/* นำเข้าฟอนต์ Sukhumvit Set จากไฟล์ที่มีในเครื่อง */
@font-face {
    font-family: 'Sukhumvit Set';
    src: url('../fonts/SukhumvitSet-Regular.woff2') format('woff2'), /* แก้ path ให้ตรงกับโฟลเดอร์ของคุณ */
         url('../fonts/SukhumvitSet-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Sukhumvit Set';
    src: url('../fonts/SukhumvitSet-Bold.woff2') format('woff2'),
         url('../fonts/SukhumvitSet-Bold.ttf') format('truetype');
    font-weight: bold;
    font-style: normal;
    font-display: swap;
}

/* Import Fonts (CHANGED to Kanit) */
@import url('https://fonts.googleapis.com/css2?family=Kanit:wght@300;400;500;700&display=swap');

/* --- Root & Light Theme (Apple-inspired) --- */
:root, [data-bs-theme="light"] {
--bs-body-font-family: 'Sukhumvit Set', Tahoma, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;  --bs-body-color: #1d1d1f;
  --bs-body-bg: #f5f5f7;
  --bs-tertiary-bg: #ffffff;
  --bs-primary: #0071e3;
  --bs-secondary: #6e6e73;
  --bs-link-color: #0066cc;
  --bs-link-hover-color: #0071e3;
  --bs-border-color: #d2d2d7;
  
  /* Increased border-radius for a softer, more modern look */
  --bs-border-radius: 0.75rem;
  --bs-border-radius-lg: 1rem;
  --bs-border-radius-sm: 0.5rem;

  --custom-card-bg: var(--bs-tertiary-bg);
  --custom-card-shadow: 0 4px 16px rgba(0, 0, 0, 0.07); /* Softer shadow */
  --custom-card-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.1); /* More pronounced hover */
  --custom-navbar-bg: rgba(255, 255, 255, 0.85);
}

/* --- Dark Theme (Apple-inspired) --- */
[data-bs-theme="dark"] {
  --bs-body-color: #f5f5f7;
  --bs-body-bg: #161617; /* Off-black background */
  --bs-tertiary-bg: #1d1d1f; /* Slightly lighter surface */
  --bs-primary: #0a84ff;
  --bs-secondary: #8e8e93;
  --bs-link-color: #0a84ff;
  --bs-link-hover-color: #40a0ff;
  --bs-border-color: #3a3a3c;

  --custom-card-bg: var(--bs-tertiary-bg);
  --custom-card-shadow: 0 4px 16px rgba(0, 0, 0, 0.12); /* Softer shadow */
  --custom-card-shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.2); /* More pronounced hover */
  --custom-navbar-bg: rgba(29, 29, 31, 0.85);
}

/* --- Base Body --- */
body {
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* --- Navbar --- */
.navbar {
  background-color: var(--custom-navbar-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bs-border-color);
}
.navbar .dropdown-menu {
  background-color: var(--custom-navbar-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--bs-border-color);
  box-shadow: var(--custom-card-shadow);
  border-radius: var(--bs-border-radius-lg);
}
.navbar .dropdown-item {
  border-radius: var(--bs-border-radius);
}

.navbar-toggler {
  border: none;
  font-size: 1.25rem;
  color: var(--bs-secondary);
}
.navbar-toggler:focus {
  box-shadow: none;
}

.btn-icon {
  color: var(--bs-secondary);
  background-color: transparent;
  border: none;
  font-size: 1.1rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--bs-border-radius);
}
.btn-icon:hover {
  color: var(--bs-primary);
  background-color: var(--bs-tertiary-bg);
}

/* --- Offcanvas --- */
.offcanvas {
  background-color: var(--bs-tertiary-bg);
}

/* --- Footer --- */
/* --- Footer (redesigned) --- */
.footer-custom {
  background-color: var(--bs-tertiary-bg);
  border-top: 1px solid var(--bs-border-color);
  color: var(--bs-secondary);
}

