/*========================================
This stylesheet is organized into:
  1. Theme variables - Color schemes and design variables
  2. Base elements - Core HTML element styling
  3. Typography & Links - Text and link styling
  4. Navigation - Navbar and menu styling
  5. Buttons - Button styling and variants
  6. Home page - Homepage specific styles
  7. Projects page - Project listing and cards
  8. Post page - Blog post styling
  9. Markdown - Content styling for markdown
  10. Cards & Components - Reusable UI components
  11. Utility classes - Helper styles
  12. Tools & Utility - Styles for tools and utility pages
========================================*/

/*========================================
  1. THEME VARIABLES
========================================*/

:root {
  --color-base-100: oklch(15% 0.09 281.288);
  --color-base-200: oklch(20% 0.09 281.288);
  --color-base-300: oklch(25% 0.09 281.288);
  --color-base-content: oklch(78% 0.115 274.713);
  --color-primary: oklch(71% 0.202 349.761);
  --color-primary-content: oklch(28% 0.109 3.907);
  --color-secondary: oklch(82% 0.111 230.318);
  --color-secondary-content: oklch(29% 0.066 243.157);
  --color-accent: oklch(75% 0.183 55.934);
  --color-accent-content: oklch(26% 0.079 36.259);
  --color-neutral: oklch(45% 0.24 277.023);
  --color-neutral-content: oklch(87% 0.065 274.039);
  --color-info: oklch(74% 0.16 232.661);
  --color-info-content: oklch(29% 0.066 243.157);
  --color-success: oklch(77% 0.152 181.912);
  --color-success-content: oklch(27% 0.046 192.524);
  --color-warning: oklch(90% 0.182 98.111);
  --color-warning-content: oklch(42% 0.095 57.708);
  --color-error: oklch(73.7% 0.121 32.639);
  --color-error-content: oklch(23.501% 0.096 290.329);
  --radius-selector: 1rem;
  --radius-field: 0.5rem;
  --radius-box: 1rem;
  --size-selector: 0.25rem;
  --size-field: 0.25rem;
  
  /* Border styles */
  --border: 1px;
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;
  --border-radius-full: 9999px;
  
  /* Effects */
  --depth: 0;
  --noise: 0;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.3);
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 3rem;
  --font-size-4xl: 3.75rem;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;
  --line-height-tight: 1.1;
  --line-height-normal: 1.5;
  --line-height-loose: 1.8;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Animations */
  --animation-fast: 0.2s;
  --animation-normal: 0.3s;
  --animation-slow: 0.5s;
  --easing-default: ease-in-out;
  
  /* Layout */
  --navbar-height: 64px;
  --container-max-width: 1200px;
  --content-max-width: 768px;
  
  /* Z-index layers */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-overlay: 300;
  --z-modal: 400;
}

/*========================================
  2. BASE ELEMENTS
========================================*/

/* Reset and foundation styles */
html, body {
  background-color: var(--color-base-200);
  color: var(--color-base-content);
  height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden; /* Prevent horizontal scrolling */
}

body {
  display: flex;
  flex-direction: column; /* Stack elements vertically */
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
}

/*========================================
  4. NAVIGATION
========================================*/

/* Main navigation bar - complete redesign for mobile stability */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--navbar-height);
  padding: 0 var(--spacing-lg);
  background-color: var(--color-base-200);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  font-weight: var(--font-weight-medium);
  box-sizing: border-box;
  width: 100%;
}

/* Left side of navbar - title container */
.navbar .navbar-start {
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: calc(100% - 60px);
  padding-right: 10px;
}

/* Right side of navbar - hamburger container */
.navbar .navbar-end {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 44px;
  min-width: 44px;
  position: relative;
}

/* Ghost buttons in navbar */
.navbar a.btn-ghost {
  color: var(--color-base-content);
  font-weight: 500;
}

.navbar a.btn-ghost:hover {
  background-color: transparent;
  color: var(--color-primary); /* Pink on hover */
}

