/* ==========================================================
   KeyDrop — minimalist AI-themed UI
   Accent: #74AA9C (edit in js/config.js or here)
   ========================================================== */

:root{
  --accent: #74AA9C;
  --bg0: #050707;
  --bg1: #0b0f10;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.04);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.64);
  --muted2: rgba(255,255,255,0.48);
  --border: rgba(var(--accent-rgb),0.28);
  --border2: rgba(255,255,255,0.10);
  --shadow: 0 22px 70px rgba(0,0,0,0.40);
  --radius: 22px;
  --radius2: 16px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

*{ box-sizing: border-box; }
html,body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: radial-gradient(1200px 600px at 18% 10%, rgba(var(--accent-rgb),0.18), transparent 55%),
              radial-gradient(900px 500px at 82% 30%, rgba(var(--accent-rgb),0.12), transparent 52%),
              radial-gradient(1000px 700px at 50% 100%, rgba(255,255,255,0.05), transparent 55%),
              linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x: hidden;
}

body::after{
  content:"";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.02) 0 1px, transparent 1px 32px);
  opacity: 0.16;
  mask-image: radial-gradient(circle at 40% 40%, rgba(0,0,0,1), rgba(0,0,0,0.15) 60%, rgba(0,0,0,0) 75%);
}

a{ color: inherit; }
img{ max-width: 100%; display: block; }

.skip{
  position:absolute;
  left:-999px;
  top: 8px;
  padding: 10px 12px;
  background: rgba(0,0,0,0.75);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 10px;
  color: white;
  text-decoration:none;
}
.skip:focus{ left: 8px; z-index: 9999; }

.page{
  min-height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 18px;
  padding: 22px 18px 28px;
}

/* --- Ads --- */
.top, .bottom{
  display: flex;
  justify-content: center;
}
.ad{
  display: block;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.03);
  box-shadow: 0 12px 35px rgba(0,0,0,0.24);
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
  text-decoration: none;
}
.ad:focus-visible{
  outline: 2px solid rgba(var(--accent-rgb),0.55);
  outline-offset: 3px;
}
.ad:hover{
  transform: translateY(-2px);
  border-color: rgba(var(--accent-rgb),0.44);
  box-shadow: 0 22px 55px rgba(0,0,0,0.30);
}
.ad-horizontal{
  width: min(920px, 100%);
}
.ad-vertical{
  width: 200px;
  height: 540px;
}
.ad-img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Layout --- */
.layout{
  display: grid;
  grid-template-columns: minmax(0, 220px) minmax(0, 1fr) minmax(0, 220px);
  gap: 22px;
  align-items: start;
  width: min(1200px, 100%);
  margin: 0 auto;
}

.side{
  display:flex;
  justify-content:center;
  position: sticky;
  top: 18px;
  align-self: start;
}

/* --- Hero --- */
.hero{
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  border: 1px solid rgba(var(--accent-rgb),0.22);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 22px 18px;
  position: relative;
  overflow: hidden;
}

.hero::before{
  content:"";
  position:absolute;
  inset:-40px;
  background: radial-gradient(circle at 20% 0%, rgba(var(--accent-rgb),0.25), transparent 40%),
              radial-gradient(circle at 100% 40%, rgba(var(--accent-rgb),0.14), transparent 44%);
  opacity: 0.9;
  pointer-events:none;
  filter: blur(10px);
}

.hero > *{ position: relative; z-index: 1; }

.brand{
  display:flex;
  align-items:center;
  gap: 12px;
  margin-bottom: 14px;
}
.mark{
  width: 42px; height: 42px;
  border-radius: 14px;
  display:grid;
  place-items:center;
  border: 1px solid rgba(var(--accent-rgb),0.35);
  background: rgba(0,0,0,0.25);
}
.mark-stroke{ stroke: rgba(var(--accent-rgb),0.85); }
.mark-fill{ fill: rgba(var(--accent-rgb),0.95); }

.brand-name{
  font-weight: 680;
  letter-spacing: 0.3px;
}
.brand-tag{
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

.title{
  margin: 0;
  font-size: clamp(28px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.05;
}
.subtitle{
  margin: 10px 0 18px;
  font-size: 15px;
  color: var(--muted);
  line-height: 1.45;
}
.accent{
  color: rgba(var(--accent-rgb),1);
  font-weight: 650;
}