/* Brand */
.footer-brand {
  color: var(--bs-body-color);
  transition: opacity 0.2s ease;
}
.footer-brand:hover { opacity: 0.75; }
.footer-brand-icon {
  color: var(--bs-primary);
  font-size: 1.25rem;
}

/* Tagline */
.footer-tagline {
  font-size: 0.85rem;
  color: var(--bs-secondary);
  max-width: 280px;
  line-height: 1.55;
}

/* Social icons row */
.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--bs-border-color);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--bs-secondary);
  font-size: 0.95rem;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
  text-decoration: none;
}
.footer-socials a:hover {
  color: var(--bs-primary);
  border-color: var(--bs-primary);
  background-color: var(--bs-primary-bg-subtle);
  transform: translateY(-3px);
}

/* Section headings */
.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bs-body-color);
}

/* Nav link lists */
.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.footer-nav-list a {
  font-size: 0.875rem;
  color: var(--bs-secondary);
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}
.footer-nav-list a:hover {
  color: var(--bs-primary);
  padding-left: 4px;
}

/* Contact icon accent */
.footer-contact-icon {
  color: var(--bs-primary);
  opacity: 0.75;
  font-size: 0.8rem;
}

/* Divider + bottom bar */
.footer-bottom {
  border-top: 1px solid var(--bs-border-color);
  font-size: 0.8rem;
  color: var(--bs-secondary);
}
.footer-copyright { color: var(--bs-secondary); }
.footer-made-with { color: var(--bs-secondary); }
.footer-heart {
  color: #e53e3e;
  animation: heartbeat 1.6s ease infinite;
}
@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  14%       { transform: scale(1.25); }
  28%       { transform: scale(1); }
  42%       { transform: scale(1.15); }
  56%       { transform: scale(1); }
}

/* --- Card --- */
.card-custom {
  background-color: var(--custom-card-bg);
  border: 1px solid var(--bs-border-color);
  box-shadow: var(--custom-card-shadow);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
  height: 100%;
  border-radius: var(--bs-border-radius-lg); /* Softer corners */
  overflow: hidden; /* Ensure image corners are rounded */
}
.card-custom:hover {
  transform: translateY(-6px); /* Increased lift */
  box-shadow: var(--custom-card-shadow-hover);
}

.card-img-top-container {
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.card-img-top-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.card-custom:hover .card-img-top-container img {
  transform: scale(1.05);
}

/* --- Hero Section (for Home Page) --- */
.hero-section {
  padding: 6rem 1rem;
  background-color: var(--bs-tertiary-bg);
  text-align: center;
  border-bottom: 1px solid var(--bs-border-color);
}
.hero-section h1 {
  font-size: 3.5rem;
  font-weight: 700;
}
.hero-section .lead {
  font-size: 1.5rem;
  color: var(--bs-secondary);
}

/* --- Page Content --- */
.page-container {
  padding: 3rem 1rem; /* Increased padding */
}

/* --- Search Modal --- */
#searchModal .modal-content {
  background-color: var(--bs-tertiary-bg);
  border-radius: var(--bs-border-radius-lg);
}
#searchModal .form-control {
  font-size: 1.5rem;
}
#searchModal .form-control:focus {
  border-color: var(--bs-primary);
  box-shadow: 0 0 0 0.25rem rgba(var(--bs-primary-rgb), 0.25);
}
.search-result-item {
  display: block;
  padding: 1rem;
  border-radius: var(--bs-border-radius);
  text-decoration: none;
  color: var(--bs-body-color);
  background-color: transparent;
  transition: background-color 0.2s ease;
}
.search-result-item:hover {
  background-color: var(--bs-tertiary-bg);
  color: var(--bs-primary);
}
.search-result-type {
  font-size: 0.8rem;
  color: var(--bs-secondary);
  text-transform: uppercase;
}

/* --- Image Modal --- */
#imageModal .modal-content {
  box-shadow: none;
}
#imageModalContent {
  max-height: 90vh;
  width: auto;
  border-radius: var(--bs-border-radius-lg);
}