/* Dropdown menu in navbar */
.dropdown .dropdown-content {
  display: none; /* Hidden by default */
  position: absolute;
  right: 0;
  background-color: var(--color-base-200);
  min-width: 200px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  border-radius: var(--radius-box);
}

/* Show dropdown and nav menu when toggled */
.dropdown-content.show,
.nav-menu.show {
  display: block;
}

/* Main content area */
main {
  flex: 1; /* Take up all available space */
  display: flex;
  flex-direction: column;
  align-items: center; /* Center content horizontally */
  width: 100%;
  padding: 1rem 1rem 2rem;
  margin: 0 auto;
  gap: 1.75rem; /* Space between child elements */
  max-width: 800px; /* Maximum width for better readability */
  box-sizing: border-box; /* Include padding in width calculation */
}

/*========================================
  6. HOME PAGE
========================================*/

/* Center homepage content vertically */
body:has(.home-page) main {
  justify-content: center;
}

/* Homepage layout */
.home-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem; /* Generous spacing between sections */
  width: 100%;
  text-align: center;
}

/* Homepage buttons container */
.home-buttons-container {
  display: flex;
  flex-wrap: wrap; /* Allow buttons to wrap on small screens */
  gap: 1rem;
  justify-content: center;
  margin: 1rem auto;
  max-width: 600px;
}

/* Icon styling for social links, etc */
.icon-link svg {
  width: 32px;
  height: 32px;
  color: var(--color-base-content);
  fill: var(--color-base-content);
}

.icon-link:hover svg {
  color: var(--color-primary); /* Pink on hover */
  fill: var(--color-primary);
}

/* Standard container - centers content with max width */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto; /* Center horizontally */
  padding: 0 1rem; /* Side padding */
}

/*========================================
  3. TYPOGRAPHY & LINKS
========================================*/

/* Basic link styling */
a {
  color: var(--color-primary); /* Pink links */
  text-decoration: none;
  transition: all 0.2s ease-in-out; /* Smooth hover effect */
}

a:hover {
  color: var(--color-secondary); /* Blue on hover */
}

/*========================================
  5. BUTTONS
========================================*/

/* Base button styles */
.btn {
  text-transform: none;
  font-weight: 500;
  transition: all 0.2s ease-in-out; /* Smooth hover effect */
  height: auto;
  min-height: 2.25rem;
  padding: 0.375rem 1.25rem;
  border-radius: var(--radius-field);
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin: 0 0.375rem;
}

/* Primary button - outline style with hover fill */
.btn-primary {
  background-color: transparent;
  border: 1px solid var(--color-primary); /* Pink border */
  color: var(--color-primary); /* Pink text */
  width: auto;
  min-width: 5rem;
  padding: 0.5rem 1.5rem;
  font-size: 0.9375rem;
}

.btn-primary:hover {
  background-color: var(--color-primary); /* Pink fill on hover */
  color: var(--color-primary-content); /* Dark text on hover */
  border-color: var(--color-primary);
}

/* Outline style button */
.btn-outline {
  border-width: 1px;
}

/* Link styled as button */
a.btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  white-space: nowrap;
  margin: 0.25rem;
  min-width: 120px; /* Ensure minimum clickable area */
}

/*========================================
  10. CARDS & COMPONENTS
========================================*/

/* List styling for navbar dropdown */
ul.menu {
  padding: 1rem 0;
  margin: 0;
  list-style: none;
  display: none;
}

ul.menu.show {
  display: block;
}

ul.menu li {
  margin: 0;
  padding: 0;
  display: block;
}

ul.menu li a {
  color: var(--color-base-content);
  font-weight: 400;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.2s ease;
}

ul.menu li a:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

ul.menu li a::before {
  content: "";
  margin-right: 0;
}

/* Hamburger menu icon styling */
.menu-icon {
  color: var(--color-base-content);
}

.dropdown {
  position: relative;
  display: inline-block;
}

.nav-menu {
  position: absolute;
  right: 0;
  top: 100%;
  background-color: var(--color-base-200);
  min-width: 200px;
  z-index: 100;
}

