px rgba(255,107,157,.2)}
.opt:hover .em{transform:scale(1.18) rotate(-6deg)}
.opt:active{transform:scale(.96)}
.opt.sel{
  background:linear-gradient(135deg,var(--pink),var(--pink2));color:#fff;border-color:var(--pink);
  transform:scale(1.04);box-shadow:0 10px 24px rgba(255,107,157,.45);
}
.opt.sel::after{ /* check badge */
  content:"✓";position:absolute;top:-8px;right:-8px;width:24px;height:24px;border-radius:50%;
  background:#fff;color:var(--rose);font-size:.85rem;line-height:24px;box-shadow:0 3px 8px rgba(0,0,0,.18);
  animation:pop .35s var(--spring);
}
@keyframes pop{from{transform:scale(0)}to{transform:scale(1)}}
@keyframes optIn{from{opacity:0;transform:translateY(16px) scale(.9)}}
.grid .opt:nth-child(1){animation-delay:.03s}.grid .opt:nth-child(2){animation-delay:.08s}
.grid .opt:nth-child(3){animation-delay:.13s}.grid .opt:nth-child(4){animation-delay:.18s}
.grid .opt:nth-child(5){animation-delay:.23s}.grid .opt:nth-child(6){animation-delay:.28s}
.grid .opt:nth-child(7){animation-delay:.33s}.grid .opt:nth-child(8){animation-delay:.38s}
.grid .opt:nth-child(9){animation-delay:.43s}.grid .opt:nth-child(10){animation-delay:.48s}

/* ---------- Final summary ---------- */
.summary{list-style:none;margin:18px 0;text-align:left;background:linear-gradient(180deg,var(--cream),#fff);border:1px solid var(--soft);border-radius:20px;padding:6px 16px}
.summary li{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px dashed #ffc9dc;animation:slideIn .5s var(--ease) backwards}
.summary li:last-child{border-bottom:none}
.summary li:nth-child(1){animation-delay:.1s}.summary li:nth-child(2){animation-delay:.2s}
.summary li:nth-child(3){animation-delay:.3s}.summary li:nth-child(4){animation-delay:.4s}
.summary li:nth-child(5){animation-delay:.5s}
@keyframes slideIn{from{opacity:0;transform:translateX(-18px)}}
.summary span{color:var(--muted);font-weight:600;white-space:nowrap}
.summary b{text-align:right;color:var(--rose);word-break:break-word}
.saved{display:inline-block;font-weight:700;color:#23865a;background:#e8f9ef;padding:10px 18px;border-radius:999px;animation:pop .5s var(--spring) .7s backwards}

/* ---------- Overlays ---------- */
.overlay{
  position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:rgba(255,240,246,.82);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  font-weight:700;color:var(--rose);animation:fade .25s ease;
}
@keyframes fade{from{opacity:0}}
.spinner{position:relative;width:56px;height:56px;border-radius:50%;border:6px solid var(--soft);border-top-color:var(--pink);animation:spin 1s linear infinite}
.spinner::after{content:"💗";position:absolute;inset:0;display:grid;place-items:center;font-size:18px;animation:spin 1s linear infinite reverse}
@keyframes spin{to{transform:rotate(360deg)}}
.yay-text{font-family:'Dancing Script',cursive;font-size:clamp(2.6rem,12vw,4rem);color:var(--pink);animation:yay .7s var(--spring)}
@keyframes yay{from{opacity:0;transform:scale(.3) rotate(-8deg)}}

/* ---------- Decorations ---------- */
#confetti{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:60}
.hearts{position:fixed;inset:0;overflow:hidden;pointer-events:none;z-index:1}
.heart{position:absolute;bottom:-40px;opacity:0;animation:floatUp linear infinite;filter:drop-shadow(0 2px 4px rgba(255,107,157,.3))}
@keyframes floatUp{
  0%{transform:translateY(0) rotate(-10deg);opacity:0}
  10%{opacity:.65}
  50%{transform:translateY(-60vh) translateX(22px) rotate(10deg)}
  100%{transform:translateY(-115vh) translateX(-12px) rotate(25deg);opacity:0}
}

/* ---------- Focus (keyboard users) ---------- */
:focus-visible{outline:3px solid rgba(224,69,123,.55);outline-offset:3px}

/* ---------- Responsive ---------- */
@media (max-width:380px){
  .card{padding:28px 16px}
  .btn{padding:13px 22px;font-size:1rem}
  .opt{font-size:.92rem;padding:12px 6px}
  .summary li{flex-direction:column;align-items:flex-start;gap:2px}
  .summary b{text-align:left}
}
@media (min-width:700px){
  .card{padding:44px 40px;max-width:540px}
  .grid.choices{grid-template-columns:repeat(3,1fr)}
}

/* ---------- Accessibility: reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .hearts,body::before,body::after{display:none}
}