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

/* ROOT COLORS */
:root {
  --main: #00bfff;
  --main-dark: #009acd;
  --bg: #f0faff;
  --text: #222;
}

/* BODY */
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: linear-gradient(135deg, #e6f7ff, #ffffff);
  color: var(--text);
  line-height: 1.7;
}

/* HEADER */
header {
  background: linear-gradient(135deg, #00bfff, #87cefa);
  padding: 18px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

header h1 {
  color: #fff;
  font-size: 24px;
  font-weight: bold;
}

/* CONTAINER */
.container {
  max-width: 900px;
  margin: auto;
  padding: 12px;
}

/* POST CARD (3D EFFECT) */
.post {
  background: #fff;
  margin: 15px 0;
  padding: 16px;
  border-radius: 16px;
  box-shadow: 
    0 8px 20px rgba(0,0,0,0.08),
    inset 0 -3px 0 rgba(0,0,0,0.05);
  transition: 0.3s;
}

.post:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: 
    0 15px 30px rgba(0,0,0,0.12),
    inset 0 -4px 0 rgba(0,0,0,0.08);
}

.post h2 {
  font-size: 18px;
  margin-bottom: 8px;
}

.post p {
  font-size: 14px;
  color: #555;
}

/* HEADINGS */
h1, h2, h3 {
  margin: 12px 0;
  color: var(--main-dark);
}

/* PARAGRAPH BOX (3D) */
p {
  background: #fff;
  padding: 12px;
  border-radius: 12px;
  margin: 12px 0;
  box-shadow: 
    0 5px 15px rgba(0,0,0,0.05),
    inset 0 -2px 0 rgba(0,0,0,0.04);
}

/* LINKS */
a {
  color: var(--main-dark);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  text-decoration: underline;
}

/* BUTTON (3D GLOW) */
.btn, button {
  display: inline-block;
  padding: 12px 16px;
  background: linear-gradient(145deg, #00bfff, #009acd);
  color: #fff;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  margin-top: 10px;
  box-shadow: 
    0 5px 15px rgba(0,191,255,0.4),
    inset 0 -3px 0 rgba(0,0,0,0.2);
  transition: 0.3s;
}

.btn:hover, button:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 8px 20px rgba(0,191,255,0.6),
    inset 0 -2px 0 rgba(0,0,0,0.2);
}

/* AD BOX */
.ad-box {
  background: #fff;
  border-radius: 14px;
  padding: 25px;
  margin: 20px 0;
  text-align: center;
  color: #aaa;
  box-shadow: 
    0 5px 15px rgba(0,0,0,0.05),
    inset 0 -3px 0 rgba(0,0,0,0.05);
}

/* TIMER BOX */
.timer-box {
  background: #fff;
  padding: 20px;
  border-radius: 14px;
  text-align: center;
  margin: 20px 0;
  box-shadow: 0 6px 18px rgba(0,0,0,0.08);
}

/* TIMER CIRCLE */
.circle {
  width: 100px;
  height: 100px;
  border: 6px solid #00bfff;
  border-top: 6px solid #fff;
  border-radius: 50%;
  margin: 10px auto;
  animation: spin 1.2s linear infinite;
}

@keyframes spin {
  0% {transform: rotate(0deg);}
  100% {transform: rotate(360deg);}
}

/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 15px 0;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

th {
  background: var(--main);
  color: #fff;
  padding: 10px;
}

td {
  padding: 10px;
  border-bottom: 1px solid #eee;
}

/* LIST */
ul, ol {
  margin: 10px 0;
  padding-left: 20px;
}

li {
  margin-bottom: 6px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  background: #e6f7ff;
  font-size: 13px;
  color: #555;
  margin-top: 20px;
}

/* STICKY AD */
.sticky-ad {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: #fff;
  border-top: 1px solid #ddd;
  text-align: center;
  padding: 10px;
  z-index: 999;
}

/* MOBILE */
@media (max-width: 600px) {

  .container {
    padding: 10px;
  }

  header h1 {
    font-size: 20px;
  }

  .post {
    padding: 12px;
  }

  p {
    font-size: 14px;
  }

  .btn, button {
    width: 100%;
    text-align: center;
  }

}