:root{
  --bg1:#f6fbff;
  --bg2:#dff2ff;
  --ink:#061a2a;
  --muted:#5b768d;

  --blue1:#1b7bff;
  --blue2:#6dd6ff;
  --blue3:#8d7bff;

  --glass: rgba(255,255,255,0.52);
  --glass2: rgba(255,255,255,0.72);
  --stroke: rgba(255,255,255,0.85);

  --shadow: 0 25px 90px rgba(10, 60, 110, 0.18);
  --shadow2: 0 18px 50px rgba(10, 60, 110, 0.14);

  --radius: 26px;
}

*{ box-sizing:border-box; }

html, body{
  height:100%;
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--ink);
}

.cs-wrap{
  min-height:100vh;
  width:100vw;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(1200px 700px at 50% 5%, rgba(120, 210, 255, 0.55), transparent 62%),
    radial-gradient(900px 500px at 18% 12%, rgba(141, 123, 255, 0.35), transparent 60%),
    linear-gradient(180deg, var(--bg2), var(--bg1));
}

/* Soft animated grid */
.cs-grid{
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(20,60,90,0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(20,60,90,0.06) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.18;
  mask-image: radial-gradient(circle at 50% 22%, black 0%, transparent 68%);
  pointer-events:none;
  transform: translateZ(0);
  animation: gridFloat 10s ease-in-out infinite;
}
@keyframes gridFloat{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

/* Glow orbs */
.cs-orb{
  position:absolute;
  border-radius:999px;
  filter: blur(55px);
  opacity: 0.7;
  pointer-events:none;
  transform: translateZ(0);
}
.cs-orb--a{
  width: 620px;
  height: 620px;
  left: -220px;
  top: -220px;
  background: radial-gradient(circle at 30% 30%, rgba(109,214,255,0.95), rgba(27,123,255,0.18), transparent 70%);
  animation: orbA 10s ease-in-out infinite;
}
.cs-orb--b{
  width: 760px;
  height: 760px;
  right: -300px;
  top: -320px;
  background: radial-gradient(circle at 40% 40%, rgba(141,123,255,0.8), rgba(27,123,255,0.14), transparent 72%);
  animation: orbB 12s ease-in-out infinite;
}
@keyframes orbA{
  0%,100%{ transform: translate(0,0); }
  50%{ transform: translate(40px, 25px); }
}
@keyframes orbB{
  0%,100%{ transform: translate(0,0); }
  50%{ transform: translate(-45px, 30px); }
}

/* Tiny sparkles */
.cs-sparkles{
  position:absolute;
  inset:0;
  pointer-events:none;
  opacity:0.35;
  background:
    radial-gradient(2px 2px at 20% 30%, rgba(255,255,255,0.9), transparent 60%),
    radial-gradient(2px 2px at 65% 20%, rgba(255,255,255,0.9), transparent 60%),
    radial-gradient(2px 2px at 80% 45%, rgba(255,255,255,0.85), transparent 60%),
    radial-gradient(2px 2px at 35% 70%, rgba(255,255,255,0.9), transparent 60%),
    radial-gradient(2px 2px at 55% 82%, rgba(255,255,255,0.85), transparent 60%);
  animation: sparkle 6s ease-in-out infinite;
}
@keyframes sparkle{
  0%,100%{ opacity:0.26; }
  50%{ opacity:0.42; }
}

/* Header */
.cs-header{
  padding: 22px 28px;
  position: relative;
  z-index: 3;
}

.cs-brand{
  display:flex;
  align-items:center;
  gap: 10px;
}

.cs-logo{
  width: 34px;
  height: 34px;
  border-radius: 8px;

  background: url("/static/icon.webp") center / contain no-repeat;
}


.cs-brand-name{
  font-weight: 800;
  letter-spacing: 0.2px;
  font-size: 18px;
}

.cs-badge{
  margin-left: 8px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.18em;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.85);
  backdrop-filter: blur(10px);
}

/* Hero */
.cs-hero{
  max-width: 980px;
  margin: 0 auto;
  min-height: calc(100vh - 80px);
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 24px 18px 70px;
  position: relative;
  z-index: 2;
}

/* Glass card */
.cs-card{
  width: min(920px, 96vw);
  padding: 44px 34px 36px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--glass2), var(--glass));
  border: 1px solid var(--stroke);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
  text-align:center;
  position: relative;
  overflow: hidden;
}

/* shiny top highlight */
.cs-card::before{
  content:"";
  position:absolute;
  left:-20%;
  top:-60%;
  width:140%;
  height:80%;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,0.55), transparent 60%);
  transform: rotate(-6deg);
  opacity: 0.7;
  pointer-events:none;
}

/* Meta */
.cs-meta{
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.25px;
}
.cs-meta-strong{
  color: var(--ink);
  font-weight: 800;
}

/* Big title with animated gradient */
.cs-title{
  margin: 14px 0 0;
  line-height: 1.02;
  letter-spacing: -0.04em;
  font-size: clamp(56px, 7vw, 96px);
}