/* --- Article Detail --- */
.article-detail-header {
  height: 60vh;
  background-size: cover;
  background-position: center;
  position: relative;
  color: white;
  display: flex;
  align-items: flex-end;
  border-radius: var(--bs-border-radius-lg);
  overflow: hidden;
  margin-top: -1rem; /* Overlap slightly */
}
.article-detail-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.1));
}
.article-detail-header .container {
  position: relative;
  z-index: 2;
  padding-bottom: 2rem;
}
.article-detail-content {
  font-size: 1.1rem;
  line-height: 1.8;
}
.article-detail-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--bs-border-radius);
  margin-top: 1rem;
  margin-bottom: 1rem;
  cursor: pointer;
}

/* --- Skills Grid (About Page) --- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}
.skill-item {
  background-color: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: var(--bs-border-radius);
  padding: 1rem;
  text-align: center;
  transition: all 0.2s ease;
}
.skill-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--custom-card-shadow);
  color: var(--bs-primary);
}
.skill-item i {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  display: block;
}
.skill-item span {
  font-size: 0.9rem;
  font-weight: 500;
}

/* --- Other Web Page (NEW DESIGN V3) --- */
.other-web-card-v3 {
  text-decoration: none;
  color: var(--bs-body-color);
  background-color: var(--custom-card-bg);
  border: 0; /* Remove border */
  box-shadow: var(--custom-card-shadow);
  transition: all 0.25s ease-in-out;
  height: 100%;
  border-radius: var(--bs-border-radius-lg);
  display: flex;
  flex-direction: column;
}
.other-web-card-v3 .card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  position: relative;
  padding: 1.5rem;
}
.other-web-card-v3:hover {
  transform: translateY(-6px);
  box-shadow: var(--custom-card-shadow-hover);
  color: var(--bs-primary);
}
.other-web-card-v3 .card-icon-bg {
  font-size: 2.5rem;
  color: var(--bs-primary);
  margin-bottom: 1rem;
  width: 60px;
  height: 60px;
  background-color: var(--bs-primary-bg-subtle);
  border-radius: var(--bs-border-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}
.other-web-card-v3 .card-title {
  font-weight: 700;
  font-size: 1.25rem;
}
.other-web-card-v3 .card-text {
  font-size: 0.9rem;
}
.other-web-card-v3 .tags-container {
  margin-top: auto; /* Pushes tags to the bottom */
  padding-top: 1rem;
}
.other-web-card-v3::after {
  content: '\f061'; /* Font Awesome arrow-right */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1rem;
  color: var(--bs-secondary);
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.25s ease-out;
}

.otherweb-list-card .card-body {
  min-height: auto;
}

.otherweb-list-icon {
  width: 52px !important;
  height: 52px !important;
  margin-bottom: 0 !important;
}

.pagination .page-link {
  border-radius: var(--bs-border-radius-sm);
}
.other-web-card-v3:hover::after {
  opacity: 1;
  transform: translateX(0);
  color: var(--bs-primary);
}

/* --- Utility --- */
.tag-badge {
  font-size: 0.8rem;
  font-weight: 500;
  background-color: var(--bs-primary-bg-subtle) !important;
  color: var(--bs-primary) !important;
  border: 1px solid var(--bs-primary-bg-subtle) !important;
  border-radius: var(--bs-border-radius-sm);
  padding: 0.3em 0.6em;
}

/* Apply border-radius to components */
.modal-content, .accordion-item, .accordion-button, .form-control, .form-select, .btn {
  border-radius: var(--bs-border-radius);
}
.btn-lg, .form-control-lg, .form-select-lg {
  border-radius: var(--bs-border-radius-lg);
}
.modal-content {
  border-radius: var(--bs-border-radius-lg);
}
.accordion-item:first-of-type, .accordion-item:first-of-type .accordion-button {
  border-top-left-radius: var(--bs-border-radius-lg);
  border-top-right-radius: var(--bs-border-radius-lg);
}
.accordion-item:last-of-type, .accordion-item:last-of-type .accordion-button.collapsed {
  border-bottom-left-radius: var(--bs-border-radius-lg);
  border-bottom-right-radius: var(--bs-border-radius-lg);
}