/* Button styling for navbar toggle */
.navbar .btn-ghost {
  background: transparent;
  border: none;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.navbar .btn-ghost:hover {
  opacity: 0.8;
  background-color: transparent;
}

/*========================================
  3. TYPOGRAPHY & HEADINGS
========================================*/

/* Basic heading styles */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: 0.5rem;
  font-weight: 700;
  line-height: 1.1;
}

/* Main heading */
h1 {
  font-size: 3.75rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
}

/* Subheading style */
h2 {
  font-size: 1.25rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
  letter-spacing: -0.025em;
  font-weight: 600;
}

/*========================================
  11. UTILITY CLASSES
========================================*/

/* Gradient text - eye-catching pink to blue gradient for headings */
.gradient-text {
  background-image: linear-gradient(to right, oklch(71% 0.202 349.761), oklch(82% 0.111 230.318));
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  display: inline-block;
  font-weight: 800;
}

/* Section spacing - consistent spacing between main content blocks */
main > * {
  margin-bottom: 2rem;
  width: 100%;
}

/*========================================
  12. RESPONSIVE DESIGN
========================================*/

/* Tablet and desktop adjustments */
@media (min-width: 640px) {
  /* Larger headings on bigger screens */
  h1 {
    font-size: 4.5rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  /* Adjust spacing on larger screens */
  main {
    gap: 2rem;
    padding: 1.5rem 1.5rem 4rem;
  }
}

/* Icon styling for social links and tech stack */
.fill-white {
  fill: var(--color-base-content); /* Match text color */
  width: 22px;
  height: 22px;
}

.fill-white:hover {
  fill: var(--color-primary); /* Pink on hover */
  transition: fill 0.2s ease-in-out;
}

/* Flex layout utility classes - FIXED to actually use flex, not grid */
.flex {
  display: flex;
}

.flex-row {
  display: flex;
  flex-direction: row;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* Spacing utilities */
.gap-1 {
  gap: var(--spacing-xs);
}

.gap-2 {
  gap: var(--spacing-sm);
}

.gap-3 {
  gap: var(--spacing-md);
}

.gap-4 {
  gap: var(--spacing-lg);
}

.gap-6 {
  gap: var(--spacing-xl);
}

/* Padding utilities */
.p-4 {
  padding: var(--spacing-md);
}

/* Alignment utilities */
.justify-center {
  justify-content: center;
}

.items-center {
  align-items: center;
}

.text-center {
  text-align: center;
}

/* Specific styling for sections */
/* General section styling except for post content */
main:not(.container) > span,
main:not(.container) > section {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  width: 100%;
  max-width: 100%; /* Allow content to use full width */
  margin-left: auto;
  margin-right: auto;
}

/* Button size adjustments */
.btn-md {
  height: 2.25rem;
  min-height: 2.25rem;
  font-size: var(--font-size-sm);
  border: var(--border) solid var(--color-primary);
  transition: all var(--animation-fast) var(--easing-default);
}

.lg\:btn-lg {
  height: 2.25rem;
  min-height: 2.25rem;
  font-size: var(--font-size-sm);
  border: var(--border) solid var(--color-primary);
  transition: all var(--animation-fast) var(--easing-default);
}

@media (min-width: 1024px) {
  .lg\:btn-lg {
    height: 2.5rem;
    min-height: 2.5rem;
    font-size: var(--font-size-md);
  }
}

/*========================================
  10. CARD SYSTEM - Unified card grid and component styles
========================================*/

/* Card grid container and layout styles */
.card-grid-container {
  width: 100%;
  max-width: 80vw; /* Use 80% of viewport width */
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 var(--spacing-md);
  min-height: 70vh;
}

/* Override with !important for flex direction to ensure it takes precedence */
.card-grid {
  display: flex !important;
  flex-direction: row !important;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  width: 100%;
  max-width: 100%; /* Use full width of container */
  margin: 0 auto;
}

