/* CSS Variables with green theme */
:root {
  --primary-green: #2e8b57;
  --dark-green: #1a5c3a;
  --light-green: #4caf50;
  --mint-green: #e8f5e8;
  --forest-green: #2d5a2d;
  --text-color: #333333;
  --light-text: #ffffff;
  --bg-color: #f8fff8;
  --card-bg: #ffffff;
  --font-family-primary: 'Inter', 'Helvetica Neue', Arial, sans-serif;
  --font-family-heading: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --border-radius: 12px;
  --box-shadow: 0 4px 12px rgba(46, 139, 87, 0.1);
  --transition: all 0.3s ease;
  --accent-color: #6b8e23;
  --text-muted: #666666;
}

/* Custom Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Montserrat:wght@400;500;600;700&display=swap');

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family-primary);
  line-height: 1.6;
  color: var(--text-color);
  background: linear-gradient(135deg, var(--bg-color) 0%, #f0f8f0 100%);
  min-height: 100dvh;
  min-width: 100dvw;
  display: flex;
  flex-direction: column;
  margin: 0; 
}

header {
  background-color: var(--dark-green);
  padding: clamp(0.5rem, 2dvh, 1rem) 5%; 
  display: flex;
  justify-content: space-between; 
  align-items: center;
  flex-wrap: wrap;
  color: var(--light-text); 

  & .header-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem; 
  }
}




nav {
  width: auto;
  margin-top: 0;
   
  & ul {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
  }
  
  & a {  
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.0rem;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.1);
    
    &:hover {
      background: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
    }
  }
}


/* Main content */
main {
  flex: 1;
  padding: 1.5rem 2%; /* Reduced side padding */
  max-width: 1400px; /* Much wider than 1000px */
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* Trying to style my project-card*/



/* Resume sections */
/* Define the animation first */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Resume sections */
section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  border-left: 4px solid var(--primary-green);
  animation: fadeIn 0.6s ease-out; /* Much faster - 0.6s instead of 3s */
  box-sizing: border-box;
  overflow: hidden;
  word-wrap: break-word;
  width: 100%;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  section {
    animation: none;
  }
}

/* Keep your responsive adjustments */
@media (max-width: 768px) {
  main {
    padding: 1em 3%; /* Slightly more padding on mobile */
  }
  
  section  {
    padding: 1rem;
    margin-bottom: 1.5rem;
  }
}

@media (max-width: 480px) {
  main {
    padding: 0.75rem 4%; /* More padding on very small screens */
  }
  
  section  {
    padding: 0.75rem;
    margin-bottom: 1rem;
    border-left-width: 3px;
  }
}


/* Headings */
h2 {
  font-family: var(--font-family-heading);
  font-size: 1.5rem;
  font-size-adjust: 0.6; /* Different adjustment for headings */
  margin-bottom: 1.2rem;
  color: var(--forest-green);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--mint-green);
}

h3 {
  font-family: var(--font-family-heading);
  font-size: 1.2rem;
  margin: 1.2rem 0 0.8rem;
  color: var(--primary-green);
}

h4 {
  font-size: 1.1rem;
  margin: 1rem 0 0.5rem;
  color: var(--forest-green);
}

/* List styles */
ul, ol {
  margin-left: 1.2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.4rem;
  line-height: 1.5;
}

/* Article styles */
article {
  margin-bottom: 1.2rem;
  padding: 1rem;
  background: linear-gradient(to right, var(--mint-green) 0%, transparent 100%);
  border-radius: var(--border-radius);
  transition: var(--transition);
}

article:hover {
  transform: translateX(5px);
  box-shadow: 0 4px 8px rgba(46, 139, 87, 0.15);
}

/* Compact Contact Form */
.form-container {
  max-width: 500px;
  margin: 0 auto;
}

form {
  margin-top: 1rem;
}

fieldset {
  border: 1px solid var(--mint-green);
  border-radius: var(--border-radius);
  padding: 1.2rem;
  background: var(--card-bg);
}

legend {
  font-weight: 600;
  padding: 0 0.5rem;
  color: var(--primary-green);
  font-size: 1.1rem;
}

