/**
 * Sub-page Shared Styles
 * Ensures consistent design between main page and all sub-pages
 */

/* ====================================
   Root Variables (inherit from main)
   ==================================== */
:root {
  --primary-color: #149ddd;
  --primary-hover: #117daa;
  --secondary-color: #173b6c;
  --accent-color: #149ddd;
  
  --bg-primary: #040b14;
  --bg-secondary: #1a1f25;
  --bg-card: #ffffff;
  
  --text-primary: #272829;
  --text-secondary: #6c757d;
  --text-light: #ffffff;
  --text-muted: #a4b1c3;
  
  --border-color: #e9ecef;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.2);
  
  --font-main: 'Open Sans', sans-serif;
  --font-headings: 'Raleway', sans-serif;
  
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  --border-radius: 8px;
  --border-radius-lg: 12px;
}

/* ====================================
   Modern Sidebar Styling (Match index.html)
   ==================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 300px;
  z-index: 9997;
  padding: 0;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  background: linear-gradient(180deg, 
    #040b14 0%, 
    #0a1628 50%, 
    #040b14 100%);
}

#header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 20%, rgba(20, 157, 221, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(23, 59, 108, 0.1) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Scrollbar styling for webkit browsers */
#header::-webkit-scrollbar {
  width: 6px;
}

#header::-webkit-scrollbar-track {
  background: transparent;
}

#header::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

#header::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Inner container */
#header > .d-flex {
  padding: 30px 20px;
}

/* ====================================
   Profile Section
   ==================================== */
.profile {
  text-align: center;
  padding: 20px 0 30px;
  position: relative;
}

.profile::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 20%;
  right: 20%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(20, 157, 221, 0.5), transparent);
}

.profile img {
  width: 120px;
  height: 120px;
  margin: 0 auto 15px;
  display: block;
  border-radius: 50%;
  border: 4px solid rgba(20, 157, 221, 0.3);
  box-shadow: 
    0 0 20px rgba(20, 157, 221, 0.2),
    0 0 40px rgba(20, 157, 221, 0.1);
  transition: var(--transition-normal);
  object-fit: cover;
}

.profile img:hover {
  border-color: rgba(20, 157, 221, 0.6);
  box-shadow: 
    0 0 30px rgba(20, 157, 221, 0.3),
    0 0 60px rgba(20, 157, 221, 0.15);
  transform: scale(1.02);
}

.profile h1 {
  font-size: 20px;
  margin: 0;
  padding: 0;
  font-weight: 700;
  font-family: var(--font-headings);
  letter-spacing: 1px;
}

.profile h1 a {
  color: #fff;
  text-decoration: none;
  transition: var(--transition-fast);
  background: linear-gradient(135deg, #fff, #a4b1c3);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.profile h1 a:hover {
  background: linear-gradient(135deg, #149ddd, #17a2b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ====================================
   Social Links
   ==================================== */
.social-links {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 12px;
}

.social-links a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #a4b1c3;
  font-size: 18px;
  transition: var(--transition-normal);
}

.social-links a:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(20, 157, 221, 0.4);
}

.social-links a i {
  line-height: 1;
}

.social-links a object {
  pointer-events: none;
  filter: brightness(0.7);
  transition: var(--transition-normal);
}

.social-links a:hover object {
  filter: brightness(1.2);
}

/* ====================================
   Navigation Menu
   ==================================== */
.nav-menu {
  padding: 30px 0 0;
}

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

.nav-menu > ul > li {
  position: relative;
  margin: 4px 0;
}

.nav-menu a,
.nav-menu a:focus {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #a4b1c3;
  padding: 12px 20px;
  font-family: var(--font-headings);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  border-radius: 8px;
  margin: 0 10px;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: linear-gradient(90deg, rgba(20, 157, 221, 0.2), transparent);
  transition: var(--transition-normal);
  border-radius: 8px;
}

.nav-menu a i {
  font-size: 20px;
  width: 24px;
  text-align: center;
  transition: var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu .active,
.nav-menu .active:focus,
.nav-menu li:hover > a {
  color: #fff;
  background: rgba(20, 157, 221, 0.1);
}

.nav-menu a:hover::before,
.nav-menu .active::before {
  width: 100%;
}

.nav-menu a:hover i,
.nav-menu .active i {
  color: var(--primary-color);
}

.nav-menu .active {
  color: #fff;
  background: rgba(20, 157, 221, 0.15);
  border-left: 3px solid var(--primary-color);
  margin-left: 7px;
}

/* ====================================
   Main Content Area
   ==================================== */
#main {
  margin-left: 300px;
  min-height: 100vh;
}

/* ====================================
   Breadcrumbs
   ==================================== */
.breadcrumbs {
  padding: 20px 0;
  background: linear-gradient(135deg, #f5f8fb 0%, #e9ecef 100%);
  border-bottom: 1px solid #e9ecef;
}