/* --- Cheat Sheets Page --- */

/* Page enter animation */
@keyframes csPageEnter {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cs-page-enter {
  animation: csPageEnter 0.35s ease both;
}

/* Card stagger fade-in */
@keyframes csCardIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}
.cs-card-animate {
  animation: csCardIn 0.3s ease both;
}

/* Square icon button for grid/list toggle */
.btn-icon-square {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--bs-border-radius);
}

/* Shared list-card layouts for blog/portfolio/certificates */
.blog-list-image-wrap,
.portfolio-list-image-wrap {
  width: 100%;
}

.blog-list-content,
.portfolio-list-content {
  min-width: 0;
}

.certificate-list-image-wrap {
  width: 100%;
  max-width: 260px;
  flex-shrink: 0;
}

.certificate-list-image-wrap img {
  width: 100%;
  object-fit: cover;
  cursor: pointer;
}

@media (min-width: 768px) {
  .blog-list-image-wrap,
  .portfolio-list-image-wrap {
    max-width: 300px;
    flex-shrink: 0;
  }
}

/* Filter card */
.cs-filter-card {
  border: 1px solid var(--bs-border-color);
}
.cs-filter-chip {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background-color: var(--bs-body-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: var(--bs-border-radius-lg);
  padding: 0.3rem 0.75rem;
}
.cs-filter-chip .form-select {
  border: none;
  background: transparent;
  padding: 0;
  font-size: 0.875rem;
  box-shadow: none;
  min-width: 110px;
}
.cs-filter-chip .form-select:focus {
  box-shadow: none;
}
.cs-filter-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--bs-secondary);
  white-space: nowrap;
  margin-bottom: 0;
}

/* Copyright callout */
.cs-callout {
  border-radius: var(--bs-border-radius-lg);
  overflow: hidden;
  border: 1px solid;
}
.cs-callout-warning {
  border-color: #ffc10780;
  background-color: #fff8e7;
}
[data-bs-theme="dark"] .cs-callout-warning {
  background-color: rgba(255, 193, 7, 0.08);
  border-color: rgba(255, 193, 7, 0.3);
}
.cs-callout-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  color: var(--bs-body-color);
  cursor: pointer;
  text-align: left;
}
.cs-callout-toggle:hover {
  opacity: 0.8;
}
.cs-callout-chevron {
  transition: transform 0.28s ease;
  color: var(--bs-secondary);
}
.cs-callout-body {
  padding: 0 1rem 0.75rem;
  font-size: 0.875rem;
  overflow: hidden;
  max-height: 200px;
  transition: max-height 0.35s ease, padding 0.3s ease, opacity 0.3s ease;
  opacity: 1;
}
.cs-callout-body--collapsed {
  max-height: 0;
  padding-top: 0;
  padding-bottom: 0;
  opacity: 0;
}

/* Grid card */
.cs-grid-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.cs-grid-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--custom-card-shadow-hover);
}
.cs-grid-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--bs-border-radius);
  background-color: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

/* List-view card */
.cs-list-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  border-left: 3px solid transparent;
}
.cs-list-card:hover {
  transform: translateX(5px);
  box-shadow: var(--custom-card-shadow-hover);
  border-left-color: var(--bs-primary);
}

/* Icon accent for list-view cards */
.cs-list-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--bs-border-radius);
  background-color: var(--bs-primary-bg-subtle);
  color: var(--bs-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

/* Clamp description text to 2 lines */
.cs-desc-clamp {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Detail page content area */
.cheatsheet-detail-content h4 {
  font-weight: 700;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
}
.cheatsheet-detail-content code {
  background-color: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: var(--bs-border-radius-sm);
  padding: 0.1em 0.4em;
  font-size: 0.9em;
}

/* --- Scroll-to-top FAB --- */
#scroll-to-top-btn {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background-color: var(--bs-primary);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 113, 227, 0.35);
  cursor: pointer;
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 1050;
}
#scroll-to-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#scroll-to-top-btn:hover {
  background-color: var(--bs-link-hover-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 113, 227, 0.45);
}