.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 500;
  color: var(--forest-green);
  font-size: 0.9rem;
}

input, textarea {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.9rem;
  transition: var(--transition);
  background: var(--mint-green);
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-green);
  box-shadow: 0 0 0 2px rgba(46, 139, 87, 0.2);
  background: white;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

button {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
  color: white;
  border: none;
  padding: 0.7rem 1.5rem;
  border-radius: 25px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.9rem;
  width: 100%;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(46, 139, 87, 0.3);
}

/* Iframe styles */
iframe {
  border: 1px solid var(--mint-green);
  border-radius: var(--border-radius);
  margin-top: 1rem;
  width: 100%;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--forest-green) 0%, var(--dark-green) 100%);
  color: var(--light-text);
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
  font-size: 0.9rem;
}

/* Nested and Scoped CSS */
@scope (resume-section) {
  h3 {
    color: var(--dark-green);
  }
  
  article {
    background: linear-gradient(to right, rgba(76, 175, 80, 0.1) 0%, transparent 100%);
  }
}

/* Container Queries */
@container (min-width: 400px) {
  article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

/* Color transitions */
.accent-text {
  color: var(--primary-green);
  transition: color 0.3s ease;
}

.accent-text:hover {
  color: var(--dark-green);
}

.highlight {
  background: linear-gradient(120deg, transparent 0%, var(--mint-green) 50%, transparent 100%);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.highlight:hover {
  background: linear-gradient(120deg, transparent 0%, var(--light-green) 50%, transparent 100%);
}

/* Responsive Design */

/* Tablet */
@media (min-width: 768px) and (max-width: 1024px) {
  .header-content {
    flex-direction: row;
    justify-content: space-between;
  }
  
  header h1 {
    font-size: 1.6rem;
  }
  
  nav {
    width: auto;
    margin-top: 0;
  }
  
  nav ul {
    gap: 1rem;
  }
  
  main {
    padding: 1.2rem 3%;
  }
}

/* Desktop */
@media (min-width: 1025px) {
  .header-content {
    flex-direction: row;
    justify-content: space-between;
  }
  
  header h1 {
    font-size: 1.7rem;
  }
  
  nav {
    width: auto;
    margin-top: 0;
  }
  
  main {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    padding: 2rem 5%;
  }
  
  section:first-child :first-child {
    grid-column: 1 / -1;
  }
  
  .form-container {
    max-width: 100%;
  }
}



/* Small Phone (480px and below) */
@media (max-width: 480px) {
  header {
    padding: 0.8rem 5%;
  }
  
  header h1 {
    font-size: 1.3rem;
  }
  
  header p {
    font-size: 0.8rem;
  }
  
  .hamburger-menu {
    width: 25px;
    height: 18px;
  }
  
  .hamburger-menu.active span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
  }
  
  .hamburger-menu.active span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
  }
}


/* Extra Credit Features */

/* Wider gamut color */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* New selectors */
section:has(h2) {
  border-top: 2px solid var(--mint-green);
  padding-top: 1.2rem;
}

/* Print styles */
@media print {
  * {
    background: transparent !important;
    color: color-mix(in hsl, hsl(200 50 80), coral)!important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  header, footer, .hamburger-menu {
    display: none;
  }
  
  nav {
    display: block !important;
  }
  
  nav ul {
    display: flex !important;
    background: none !important;
    padding: 0 !important;
  }
}

/* Personal Belief Section */
.personal-belief {
  padding: 1.5rem;
  
  & h3 {
    color: var(--dark-green);
  }
  
  & .belief-image {
    object-fit: cover;
    
