/* CSS Custom Properties for Modern Theme */
:root {
  /* Modern Color Palette with Beautiful Gradients */
  --primary-color: #667eea;
  --primary-hover: #5a6fd8;
  --secondary-color: #764ba2;
  --accent-color: #ff6b6b;
  --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --gradient-secondary: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);
  --gradient-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --gradient-warm: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%);
  --gradient-cool: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #ff6b6b 100%);
  
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #e2e8f0;
  --bg-glass: rgba(255, 255, 255, 0.8);
  
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-muted: #9ca3af;
  
  --border-color: #e5e7eb;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 30px rgba(59, 130, 246, 0.3);

  --success-color: #10b981;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --bg-glass: rgba(15, 23, 42, 0.8);
  
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-color: #374151;
  --shadow-light: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ensure all text is visible */
h1, h2, h3, h4, h5, h6, p, span, a, li {
  color: var(--text-primary);
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] p,
[data-theme="dark"] span,
[data-theme="dark"] li {
  color: var(--text-primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3rem;
}
h2 {
  font-size: 2.5rem;
}
h3 {
  font-size: 2rem;
}
h4 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

/* Header and Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .header {
  background: rgba(15, 23, 42, 0.95);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo h2 {
  color: var(--primary-color);
  margin: 0;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
}

.nav-link {
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-color);
}

/* Theme Toggle */
.theme-toggle {
  margin-left: 1rem;
}

.theme-toggle-btn {
  background: none;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.theme-icon {
  font-size: 1.2rem;
}

/* Hamburger Menu */
.hamburger {
  display: none;
  flex-direction: column;
  cursor: pointer;
  margin-left: 1rem;
}

.bar {
  width: 25px;
  height: 3px;
  background-color: var(--text-primary);
  margin: 3px 0;
  transition: 0.3s;
}

/* Main Content */
.main {
  margin-top: 70px;
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  padding: 2rem 0;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 700;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .hero-title {
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.highlight {
  color: var(--primary-color);
  font-weight: 800;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-weight: 600;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .hero-subtitle {
  color: #e2e8f0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.hero-description {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .hero-description {
  color: #cbd5e1;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  color: var(--text-secondary);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-avatar {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid var(--primary-color);
  box-shadow: var(--shadow-large);
}

.hero-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
}

/* Sections */
section {
  padding: 5rem 0;
}

.section-title {
  text-align: center;
  margin-bottom: 3rem;
  color: var(--text-primary);
}

/* About Section */
.about {
  background-color: var(--bg-secondary);
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.about-text p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
  color: var(--text-secondary);
  text-align: justify;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.stat {
  text-align: center;
}

.stat h3 {
  font-size: 2rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat p {
  color: var(--text-secondary);
  margin: 0;
}



/* Skills Section */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.skill-category {
  background-color: var(--bg-secondary);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-light);
  transition: transform 0.3s ease;
}

.skill-category:hover {
  transform: translateY(-5px);
}

.skill-category h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-item {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 2rem;
  font-size: 0.9rem;
  font-weight: 500;
}

/* Projects Section */
.projects {
  background-color: var(--bg-secondary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: var(--bg-primary);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-medium);
  transition: transform 0.3s ease;
}

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

.project-image {
  position: relative;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 250px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.project-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.project-card:hover .project-overlay {
  opacity: 1;
}

.project-card:hover .project-image img {
  transform: scale(1.1);
}

.project-links {
  display: flex;
  gap: 1rem;
}

.project-link {
  background-color: var(--primary-color);
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  font-size: 1.2rem;
  transition: transform 0.3s ease;
}

.project-link:hover {
  transform: scale(1.1);
}

.project-content {
  padding: 2rem;
}

.project-content h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.project-content p {
  margin-bottom: 1.5rem;
}

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

.tech-tag {
  background-color: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.8rem;
  font-weight: 500;
}

/* Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-info h3 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.contact-details {
  margin-top: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contact-icon {
  font-size: 1.2rem;
}

/* Forms */
.contact-form,
.login-form {
  background-color: var(--bg-secondary);
  padding: 2rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-medium);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
}

.error-message {
  color: var(--error-color);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  display: block;
}

.form-success {
  background-color: var(--success-color);
  color: white;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-top: 1rem;
  text-align: center;
}

/* Admin Section */
.admin {
  background-color: var(--bg-secondary);
}

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

.demo-credentials {
  background-color: var(--bg-tertiary);
  padding: 1rem;
  border-radius: 0.5rem;
  margin-top: 1rem;
  text-align: center;
}

.demo-credentials p {
  margin: 0.25rem 0;
  font-size: 0.9rem;
}

.login-error {
  background-color: var(--error-color);
  color: white;
  padding: 1rem;
  border-radius: 0.5rem;
  margin-top: 1rem;
  text-align: center;
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.submissions-container {
  display: grid;
  gap: 1rem;
}

.submission-card {
  background-color: var(--bg-primary);
  padding: 1.5rem;
  border-radius: 0.5rem;
  box-shadow: var(--shadow-light);
  border-left: 4px solid var(--primary-color);
}

.submission-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.submission-info h4 {
  color: var(--text-primary);
  margin: 0 0 0.5rem 0;
}

.submission-info p {
  color: var(--text-secondary);
  margin: 0;
  font-size: 0.9rem;
}

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

.btn-small {
  padding: 0.25rem 0.75rem;
  font-size: 0.8rem;
  border-radius: 0.25rem;
}

.submission-message {
  background-color: var(--bg-secondary);
  padding: 1rem;
  border-radius: 0.5rem;
  margin-top: 1rem;
}

.submission-unread {
  border-left-color: var(--accent-color);
}

/* Footer */
.footer {
  background-color: var(--bg-tertiary);
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: 1rem;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-secondary);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--bg-primary);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-medium);
    padding: 2rem 0;
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: 1rem 0;
  }

  .hamburger.active .bar:nth-child(2) {
    opacity: 0;
  }

  .hamburger.active .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .hamburger.active .bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 2rem;
  }

  .hero-title {
    font-size: 2.5rem;
  }

  .about-content {
    text-align: center;
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-stats {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 300px;
  }

  .container {
    padding: 0 1rem;
  }

  .nav-container {
    padding: 0 1rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }
}

/* Loading and Animation States */
.btn-loading {
  display: none;
}

.btn.loading .btn-text {
  display: none;
}

.btn.loading .btn-loading {
  display: inline;
}

/* Smooth Transitions */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* Focus styles for keyboard navigation */
button:focus,
input:focus,
textarea:focus,
a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Screen reader only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Email Links Styling */
.email-link {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
  position: relative;
  transition: all 0.3s ease;
}

.email-link:hover {
  color: var(--primary-hover);
  transform: translateY(-1px);
}

.email-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.email-link:hover::after {
  width: 100%;
}

/* Project Status Styling */
.project-status {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.3s ease;
}

.project-status.not-hosted {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
  border: 1px solid #fbbf24;
}

[data-theme="dark"] .project-status.not-hosted {
  background: linear-gradient(135deg, #451a03 0%, #78350f 100%);
  color: #fbbf24;
  border: 1px solid #92400e;
}

/* Enhanced Button Gradients - Override for visibility */
.btn {
  background: var(--gradient-primary) !important;
  color: white !important;
  border: none;
  position: relative;
  overflow: hidden;
  font-weight: 600;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

/* Enhanced Project Cards */
.project-card {
  background: var(--bg-primary);
  border-radius: 20px;
  box-shadow: var(--shadow-medium);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.project-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.project-card:hover::before {
  transform: scaleX(1);
}

.project-card:hover {
  transform: translateY(-15px);
  box-shadow: var(--shadow-large);
}