/* --- Card (timer + CTA) --- */
.card{
  background: rgba(0,0,0,0.22);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--radius2);
  padding: 18px;
}

.card-top{
  display:flex;
  gap: 12px;
  align-items:center;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.status{
  display:flex;
  align-items:center;
  gap: 10px;
  color: rgba(255,255,255,0.78);
  font-size: 13px;
}
.dot{
  width: 10px; height: 10px;
  border-radius: 999px;
  background: rgba(var(--accent-rgb),0.75);
  box-shadow: 0 0 0 4px rgba(var(--accent-rgb),0.18);
  animation: pulse 2.2s ease-in-out infinite;
}

@keyframes pulse{
  0%,100%{ transform: scale(1); opacity: 0.9; }
  50%{ transform: scale(1.2); opacity: 0.6; }
}

.pills{
  display:flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pill{
  font-size: 12px;
  color: rgba(255,255,255,0.78);
  border: 1px solid rgba(var(--accent-rgb),0.28);
  background: rgba(var(--accent-rgb),0.08);
  padding: 7px 10px;
  border-radius: 999px;
}
.pill-muted{
  border-color: rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
}

.countdown{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.timebox{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  padding: 14px 12px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.timebox::before{
  content:"";
  position:absolute;
  inset:-10px;
  background: radial-gradient(circle at 30% 0%, rgba(var(--accent-rgb),0.20), transparent 50%);
  opacity: 0.6;
  pointer-events:none;
}
.num{
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 740;
  letter-spacing: 0.02em;
}
.lab{
  font-size: 12px;
  color: var(--muted);
  margin-top: 4px;
}

.cta{
  display:grid;
  gap: 10px;
  margin-top: 14px;
}

.btn{
  border: 1px solid rgba(var(--accent-rgb),0.38);
  background: linear-gradient(180deg, rgba(var(--accent-rgb),0.22), rgba(var(--accent-rgb),0.08));
  color: rgba(255,255,255,0.95);
  border-radius: 16px;
  padding: 14px 14px;
  font-weight: 720;
  letter-spacing: 0.2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 140ms ease, border-color 140ms ease, filter 140ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn:focus-visible{
  outline: 2px solid rgba(var(--accent-rgb),0.55);
  outline-offset: 3px;
}

.btn:hover{ transform: translateY(-1px); border-color: rgba(var(--accent-rgb),0.60); }
.btn:active{ transform: translateY(0px); filter: brightness(0.98); }

.btn:disabled{
  opacity: 0.55;
  cursor: not-allowed;
  transform: none !important;
}

.btn-glow{
  position:absolute;
  inset:-2px;
  background: radial-gradient(circle at 20% 10%, rgba(var(--accent-rgb),0.35), transparent 55%),
              radial-gradient(circle at 80% 40%, rgba(var(--accent-rgb),0.18), transparent 55%);
  opacity: 0.55;
  filter: blur(14px);
  pointer-events:none;
}

.btn-secondary{
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.90);
}

.helper{
  font-size: 12px;
  color: var(--muted);
  line-height: 1.45;
}

.micro{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--muted2);
}
.sep{ opacity: 0.55; }
.link{
  color: rgba(var(--accent-rgb),0.95);
  text-decoration: none;
  border-bottom: 1px solid rgba(var(--accent-rgb),0.30);
  padding-bottom: 2px;
}
.link:hover{ border-bottom-color: rgba(var(--accent-rgb),0.70); }
.link:focus-visible{ outline: 2px solid rgba(var(--accent-rgb),0.55); outline-offset: 3px; border-bottom-color: transparent; }

.how{
  margin-top: 16px;
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.how-item{
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.18);
  border-radius: 16px;
  display:flex;
  align-items:center;
  gap: 10px;
}
.how-n{
  width: 28px; height: 28px;
  border-radius: 999px;
  display:grid;
  place-items:center;
  border: 1px solid rgba(var(--accent-rgb),0.40);
  background: rgba(var(--accent-rgb),0.10);
  color: rgba(var(--accent-rgb),1);
  font-weight: 760;
  font-size: 13px;
}
.how-t{
  font-size: 13px;
  color: rgba(255,255,255,0.82);
}

.fineprint{
  margin: 14px 0 0;
  color: var(--muted2);
  font-size: 12px;
  line-height: 1.4;
}

