/* 基础重置和变量 - 与 patient.css 统一 */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #ffffff;
  --text: #151515;
  --muted: #dddddd;
  --muted-2: #e9e9e9;
  --nav-bg: #dedede;
  --active: #cfcfcf;
  --side: 20px;
  --text-light: #666;
  --border-radius: 8px;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Noto Sans CJK SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  line-height: 1.6;
}

/* Index 页面样式 */
body {
  position: relative;
  overflow-x: hidden;
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 0;
  background-color: var(--bg);
}

.index-container {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--side);
  text-align: center;
}

.index-container h1 {
  font-size: 3.5rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: 0.2px;
  position: relative;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  animation: fadeInUp 0.8s ease-out, breathe 3s ease-in-out infinite 1s;
}

.intro-text {
  font-size: 1.15rem;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
  font-weight: 400;
  letter-spacing: 0.3px;
}

.index-container .login-link {
  display: inline-block;
  padding: 14px 32px;
  background-color: var(--text);
  color: var(--bg);
  text-decoration: none;
  border-radius: var(--border-radius);
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.index-container .login-link::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.index-container .login-link:hover::before {
  width: 300px;
  height: 300px;
}

.index-container .login-link:hover {
  background-color: #333;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.index-container .login-link:active {
  transform: translateY(0);
  opacity: 0.9;
}

/* 淡入动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.fade-in-up-delay {
  animation: fadeInUp 0.8s ease-out 0.3s both;
}

.fade-in-up-delay-2 {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* 标题呼吸效果 */
@keyframes breathe {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

/* Login 页面样式 */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--side);
}

.login-header {
  width: 100%;
  max-width: 420px;
  text-align: center;
  margin-bottom: 2rem;
}

.login-header h1 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.2px;
  margin: 0;
}

.container {
  background-color: var(--bg);
  border: 1px solid var(--muted);
  border-radius: var(--border-radius);
  padding: 2rem;
  width: 100%;
  max-width: 420px;
}

.login-option {
  margin-bottom: 0;
}


/* 表单样式 */
.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.5rem;
  text-align: left;
}

.container input[type="email"] {
  width: 100%;
  padding: 14px 16px;
  font-size: 1rem;
  border: 1px solid var(--muted);
  border-radius: var(--border-radius);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.container input[type="email"]:focus {
  outline: none;
  border-color: var(--text);
}

.container input[type="email"]::placeholder {
  color: var(--text-light);
}

/* 登录按钮通用样式 */
.login-btn {
  display: block;
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--bg);
  background-color: #646464;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
  font-family: inherit;
  text-align: center;
  text-decoration: none;
}

.login-btn:hover {
  background-color: #555;
}

.login-btn:active {
  opacity: 0.8;
}

/* Google Login 按钮 */
.google-login-btn {
  margin-bottom: 0;
}

/* 分隔线 */
.divider {
  text-align: center;
  margin: 1.5rem 0;
  color: var(--text-light);
  font-size: 0.9rem;
  position: relative;
}

.divider::before,
.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 40%;
  height: 1px;
  background-color: var(--muted);
}

.divider::before {
  left: 0;
}

.divider::after {
  right: 0;
}

/* Magic Link 按钮 */
.magic-link-btn {
  margin-top: 1rem;
}

/* Forgot password 链接 */
.forgot-password {
  display: block;
  text-align: center;
  margin-top: 1rem;
  color: var(--text-light);
  text-decoration: underline;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}

.forgot-password:hover {
  color: var(--text);
}

/* Flash messages */
.flash-messages {
  list-style: none;
  margin-top: 1.5rem;
  margin-bottom: 0;
  padding: 0;
}

.flash-messages li {
  padding: 12px 16px;
  margin-bottom: 0.5rem;
  border-radius: var(--border-radius);
  font-size: 0.9rem;
  background-color: #fff3cd;
  color: #856404;
  border: 1px solid #ffeaa7;
}

.flash-messages li:last-child {
  margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .index-container h1 {
    font-size: 2.5rem;
  }

  .intro-text {
    font-size: 1rem;
    padding: 0 1rem;
  }

  .login-header h1 {
    font-size: 1.75rem;
  }

  .container {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .index-container {
    padding: var(--side);
  }

  .index-container h1 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
  }

  .intro-text {
    font-size: 0.95rem;
    margin-bottom: 2rem;
    padding: 0 0.5rem;
  }

  .index-container .login-link {
    padding: 12px 24px;
    font-size: 0.95rem;
  }

  .login-header {
    margin-bottom: 1.5rem;
  }

  .login-header h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 1.5rem 1rem;
  }
}