/* ---------------------------------------------- palette: light blue, frog rust */
:root{
  --bg:#d7ecf5;
  --bg-soft:#e6f3f9;
  --bg-2:#ffffff;
  --ink:#16323d;
  --muted:#4d6d7a;
  --accent:#8b4030;
  --accent-2:#6f3226;
  --accent-soft:#f2ded7;
  --frog-blue:#74cfe6;
  --line:rgba(22,50,61,.13);
  --shadow:0 1px 2px rgba(22,50,61,.05), 0 14px 34px -14px rgba(22,50,61,.22);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);
  background-image:linear-gradient(180deg,var(--bg-soft),var(--bg) 55%);
  background-attachment:fixed;
  color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  min-height:100dvh;overflow-x:hidden;
}
h1,h2{font-family:Fraunces,Georgia,serif;font-weight:600;line-height:1.15;letter-spacing:-.01em;margin:0}
p{margin:0}
.muted{color:var(--muted)}
.small{font-size:.875rem}

.screen{position:relative;z-index:1;max-width:940px;margin:0 auto;padding:28px 20px 64px}
[hidden]{display:none !important}

/* ---------------------------------------------- login */
.login-screen{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{
  width:100%;max-width:400px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 30px 34px;box-shadow:var(--shadow);text-align:center;
  animation:rise .5s cubic-bezier(.2,.7,.3,1) both;
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.frog-badge{
  width:132px;margin:0 auto 16px;
}
.frog-badge svg,.frog-badge img{display:block;width:100%;height:auto}
.frog-badge img{aspect-ratio:4/3;object-fit:cover;border-radius:14px}

.login-card h1{font-size:1.45rem;margin-bottom:6px}
.login-card > .muted{margin-bottom:26px}
#login-form{display:grid;gap:14px;text-align:left}

.field{display:grid;gap:6px}
.field > span{font-size:.8rem;font-weight:500;color:var(--muted)}
.field em{font-style:normal;opacity:.7}
input,textarea{
  font:inherit;font-size:16px;color:var(--ink);background:var(--bg-soft);
  border:1px solid var(--line);border-radius:11px;padding:12px 14px;width:100%;
  transition:border-color .15s, box-shadow .15s;
}
textarea{resize:vertical;min-height:56px}
input:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* ---------------------------------------------- buttons */
.btn{
  font:inherit;font-weight:600;font-size:.95rem;border-radius:11px;padding:13px 18px;
  border:1px solid transparent;cursor:pointer;width:100%;
  transition:transform .12s, filter .15s, opacity .15s;
}
.btn:active{transform:scale(.985)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
.btn-ghost{background:transparent;color:var(--muted);border-color:var(--line)}
.btn-ghost:hover{color:var(--ink)}
.btn:disabled{opacity:.5;cursor:default;transform:none}
.linkish{
  background:none;border:none;padding:0;font:inherit;font-size:inherit;color:var(--muted);
  text-decoration:underline;text-underline-offset:3px;cursor:pointer;
}
.linkish:hover{color:var(--accent)}
.error{color:var(--accent);font-size:.875rem;margin-top:2px}

/* ---------------------------------------------- hero */
.hero{padding:26px 2px 30px;animation:rise .5s cubic-bezier(.2,.7,.3,1) both}
.eyebrow{font-size:.9rem;color:var(--muted);margin-bottom:8px;display:flex;align-items:center;gap:8px}
.eyebrow-frog{width:30px;height:23px;flex:none}
.hero h1{font-size:clamp(2rem,7vw,2.9rem);margin-bottom:10px}
.lede{max-width:46ch;font-size:1.02rem}

/* ---------------------------------------------- spotify */
.song{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);margin-bottom:34px;
  animation:rise .5s .06s cubic-bezier(.2,.7,.3,1) both;
}
.song-head{display:flex;gap:13px;align-items:flex-start;margin-bottom:14px}
.song-icon{
  flex:none;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(160deg,#e4f3f9,#c9e6f1);color:#2b7c95;
  display:grid;place-items:center;
  box-shadow:inset 0 0 0 1px rgba(43,124,149,.14);
}
.song-icon svg{width:21px;height:21px;display:block}
.song-head h2{font-size:1.1rem;margin-bottom:2px}
.song-embed iframe{display:block;width:100%;border:0;border-radius:12px}
.song-fallback{padding:14px;border:1px dashed var(--line);border-radius:12px;font-size:.9rem;color:var(--muted)}
.playlist-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:14px;
  font-size:.92rem;font-weight:500;color:var(--accent);text-decoration:none;
}
.playlist-link::after{content:"→";font-size:1.05em;transition:transform .15s}
.playlist-link:hover{text-decoration:underline;text-underline-offset:4px}
.playlist-link:hover::after{transform:translateX(3px)}

/* ---------------------------------------------- cards */
.cards{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){ .cards{grid-template-columns:repeat(2,1fr);gap:18px} }
@media (min-width:900px){
  /* three across by default; four looks better as a 2x2 block with bigger photos */
  .cards{grid-template-columns:repeat(3,1fr)}
  .cards.count-2,
  .cards.count-4{grid-template-columns:repeat(2,1fr)}
}

