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

:root {
  --cyan: #00e5ff;
  --cyan-soft: rgba(0, 229, 255, .15);
  --bg: #030507;
  --card: rgba(8, 12, 16, .94);
  --border: rgba(0, 229, 255, .25);
  --text: #e9feff;
  --muted: #89969b;
  --danger: #ff4567;
  --success: #00ff9d;
}

body {
  min-height: 100vh;

  background:
    radial-gradient(
      circle at 50% 0%,
      rgba(0, 229, 255, .12),
      transparent 40%
    ),
    #030507;

  color: var(--text);

  font-family:
    Inter,
    Arial,
    sans-serif;

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 20px;
}

body::before {
  content: "";

  position: fixed;
  inset: 0;

  pointer-events: none;

  background-image:
    linear-gradient(
      rgba(255,255,255,.015) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      rgba(255,255,255,.015) 1px,
      transparent 1px
    );

  background-size: 35px 35px;
}

.app {
  width: 100%;
  max-width: 680px;
  position: relative;
}

.card {
  background: var(--card);

  border: 1px solid var(--border);

  border-radius: 26px;

  padding: 32px;

  box-shadow:
    0 0 50px rgba(0,229,255,.08),
    inset 0 0 30px rgba(0,229,255,.015);

  backdrop-filter: blur(15px);
}

.logo {
  text-align: center;

  font-size: 13px;
  font-weight: 900;

  letter-spacing: 5px;

  color: #fff;

  margin-bottom: 14px;
}

.logo span {
  color: var(--cyan);

  text-shadow:
    0 0 15px rgba(0,229,255,.7);
}

h1 {
  text-align: center;

  font-size: clamp(28px, 7vw, 42px);

  letter-spacing: -1px;

  margin-bottom: 8px;
}

.subtitle {
  text-align: center;

  color: var(--muted);

  margin-bottom: 30px;

  font-size: 14px;
}

.form-group {
  margin-bottom: 18px;
}

label {
  display: block;

  margin-bottom: 8px;

  color: #b8c7cb;

  font-size: 13px;

  font-weight: 700;
}

select,
input {
  width: 100%;

  height: 55px;

  padding: 0 16px;

  border-radius: 15px;

  border: 1px solid rgba(0,229,255,.25);

  outline: none;

  background: #020405;

  color: var(--text);

  font-size: 15px;

  transition: .25s;
}

select:focus,
input:focus {
  border-color: var(--cyan);

  box-shadow:
    0 0 0 3px rgba(0,229,255,.08),
    0 0 20px rgba(0,229,255,.08);
}

.download-btn {
  width: 100%;

  height: 56px;

  border: 0;

  border-radius: 15px;

  background:
    linear-gradient(
      135deg,
      #00e5ff,
      #008cff
    );

  color: #001014;

  font-weight: 900;

  font-size: 15px;

  letter-spacing: 1px;

  cursor: pointer;

  transition: .25s;

  display: flex;

  align-items: center;

  justify-content: center;

  gap: 10px;

  box-shadow:
    0 8px 30px rgba(0,229,255,.18);
}

.download-btn:hover {
  transform: translateY(-2px);

  box-shadow:
    0 12px 35px rgba(0,229,255,.3);
}

.download-btn:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

.spinner {
  width: 18px;
  height: 18px;

  border: 2px solid rgba(0,0,0,.25);

  border-top-color: #001014;

  border-radius: 50%;

  animation: spin .7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.hidden {
  display: none !important;
}

.status {
  margin-top: 16px;

  padding: 15px;

  border-radius: 14px;

  border: 1px solid #182226;

  background: #020405;

  color: #9daeb2;

  font-size: 14px;

  text-align: center;
}

.status.success {
  color: var(--success);

  border-color:
    rgba(0,255,157,.25);
}

.status.error {
  color: var(--danger);

  border-color:
    rgba(255,69,103,.25);
}

.result {
  margin-top: 20px;
}

#videoPlayer {
  width: 100%;

  height: 360px;

  object-fit: contain;

  background: #000;

  border-radius: 17px;

  border: 1px solid #182226;
}

.video-info {
  display: grid;

  grid-template-columns: 1fr 1fr;

  gap: 10px;

  margin-top: 12px;
}

.video-info div {
  padding: 13px;

  background: #05080a;

  border: 1px solid #172125;

  border-radius: 12px;
}

.video-info span {
  display: block;

  color: #6f7d81;

  font-size: 11px;

  margin-bottom: 5px;
}

.video-info strong {
  font-size: 13px;

  color: #cfffff;
}

.actions {
  display: grid;

  grid-template-columns:
    1fr 1fr 1fr;

  gap: 9px;

  margin-top: 12px;
}

.action {
  min-height: 45px;

  display: flex;

  align-items: center;

  justify-content: center;

  border: 1px solid rgba(0,229,255,.2);

  border-radius: 12px;

  background: rgba(0,229,255,.06);

  color: var(--text);

  text-decoration: none;

  font-weight: 700;

  font-size: 13px;

  cursor: pointer;

  transition: .2s;
}

.action:hover {
  background: rgba(0,229,255,.15);

  border-color: var(--cyan);
}

.action.download {
  background: var(--cyan);

  color: #001014;

  border-color: var(--cyan);
}

footer {
  margin-top: 25px;

  text-align: center;

  color: #4f5b5e;

  font-size: 11px;

  letter-spacing: 1px;
}

@media (max-width: 600px) {

  .card {
    padding: 22px;

    border-radius: 20px;
  }

  #videoPlayer {
    height: 260px;
  }

  .actions {
    grid-template-columns: 1fr;
  }

  .video-info {
    grid-template-columns: 1fr;
  }

}