/* --- Google Fonts --- */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&family=Poppins:wght@400;600;700&display=swap");

/* --- 全局變數 & 樣式 --- */
:root {
  --primary-color: #4a90e2; /* 活潑的藍色 */
  --secondary-color: #f5a623; /* 溫暖的橙色 */
  --accent-color: #7ed321; /* 清新的綠色 */
  --background-color: #f8f9fa;
  --text-color: #333;
  --card-bg: #ffffff;
  --shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  --border-radius: 12px;
}

body {
  font-family: "Noto Sans TC", "Poppins", sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  margin: 0;
  line-height: 1.6;
}

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

h1,
h2,
h3 {
  color: var(--primary-color);
  font-weight: 700;
}

.btn {
  display: inline-block;
  padding: 10px 20px;
  border: none;
  border-radius: 25px;
  color: #fff;
  background-color: var(--primary-color);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s, transform 0.2s;
}

.btn:hover {
  background-color: #357abd;
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--secondary-color);
}

.btn-secondary:hover {
  background-color: #d9931f;
}

.btn-danger {
  background-color: #d9534f;
}
.btn-danger:hover {
  background-color: #c9302c;
}

/* --- 頁首 Header --- */
.main-header {
  background: var(--card-bg);
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
}

.logo {
  font-size: 1.8em;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
}

.logo span {
  color: var(--secondary-color);
}

.main-nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  align-items: center;
}

.main-nav ul li {
  margin-left: 25px;
}

.main-nav ul li a {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  padding: 5px 10px;
  border-radius: 8px;
  transition: background-color 0.3s, color 0.3s;
}

.main-nav ul li a:hover,
.main-nav ul li a.active {
  background-color: var(--primary-color);
  color: #fff;
}

.user-info {
  font-weight: 500;
  color: var(--primary-color);
}
.user-info .points {
  background: var(--accent-color);
  color: white;
  padding: 3px 10px;
  border-radius: 15px;
  font-size: 0.9em;
  margin-left: 10px;
}

/* --- 首頁 (Login/Register) --- */
.login-container {
  display: flex;
  min-height: calc(100vh - 80px); /* 減去 header 高度 */
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.login-left {
  flex: 1;
  padding-right: 50px;
  text-align: center;
}

.login-left img {
  max-width: 100%;
  height: auto;
  border-radius: var(--border-radius);
}

.login-right {
  flex: 1;
  max-width: 450px;
  background: var(--card-bg);
  padding: 40px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.form-toggle {
  display: flex;
  margin-bottom: 25px;
  border: 1px solid #ddd;
  border-radius: 25px;
  overflow: hidden;
}

.form-toggle button {
  flex: 1;
  padding: 12px;
  border: none;
  background: transparent;
  cursor: pointer;
  font-size: 1em;
  font-weight: 600;
  transition: background-color 0.3s, color 0.3s;
}

.form-toggle button.active {
  background-color: var(--primary-color);
  color: #fff;
}

.form-container form {
  display: none;
}

.form-container form.active {
  display: block;
}

.input-group {
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
}

.input-group input {
  width: 100%;
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  box-sizing: border-box;
}

.forgot-password {
  display: block;
  text-align: right;
  margin-top: -10px;
  margin-bottom: 20px;
  font-size: 0.9em;
  color: var(--primary-color);
  text-decoration: none;
}

/* --- 主頁 Main Page --- */
.main-content {
  display: flex;
  gap: 30px;
}

.main-menu {
  flex: 0 0 250px;
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  align-self: flex-start; /* 讓它高度自適應 */
}

.main-menu .member-profile {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
  margin-bottom: 20px;
}
.main-menu .member-profile h3 {
  margin: 10px 0 5px;
}
.main-menu .member-profile .points-display {
  font-size: 1.1em;
  font-weight: 600;
  color: var(--accent-color);
}

.main-menu ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.main-menu ul li a {
  display: block;
  padding: 12px 15px;
  text-decoration: none;
  color: var(--text-color);
  border-radius: 8px;
  margin-bottom: 5px;
  transition: background-color 0.3s, color 0.3s;
  font-weight: 500;
}

.main-menu ul li a:hover,
.main-menu ul li a.active {
  background-color: var(--secondary-color);
  color: #fff;
}

.main-calendar {
  flex: 1;
  background: var(--card-bg);
  padding: 20px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

/* --- 卡片樣式 (用於新聞、活動) --- */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  margin-bottom: 25px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 20px;
}

.card-content h3 {
  margin-top: 0;
}

/* --- 管理頁面表格 --- */
.management-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}
.management-table th,
.management-table td {
  padding: 12px;
  border: 1px solid #ddd;
  text-align: left;
}
.management-table th {
  background-color: var(--primary-color);
  color: white;
}
.management-table tr:nth-child(even) {
  background-color: #f2f2f2;
}
.management-table .actions a {
  margin-right: 10px;
}

footer {
  text-align: center;
  padding: 1rem;
  margin-top: auto;
  background-color: var(--light-gray);
  color: var(--secondary-color);
  font-size: 0.9rem;
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
}

footer a:hover {
  text-decoration: underline;
}

/* --- 響應式設計 --- */
@media (max-width: 992px) {
  .main-content {
    flex-direction: column;
  }
  .main-menu {
    flex: 1;
    width: 100%;
    box-sizing: border-box;
  }
}

@media (max-width: 768px) {
  .login-container {
    flex-direction: column;
  }
  .login-left {
    padding-right: 0;
    margin-bottom: 30px;
  }
  .main-header {
    flex-direction: column;
    align-items: flex-start;
  }
  .main-nav {
    margin-top: 15px;
    width: 100%;
  }
  .main-nav ul {
    flex-direction: column;
    width: 100%;
  }
  .main-nav ul li {
    margin: 5px 0;
    width: 100%;
  }
  .main-nav ul li a {
    display: block;
    text-align: center;
  }
}