* {
  box-sizing: border-box;
}

:root {
  --bg1: #060612;
  --bg2: #101028;
  --panel: rgba(12, 16, 38, 0.92);
  --line: #2fe6ff;
  --accent: #ff3df2;
  --accent2: #ffe066;
  --text: #f3f7ff;
  --muted: #a9b4d0;
  --danger: #ff5d73;
  --success: #5eff9b;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, #1b1b48 0%, #090912 40%, #030308 100%);
}

body {
  display: flex;
  flex-direction: column;
}

a {
  color: var(--line);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.site-header,
.site-footer {
  width: 100%;
  border-bottom: 1px solid rgba(47, 230, 255, 0.25);
  background: rgba(3, 6, 16, 0.9);
  backdrop-filter: blur(6px);
}

.site-footer {
  border-top: 1px solid rgba(47, 230, 255, 0.25);
  border-bottom: none;
  margin-top: auto;
}

.wrap {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.header-row,
.footer-row {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  flex-wrap: wrap;
}

.brand {
  font-size: 1.6rem;
  font-weight: bold;
  letter-spacing: 2px;
  color: var(--accent2);
  text-shadow: 0 0 10px rgba(255, 224, 102, 0.5);
}

.nav-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.main {
  width: min(1100px, calc(100% - 32px));
  margin: 24px auto 40px;
}

.hero,
.card,
.form-card,
.game-card {
  background: var(--panel);
  border: 1px solid rgba(47, 230, 255, 0.25);
  border-radius: 18px;
  box-shadow: 0 0 24px rgba(0, 0, 0, 0.35);
}

.hero {
  padding: 28px;
  margin-bottom: 24px;
}

.hero h1 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: clamp(2rem, 5vw, 3.2rem);
  color: var(--accent2);
}

.hero p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.game-card,
.form-card,
.card {
  padding: 22px;
}

.game-card h3,
.form-card h2,
.card h2 {
  margin-top: 0;
}

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

label {
  font-weight: bold;
  color: var(--accent2);
}

input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid rgba(47, 230, 255, 0.25);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  font-size: 1rem;
}

input:focus {
  outline: none;
  border-color: var(--line);
  box-shadow: 0 0 0 3px rgba(47,230,255,0.15);
}

button,
.btn {
  display: inline-block;
  padding: 14px 18px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--line));
  color: #031018;
  font-weight: bold;
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.btn:hover {
  filter: brightness(1.08);
  text-decoration: none;
}

.message {
  padding: 12px 14px;
  border-radius: 12px;
  margin-bottom: 14px;
  font-weight: bold;
}

.message.error {
  background: rgba(255, 93, 115, 0.15);
  border: 1px solid rgba(255, 93, 115, 0.35);
  color: #ffd9df;
}

.message.success {
  background: rgba(94, 255, 155, 0.12);
  border: 1px solid rgba(94, 255, 155, 0.35);
  color: #d8ffe7;
}

.small {
  color: var(--muted);
  font-size: 0.95rem;
}

.centered {
  width: min(520px, calc(100% - 32px));
  margin: 40px auto;
}

.score-list {
  padding-left: 18px;
  color: var(--muted);
}

canvas {
  display: block;
  width: 100%;
  max-width: 900px;
  margin: 18px auto 0;
  background: #000;
  border: 2px solid rgba(47, 230, 255, 0.4);
  border-radius: 12px;
}

@media (max-width: 700px) {
  .hero, .card, .form-card, .game-card {
    padding: 18px;
  }

  .brand {
    font-size: 1.3rem;
  }
}