    &:hover {
      transform: scale(1.02);
    }
  }
}

picture {
    max-width: 20rem; /* Control maximum image size */
    max-height: 20rem;
    margin: 1rem auto;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.belief-image {
    width: 100%;
    height: 300px; /* Fixed height for consistency */
    object-fit: cover; /* Ensures image fills container without distortion */
    object-position: center; /* Focus on the center of the image */
    transition: transform 0.3s ease;
}

.belief-image:hover {
    transform: scale(1.02);
}

.belief-caption {
    font-style: italic;
    color: var(--text-muted);
    margin-top: 0.75rem;
    font-size: 0.9rem;
}
.image-citation {
    display: block;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: normal; /* Override default italic style */
    text-align: center;
    padding: 0.5rem;
    background: color-mix(in srgb, var(--mint-green) 30%, transparent 70%);
    border-radius: 4px;
    
    & a {
        color: var(--primary-green);
        text-decoration: none;
        
        &:hover {
            text-decoration: underline;
        }
    }
}
a {
  color: inherit; /* Inherits color from parent */
  text-decoration: none; /* Removes underline */
}

/* If you want to keep the italic style but make it subtle */
.image-citation.italic {
    font-style: italic;
    opacity: 0.7;
}
/* Responsive Image Sizes */
@media (max-width: 768px) {
    picture {
        max-width: 100%;
        margin: 0.75rem auto;
    }
    
    .belief-image {
        height: 250px; /* Slightly smaller on tablets */
    }
    
    .personal-belief {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .belief-image {
        height: 200px; /* Even smaller on mobile */
    }
    
    .personal-belief {
        padding: 0.75rem;
    }
}

/* Projects Grid Layout */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 1rem 0;
}

/* 确保自定义元素样式正确继承 */
project-card {
    /* 这些变量将从 :root 继承 */
    --card-bg: var(--card-bg);
    --primary-color: var(--primary-green);
    --text-color: var(--text-color);
    --border-radius: var(--border-radius);
    --box-shadow: var(--box-shadow);
    --transition: var(--transition);
    
    /* 确保和 section 一样的动画 */
    animation: fadeIn 0.6s ease-out;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

@media (min-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}


/* 数据控制按钮样式 */
.data-controls {
    text-align: center;
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.data-controls button {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--light-green) 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin: 0 0.5rem;
    font-size: 1rem;
}

.data-controls button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(46, 139, 87, 0.3);
}

/* 项目网格布局保持不变 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 1rem 0;
}

project-card {
    --card-bg: var(--card-bg);
    --primary-color: var(--primary-green);
    --text-color: var(--text-color);
    --border-radius: var(--border-radius);
    --box-shadow: var(--box-shadow);
    --transition: var(--transition);
    animation: fadeIn 0.6s ease-out;
}


/* CRUD 页面特定样式 */
.crud-section {
    max-width: 1200px;
    margin: 0 auto;
}

.form-section {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 2rem;
}

.form-section h3 {
    color: var(--primary-green);
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--mint-green);
    padding-bottom: 0.5rem;
}

.projects-list-section {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.projects-list {
    margin-top: 1.5rem;
}

.project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border: 1px solid var(--mint-green);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.project-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--box-shadow);
}

.project-preview h4 {
    color: var(--primary-green);
    margin-bottom: 0.5rem;
}

.project-description {
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.project-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
}

.project-meta .date {
    color: var(--primary-green);
    font-weight: 500;
}

.project-meta .tech {
    color: var(--text-muted);
}

.project-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-edit, .btn-delete {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-edit {
    background: var(--light-green);
    color: white;
}

.btn-delete {
    background: #e74c3c;
    color: white;
}

.btn-edit:hover {
    background: var(--primary-green);
    transform: translateY(-1px);
}

.btn-delete:hover {
    background: #c0392b;
    transform: translateY(-1px);
}

.no-projects {
    text-align: center;
    color: var(--text-muted);
    padding: 2rem;
    font-style: italic;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .project-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .project-actions {
        align-self: flex-end;
    }
    
    .form-section,
    .projects-list-section {
        padding: 1.5rem;
    }
}