/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* CSS Custom Properties - Default Theme */
:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --accent-color: #f093fb;
  --text-color: #333333;
  --text-light: #555555;
  --text-muted: #777777;
  --background-color: #fafafa;
  --surface-color: #ffffff;
  --border-color: #eeeeee;
  --shadow-color: rgba(0, 0, 0, 0.08);
  --header-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --font-family: 'Cormorant Garamond', san-serif;
  --accent-font: 'Sacramento', cursive;
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

/* Alternative Color Themes */
.theme-dark {
  --primary-color: #3b82f6;
  --secondary-color: #1e40af;
  --accent-color: #60a5fa;
  --text-color: #f9fafb;
  --text-light: #d1d5db;
  --text-muted: #9ca3af;
  --background-color: #111827;
  --surface-color: #1f2937;
  --border-color: #374151;
  --shadow-color: rgba(0, 0, 0, 0.3);
  --header-gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
}

.theme-nature {
  --primary-color: #059669;
  --secondary-color: #047857;
  --accent-color: #10b981;
  --text-color: #1f2937;
  --text-light: #374151;
  --text-muted: #6b7280;
  --background-color: #f0fdf4;
  --surface-color: #ffffff;
  --border-color: #d1fae5;
  --shadow-color: rgba(5, 150, 105, 0.1);
  --header-gradient: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.theme-ocean {
  --primary-color: #0891b2;
  --secondary-color: #0e7490;
  --accent-color: #06b6d4;
  --text-color: #0f172a;
  --text-light: #334155;
  --text-muted: #64748b;
  --background-color: #f0f9ff;
  --surface-color: #ffffff;
  --border-color: #bae6fd;
  --shadow-color: rgba(8, 145, 178, 0.1);
  --header-gradient: linear-gradient(135deg, #0891b2 0%, #0e7490 100%);
}

.theme-sunset {
  --primary-color: #ea580c;
  --secondary-color: #dc2626;
  --accent-color: #f97316;
  --text-color: #1f2937;
  --text-light: #374151;
  --text-muted: #6b7280;
  --background-color: #fff7ed;
  --surface-color: #ffffff;
  --border-color: #fed7aa;
  --shadow-color: rgba(234, 88, 12, 0.1);
  --header-gradient: linear-gradient(135deg, #ea580c 0%, #dc2626 100%);
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  transition: var(--transition);
}

/* Header Styles */
#header {
  background: var(--header-gradient);
  color: white;
  padding: 2rem 0;
  text-align: center;
  box-shadow: 0 2px 10px var(--shadow-color);
  transition: var(--transition);
}

.header-content h1 {
  font-family: var(--accent-font);
  font-size: 3rem;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.tagline {
  font-size: 1.2rem;
  opacity: 0.9;
  font-weight: 300;
}

/* Container and Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 3rem;
  padding: 3rem 2rem;
}

/* Sidebar Styles */
.sidebar {
  background: var(--surface-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow-color);
  height: fit-content;
  position: sticky;
  top: 2rem;
  transition: var(--transition);
}

.sidebar h3 {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.contact-info .contact-item {
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.contact-item .label {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.9rem;
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.contact-item a:hover {
  color: var(--secondary-color);
  text-decoration: underline;
}

.skills-section {
  margin-top: 2rem;
}

.skill-category {
  margin-bottom: 1.5rem;
}

.skill-category h4 {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 0.8rem;
}

.skills-list {
  list-style: none;
}

.skills-list li {
  background: var(--background-color);
  padding: 0.5rem 1rem;
  margin-bottom: 0.5rem;
  border-radius: 6px;
  border-left: 3px solid var(--primary-color);
  font-size: 0.95rem;
  transition: var(--transition);
}

.skills-list li:hover {
  background: var(--primary-color);
  color: white;
  transform: translateX(5px);
}

/* Main Content Styles */
.main-content {
  background: var(--surface-color);
  padding: 2.5rem;
  border-radius: var(--border-radius);
  box-shadow: 0 4px 20px var(--shadow-color);
  transition: var(--transition);
}