.badge-disabled {
  position: absolute;
  right: 15px;
  background: rgba(0, 0, 0, 0.1);
  color: rgba(255, 255, 255, 0.7);
  padding: 3px 8px;
  border-radius: 10px;
  font-size: 0.7rem;
}

/* --- Hero Social Icons --- */
.hero-social-icons a {
  font-size: 1.5rem; /* ขนาดไอคอน */
  transition: transform 0.2s ease, color 0.2s ease;
  text-decoration: none;
}

.hero-social-icons a:hover {
  transform: translateY(-3px); /* ขยับขึ้นเล็กน้อยเมื่อ Hover */
  color: var(--bs-primary) !important; /* เปลี่ยนเป็นสีธีมหลัก */
}

/* Helper Class for Hover Primary Color */
.hover-primary:hover {
    color: var(--bs-primary) !important;
}

/* --- About Page Mini Icons --- */
.about-social-mini-icons a {
  font-size: 1.25rem; /* ขนาดไอคอน */
  color: var(--bs-secondary); /* สีเทา (ตาม Theme) */
  transition: all 0.2s ease;
  text-decoration: none;
}

.about-social-mini-icons a:hover {
  color: var(--bs-primary); /* สีน้ำเงินเมื่อเอาเมาส์วาง */
  transform: translateY(-3px); /* ขยับขึ้นเล็กน้อย */
}

/* --- Smart Motion System --- */
@keyframes pageMotionIn {
  from {
    opacity: 0;
    transform: translateY(10px);
    filter: blur(2px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.page-motion-enter {
  animation: pageMotionIn 420ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.sa-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 480ms ease, transform 480ms ease;
  transition-delay: var(--sa-delay, 0ms);
  will-change: opacity, transform;
}

.sa-reveal.sa-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .page-motion-enter {
    animation: none;
  }

  .sa-reveal,
  .sa-reveal.sa-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* =============================================
   Share Button & Modal
   ============================================= */

/* Floating pill share button */
.btn-share {
  display: inline-flex;
  align-items: center;
  gap: 0.38rem;
  padding: 0.32rem 0.9rem;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 500;
  border: 1.5px solid var(--bs-border-color);
  color: var(--bs-secondary-color);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn-share i {
  font-size: 0.72rem;
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.btn-share:hover {
  background: var(--bs-primary-bg-subtle);
  border-color: var(--bs-primary);
  color: var(--bs-primary);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(var(--bs-primary-rgb), 0.18);
}
.btn-share:hover i {
  transform: translateY(-2px);
}
.btn-share:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Modal shell */
.share-modal-dialog { max-width: 360px; }
.share-modal-content {
  border-radius: 20px;
  border: 1px solid var(--bs-border-color);
  overflow: hidden;
  position: relative;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
}
.share-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1;
  opacity: 0.4;
  transition: opacity 0.2s;
}
.share-modal-close:hover { opacity: 1; }
.share-modal-body { padding: 2rem 1.5rem 1.75rem; }

/* Icon ring in header */
.share-icon-ring {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bs-primary), #6610f2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 6px 20px rgba(var(--bs-primary-rgb), 0.35);
}

/* URL pill */
.share-url-pill {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bs-tertiary-bg);
  border-radius: 50px;
  padding: 0.5rem 1.1rem;
  overflow: hidden;
}
.share-url-icon { color: var(--bs-secondary-color); font-size: 0.75rem; flex-shrink: 0; }
.share-url-text {
  font-size: 0.76rem;
  color: var(--bs-secondary-color);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 2-column action grid */
.share-actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-bottom: 0.5rem;
}
.share-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  padding: 1rem 0.5rem;
  border-radius: 14px;
  border: 1.5px solid var(--bs-border-color);
  background: var(--bs-body-bg);
  color: var(--bs-body-color);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.18s ease;
}
.share-action-btn:hover {
  background: var(--bs-tertiary-bg);
  border-color: var(--bs-primary);
  color: var(--bs-primary);
  transform: translateY(-2px);
}
.share-action-btn.active {
  background: var(--bs-primary-bg-subtle);
  border-color: var(--bs-primary);
  color: var(--bs-primary);
}
.share-action-btn.copied {
  background: var(--bs-success-bg-subtle);
  border-color: var(--bs-success);
  color: var(--bs-success);
}
.share-action-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bs-tertiary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: background 0.2s ease;
}
.share-action-btn:hover .share-action-icon-wrap,
.share-action-btn.active .share-action-icon-wrap { background: rgba(var(--bs-primary-rgb), 0.12); }
.share-action-btn.copied .share-action-icon-wrap { background: rgba(var(--bs-success-rgb), 0.12); }