/* --- Floating Help Button --- */
.fab{
  position: fixed;
  right: 18px;
  bottom: 18px;
  border-radius: 999px;
  padding: 12px 14px;
  border: 1px solid rgba(255,255,255,0.16);
  background: rgba(0,0,0,0.50);
  backdrop-filter: blur(10px);
  color: rgba(255,255,255,0.90);
  font-weight: 650;
  cursor:pointer;
  box-shadow: 0 12px 35px rgba(0,0,0,0.35);
  transition: transform 140ms ease, border-color 140ms ease;
}
.fab:hover{ transform: translateY(-1px); border-color: rgba(var(--accent-rgb),0.40); }
.fab:focus-visible{ outline: 2px solid rgba(var(--accent-rgb),0.55); outline-offset: 3px; }

/* --- Modal --- */
.modal{
  position: fixed;
  inset: 0;
  display: none;
  z-index: 1000;
}
.modal[aria-hidden="false"]{ display: grid; place-items: center; }

.modal-backdrop{
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.58);
  backdrop-filter: blur(6px);
}

.modal-card{
  width: min(720px, calc(100% - 26px));
  border-radius: 22px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(var(--accent-rgb),0.22);
  background: linear-gradient(180deg, rgba(10,14,15,0.95), rgba(5,7,7,0.92));
  box-shadow: 0 28px 90px rgba(0,0,0,0.55);
  position: relative;
}

.modal-close{
  position:absolute;
  top: 10px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.9);
  cursor:pointer;
  font-size: 18px;
}
.modal-close:hover{ border-color: rgba(var(--accent-rgb),0.35); }

.modal-title{
  margin: 6px 0 0;
  font-size: 20px;
  letter-spacing: -0.01em;
}
.modal-subtitle{
  margin: 6px 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.keybox{
  display:flex;
  gap: 10px;
  align-items: stretch;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.key{
  flex: 1 1 280px;
  font-family: var(--mono);
  font-size: 16px;
  color: rgba(255,255,255,0.94);
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px dashed rgba(var(--accent-rgb),0.45);
  background: rgba(var(--accent-rgb),0.08);
  letter-spacing: 0.08em;
  user-select: all;
}

.redeem{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
  padding: 12px;
  margin-bottom: 14px;
}
.redeem-top{
  display:flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.redeem-title{
  font-weight: 720;
  font-size: 13px;
  color: rgba(255,255,255,0.86);
}

.video{
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(0,0,0,0.35);
  position: relative;
}
.video-el{
  width: 100%;
  height: auto;
  max-height: 360px;
  display: block;
}
.video-fallback{
  position:absolute;
  inset: 0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 16px;
  text-align:center;
  color: rgba(255,255,255,0.78);
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(5px);
  font-size: 13px;
  line-height: 1.4;
}
.mono{ font-family: var(--mono); font-size: 12px; }

.modal-actions{
  display:flex;
  justify-content:flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

/* --- Help --- */
.help-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}
.help-tile{
  display:flex;
  gap: 12px;
  align-items:center;
  padding: 12px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.04);
  text-decoration: none;
}
.help-tile:hover{ border-color: rgba(var(--accent-rgb),0.35); }
.help-ic{
  width: 38px; height: 38px;
  display:grid;
  place-items:center;
  border-radius: 14px;
  border: 1px solid rgba(var(--accent-rgb),0.32);
  background: rgba(var(--accent-rgb),0.10);
}
.help-h{ font-weight: 720; font-size: 13px; }
.help-p{ color: var(--muted); font-size: 12px; margin-top: 2px; }

.help-note{
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(0,0,0,0.20);
  padding: 12px;
}
.help-note-title{ font-weight: 720; font-size: 13px; }
.help-note-body{ color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.4; }

/* --- Toast --- */
.toast{
  position: fixed;
  left: 50%;
  bottom: 84px;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.75);
  border: 1px solid rgba(255,255,255,0.14);
  color: rgba(255,255,255,0.92);
  padding: 10px 12px;
  border-radius: 999px;
  box-shadow: 0 18px 50px rgba(0,0,0,0.45);
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
  z-index: 1200;
}
.toast.show{
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* --- Responsive --- */
@media (max-width: 980px){
  .layout{
    grid-template-columns: 1fr;
  }
  .side{ display: none; }
  .ad-vertical{ display:none; }
  .how{ grid-template-columns: 1fr; }
  .help-grid{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  .dot{ animation: none; }
  .ad, .btn, .fab, .toast{ transition: none; }
}