html,
body,
#app {
  width: 100%;
  height: 100%;
  min-height: 100vh;
  margin: 0;
}

body {
  overflow: hidden;
  background: #081827;
  color: #f8fafc;
  font-family: "SamsungOne", "Segoe UI", Arial, sans-serif;
}

button,
input {
  font: inherit;
}

.player-shell,
.player-surface {
  width: 100vw;
  height: 100vh;
  min-height: 100vh;
  box-sizing: border-box;
}

.player-shell {
  display: grid;
  place-items: center;
  padding: clamp(48px, 7vmin, 120px);
  background: linear-gradient(135deg, #092033, #0b594f);
}

.player-shell section,
.setup-card {
  width: min(1040px, 100%);
  text-align: center;
}

.player-shell p,
.player-surface p {
  margin: 0 0 18px;
  color: #9fe6d7;
  font-size: clamp(24px, 2vmin, 40px);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.player-shell h1 {
  margin: 0;
  font-size: clamp(58px, 6vmin, 118px);
  line-height: 0.95;
}

.player-shell span,
.player-surface span {
  display: block;
  color: #dbeafe;
  font-size: clamp(28px, 2.5vmin, 48px);
  line-height: 1.25;
}

.activation-code {
  width: fit-content;
  max-width: 100%;
  margin: clamp(48px, 6vmin, 96px) auto;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  font-size: clamp(76px, 9vmin, 168px);
  font-weight: 900;
  letter-spacing: 0.1em;
  padding: clamp(22px, 2.6vmin, 42px) clamp(32px, 4vmin, 72px);
  box-sizing: border-box;
  white-space: nowrap;
}

.setup-card {
  display: grid;
  gap: 28px;
}

.setup-card label {
  display: grid;
  gap: 12px;
  color: #dbeafe;
  font-size: 26px;
  text-align: left;
}

.setup-card input {
  min-height: 74px;
  border: 0;
  border-radius: 8px;
  padding: 0 22px;
  font-size: 30px;
}

.setup-card button {
  min-height: 76px;
  border: 0;
  border-radius: 8px;
  background: #9fe6d7;
  color: #082237;
  font-size: 30px;
  font-weight: 900;
}

.player-surface {
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(48px, 7vmin, 120px);
  background:
    radial-gradient(circle at 82% 18%, rgba(159, 230, 215, 0.2), transparent 420px),
    linear-gradient(135deg, #071827, #104f55);
}

.player-surface header {
  display: flex;
  justify-content: space-between;
  gap: 48px;
}

.player-surface h1 {
  margin: 0;
  font-size: 66px;
  line-height: 1;
}

.player-surface time {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.player-surface time strong {
  font-size: 76px;
  line-height: 0.95;
}

.player-surface time span {
  color: #cbd5e1;
  font-size: 26px;
}

.player-surface section {
  align-self: center;
  max-width: 1400px;
}

.player-surface h2 {
  margin: 0 0 32px;
  font-size: 148px;
  line-height: 0.9;
}

.player-surface footer {
  color: #94a3b8;
  font-size: 20px;
}