@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;700&display=swap');

:root {
  --primary: #ffd700;
  --primary-dark: #e0c100;
  --dark: #0f0f0f;
  --dark-alpha: rgba(15, 15, 15, 0.92);
  --gray: #222;
  --light: #fff;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Vazirmatn', sans-serif;
}

body {
  background: url('../images/dota-bg.webp') center/cover no-repeat fixed;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--light);
}

.auth-container {
  width: 100%;
  max-width: 420px;
  padding: 2rem;
  background: var(--dark-alpha);
  border-radius: 16px;
  box-shadow: 0 0 30px rgba(255, 215, 0, 0.25);
  backdrop-filter: blur(4px);
  transform: translateY(0);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-container:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 40px rgba(255, 215, 0, 0.3);
}

.auth-logo {
  width: 100px;
  height: auto;
  margin: 0 auto 1.5rem;
  filter: drop-shadow(0 0 5px var(--primary));
}

.auth-title {
  color: var(--primary);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  text-align: center;
  position: relative;
}

.auth-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--primary);
  margin: 0.5rem auto 0;
}

.input-group {
  position: relative;
  margin-bottom: 1.25rem;
}

.input-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--gray);
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--light);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.input-group input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(255, 215, 0, 0.2);
}

.input-group label {
  position: absolute;
  right: 1rem;
  top: 0.75rem;
  color: #aaa;
  transition: all 0.3s ease;
  pointer-events: none;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label {
  top: -0.5rem;
  right: 0.8rem;
  font-size: 0.7rem;
  background: var(--dark);
  padding: 0 0.3rem;
  color: var(--primary);
}

.btn {
  width: 100%;
  padding: 0.75rem;
  background: var(--primary);
  color: #000;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.auth-links {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  text-align: center;
}

.auth-link {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.3s ease;
  display: inline-block;
  margin: 0 0.5rem;
}

.auth-link:hover {
  color: var(--light);
  text-decoration: underline;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.auth-container {
  animation: fadeIn 0.5s ease forwards;
}

@media (max-width: 480px) {
  .auth-container {
    margin: 1rem;
    padding: 1.5rem;
  }
  
  .auth-title {
    font-size: 1.25rem;
  }
}


/* پیام خطا در فرم احراز هویت */
.auth-error {
  background-color: rgba(255, 0, 0, 0.1);
  color: #ff4d4d;
  border: 1px solid #ff4d4d;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  animation: fadeIn 0.3s ease-in-out;
  text-align: center;
}