/* QR slide-down section */
.share-qr-section {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.42s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.32s ease;
}
.share-qr-section.open {
  max-height: 280px;
  opacity: 1;
}
.share-qr-wrapper { padding-top: 1.1rem; text-align: center; }
.share-qr-img {
  width: 160px;
  height: 160px;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

@media (prefers-reduced-motion: reduce) {
  .btn-share, .btn-share i, .btn-share:hover,
  .share-action-btn, .share-qr-section {
    transition: none;
    transform: none;
  }
}
}

/* =============================================
   Linktree Page — v3 (Mobile-First · Glass · Apple HIG)
   ============================================= */

/* ── Page canvas: block flow, vivid ambient mesh ── */
.lt-page {
  min-height: 100vh;
  padding: 2rem 1.25rem 6rem;
  /* Block layout — centering is done by margin: auto on the container.
     Avoid display:flex here; it fights children that have width:100%. */
  background:
    radial-gradient(ellipse 70% 55% at 18% 22%, rgba(var(--bs-primary-rgb), 0.22) 0%, transparent 100%),
    radial-gradient(ellipse 60% 45% at 84% 10%, rgba(102, 16, 242, 0.17)           0%, transparent 100%),
    radial-gradient(ellipse 55% 50% at 55% 95%, rgba(225, 48, 108, 0.12)           0%, transparent 100%),
    var(--bs-body-bg);
}

/* ── Centered mobile-width column ── */
.lt-container {
  width: 100%;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* ── Back button row ── */
.lt-back-row {
  width: 100%;
  margin-bottom: 2rem;
}
.lt-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--bs-secondary);
  text-decoration: none;
  padding: 0.4rem 0.95rem;
  border-radius: 50px;
  border: 1px solid var(--bs-border-color);
  background: rgba(255, 255, 255, 0.50);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
[data-bs-theme="dark"] .lt-back-btn {
  background: rgba(255, 255, 255, 0.07);
}
.lt-back-btn:hover {
  color: var(--bs-primary);
  border-color: var(--bs-primary);
  background: var(--bs-primary-bg-subtle);
}

/* ── Profile block ── */
.lt-profile {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: 2.25rem;
}

/* Avatar: spinning conic-gradient border via pseudo-elements */
.lt-avatar-ring {
  position: relative;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.35rem;
  /* Outer glow */
  filter: drop-shadow(0 0 20px rgba(var(--bs-primary-rgb), 0.40));
}
/* The rotating gradient ring */
.lt-avatar-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(
    from 0deg,
    var(--bs-primary),
    #6610f2,
    #e1306c,
    #f5a623,
    var(--bs-primary)
  );
  animation: ltRingRotate 4s linear infinite;
}
/* Gap ring (body-bg colour) between gradient and photo */
.lt-avatar-ring::after {
  content: '';
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--bs-body-bg);
}
/* Photo sits above both pseudo-elements */
.lt-avatar {
  position: relative;
  z-index: 1;
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

@keyframes ltRingRotate { to { transform: rotate(360deg); } }

.lt-name {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 0.2rem;
  color: var(--bs-body-color);
}
.lt-username {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bs-primary);
  margin-bottom: 0.6rem;
}
.lt-bio {
  font-size: 0.875rem;
  color: var(--bs-secondary);
  line-height: 1.6;
  max-width: 300px;
}

/* ── Frosted card behind the link stack ──
   Gives backdrop-filter on buttons something vivid to blur. */
.lt-links-card {
  width: 100%;
  padding: 1rem;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.40);
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.70);
}
[data-bs-theme="dark"] .lt-links-card {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.09);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.30);
}

