/* === RESET & BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #004080;
  --primary-hover: #0059b3;
  --secondary-color: #ffffff;
  --text-color: #1c1c1c;
  --bg-color: #f4f7fa;
  --border-radius: 12px;
  --transition: 0.3s ease;
  --input-border: #ccc;
  --input-focus: #004080;
  --error-color: #d8000c;
  --shadow: 0 0 20px rgba(0, 0, 0, 0.05);
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
}

/* === CONTAINER === */
.auth-container {
  background-color: var(--secondary-color);
  width: 100%;
  max-width: 420px;
  padding: 2rem 2.2rem;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

/* === TOGGLE BUTTONS === */
.form-toggle {
  display: flex;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid #ddd;
}

.toggle-btn {
  flex: 1;
  text-align: center;
  background: none;
  border: none;
  font-size: 1rem;
  font-weight: 500;
  padding: 0.8rem 0;
  cursor: pointer;
  color: #666;
  border-bottom: 3px solid transparent;
  transition: var(--transition);
}

.toggle-btn.active {
  color: var(--primary-color);
  border-bottom-color: var(--primary-color);
  font-weight: 600;
}

/* === FORMS === */
.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  animation: fadeIn 0.4s ease-in-out;
}

.auth-form h2 {
  text-align: center;
  margin-bottom: 1rem;
  color: var(--primary-color);
  font-size: 1.5rem;
}

/* === LABELS & INPUTS === */
label {
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
  display: block;
  color: #333;
}

input[type="email"],
input[type="password"] {
  width: 100%;
  padding: 0.65rem 0.9rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--input-border);
  outline: none;
  font-size: 1rem;
  transition: border-color var(--transition);
}

input:focus {
  border-color: var(--input-focus);
}

/* === PASSWORD WRAPPER === */
.password-wrapper {
  position: relative;
}

.toggle-password {
  position: absolute;
  top: 50%;
  right: 1rem;
  transform: translateY(-50%);
  color: #999;
  cursor: pointer;
  font-size: 1rem;
  transition: color var(--transition);
}

.toggle-password:hover {
  color: var(--primary-color);
}

/* === REMEMBER ME & FORGOT === */
.remember-forgot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
}

.remember-forgot a {
  text-decoration: none;
  color: var(--primary-color);
  font-weight: 500;
}

.remember-forgot a:hover {
  text-decoration: underline;
}

/* === BUTTON STYLES === */
.btn {
  padding: 0.75rem;
  font-size: 1rem;
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.btn.blue {
  background-color: var(--primary-color);
  color: white;
}

.btn.blue:hover {
  background-color: var(--primary-hover);
  transform: scale(1.02);
}

.btn.google {
  background-color: white;
  color: #444;
  border: 1px solid #ccc;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
}

.btn.google:hover {
  background-color: #f1f1f1;
  transform: scale(1.02);
}

/* === FORM SWITCH === */
.hidden {
  display: none;
}

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

/* === MEDIA QUERIES === */
@media (max-width: 480px) {
  .auth-container {
    padding: 1.5rem 1.2rem;
  }

  .btn,
  .toggle-btn {
    font-size: 0.95rem;
  }

  .auth-form h2 {
    font-size: 1.3rem;
  }
}

input[type="password"],
input[type="text"] {
  padding: 0.65rem 0.9rem;
  border-radius: var(--border-radius);
  border: 1px solid var(--input-border);
  font-size: 1rem;
  transition: border-color var(--transition);
  outline: none;
  background-color: #fff;
  width: 100%;
}

input.revealed {
  border-color: var(--input-focus);
}

input:focus {
  border-color: var(--input-focus);
  background-color: #fff;
}