:root {
  --bg: #050a1f;
  --panel: rgba(10, 24, 48, 0.9);
  --line: rgba(102, 217, 255, 0.24);
  --text: #edf6ff;
  --muted: #9db6d8;
  --blue: #0a66ff;
  --cyan: #66d9ff;
  --red: #ff5c75;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  overflow-x: hidden;
  color: var(--text);
  background:
    url("/Fontend/img/logo png prooooo.png") center / 480px auto no-repeat fixed,
    radial-gradient(circle at 12% 12%, rgba(10, 102, 255, 0.28), transparent 34%),
    radial-gradient(circle at 88% 82%, rgba(102, 217, 255, 0.16), transparent 30%),
    linear-gradient(145deg, #020713, var(--bg) 55%, #071a32);
}

.login-container {
  width: min(100%, 420px);
  margin: auto;
}

#loginForm {
  width: 100%;
  padding: 38px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  backdrop-filter: blur(22px);
  box-shadow: 0 24px 70px rgba(0, 7, 22, 0.5);
}

#loginForm h1 {
  margin: 0 0 28px;
  color: var(--text);
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: 0;
  font-weight: 900;
}

#loginForm input {
  display: block;
  width: 100%;
  min-width: 0;
  min-height: 48px;
  margin: 0 0 14px;
  padding: 12px 14px;
  border: 1px solid rgba(124, 184, 255, 0.24);
  border-radius: 8px;
  outline: none;
  color: var(--text);
  background: rgba(3, 18, 43, 0.78);
  font: inherit;
}

#loginForm input::placeholder {
  color: var(--muted);
}

#loginForm input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(102, 217, 255, 0.12);
}

#loginBtn {
  width: 100%;
  min-height: 48px;
  margin-top: 4px;
  padding: 12px 16px;
  border: 0;
  border-radius: 8px;
  color: white;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease;
}

#loginBtn:hover {
  transform: translateY(-2px);
  filter: brightness(1.06);
}

#errorMsg {
  display: none;
  min-height: 20px;
  margin: 14px 0 0 !important;
  color: var(--red) !important;
  font-size: 14px;
  font-weight: 700;
}

.back-home-btn {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 20px;
  border-radius: 8px;
  border: 1px solid rgba(102, 217, 255, 0.25);
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: 0.2s;
}

.back-home-btn:hover {
  background: rgba(102, 217, 255, 0.1);
  transform: translateY(-1px);
}

@media (max-width: 520px) {
  body {
    padding: 14px;
  }

  #loginForm {
    padding: 28px 20px;
  }

  #loginForm h1 {
    font-size: 24px;
  }
}