/* ==========================================================================
   HOLISTIC MAN HEALTH - DESIGN SYSTEM & STYLESHEET
   Domain: holisticmanhealth.com
   Language: EN-US
   Fully Responsive & Mobile-Optimized Architecture (Zero Overflow)
   ========================================================================== */

:root {
  /* Brand Typography */
  --font-editorial: 'Newsreader', Georgia, Cambria, 'Times New Roman', serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Color Palette - Forest & Emerald Authority */
  --c-forest-950: #051410;
  --c-forest-900: #0a251e;
  --c-forest-800: #103b30;
  --c-forest-700: #185244;
  --c-forest-600: #216d5b;
  --c-forest-500: #2d8973;
  --c-forest-100: #e5f2ee;
  --c-forest-50:  #f0f7f5;

  /* Accents */
  --c-amber-600:  #d97706;
  --c-amber-500:  #f59e0b;
  --c-amber-100:  #fef3c7;
  --c-emerald-600:#059669;
  --c-emerald-500:#10b981;
  --c-emerald-100:#d1fae5;

  /* Theme Tokens - Light Mode (Default) */
  --bg-page:        #fbfcfb;
  --bg-subtle:      #f3f6f4;
  --bg-surface:     #ffffff;
  --bg-surface-elevated: #ffffff;
  --border-subtle:  #e4eae6;
  --border-strong:  #cbd6d0;
  --text-main:      #12201b;
  --text-muted:     #4d6058;
  --text-light:     #788c83;
  --primary:        var(--c-forest-900);
  --primary-hover:  var(--c-forest-800);
  --primary-tint:   var(--c-forest-50);
  --accent:         var(--c-amber-600);
  --accent-tint:    var(--c-amber-100);
  --shadow-sm:      0 1px 3px rgba(10, 37, 30, 0.05);
  --shadow-md:      0 4px 16px -2px rgba(10, 37, 30, 0.08);
  --shadow-lg:      0 14px 34px -4px rgba(10, 37, 30, 0.12);

  /* Layout Constants */
  --container-max:  1240px;
  --radius-sm:      6px;
  --radius-md:      12px;
  --radius-lg:      16px;
  --radius-full:    9999px;
  --transition:     all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode Tokens */
[data-theme="dark"] {
  --bg-page:        #080f0d;
  --bg-subtle:      #0e1815;
  --bg-surface:     #13221e;
  --bg-surface-elevated: #182a25;
  --border-subtle:  #203831;
  --border-strong:  #2f5046;
  --text-main:      #ecf4f1;
  --text-muted:     #a4b9b0;
  --text-light:     #71887e;
  --primary:        #2d8973;
  --primary-hover:  #3bb095;
  --primary-tint:   #122721;
  --accent:         #fbbf24;
  --accent-tint:    #36270a;
  --shadow-sm:      0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md:      0 4px 20px -2px rgba(0, 0, 0, 0.45);
  --shadow-lg:      0 16px 40px -4px rgba(0, 0, 0, 0.6);
}

/* Base Reset & Core Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  color-scheme: light dark;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.6;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color 0.3s ease, color 0.3s ease;
  word-break: break-word;
  overflow-wrap: break-word;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
  box-sizing: border-box;
}

input, select, textarea {
  font-size: 16px; /* Prevents auto-zoom in iOS Safari */
}

button {
  cursor: pointer;
  border: none;
  background: none;
  touch-action: manipulation;
}

/* Accessibility Skip Link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--primary);
  color: #fff;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  z-index: 9999;
  font-weight: 600;
  transition: top 0.2s ease;
}
.skip-to-content:focus {
  top: 12px;
}

/* Global Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

/* Scroll Reading Progress Bar */
#reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-emerald-500), var(--c-amber-500));
  width: 0%;
  z-index: 1000;
  transition: width 0.1s ease-out;
}

/* ==========================================================================
   TOP AUTHORITY BANNER
   ========================================================================== */
.top-authority-bar {
  background: var(--c-forest-950);
  color: #c9ded6;
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  padding: 6px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-authority-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.top-authority-bar .badge-issn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #9dbbb0;
  font-size: 0.72rem;
  flex-wrap: wrap;
}
.top-authority-bar .badge-issn span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-emerald-500);
  flex-shrink: 0;
}
.top-authority-bar .quick-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.72rem;
  flex-wrap: wrap;
}
.top-authority-bar a:hover {
  color: #fff;
  text-decoration: underline;
}

