/* -------- Color Theme Variables -------- */
:root {
  --bg-main: radial-gradient(circle at top, #0b1221, #060a13);
  --panel-bg: rgba(20, 26, 40, 0.8);
  --primary: #4af0ff;
  --primary-light: #00ccff;
  --primary-dark: #0066ff;
  --text-light: #eee;
  --text-muted: #bbb;
  --input-bg: #0d142a;
  --input-border: #2b3250;
  --input-bg-focus: #111b38;
}

/* -------- Reset & Base -------- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

body {
  height: 100vh;
  background: var(--bg-main);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* -------- Containers -------- */
.container,
.login-container {
  width: 360px;
  padding: 2.5rem;
  background: var(--panel-bg);
  border-radius: 16px;
  box-shadow: 0 0 35px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  text-align: center;
}

.logo {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 1.8rem;
  color: var(--primary);
}
.byline {
  text-align: center;
  font-size: 1rem;
  color: #666;
  margin-top: -0.5rem;
  margin-bottom: 1.5rem;
  letter-spacing: 0.5px;
}
/* -------- Forms -------- */
form {
  display: flex;
  flex-direction: column;
}

input {
  margin: 0.6rem 0;
  padding: 0.8rem 1rem;
  border: 1px solid var(--input-border);
  border-radius: 8px;
  background: var(--input-bg);
  color: var(--text-light);
  font-size: 0.95rem;
  transition: border-color 0.3s ease, background 0.3s ease;
}

input:focus {
  outline: none;
  border-color: var(--primary);
  background: var(--input-bg-focus);
}

/* -------- Buttons -------- */
button,
.back-button {
  margin-top: 1.2rem;
  padding: 0.85rem 1.6rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.5px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  transition: background 0.3s ease, transform 0.1s ease;
  text-decoration: none;
  display: inline-block;
}

button:hover,
.back-button:hover {
  background: linear-gradient(135deg, var(--primary-light), #3399ff);
  transform: translateY(-1px);
}

/* -------- Extra Links / Messages -------- */
.register-link {
  margin-top: 1.2rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.privacy-link {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
}

.privacy-link a {
  color: #888;
  text-decoration: none;
  transition: color 0.2s ease;
}

.privacy-link a:hover {
  color: #007bff;
}
.register-link a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.25s ease;
}

.register-link a:hover {
  color: var(--primary-light);
}

.message {
  font-size: 1rem;
  color: #ccc;
  line-height: 1.6;
  margin-bottom: 2rem;
}

/* -------- Responsive -------- */
@media (max-width: 450px) {
  .container,
  .login-container {
    width: 90%;
    padding: 2rem;
  }

  .logo {
    font-size: 1.6rem;
  }
}