/* Valentine Tool (Customizable) */
:root{
  --vt-bg0:#070711;
  --vt-bg1:#0f1022;
  --vt-text:#f6f6ff;
  --vt-accent:#ff4d6d;
  --vt-accent2:#ffb703;
  --vt-radius:22px;
  --vt-font:system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;

  --vt-card: rgba(255,255,255,.06);
  --vt-card2: rgba(255,255,255,.10);
  --vt-muted: rgba(246,246,255,.72);
  --vt-shadow: 0 18px 70px rgba(0,0,0,.45);
}

.vt-shell{
  position: relative;
  overflow: hidden;
  background: radial-gradient(1200px 700px at 20% 10%, color-mix(in srgb, var(--vt-accent) 25%, transparent), transparent 60%),
              radial-gradient(900px 600px at 80% 0%, color-mix(in srgb, var(--vt-accent2) 18%, transparent), transparent 55%),
              linear-gradient(180deg, var(--vt-bg0), var(--vt-bg1));
  color: var(--vt-text);
  padding: clamp(16px, 3vw, 28px);
  border-radius: var(--vt-radius);
  box-shadow: var(--vt-shadow);
  max-width: 980px;
  margin: 18px auto;
  font-family: var(--vt-font);
}

.vt-header{ text-align:center; margin: 6px 0 18px; }
.vt-title{
  font-size: clamp(24px, 3.2vw, 42px);
  line-height: 1.1;
  letter-spacing: .2px;
  margin: 0 0 6px;
}
.vt-subtitle{
  margin: 0;
  color: var(--vt-muted);
  font-size: clamp(14px, 1.6vw, 16px);
}

.vt-app{
  background: var(--vt-card);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: var(--vt-radius);
  padding: clamp(14px, 2.2vw, 22px);
  backdrop-filter: blur(10px);
}

.vt-footer{
  margin-top: 16px;
  text-align:center;
  color: rgba(246,246,255,.55);
}


.vt-grid{
  display:grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
@media (min-width: 860px){
  .vt-grid{ grid-template-columns: 1.1fr .9fr; align-items: start; }
}

.vt-card{
  background: rgba(0,0,0,.22);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 18px;
  padding: 16px;
}

.vt-label{
  display:block;
  font-size: 13px;
  color: rgba(246,246,255,.76);
  margin-bottom: 6px;
}
.vt-input{
  width:100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(10,10,22,.55);
  color: var(--vt-text);
  outline: none;
}
.vt-input:focus{
  border-color: color-mix(in srgb, var(--vt-accent) 55%, white);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--vt-accent) 12%, transparent);
}

.vt-row{ display:flex; gap:10px; flex-wrap:wrap; align-items:center; }
.vt-btn{
  appearance:none;
  border: 0;
  cursor:pointer;
  padding: 12px 14px;
  border-radius: 999px;
  font-weight: 700;
  color: #120813;
  background: linear-gradient(135deg, var(--vt-accent), color-mix(in srgb, var(--vt-accent) 60%, white));
  box-shadow: 0 10px 30px color-mix(in srgb, var(--vt-accent) 25%, transparent);
  transition: transform .12s ease, filter .12s ease;
  user-select:none;
  touch-action: manipulation;
}
.vt-btn:hover{ filter: brightness(1.05); transform: translateY(-1px); }
.vt-btn:active{ transform: translateY(1px) scale(.99); }

.vt-btn-secondary{
  background: rgba(255,255,255,.12);
  color: var(--vt-text);
  box-shadow: none;
  border: 1px solid rgba(255,255,255,.16);
}
.vt-btn-good{
  background: linear-gradient(135deg, #2ee59d, #a8ffdf);
  color: #052015;
  box-shadow: 0 10px 30px rgba(46,229,157,.18);
}

.vt-help{ color: rgba(246,246,255,.65); font-size: 13px; margin: 10px 0 0; }

.vt-linkbox{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 12px;
  word-break: break-all;
  color: rgba(246,246,255,.9);
  font-size: 13px;
}

.vt-badge{
  display:inline-flex;
  gap:8px;
  align-items:center;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: rgba(246,246,255,.88);
  font-size: 12px;
}

.vt-divider{ height:1px; background: rgba(255,255,255,.10); margin: 14px 0; }

/* Recipient */
.vt-q{
  text-align:center;
  padding: 10px 6px 4px;
}
.vt-q h2{
  margin: 0 0 10px;
  font-size: clamp(20px, 2.8vw, 34px);
}
.vt-q p{
  margin: 0 0 14px;
  color: rgba(246,246,255,.72);
}

/* Action area: more responsive on mobile */
.vt-actions{
  position: relative;
  width: 100%;
  min-height: clamp(220px, 38vh, 340px);
  display:flex;
  align-items:center;
  justify-content:center;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px;
}

@media (max-width: 520px){
  .vt-actions{
    min-height: clamp(260px, 46vh, 420px);
    padding: 14px 10px;
  }
}

/* The Yes button stays put */
.vt-yes{
  position: relative;
  z-index: 2;
}

/* Spacer keeps layout stable when No becomes absolute */
.vt-no-spacer{
  display:inline-block;
  width: 0;
  height: 0;
}