.main-content section {
  margin-bottom: 3rem;
}

.main-content h2 {
  color: var(--text-color);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.8rem;
}

.main-content h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--header-gradient);
  border-radius: 2px;
}

/* Summary Section */
.summary p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-light);
}

/* Experience Section */
.job {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  transition: var(--transition);
}

.job:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--shadow-color);
  border-radius: 8px;
  padding: 1.5rem;
  margin: 1rem -1.5rem 2.5rem -1.5rem;
}

.job:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.job-header {
  margin-bottom: 1rem;
}

.job-header h3 {
  color: var(--primary-color);
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.company {
  font-weight: 600;
  color: var(--text-color);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.3rem;
}

.date-range {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.95rem;
}

.achievements {
  margin-top: 1rem;
  padding-left: 1.5rem;
}

.achievements li {
  margin-bottom: 0.8rem;
  position: relative;
  line-height: 1.6;
  color: var(--text-light);
}

.achievements li::before {
  content: '▸';
  color: var(--primary-color);
  position: absolute;
  left: -1.5rem;
  font-weight: bold;
}

/* Education Section */
.education-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;
  background: var(--background-color);
  border-radius: 8px;
  transition: var(--transition);
}

.education-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px var(--shadow-color);
}

.education-item h3 {
  color: var(--primary-color);
  font-size: 1.3rem;
}

.institution {
  font-weight: 600;
  color: var(--text-color);
  font-size: 1.1rem;
}

/* Projects Section */
.project {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: var(--background-color);
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
}

.project:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px var(--shadow-color);
}

.project h3 {
  color: var(--text-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.project p {
  margin-bottom: 1rem;
  line-height: 1.7;
  color: var(--text-light);
}

.project-technologies {
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.project a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--primary-color);
  color: white;
  border-radius: 6px;
  font-size: 0.9rem;
}

.project a:hover {
  background: var(--secondary-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-color);
}

/* Footer */
#footer {
  background: var(--surface-color);
  color: var(--text-color);
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
}

#footer p {
  margin: 0;
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Theme Switcher */
.theme-switcher {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--surface-color);
  border-radius: 8px;
  padding: 0.5rem;
  box-shadow: 0 4px 15px var(--shadow-color);
}

.theme-switcher select {
  background: var(--background-color);
  color: var(--text-color);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  padding: 0.3rem 0.5rem;
  font-size: 0.8rem;
  cursor: pointer;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding: 2rem 1rem;
  }
  
  .sidebar {
    position: static;
    order: 2;
  }
  
  .main-content {
    order: 1;
    padding: 2rem;
  }
  
  .header-content h1 {
    font-size: 2.5rem;
  }
  
  .tagline {
    font-size: 1.1rem;
  }
  
  .theme-switcher {
    position: static;
    margin: 1rem auto;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 1.5rem 1rem;
  }
  
  .sidebar,
  .main-content {
    padding: 1.5rem;
  }
  
  .header-content h1 {
    font-size: 2rem;
  }
  
  .main-content h2 {
    font-size: 1.5rem;
  }
  
  .job-header {
    text-align: left;
  }
  
  .company,
  .date-range {
    display: block;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    font-size: 12px;
    line-height: 1.4;
  }
  
  .container {
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0;
    max-width: none;
  }
  
  .sidebar,
  .main-content {
    box-shadow: none;
    border: 1px solid #ddd;
    padding: 1rem;
    margin-bottom: 1rem;
    page-break-inside: avoid;
  }
  
  #header {
    background: var(--primary-color) !important;
    -webkit-print-color-adjust: exact;
    color-adjust: exact;
  }
  
  .main-content h2::after {
    background: var(--primary-color) !important;
    -webkit-print-color-adjust: exact;
    color-adjust: exact;
  }
  
  a {
    color: var(--text-color) !important;
    text-decoration: underline;
  }
  
  .project {
    background: var(--background-color) !important;
    -webkit-print-color-adjust: exact;
    color-adjust: exact;
  }
  
  .theme-switcher {
    display: none;
  }
}