:root {
  --bg-gradient-premium: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
  --text-color: #ffffff;
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --accent-color: #FFD700;
  --box-red: #d32f2f;
  --box-shadow: rgba(0, 0, 0, 0.4);
}

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

body {
  background: var(--bg-gradient-premium);
  color: var(--text-color);
  font-family: 'Inter', sans-serif;
  overflow: hidden;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

/* Countdown Container */
.container {
  color: var(--text-color);
  text-align: center;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 3rem 4rem;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  z-index: 100;
  position: relative;
  transition: opacity 0.5s ease;
}

h1 {
  font-family: 'Dancing Script', cursive;
  font-weight: 700;
  font-size: 5rem;
  margin-bottom: 2rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.3);
  letter-spacing: 1px;
}

ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  padding: 0;
}

li {
  display: flex;
  flex-direction: column;
  align-items: center;
  list-style-type: none;
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: 0.1em;
  opacity: 0.9;
}

li span {
  display: block;
  font-size: 5rem;
  font-weight: 300;
  line-height: 1;
  margin-bottom: 0.5rem;
  text-shadow: 0 4px 6px rgba(0,0,0,0.2);
  font-variant-numeric: tabular-nums;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    h1 { font-size: 3rem; }
    .container { padding: 2rem; width: 90%; }
    ul { gap: 1rem; }
    li span { font-size: 3rem; }
    li { font-size: 0.8rem; }
}

/* --- Giftbox Logic --- */

.merrywrap {
  position: absolute;
  right: 0;
  left: 0;
  bottom: 0;
  top: 0;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: flex-end;
  padding-bottom: 10vh;
}

.giftbox {
  position: relative;
  width: 300px;
  height: 200px;
  z-index: 10;
  cursor: pointer;
  pointer-events: auto;
}

.giftbox > div {
  background: var(--box-red);
  position: absolute;
  box-shadow: 5px 10px 18px var(--box-shadow);
}

.giftbox > div:after,
.giftbox > div:before {
  position: absolute;
  content: "";
  top: 0;
}

.giftbox:after {
  position: absolute;
  color: #fff;
  width: 100%;
  left: 0;
  bottom: 20px;
  font-size: 24px;
  text-align: center;
  transform: rotate(-20deg);
  transform-origin: 0 0;
  font-family: 'Dancing Script', cursive;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
  content: "Open Me!";
}

.giftbox .cover {
  width: 100%;
  top: 0;
  left: 0;
  height: 25%;
  z-index: 2;
}

.giftbox .cover:before {
  position: absolute;
  height: 100%;
  left: 50%;
  width: 50px;
  transform: translateX(-50%);
  background: var(--accent-color);
}

.giftbox .cover > div {
  position: absolute;
  width: 50px;
  height: 50px;
  left: 50%;
  top: -50px;
  transform: translateX(-50%);
}

.giftbox .cover > div:after,
.giftbox .cover > div:before {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  content: "";
  box-shadow: inset 0 0 0 15px var(--accent-color);
  border-radius: 30px;
  transform-origin: 50% 100%;
}

.giftbox .cover > div:before {
  transform: translateX(-45%) skewY(40deg);
}
.giftbox .cover > div:after {
  transform: translateX(45%) skewY(-40deg);
}

.giftbox .box {
  right: 5%;
  left: 5%;
  height: 80%;
  bottom: 0;
}

.giftbox .box:before {
  width: 50px;
  height: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-color);
}

.giftbox .box:after {
  width: 100%;
  height: 30px;
  background: rgba(0, 0, 0, 0.2);
}

/* Animations */
.step-1 .giftbox {
  animation: wobble 0.5s linear infinite forwards;
}
.step-1 .cover {
  animation: wobble 0.5s linear infinite 5s forwards;
}
.step-1 .icons .row span {
  opacity: 1;
}

.step-2 .giftbox:after {
  opacity: 0;
}

.step-3 .giftbox,
.step-4 .giftbox {
  opacity: 0;
  z-index: 1;
}

.step-3 .giftbox:after,
.step-4 .giftbox:after {
  opacity: 0;
}

.step-2 .giftbox .cover {
  animation: flyUp 2s ease-in forwards;
}
.step-2 .giftbox .box {
  animation: flyDown 2s ease-in 50ms forwards;
}

@keyframes wobble {
  25% { transform: rotate(4deg); }
  75% { transform: rotate(-2deg); }
}

@keyframes flyUp {
  75% { opacity: 1; }
  100% { transform: translateY(-1000px) rotate(20deg); opacity: 0; }
}

@keyframes flyDown {
  75% { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}