/* Project cards layout - proper flex row with wrapping */
section.flex.flex-row, 
section.card-grid {
  display: flex;
  flex-direction: row; /* Ensure horizontal layout */
  flex-wrap: wrap;
  gap: 1.5rem;
  width: 100%;
  max-width: 100%; /* Use full width of container */
  padding: 1.5rem;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

/* Unified card styling - used for projects, posts, papers, and talks */
.project-card {
  max-width: 100%;
  width: 340px; /* Wider cards by default */
  min-height: 240px;
  height: auto;
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--animation-fast) var(--easing-default), box-shadow var(--animation-fast) var(--easing-default);
  box-shadow: var(--shadow-md);
  margin: 0.75rem; /* Consistent margin all around */
  flex: 0 0 auto; /* Prevent flex items from growing or shrinking */
}

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

.project-card-content {
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  flex: 1;
  height: 100%;
  color: var(--color-primary-content);
  position: relative;
  padding-bottom: 3.5rem;
}

.project-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-base-100);
}

.project-card-description {
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
  flex-grow: 1;
  line-height: var(--line-height-normal);
}

.project-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.project-tag {
  font-size: var(--font-size-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-primary);
  color: var(--color-primary-content);
  transition: transform var(--animation-fast) var(--easing-default);
}

.project-tag:nth-child(2n) {
  background-color: var(--color-accent);
  color: var(--color-accent-content);
}

.project-tag:nth-child(3n) {
  background-color: var(--color-info);
  color: var(--color-info-content);
}

.project-tag:nth-child(4n) {
  background-color: var(--color-warning);
  color: var(--color-warning-content);
}

.project-card-link {
  display: flex;
  justify-content: flex-end;
  position: absolute;
  bottom: 1rem;
  right: 1.25rem;
}

.project-link-button {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--color-base-100);
  color: var(--color-base-content);
  border: 1px solid var(--color-base-content);
  transition: all 0.2s ease-in-out;
}

.project-link-button:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-content);
  border-color: var(--color-primary);
}

/*========================================
  7. PROJECTS PAGE
========================================*/

/* Project cards layout - proper flex row with wrapping */
section.flex.flex-row, 
section.card-grid {
  display: flex;
  flex-direction: row; /* Ensure horizontal layout */
  flex-wrap: wrap;
  gap: 1.5rem;
  width: 100%;
  max-width: 1200px;
  padding: 1.5rem;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

/* Remove the min-height from the section and put it on the container */
.card-grid-container {
  min-height: 70vh;
  display: flex;
  flex-direction: row; /* Ensure container is also row */
  align-items: center;
  justify-content: center;
}

/* Improved empty state */
.card-grid:empty, 
.card-grid:has(h2:only-child) {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

/* Responsive adjustments */
@media (max-width: 767px) {
  .project-card {
    width: 300px; /* Slightly smaller on mobile */
    margin: 0.5rem; /* Smaller margin on mobile */
  }
  
  /* Even on mobile, ensure cards are in a row */
  .card-grid, 
  section.card-grid, 
  section.flex.flex-row {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .project-card {
    width: 320px; /* Medium size on tablets */
  }
}

@media (min-width: 1024px) {
  .card-grid {
    gap: 2rem; /* More spacing on larger screens */
  }
}

/*========================================
  8. POST PAGE
========================================*/

/* Post page specific layout - matches screenshot 2 */
main.container {
  display: block;
  width: 100%;
  max-width: 90vw;
  padding-left: 1rem;
  padding-right: 1rem;
}

main.container article {
  display: block;
  width: 100%;
  line-height: 1.6;
  text-align: left;
}

main.container h1 {
  margin-bottom: 0.5rem;
}

/* Post metadata layout */
main.container article hr {
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
  opacity: 0.15;
  border-color: var(--color-base-content);
}

/* Post content layout */
main.container .markdown {
  max-width: 100%;
}

/* Icon buttons on post page */
.post-icon-button {
  background: transparent;
  border: none;
  color: var(--color-base-content);
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease-in-out, transform 0.2s ease-in-out;
  cursor: pointer;
  padding: 0;
}