/* Enhanced Skill Bars */
.skill-progress {
  background: var(--gradient-primary);
  border-radius: 10px;
  position: relative;
  overflow: hidden;
}

.skill-progress::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Enhanced Hero Section with Text Visibility */
.hero {
  background: var(--gradient-hero);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(1px);
}

[data-theme="dark"] .hero::before {
  background: rgba(0, 0, 0, 0.3);
}

.hero-container {
  position: relative;
  z-index: 2;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Improved Theme Toggle */
#theme-toggle-btn {
  background: var(--gradient-accent);
  border: none;
  border-radius: 50%;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-medium);
  cursor: pointer;
}

#theme-toggle-btn:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-large);
}

.theme-icon {
  font-size: 1.2rem;
  display: block;
}

/* Glowing Effects */
.glow-on-hover {
  transition: all 0.3s ease;
}

.glow-on-hover:hover {
  box-shadow: 0 0 20px rgba(102, 126, 234, 0.6);
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* Improved Contact Section */
.contact-item {
  transition: all 0.3s ease;
  padding: 1.5rem;
  border-radius: 15px;
  background: var(--bg-secondary);
}

.contact-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
  background: var(--gradient-cool);
}

/* Admin Section */
.admin {
  background: var(--bg-secondary);
  padding: 5rem 0;
}

.admin-login-card {
  max-width: 400px;
  margin: 0 auto;
  background: var(--bg-primary);
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-large);
  text-align: center;
  border: 1px solid var(--border-color);
}

.admin-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.8;
}

.admin-login-card h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.admin-login-card p {
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.admin-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.admin-form input {
  padding: 1rem;
  border: 2px solid var(--border-color);
  border-radius: 10px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.admin-form input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.admin-panel {
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

.admin-panel.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.admin-header h2 {
  margin: 0;
  color: var(--text-primary);
}

#admin-logout-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: transparent;
  border: 2px solid var(--error-color);
  color: var(--error-color);
  border-radius: 10px;
  transition: all 0.3s ease;
}

#admin-logout-btn:hover {
  background: var(--error-color);
  color: white;
  transform: translateY(-2px);
}

.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Responses Section */
.responses {
  background: var(--bg-secondary);
  padding: 5rem 0;
}

.responses-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.responses-description {
  color: var(--text-secondary);
  margin: 0;
  flex: 1;
}

.responses-controls {
  display: flex;
  gap: 1rem;
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: white;
}

.responses-grid {
  display: grid;
  gap: 1.5rem;
}

.no-responses {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.no-responses-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.no-responses h3 {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.response-card {
  background: var(--bg-primary);
  border-radius: 15px;
  padding: 1.5rem;
  box-shadow: var(--shadow-medium);
  transition: all 0.3s ease;
  border-left: 4px solid var(--primary-color);
}

.response-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.response-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.response-info h3 {
  margin: 0 0 0.25rem 0;
  color: var(--text-primary);
  font-size: 1.2rem;
}

.response-email {
  color: var(--primary-color);
  font-size: 0.9rem;
  font-weight: 500;
}

.response-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.response-date {
  color: var(--text-secondary);
  font-size: 0.85rem;
  white-space: nowrap;
}

.delete-response-btn {
  background: none;
  border: none;
  color: #e74c3c;
  cursor: pointer;
  padding: 0.25rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

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

.response-message {
  margin-bottom: 1rem;
}

.response-message p {
  color: var(--text-primary);
  line-height: 1.6;
  margin: 0;
}

.response-id {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  font-family: monospace;
}

@media (max-width: 768px) {
  .admin-login-card {
    margin: 0 1rem;
    padding: 2rem;
  }
  
  .admin-header {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .responses-header {
    flex-direction: column;
    align-items: stretch;
  }
  
  .responses-controls {
    justify-content: center;
  }
  
  .response-header {
    flex-direction: column;
    gap: 1rem;
  }
  
  .response-meta {
    justify-content: space-between;
  }
}