/* ── Links stack ── */
.lt-links {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* ── Pill link button — Glassmorphism ── */
.lt-link-btn {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  width: 100%;
  min-height: 58px;
  padding: 0.625rem 1rem 0.625rem 0.625rem;
  border-radius: 100px;
  text-decoration: none;
  color: var(--bs-body-color);
  /* Glass surface */
  background: rgba(255, 255, 255, 0.68);
  backdrop-filter: blur(16px) saturate(200%);
  -webkit-backdrop-filter: blur(16px) saturate(200%);
  border: 1px solid rgba(255, 255, 255, 0.80);
  box-shadow:
    0 2px 16px rgba(0, 0, 0, 0.06),
    0 1px 3px  rgba(0, 0, 0, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  /* Spring interaction */
  transition:
    transform    0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow   0.22s ease,
    background   0.18s ease,
    border-color 0.18s ease,
    color        0.18s ease;
}
[data-bs-theme="dark"] .lt-link-btn {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow:
    0 2px 16px rgba(0, 0, 0, 0.30),
    0 1px 3px  rgba(0, 0, 0, 0.20),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.lt-link-btn:hover {
  transform: translateY(-2px) scale(1.015);
  color: var(--lt-accent, var(--bs-primary));
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(255, 255, 255, 1);
  box-shadow:
    0 6px 28px rgba(0, 0, 0, 0.10),
    0 2px 6px  rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 1);
}
[data-bs-theme="dark"] .lt-link-btn:hover {
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.22);
  box-shadow:
    0 6px 28px rgba(0, 0, 0, 0.40),
    0 2px 6px  rgba(0, 0, 0, 0.24),
    inset 0 1px 0 rgba(255, 255, 255, 0.11);
}
/* Tactile scale-down on tap */
.lt-link-btn:active {
  transform: scale(0.96);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.07);
}

/* iOS-style solid accent icon */
.lt-link-icon-wrap {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lt-accent, var(--bs-primary));
  color: #fff;
  font-size: 0.95rem;
  flex-shrink: 0;
  box-shadow:
    0 2px 8px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.20);
}

/* Two-line text wrapper */
.lt-link-text {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  text-align: left;
}
.lt-link-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: inherit;
  line-height: 1.25;
}
.lt-link-desc {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--bs-secondary);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  opacity: 0.80;
}

/* Chevron — slides in on hover */
.lt-link-arrow {
  font-size: 0.68rem;
  color: var(--bs-secondary);
  opacity: 0;
  transform: translateX(-5px);
  flex-shrink: 0;
  transition: opacity 0.18s ease, transform 0.18s ease, color 0.18s ease;
}
.lt-link-btn:hover .lt-link-arrow {
  opacity: 0.70;
  transform: translateX(0);
  color: var(--lt-accent, var(--bs-primary));
}

/* Footer credit */
.lt-footer-credit {
  margin-top: 2rem;
  font-size: 0.78rem;
  color: var(--bs-secondary);
  opacity: 0.50;
}

/* ── Portal button on About page ── */
.lt-portal-entry { padding-bottom: 1rem; }
.lt-portal-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2.5rem;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--bs-primary), #6610f2);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(var(--bs-primary-rgb), 0.35);
  transition:
    transform  0.22s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.2s ease,
    opacity    0.2s ease;
  letter-spacing: 0.02em;
}
.lt-portal-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(var(--bs-primary-rgb), 0.45);
  color: #fff;
  opacity: 0.92;
}
.lt-portal-btn:active {
  transform: scale(0.97);
  transition: transform 0.08s ease;
  box-shadow: 0 4px 12px rgba(var(--bs-primary-rgb), 0.3);
}

@media (prefers-reduced-motion: reduce) {
  .lt-avatar-ring::before {
    animation: none !important;
  }
  .lt-link-btn,
  .lt-link-btn:hover,
  .lt-link-btn:active,
  .lt-link-arrow,
  .lt-back-btn,
  .lt-portal-btn {
    transition: none !important;
    transform: none !important;
  }
}