.post-icon-button:hover {
  color: var(--color-primary); /* Pink on hover */
  transform: scale(1.1); /* Slight grow effect */
}

/* Back button for post navigation */
.post-back-button {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-field);
  padding: 0.375rem 0.75rem;
  font-size: 0.75rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  height: 28px;
  transition: all 0.2s ease-in-out;
}

.post-back-button:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-content);
}

/*========================================
  9. MARKDOWN CONTENT STYLING
========================================*/

/* Base markdown content */
.markdown {
  line-height: 1.7; /* Better readability */
  font-size: 1rem;
  margin-top: 1rem;
}

/* Paragraph spacing */
.markdown p {
  margin-bottom: 1.25rem;
}

/* Headings within markdown */
.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown h5,
.markdown h6 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

/* Post title */
main article h1 {
  font-size: 2.25rem;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  color: var(--color-secondary); /* Blue color */
}

/* Tailwind-style text utilities */
.text-md {
  font-size: var(--font-size-md);
}

.text-lg {
  font-size: var(--font-size-lg);
}

.text-xl {
  font-size: var(--font-size-xl);
}

.text-2xl {
  font-size: var(--font-size-2xl);
}

.text-4xl {
  font-size: var(--font-size-4xl);
}

.text-white {
  color: white;
}

/* Font weight utilities */
.font-extrabold {
  font-weight: 800;
}

/* Tracking/letter-spacing utilities */
.tracking-tight {
  letter-spacing: -0.025em;
}

/* Media query screen size utilities */
@media (min-width: 640px) {
  .sm\:text-8xl {
    font-size: 6rem; /* Approximate 8xl size */
  }
  
  .sm\:text-\[1\.5rem\] {
    font-size: 1.5rem;
  }
  
  .sm\:text-\[2rem\] {
    font-size: 2rem;
  }
  
  .sm\:gap-6 {
    gap: var(--spacing-xl);
  }
}

/* Additional margin utilities */
.mb-2 {
  margin-bottom: 0.5rem;
}

/*========================================
  13. TOOLS & UTILITY PAGES
========================================*/

/* General tool page styling */
.tool-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.tool-page h1 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-secondary);
}

.tool-page p {
  margin-bottom: 1.5rem;
  text-align: center;
  max-width: 700px;
  line-height: 1.6;
}

/* Form elements styling */
input[type="text"], 
input[type="number"], 
input[type="file"],
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  background-color: var(--color-base-300);
  border: 1px solid var(--color-secondary);
  border-radius: var(--border-radius-md);
  color: var(--color-base-content);
  font-size: 1rem;
  transition: all 0.2s ease;
}

input[type="text"]:focus, 
input[type="number"]:focus,
textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(var(--color-primary), 0.25);
}

button[type="submit"],
.tool-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-top: 1rem;
  width: 100%;
  max-width: 400px;
}

button[type="submit"]:hover,
.tool-button:hover {
  background-color: var(--color-primary);
  color: var(--color-primary-content);
}

/* File input customization */
input[type="file"] {
  padding: 0.5rem;
}

input[type="file"]::-webkit-file-upload-button {
  padding: 0.5rem 1rem;
  margin-right: 1rem;
  background-color: var(--color-secondary);
  color: var(--color-primary-content);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

input[type="file"]::-webkit-file-upload-button:hover {
  background-color: var(--color-primary);
}

/* Form group styling */
.form-group {
  width: 100%;
  max-width: 700px;
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 1rem;
  color: var(--color-base-content);
}

/* SSE specific styling */
.sse-message-container {
  width: 100%;
  max-width: 700px;
  min-height: 100px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  background-color: var(--color-base-300);
  border-radius: var(--border-radius-lg);
  border: 1px dashed var(--color-secondary);
}

.sse-message {
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-base-200);
}

/* Tool links styling */
.tool-link {
  color: var(--color-primary);
  text-decoration: underline;
  transition: all 0.2s ease;
}