/* Bounce animation when No relocates */
@keyframes vtBounce {
  0% { transform: translate(0,0) scale(1); }
  45% { transform: translate(0,0) scale(1.08); }
  70% { transform: translate(0,0) scale(0.98); }
  100% { transform: translate(0,0) scale(1); }
}
.vt-bounce{
  animation: vtBounce 260ms ease-out;
}

/* Fireworks canvas */
#vt-fireworks{
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 99999;
  pointer-events: none;
}

/* Floating dots background */
.vt-bg-hearts{
  position:absolute;
  inset:-20px;
  pointer-events:none;
  opacity:.25;
  filter: blur(.2px);
  background-image:
    radial-gradient(circle at 20% 30%, color-mix(in srgb, var(--vt-accent) 65%, transparent) 0 2px, transparent 3px),
    radial-gradient(circle at 60% 70%, color-mix(in srgb, var(--vt-accent2) 55%, transparent) 0 2px, transparent 3px),
    radial-gradient(circle at 75% 35%, color-mix(in srgb, var(--vt-accent) 65%, white) 0 2px, transparent 3px),
    radial-gradient(circle at 30% 80%, rgba(46,229,157,.45) 0 2px, transparent 3px);
  background-size: 260px 260px;
  animation: vtFloat 10s linear infinite;
}
@keyframes vtFloat{
  0%{ transform: translate3d(0,0,0); }
  50%{ transform: translate3d(18px,-10px,0); }
  100%{ transform: translate3d(0,0,0); }
}

.vt-toast{
  margin-top: 10px;
  color: rgba(246,246,255,.85);
  font-size: 13px;
}

/* Dashboard list */
.vt-list{ margin: 0; padding: 0; list-style:none; display:flex; flex-direction:column; gap: 10px; }
.vt-item{
  padding: 12px 12px;
  border-radius: 16px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  display:flex;
  justify-content:space-between;
  gap: 10px;
}
.vt-item b{ font-weight: 800; }
.vt-item time{ color: rgba(246,246,255,.65); font-size: 12px; white-space:nowrap; }


/* Mobile tweaks */
@media (max-width: 520px){
  .vt-btn{
    padding: 14px 16px;
    font-size: 16px;
  }
  .vt-row{ gap: 12px; }
  #vt-generate{ width: 100%; }
  #vt-copy-share, #vt-open-share, #vt-copy-dash, #vt-open-dash{ width: 100%; }
}


/* After-Yes CTA link */
.vt-cta-wrap{
  margin-top: 12px;
  display:flex;
  justify-content:center;
}
.vt-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 16px;
  border-radius: 999px;
  text-decoration:none;
  font-weight: 800;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  color: var(--vt-text);
}
.vt-cta:hover{ filter: brightness(1.06); }


/* Responsive enhancements */
.vt-result-card{
  background: rgba(255,255,255,.03);
}

.vt-linkcols{
  display:flex;
  gap: 12px;
  align-items: stretch;
  justify-content: space-between;
  flex-wrap: wrap;
}

.vt-linkcol{
  flex: 1 1 320px;
  min-width: 0; /* prevent overflow */
}

.vt-linkactions{
  margin-top: 10px;
}

/* Make the overall card feel app-like on mobile */
@media (max-width: 680px){
  .vt-shell{
    margin: 12px 10px;
    padding: 16px;
    border-radius: calc(var(--vt-radius) * 0.75);
  }
  .vt-app{
    padding: 14px;
  }
  .vt-card{
    padding: 14px;
  }
    .vt-linkcol{
    flex-basis: 100%;
  }
}

/* Extra-small devices: bigger tap targets, less cramped layout */
@media (max-width: 420px){
  .vt-title{ font-size: 26px; }
  .vt-subtitle{ font-size: 14px; }
  .vt-input{ padding: 14px 14px; font-size: 16px; } /* avoids iOS zoom */
  .vt-btn{ width: 100%; justify-content:center; }
  .vt-badge{ width: 100%; justify-content:center; text-align:center; }
  .vt-actions{ min-height: clamp(300px, 54vh, 520px); }
}

/* Safe-area padding (iOS notch) */
@supports (padding: env(safe-area-inset-bottom)){
  .vt-shell{
    padding-bottom: calc(clamp(16px, 3vw, 28px) + env(safe-area-inset-bottom));
  }
}


/* Mobile performance (prevents “freeze” on low-end phones) */
@media (max-width: 680px){
  /* Blur + animated background can be expensive on mobile GPUs */
  .vt-app{ backdrop-filter: none; }
  .vt-bg-hearts{ animation: none; opacity: .16; }
  .vt-shell{ box-shadow: 0 12px 32px rgba(0,0,0,.30); }
}

/* Respect reduced motion */
@media (prefers-reduced-motion: reduce){
  .vt-bg-hearts{ animation: none !important; }
  .vt-btn{ transition: none !important; }
  .vt-no{ transition: none !important; }
}

.vt-shell, .vt-btn, .vt-input{ -webkit-tap-highlight-color: transparent; }