/* 全域格式 */
:root {
  --primary-color: #4a6cf7;
  --secondary-color: #6c757d;
  --dark-color: #212529;
  --light-color: #f8f9fa;
  --success-color: #28a745;
  --danger-color: #dc3545;
  --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--dark-color);
  background-color: #fff;
}

a {
  text-decoration: none;
  color: var(--dark-color);
  transition: var(--transition);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.btn {
  display: inline-block;
  padding: 12px 30px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 600;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
}

.btn-primary:hover {
  background-color: #3a5bd9;
  transform: translateY(-3px);
}

.btn-secondary {
  background-color: transparent;
  color: #fff;
  border: 1px solid #fff;
}

.btn-secondary:hover {
  background-color: #fff;
  color: var(--dark-color);
  transform: translateY(-3px);
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 36px;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  width: 50%;
  height: 3px;
  background-color: var(--primary-color);
  bottom: -10px;
  left: 25%;
}

.section-header p {
  color: var(--secondary-color);
  font-size: 18px;
}

/* header form */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: #fff;
  box-shadow: var(--box-shadow);
  z-index: 1000;
  padding: 15px 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo h1 {
  font-size: 28px;
  color: var(--primary-color);
}

.main-nav ul {
  display: flex;
}

.main-nav ul li {
  margin-left: 30px;
}

.main-nav ul li a {
  font-weight: 500;
  padding: 5px 0;
  position: relative;
}

.main-nav ul li a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  background-color: var(--primary-color);
  bottom: 0;
  left: 0;
  transition: var(--transition);
}

.main-nav ul li a:hover::after,
.main-nav ul li a.active::after {
  width: 100%;
}

.main-buttons {
  display: flex;
  justify-content: right;
}
/* hero form */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/static/images/cybersecurity_bg.jpg') no-repeat center center/cover;
  display: flex;
  align-items: center;
  text-align: center;
  color: #fff;
  padding-top: 80px;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h2 {
  font-size: 48px;
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 30px;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* about form */
.about {
  padding: 100px 0;
  background-color: var(--light-color);
}

.about-content {
  display: flex;
  align-items: center;
  gap: 50px;
}

.about-text {
  flex: 1;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 16px;
}

.about-image {
  display: flex; /* 讓內部元素水平排列 */
  align-items: center; /* 垂直居中對齊 */
  gap: 20px; /* 設定圖片與文字間距 */
  flex-wrap: nowrap; /* 防止元素換行 */
}

.about-image img {
  width: 150px; /* 設定圖片大小 */
  height: auto; /* 保持圖片比例 */
  border-radius: 10px;
}

.about-image form {
  display: flex;
  flex-direction: column; /* 讓 p 標籤垂直排列 */
  gap: 5px; /* 設定段落間距 */
}


/* services form */
.services {
  padding: 100px 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: #fff;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: var(--box-shadow);
  transition: var(--transition);
}

.service-card:hover {
  transform: translateY(-10px);
}

.service-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
}

.service-card h3 {
  margin-bottom: 15px;
  font-size: 22px;
}

/* footer form */
.footer {
  background-color: var(--dark-color);
  color: #fff;
  padding: 80px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.footer-logo h2 {
  color: var(--primary-color);
  margin-bottom: 15px;
}

.footer-links h3,
.footer-social h3 {
  margin-bottom: 20px;
  font-size: 20px;
}

.footer-links ul li {
  margin-bottom: 10px;
}

.footer-links ul li a {
  color: #ddd;
}

.footer-links ul li a:hover {
  color: var(--primary-color);
}

.social-icons {
  display: flex;
  gap: 15px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.social-icon:hover {
  background-color: var(--primary-color);
}

.social-icon img {
  width: 20px;
  height: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* media form */
@media (max-width: 992px) {
  .about-content,
  .contact-content {
    flex-direction: column;
  }
  
  .hero-content h2 {
    font-size: 36px;
  }
  
  .hero-content p {
    font-size: 18px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
  }
  
  .logo {
    margin-bottom: 15px;
  }
  
  .main-nav ul li {
    margin-left: 15px;
  }
  
  .section-header h2 {
    font-size: 30px;
  }
  
  .hero {
    height: auto;
    padding: 150px 0 100px;
  }
}

@media (max-width: 576px) {
  .main-nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }
  
  .main-nav ul li {
    margin: 5px 10px;
  }
  
  .hero-content h2 {
    font-size: 28px;
  }
  
  .btn {
    padding: 10px 20px;
  }
} 

/* 登入後新增的樣式 */
.user-info {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--primary-color);
  font-weight: 500;
}

.user-info a {
  color: var(--primary-color);
}

/* manage.html */
.query-container {
  margin-top: 20px;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 5px;
  background-color: #f9f9f9;
}
.query-form {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 10px;
}
.query-form label {
  margin-bottom: 5px;
}
.query-form input, .query-form textarea, .query-form select {
  width: 300px;
  padding: 8px;
  margin-bottom: 10px;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.query-form button {
  padding: 10px 20px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
.query-form button:hover {
  background-color: #0056b3;
}
#results-container {
  margin-top: 20px;
  border: 1px solid #ccc;
  padding: 20px;
  border-radius: 5px;
  background-color: white;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 10px;
}
th, td {
  padding: 8px;
  border-bottom: 1px solid #ddd;
  text-align: left;
}
th {
  background-color: #f0f0f0;
}
@media screen and (max-width: 600px) {
  .query-form input, .query-form textarea, .query-form select {
      width: 100%;
  }
  .query-form {
      align-items: stretch;
  }
}

/* 新增的樣式 */
.edit-mode {
  background-color: #ffffcc;
}
.save-button {
  background-color: #28a745;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
  margin-right: 5px;
}
.cancel-button {
  background-color: #dc3545;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  border-radius: 4px;
  cursor: pointer;
}
.add-button {
  background-color: #17a2b8;
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 10px;
  transition: background-color 0.3s ease;
}
.add-button:hover {
  background-color: #117a8b;
}