.breadcrumbs h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin: 0;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 0.9rem;
}

.breadcrumbs ol li + li {
  padding-left: 10px;
}

.breadcrumbs ol li + li::before {
  display: inline-block;
  padding-right: 10px;
  color: #6c757d;
  content: "/";
}

.breadcrumbs ol li a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

.breadcrumbs ol li a:hover {
  color: var(--primary-hover);
}

/* ====================================
   Portfolio/Project Details
   ==================================== */
.portfolio-details {
  padding: 40px 0;
}

.portfolio-info {
  background: #fff;
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 30px;
}

.portfolio-info h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 20px;
  padding-bottom: 15px;
  border-bottom: 2px solid var(--primary-color);
}

.portfolio-info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.portfolio-info ul li {
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.portfolio-info ul li:last-child {
  border-bottom: none;
}

.portfolio-info ul li strong {
  color: var(--secondary-color);
  min-width: 140px;
}

.portfolio-info ul li a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition-fast);
}

.portfolio-info ul li a:hover {
  color: var(--primary-hover);
}

.portfolio-description {
  background: #fff;
  padding: 30px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.portfolio-description h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: 20px;
}

.portfolio-description p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.portfolio-description img {
  width: 100%;
  border-radius: var(--border-radius);
  margin-top: 20px;
  box-shadow: var(--shadow-sm);
}

/* Portfolio Details Slider */
.portfolio-details-slider {
  overflow: hidden;
}

.portfolio-details-slider img {
  width: 100%;
  max-height: 500px;
  object-fit: contain;
  background: #f5f8fb;
  border-radius: var(--border-radius);
}

/* ====================================
   Footer
   ==================================== */
#footer {
  padding: 30px 0;
  background: #040b14;
  color: #a4b1c3;
  font-size: 14px;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

#footer .copyright {
  margin-bottom: 10px;
}

#footer .credits {
  font-size: 13px;
  color: #6c757d;
}

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

#footer a:hover {
  color: #fff;
}

/* ====================================
   Back to Top Button
   ==================================== */
.back-to-top {
  position: fixed;
  right: 15px;
  bottom: 15px;
  z-index: 996;
  background: var(--primary-color);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  transition: var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  text-decoration: none;
}

.back-to-top.active {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 5px 20px rgba(20, 157, 221, 0.4);
  color: #fff;
}

/* ====================================
   Mobile Navigation
   ==================================== */
.mobile-nav-toggle {
  position: fixed;
  right: 15px;
  top: 15px;
  z-index: 9998;
  border: 0;
  background: var(--primary-color);
  font-size: 24px;
  color: #fff;
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition-normal);
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(20, 157, 221, 0.4);
}

.mobile-nav-toggle:hover {
  background: var(--primary-hover);
}

/* Mobile active state */
.mobile-nav-active {
  overflow: hidden;
}

.mobile-nav-active #header {
  left: 0;
}

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

/* ====================================
   Responsive Design
   ==================================== */
@media (max-width: 1199px) {
  #header {
    left: -300px;
  }
  
  #main {
    margin-left: 0;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .breadcrumbs {
    padding: 15px 0;
  }
  
  .breadcrumbs h2 {
    font-size: 1.4rem;
  }
  
  .breadcrumbs .d-flex {
    flex-direction: column;
    gap: 10px;
    align-items: flex-start !important;
  }
  
  .portfolio-info,
  .portfolio-description {
    padding: 20px;
  }
  
  .portfolio-info h3 {
    font-size: 1.2rem;
  }
  
  .portfolio-description h2 {
    font-size: 1.4rem;
  }
}

@media (max-width: 576px) {
  .profile img {
    width: 100px;
    height: 100px;
  }
  
  .profile h1 {
    font-size: 18px;
  }
  
  .nav-menu a {
    font-size: 14px;
    padding: 10px 15px;
  }
}

/* ====================================
   Dark Mode Support
   ==================================== */
[data-theme="dark"] .breadcrumbs {
  background: linear-gradient(135deg, #1a1f25 0%, #0a1628 100%);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .breadcrumbs h2 {
  color: #fff;
}

[data-theme="dark"] .portfolio-info,
[data-theme="dark"] .portfolio-description {
  background: #1a1f25;
}

[data-theme="dark"] .portfolio-info h3,
[data-theme="dark"] .portfolio-description h2 {
  color: #fff;
}

[data-theme="dark"] .portfolio-info ul li {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .portfolio-info ul li strong {
  color: #a4b1c3;
}

[data-theme="dark"] .portfolio-description p {
  color: #a4b1c3;
}

[data-theme="dark"] .portfolio-details-slider img {
  background: #0a1628;
}