.cs-title-glow{
  display:inline-block;
  background: linear-gradient(90deg, var(--blue1), var(--blue2), var(--blue3), var(--blue1));
  background-size: 300% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: gradientMove 5.5s ease-in-out infinite;
  text-shadow: 0 12px 50px rgba(27,123,255,0.18);
}
@keyframes gradientMove{
  0%,100%{ background-position: 0% 50%; }
  50%{ background-position: 100% 50%; }
}

.cs-sub{
  margin: 14px auto 0;
  max-width: 720px;
  color: rgba(60, 90, 112, 0.92);
  font-size: 16px;
  line-height: 1.6;
}

/* Countdown */
.cs-countdown{
  margin: 34px auto 0;
  display:flex;
  justify-content:center;
  gap: 16px;
  flex-wrap: wrap;
}

.cs-time{
  min-width: 120px;
  padding: 14px 14px 12px;
  border-radius: 18px;
  background: rgba(255,255,255,0.55);
  border: 1px solid rgba(255,255,255,0.85);
  box-shadow: var(--shadow2);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

/* subtle shine sweep */
.cs-time::after{
  content:"";
  position:absolute;
  top:-30%;
  left:-80%;
  width: 60%;
  height: 160%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: rotate(16deg);
  animation: shine 4.8s ease-in-out infinite;
  opacity: 0.75;
}
@keyframes shine{
  0%,60%{ left:-80%; }
  100%{ left:140%; }
}

.cs-num{
  font-size: 46px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.cs-label{
  margin-top: 6px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.24em;
  color: rgba(90,116,139,0.95);
}

/* CTA */
.cs-cta{
  margin: 26px auto 0;
  display:flex;
  justify-content:center;
  gap: 12px;
  flex-wrap: wrap;
}

.cs-input{
  width: min(430px, 92vw);
  height: 52px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(180,210,235,0.75);
  background: rgba(255,255,255,0.78);
  box-shadow: 0 18px 55px rgba(10,60,110,0.12);
  outline: none;
  font-size: 15px;
}

.cs-input:focus{
  border-color: rgba(27,123,255,0.55);
  box-shadow: 0 0 0 7px rgba(27,123,255,0.18), 0 18px 55px rgba(10,60,110,0.12);
}

.cs-btn{
  position: relative;
  height: 52px;
  padding: 0 22px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 900;
  letter-spacing: 0.2px;
  color: white;
  background: linear-gradient(90deg, var(--blue1), var(--blue2));
  box-shadow: 0 22px 70px rgba(27,123,255,0.35);
  transform: translateZ(0);
  transition: transform .18s ease, box-shadow .18s ease, filter .18s ease;
}

.cs-btn:hover{
  transform: translateY(-1px);
  filter: saturate(1.08);
  box-shadow: 0 28px 90px rgba(27,123,255,0.42);
}

.cs-btn-text{ position: relative; z-index: 2; }

.cs-btn-shine{
  position:absolute;
  inset:0;
  border-radius:999px;
  overflow:hidden;
  z-index: 1;
}

.cs-btn-shine::after{
  content:"";
  position:absolute;
  top:-40%;
  left:-60%;
  width: 40%;
  height: 180%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.65), transparent);
  transform: rotate(18deg);
  animation: btnShine 3.6s ease-in-out infinite;
  opacity: 0.85;
}
@keyframes btnShine{
  0%,60%{ left:-60%; }
  100%{ left:160%; }
}

.cs-note{
  margin-top: 14px;
  font-size: 12px;
  color: rgba(90,116,139,0.95);
}

/* ✅ Toast (updated) */
.cs-toast{
  width: fit-content;
  margin: 18px auto 0;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.65);
  border: 1px solid rgba(255,255,255,0.9);
  box-shadow: 0 18px 50px rgba(10,60,110,0.12);
  font-weight: 800;
  backdrop-filter: blur(12px);

  opacity: 0;
  transform: translateY(8px);
  animation: toastIn 220ms ease-out forwards;
  transition: opacity 0.45s ease, transform 0.45s ease;
}

/* category accents */
.cs-toast--success{
  border-color: rgba(27,123,255,0.35);
  box-shadow: 0 18px 50px rgba(27,123,255,0.12);
}
.cs-toast--error{
  border-color: rgba(255, 90, 90, 0.35);
  box-shadow: 0 18px 50px rgba(255, 90, 90, 0.10);
}
.cs-toast--info{
  border-color: rgba(109,214,255,0.45);
  box-shadow: 0 18px 50px rgba(109,214,255,0.10);
}

.cs-toast--hide{
  opacity: 0 !important;
  transform: translateY(-6px) !important;
}

@keyframes toastIn{
  to{ opacity: 1; transform: translateY(0); }
}

/* Mobile tweaks */
@media (max-width: 640px){
  .cs-card{ padding: 36px 18px 28px; }
  .cs-time{ min-width: 98px; }
  .cs-num{ font-size: 40px; }
  .cs-title{ font-size: clamp(50px, 9vw, 74px); }
}