.tool-link:hover {
  color: var(--color-secondary);
  text-decoration: none;
}

/* Standard container for tool pages */
main.container {
  max-width: 90vw;
  padding: 2rem 1rem;
}

/* Error message styling */
.error-message {
  color: var(--color-error);
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

/* Tool cards specific styling */
.tools-page .card-grid-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
}

.tools-page .project-card,
.tool-card {
  position: relative;
  max-width: 100%;
  width: 340px;
  min-height: 200px;
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  transition: transform var(--animation-fast) var(--easing-default), box-shadow var(--animation-fast) var(--easing-default);
  box-shadow: var(--shadow-md);
  margin: 0.75rem;
  overflow: hidden;
}

.tools-page .project-card-content {
  padding: var(--spacing-lg);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 180px;
}

/* Base elements for better mobile experience */
@media (max-width: 480px) {
  html, body {
    font-size: 15px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.25rem;
  }
  
  main {
    padding: 1rem 0.75rem 2rem;
  }
}

/* Card grid container and layout styles - mobile improvements */
.card-grid-container {
  width: 100%;
  max-width: 80vw; /* Use 80% of viewport width */
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  padding: 0 var(--spacing-md);
  min-height: 70vh;
}

@media (max-width: 480px) {
  .card-grid-container {
    max-width: 95vw; /* Use more screen width on mobile */
    padding: 0 0.5rem;
  }
  
  .card-grid {
    gap: 1rem; /* Tighter spacing on mobile */
  }
}

/* Mobile improvements for tool pages */
@media (max-width: 480px) {
  .tool-page {
    padding: 1.5rem 0.75rem;
  }
  
  .tool-page h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }
  
  .form-group {
    max-width: 100%;
  }
  
  input[type="text"], 
  input[type="number"], 
  input[type="file"],
  textarea {
    padding: 0.5rem 0.75rem;
  }
  
  .sse-message-container {
    padding: 1rem;
    margin: 1rem 0;
  }
}

/* Responsive adjustments for cards */
@media (max-width: 480px) {
  .project-card {
    width: 100%; /* Full width on very small screens */
    max-width: 300px;
    min-height: 220px;
    margin: 0.5rem 0;
  }
  
  .project-card-content {
    padding: var(--spacing-md);
    padding-bottom: 3rem;
  }
  
  .project-card-title {
    font-size: 1.15rem;
  }
  
  .project-card-description {
    font-size: 0.875rem;
  }
  
  .tools-page .project-card,
  .tool-card {
    width: 100%;
    max-width: 300px;
    min-height: 180px;
    margin: 0.5rem 0;
  }
  
  .tools-page .project-card-content {
    min-height: 150px;
    padding: var(--spacing-md);
  }
}

/* Improved mobile styles for home page */
@media (max-width: 480px) {
  .home-page {
    gap: 1.75rem;
  }
  
  .home-buttons-container {
    gap: 0.75rem;
  }
  
  .btn {
    padding: 0.325rem 1rem;
    min-width: 100px;
  }
}

/* Button size adjustments for mobile */
@media (max-width: 480px) {
  .btn-md {
    height: 2rem;
    min-height: 2rem;
    font-size: var(--font-size-xs);
    padding: 0.25rem 1rem;
  }
  
  .tool-button {
    padding: 0.5rem 1.25rem;
  }
}

/* Improve mobile menu usability */
@media (max-width: 480px) {
  ul.menu li a {
    padding: 0.875rem 1.25rem;
  }
  
  .dropdown .dropdown-content {
    min-width: 180px;
  }
}

/* Fix margin and width for post and markdown content on mobile */
@media (max-width: 480px) {
  main.container {
    padding: 1rem 0.75rem;
  }
  
  .markdown {
    font-size: 0.9375rem;
  }
  
  .markdown h1 {
    font-size: 1.75rem;
  }
  
  .markdown h2 {
    font-size: 1.5rem;
  }
}