.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  animation:rise .5s cubic-bezier(.2,.7,.3,1) both;
}
.card:nth-child(1){animation-delay:.10s}
.card:nth-child(2){animation-delay:.16s}
.card:nth-child(3){animation-delay:.22s}
.card:nth-child(4){animation-delay:.28s}

.card-media{
  position:relative;aspect-ratio:4/3;overflow:hidden;display:grid;place-items:center;
  background:linear-gradient(165deg,#e9f5fa,#cfe9f3);
}
.card-media .ph{width:58%;height:auto;opacity:.9}
/* the placeholder frog, varied per card so three don't stack identically */
.card:nth-child(2) .card-media{background:linear-gradient(165deg,#eaf6f4,#cfe7e6)}
.card:nth-child(2) .ph{transform:scaleX(-1)}
.card:nth-child(3) .card-media{background:linear-gradient(165deg,#eef4fa,#d3dff0)}
.card:nth-child(3) .ph{width:50%;transform:rotate(-6deg)}
.card:nth-child(4) .card-media{background:linear-gradient(165deg,#f0f2f7,#d8dced)}
.card:nth-child(4) .ph{width:54%;transform:scaleX(-1) rotate(4deg)}
.card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}

.card-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-body h2{font-size:1.22rem}
.card-body p{font-size:.92rem;color:var(--muted);flex:1}
.card .btn{margin-top:6px}
.card.sent .btn-primary{background:var(--accent-soft);color:var(--accent)}
.stamp{font-size:.78rem;color:var(--muted);text-align:center;min-height:1.1em}

/* ---------------------------------------------- reassurance line */
.reassure{
  margin:26px auto 0;max-width:34ch;text-align:center;
  font-size:.88rem;color:var(--muted);
}

/* ---------------------------------------------- the frog hops */
.frog-badge,.eyebrow-frog{cursor:pointer;transform-origin:50% 100%}
@keyframes hop{
  0%   {transform:translateY(0)     scale(1,1)}
  14%  {transform:translateY(0)     scale(1.09,.9)}
  38%  {transform:translateY(-24px) scale(.95,1.08) rotate(-5deg)}
  62%  {transform:translateY(-9px)  scale(1,1)      rotate(2deg)}
  84%  {transform:translateY(0)     scale(1.07,.93)}
  100% {transform:translateY(0)     scale(1,1)}
}
.hop{animation:hop .62s cubic-bezier(.3,.7,.4,1)}
@media (prefers-reduced-motion: reduce){
  .hop{animation:none}
  .frog-badge,.eyebrow-frog{cursor:default}
}

/* ---------------------------------------------- quiet button */
.extra{margin-top:26px;text-align:center}
.btn-quiet{
  font:inherit;font-size:.9rem;font-weight:500;
  color:var(--muted);background:transparent;
  border:1px solid var(--line);border-radius:999px;
  padding:9px 20px;cursor:pointer;
  transition:color .15s, border-color .15s, background .15s;
}
.btn-quiet:hover{color:var(--accent);border-color:var(--accent);background:var(--bg-2)}
.btn-quiet:disabled{opacity:.5;cursor:default}

/* ---------------------------------------------- footer */
.foot{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  text-align:center;font-size:.92rem;color:#3d5c69;
}

/* ---------------------------------------------- modal */
.overlay{
  position:fixed;inset:0;z-index:50;background:rgba(16,42,52,.5);backdrop-filter:blur(4px);
  display:grid;place-items:center;padding:20px;animation:fade .18s ease both;
}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{
  width:100%;max-width:400px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow);text-align:center;
  animation:pop .22s cubic-bezier(.2,.8,.3,1) both;max-height:90dvh;overflow:auto;
}
@keyframes pop{from{opacity:0;transform:scale(.94) translateY(8px)}to{opacity:1;transform:none}}
.modal-emoji{font-size:30px;line-height:1;margin-bottom:8px}
.modal h2{font-size:1.35rem;margin-bottom:8px}
.modal > .muted{font-size:.95rem}
.note-field{margin:18px 0 4px;text-align:left}
.modal-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}

/* ---------------------------------------------- toast */
.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%);z-index:60;
  background:var(--ink);color:#eaf6fb;border-radius:999px;padding:12px 20px;
  font-size:.92rem;font-weight:500;display:flex;gap:9px;align-items:center;
  box-shadow:var(--shadow);animation:toastin .3s cubic-bezier(.2,.8,.3,1) both;
  max-width:calc(100vw - 32px);
}
@keyframes toastin{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translate(-50%,0)}}

/* ---------------------------------------------- setup banner */
.setup{
  position:relative;z-index:2;max-width:940px;margin:16px auto 0;
  background:#fff8e6;color:#5a4412;border:1px solid #f0d9a0;border-radius:12px;
  padding:14px 18px;font-size:.88rem;
}
.setup ul{margin:8px 0 0;padding-left:20px}
.setup li{margin:3px 0}
.setup code{background:rgba(0,0,0,.07);padding:1px 5px;border-radius:4px;font-size:.9em}
.setup-foot{margin-top:10px;opacity:.8;font-size:.82rem}
.setup:not([hidden]) ~ .login-screen{min-height:auto;padding-top:40px}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important}
}