* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f7f7f7;
  color: #111;
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 270px;
  background: linear-gradient(180deg, #F36C00, #b90010);
  color: white;
  padding: 38px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.k-logo {
  position: relative;
  font-size: 120px;
  font-weight: 900;
  line-height: 0.8;
  letter-spacing: -10px;
}

.k-logo span,
.cover span {
  position: absolute;
  width: 0;
  height: 0;
  border-left: 34px solid #6dbb2f;
  border-top: 23px solid transparent;
  border-bottom: 23px solid transparent;
  top: 4px;
  right: 16px;
}

.brand h1 {
  margin: 18px 0 45px;
  font-size: 25px;
  line-height: 1;
}

nav {
  display: grid;
  gap: 14px;
}

nav button {
  border: 0;
  color: white;
  background: transparent;
  padding: 18px 20px;
  text-align: left;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
}

nav button.active,
nav button:hover {
  background: rgba(255,255,255,0.18);
}

.footer {
  font-size: 14px;
  line-height: 1.6;
}

.footer strong {
  font-size: 26px;
}

.main {
  flex: 1;
  padding: 42px 46px;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 38px;
}

header h2 {
  font-size: 30px;
  margin: 0 0 8px;
}

header p {
  color: #666;
  margin: 0;
  font-size: 17px;
}

.top-btn,
.support a {
  color: #F36C00;
  border: 1px solid #f1c4c8;
  background: white;
  text-decoration: none;
  border-radius: 14px;
  padding: 16px 24px;
  font-weight: 800;
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-bottom: 28px;
}

.card {
  background: white;
  border-radius: 18px;
  padding: 25px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
}

.card span,
.card small {
  color: #666;
  display: block;
}

.card strong {
  display: block;
  margin: 8px 0;
  font-size: 21px;
}

.card.green strong {
  color: #148f28;
}

.content {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
}

.player {
  background: linear-gradient(135deg, #df0014, #bf0011);
  color: white;
  border-radius: 20px;
  padding: 34px;
  min-height: 390px;
}

.player p {
  font-weight: 800;
  margin: 0 0 26px;
}

.track {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 32px;
  align-items: center;
}

.cover {
  position: relative;
  height: 170px;
  background: #F36C00;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-size: 120px;
  font-weight: 900;
  letter-spacing: -10px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.25);
}

.cover span {
  top: 28px;
  right: 35px;
}

.track h3 {
  font-size: 34px;
  margin: 0 0 10px;
}

.track h4 {
  font-size: 22px;
  margin: 0 0 10px;
  font-weight: 500;
}

.wave {
  margin-top: 25px;
  height: 46px;
  background: repeating-linear-gradient(
    90deg,
    rgba(255,255,255,0.9) 0 3px,
    transparent 3px 10px
  );
  opacity: 0.75;
  mask-image: linear-gradient(to right, black, transparent);
}

.progress {
  display: grid;
  grid-template-columns: 50px 1fr 50px;
  gap: 15px;
  align-items: center;
  margin: 35px 0 22px;
}

.progress div {
  height: 4px;
  background: rgba(255,255,255,0.25);
  border-radius: 20px;
}

.progress i {
  display: block;
  width: 42%;
  height: 4px;
  background: white;
  border-radius: 20px;
}

.controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
}

.controls button {
  border: 0;
  background: transparent;
  color: white;
  font-size: 34px;
  cursor: pointer;
}

.controls .play {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  background: white;
  color: #F36C00;
  font-size: 30px;
}

.playlist {
  background: white;
  border-radius: 20px;
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
  overflow: hidden;
}

.playlist-head {
  display: flex;
  justify-content: space-between;
  padding: 28px;
  align-items: center;
}

.playlist-head h3 {
  margin: 0;
}

.playlist-head span {
  color: #777;
}

.item {
  display: grid;
  grid-template-columns: 40px 1fr 55px;
  gap: 12px;
  align-items: center;
  padding: 18px 28px;
}

.item.active {
  background: #FFF1E8;
}

.item small {
  color: #666;
  display: block;
  margin-top: 4px;
}

.support {
  margin-top: 28px;
  background: white;
  border-radius: 18px;
  padding: 26px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 12px 30px rgba(0,0,0,0.05);
}

.support p {
  margin: 6px 0 0;
  color: #666;
}

.support a {
  background: #F36C00;
  color: white;
  border: 0;
}

@media (max-width: 1100px) {
  body {
    display: block;
  }

  .sidebar {
    width: 100%;
    min-height: auto;
  }

  .cards,
  .content {
    grid-template-columns: 1fr;
  }
}
/* ---------- STUDENAC RADIO BRAND ---------- */

.kmark{
    position:relative;
    width:130px;
    height:130px;
}

.kletter{
    color:#fff;
    font-size:130px;
    font-weight:900;
    line-height:1;
    font-family:Arial, Helvetica, sans-serif;
    display:block;
}

.playmark{

    position:absolute;

    width:22px;
    height:22px;

    background:#72c238;

    clip-path:polygon(0 0,100% 50%,0 100%);

    top:8px;

    right:7px;

    transform:rotate(-45deg);

}

.cover .kletter{

    font-size:110px;

}

.cover .playmark{

    width:20px;
    height:20px;

    top:8px;
    right:8px;

}

.powered{

    margin-top:20px;

}

.powered span{

    display:block;

    color:rgba(255,255,255,.8);

    margin-bottom:8px;

    font-size:12px;

}

.powered img{

    width:170px;

    display:block;

}