* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: #f5f5f7;
  background:
    radial-gradient(circle at 15% 0%, rgba(145, 70, 255, 0.20), transparent 30%),
    radial-gradient(circle at 85% 0%, rgba(255, 0, 51, 0.14), transparent 30%),
    #08090c;
  font-family: Arial, Helvetica, sans-serif;
}

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 26px;
}

.hero,
.card {
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.06);
  border-radius: 22px;
  padding: 22px;
  margin-bottom: 18px;
  box-shadow: 0 22px 70px rgba(0,0,0,.24);
}

.hero {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  background: linear-gradient(135deg, rgba(145,70,255,.18), rgba(255,0,51,.10));
}

.badge {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  color: #7dd3ff;
  border: 1px solid rgba(125,211,255,.2);
  background: rgba(125,211,255,.10);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .5px;
}

h1 {
  margin: 12px 0 6px;
  font-size: 36px;
}

h2 {
  margin: 0 0 16px;
}

p {
  color: #aaaab4;
}

a,
button {
  cursor: pointer;
  border: 0;
  color: #fff;
  text-decoration: none;
  padding: 12px 15px;
  border-radius: 13px;
  background: linear-gradient(135deg, #9146ff, #5a00c9);
  font-weight: 900;
}

button {
  background: linear-gradient(135deg, #00c26e, #008a55);
}

.hero-actions,
.theme-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
}

label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: #dddde4;
  font-weight: 900;
  font-size: 13px;
}

input,
select {
  height: 44px;
  min-width: 160px;
  border: 1px solid #3a3d4f;
  border-radius: 12px;
  background: rgba(9,10,16,.82);
  color: #fff;
  padding: 0 11px;
}

input[type="color"] {
  padding: 4px;
}

#status {
  margin-top: 14px;
  color: #00e58a;
  font-weight: 900;
}

.layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
}

.color-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 12px;
}

.preview-page {
  padding: 30px;
  border-radius: 18px;
  min-height: 420px;
}

.preview-chat {
  width: 380px;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid #3a3d4a;
  background: #23262d;
  box-shadow: 0 30px 80px rgba(0,0,0,.38);
}

.preview-head {
  height: 42px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 12px;
  background: #171920;
  border-bottom: 1px solid #3a3d4a;
  font-weight: 900;
}

.preview-stat {
  margin-left: auto;
  padding: 3px 7px;
  border-radius: 999px;
  font-size: 11px;
  background: rgba(255,255,255,.08);
}

.preview-stat.likes {
  margin-left: 0;
}

.preview-events {
  padding: 8px 12px;
  font-size: 12px;
  color: #aaa;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.preview-msg {
  padding: 9px 12px;
  font-size: 14px;
}

.preview-msg.event {
  margin: 6px 8px;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
}

.tag {
  display: inline-flex;
  margin-right: 6px;
  padding: 2px 5px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 900;
  color: #fff;
}

.preview-input {
  margin-top: 190px;
  padding: 12px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: #aaa;
}

#overlayUrlBox {
  display: block;
  margin-top: 16px;
  padding: 14px;
  border-radius: 13px;
  color: #7dd3ff;
  background: rgba(0,0,0,.28);
  word-break: break-all;
}

@media (max-width: 900px) {
  .hero,
  .layout {
    grid-template-columns: 1fr;
  }

  .hero {
    flex-direction: column;
    align-items: flex-start;
  }

  .color-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

.preset-row {
  display: flex;
  align-items: end;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.preset-cards {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.preset-card {
  min-height: 82px;
  border-radius: 16px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,.16);
  color: #fff;
  font-weight: 900;
  text-align: left;
  box-shadow: 0 18px 46px rgba(0,0,0,.24);
}

.preset-card.grafite {
  background: linear-gradient(135deg, #23262d, #111318);
}

.preset-card.youtube {
  background: linear-gradient(135deg, #202020, #ff0000);
}

.preset-card.neon {
  background: linear-gradient(135deg, #12091f, #a855f7);
}

.preset-card.matrix {
  background: linear-gradient(135deg, #03130d, #00e58a);
  color: #06110b;
}

.preset-card.glass {
  background: linear-gradient(135deg, #0d1b2a, #38bdf8);
}

.preset-card.red {
  background: linear-gradient(135deg, #1b0b10, #ff0033);
}

@media (max-width: 1050px) {
  .preset-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .preset-cards {
    grid-template-columns: 1fr;
  }
}