* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  font-family: "Segoe UI", Arial, sans-serif;
  color: #e8f0f2;
  background:
    radial-gradient(900px 500px at 20% -10%, rgba(0, 255, 163, 0.08), transparent),
    radial-gradient(900px 500px at 80% 110%, rgba(0, 224, 255, 0.08), transparent),
    #0b0f14;
}

.page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
}

.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px dashed rgba(255, 255, 255, 0.14);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.02);
  overflow: hidden;
  margin: 14px auto;
}

.ad-slot.banner-top,
.ad-slot.banner-bottom {
  min-height: 100px;
  width: 100%;
  max-width: 760px;
}

.ad-slot.side {
  min-height: 560px;
  width: 320px;
  flex-shrink: 0;
}

.ad-label {
  color: rgba(255, 255, 255, 0.25);
  font-size: 13px;
  letter-spacing: 2px;
  user-select: none;
}

.layout {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  gap: 18px;
  align-items: start;
  margin-top: 24px;
}

.content {
  text-align: center;
  padding: 30px 16px 50px;
}

.title {
  font-size: 44px;
  letter-spacing: 4px;
  background: linear-gradient(90deg, #00ffa3, #00e0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: none;
}

.subtitle {
  margin-top: 12px;
  color: rgba(232, 240, 242, 0.6);
  font-size: 17px;
}

.btn-main {
  margin-top: 34px;
  padding: 20px 52px;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #04110b;
  background: linear-gradient(90deg, #00ffa3, #00e0ff);
  border: none;
  border-radius: 14px;
  cursor: pointer;
  box-shadow: 0 0 28px rgba(0, 255, 163, 0.35);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-main:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 0 42px rgba(0, 224, 255, 0.55);
}

.btn-main.btn-small {
  margin-top: 22px;
  padding: 14px 30px;
  font-size: 16px;
}

.hidden {
  display: none !important;
}

#timer-box {
  margin-top: 40px;
}

.ring-wrap {
  position: relative;
  width: 170px;
  height: 170px;
  margin: 0 auto;
}

.ring-bg,
.ring-fg {
  fill: none;
  stroke-width: 9;
  transform: rotate(-90deg);
  transform-origin: center;
}

.ring-bg {
  stroke: rgba(255, 255, 255, 0.1);
}

.ring-fg {
  stroke: url(#grad);
  stroke: #00ffa3;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.25s linear;
  filter: drop-shadow(0 0 8px rgba(0, 255, 163, 0.7));
}

.timer-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 46px;
  font-weight: 700;
  color: #00ffa3;
}

.plans {
  display: flex;
  gap: 18px;
  justify-content: center;
  margin-top: 34px;
  flex-wrap: wrap;
}

.btn-plan {
  min-width: 230px;
  padding: 24px 28px;
  background: #0d1620;
  border: 1px solid rgba(0, 255, 163, 0.35);
  border-radius: 14px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}

.btn-plan:hover {
  transform: translateY(-3px);
  border-color: #00ffa3;
  box-shadow: 0 0 32px rgba(0, 255, 163, 0.25);
}

.plan-title {
  display: block;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #00ffa3;
}

.plan-wait {
  display: block;
  margin-top: 10px;
  font-size: 14px;
  color: rgba(232, 240, 242, 0.5);
}

.btn-plan.gold {
  border-color: rgba(255, 170, 60, 0.4);
}

.btn-plan.gold .plan-title {
  color: #ffb46a;
}

.btn-plan.gold:hover {
  border-color: #ffb46a;
  box-shadow: 0 0 32px rgba(255, 170, 60, 0.25);
}

.btn-renew {
  display: block;
  margin: 18px auto 0;
  padding: 12px 30px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #00e0ff;
  background: rgba(0, 224, 255, 0.06);
  border: 1px solid rgba(0, 224, 255, 0.45);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.btn-renew:hover {
  background: rgba(0, 224, 255, 0.16);
  box-shadow: 0 0 24px rgba(0, 224, 255, 0.2);
}

.hint {
  margin-top: 18px;
  color: rgba(232, 240, 242, 0.45);
  font-size: 14px;
}

.error-box {
  margin-top: 26px;
  padding: 14px 20px;
  border-radius: 10px;
  background: rgba(255, 60, 60, 0.12);
  border: 1px solid rgba(255, 60, 60, 0.4);
  color: #ff8a8a;
}

.key-value {
  margin: 22px auto 0;
  max-width: 420px;
  padding: 18px 26px;
  font-family: Consolas, monospace;
  font-size: 26px;
  letter-spacing: 3px;
  color: #00ffa3;
  background: #0d1620;
  border: 1px solid rgba(0, 255, 163, 0.4);
  border-radius: 12px;
  box-shadow: 0 0 24px rgba(0, 255, 163, 0.2) inset;
  word-break: break-all;
}

.ready {
  margin-top: 36px;
  font-size: 20px;
  color: #00e0ff;
  letter-spacing: 1px;
}

.btn-copy {
  margin-top: 22px;
  padding: 13px 32px;
  font-size: 16px;
  font-weight: 600;
  color: #e8f0f2;
  background: rgba(0, 224, 255, 0.12);
  border: 1px solid rgba(0, 224, 255, 0.5);
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease;
}

.btn-copy:hover {
  background: rgba(0, 224, 255, 0.25);
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 11, 0.94);
  backdrop-filter: blur(6px);
}

.overlay-card {
  max-width: 480px;
  width: calc(100% - 40px);
  text-align: center;
  padding: 40px 30px;
  background: #101821;
  border: 1px solid rgba(255, 120, 60, 0.5);
  border-radius: 16px;
  box-shadow: 0 0 60px rgba(255, 120, 60, 0.25);
}

.overlay-card h2 {
  color: #ffb46a;
  letter-spacing: 2px;
}

.overlay-card p {
  margin-top: 16px;
  line-height: 1.6;
  color: rgba(232, 240, 242, 0.75);
}

@media (max-width: 1150px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .ad-slot.side {
    display: none;
  }
  .title {
    font-size: 30px;
  }
}