/* ==========================================================================
   SITE HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 900;
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  gap: 12px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 1;
  min-width: 0;
}
.logo-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--c-forest-900), var(--c-forest-600));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 10px rgba(16, 59, 48, 0.2);
  flex-shrink: 0;
}
[data-theme="dark"] .logo-icon {
  background: linear-gradient(135deg, var(--c-forest-700), var(--c-forest-500));
}
.logo-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.logo-name {
  font-family: var(--font-editorial);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-main);
  line-height: 1.1;
  white-space: nowrap;
}
.logo-tagline {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

/* Desktop Primary Nav */
.primary-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 4px 2px;
  position: relative;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  transition: width 0.2s ease;
}
.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

/* Header Action Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
  position: relative;
  flex-shrink: 0;
}
.btn-icon:hover {
  background: var(--primary-tint);
  color: var(--text-main);
  border-color: var(--border-strong);
}

.badge-count {
  position: absolute;
  top: -3px;
  right: -3px;
  background: var(--accent);
  color: #fff;
  font-size: 0.62rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--bg-surface);
}

.btn-subscribe {
  padding: 7px 14px;
  border-radius: var(--radius-full);
  background: var(--c-forest-900);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: var(--transition);
  white-space: nowrap;
}
[data-theme="dark"] .btn-subscribe {
  background: var(--c-forest-600);
}
.btn-subscribe:hover {
  background: var(--c-forest-700);
}

.mobile-menu-btn {
  display: none;
}

/* ==========================================================================
   MOBILE NAVIGATION DRAWER
   ========================================================================== */
.mobile-drawer {
  display: none;
  background: var(--bg-surface);
  border-bottom: 2px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  padding: 14px 16px 18px;
  animation: drawerSlideDown 0.2s ease-out;
}
.mobile-drawer.open {
  display: block;
}

@keyframes drawerSlideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 10px;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.mobile-nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
}
.mobile-nav-link:hover, .mobile-nav-link:active {
  background: var(--primary-tint);
  color: var(--c-forest-600);
}

/* ==========================================================================
   EDITORIAL HERO FEATURE ARTICLE
   ========================================================================== */
.hero-spotlight {
  padding: 20px 0 32px;
}

.hero-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  transition: var(--transition);
  width: 100%;
}
.hero-card:hover {
  box-shadow: var(--shadow-lg);
  border-color: var(--border-strong);
}

.hero-media {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background: #081a14;
  width: 100%;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hero-card:hover .hero-media img {
  transform: scale(1.02);
}

.hero-media-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(10, 37, 30, 0.9);
  backdrop-filter: blur(8px);
  color: #fff;
  padding: 5px 11px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  max-width: calc(100% - 28px);
}
.hero-media-badge .pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-emerald-500);
  box-shadow: 0 0 6px var(--c-emerald-500);
  flex-shrink: 0;
}

.hero-content {
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.topic-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 10px;
}

.hero-title {
  font-family: var(--font-editorial);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.24;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.015em;
  cursor: pointer;
  word-break: break-word;
  overflow-wrap: break-word;
}
.hero-title:hover {
  color: var(--c-forest-600);
}

.hero-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
  margin-bottom: 18px;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  margin-top: auto;
  flex-wrap: wrap;
}

.author-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--c-forest-100);
  color: var(--c-forest-900);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  border: 2px solid var(--border-subtle);
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.author-name {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}
.author-credentials {
  font-size: 0.72rem;
  color: var(--text-light);
  line-height: 1.2;
}

.read-stats {
  margin-left: auto;
  font-size: 0.76rem;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 0.86rem;
  font-weight: 600;
  transition: var(--transition);
}
.btn-primary:hover {
  background: var(--primary-hover);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   CATEGORY BAR & REAL-TIME SEARCH
   ========================================================================== */
.filter-search-section {
  padding: 10px 0 20px;
  width: 100%;
}

.filter-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--bg-surface);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.category-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  max-width: 100%;
  padding-bottom: 2px;
}
.category-pills::-webkit-scrollbar {
  display: none;
}

.pill-btn {
  padding: 6px 12px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.pill-btn:hover {
  color: var(--text-main);
  background: var(--primary-tint);
  border-color: var(--border-strong);
}
.pill-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.search-input-wrapper {
  position: relative;
  flex-grow: 1;
  min-width: 220px;
  max-width: 100%;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 8px 36px 8px 32px;
  border-radius: var(--radius-full);
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  font-size: 0.84rem;
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}
.search-input:focus {
  border-color: var(--c-forest-600);
  background: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(45, 137, 115, 0.15);
}
.search-kbd {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.65rem;
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-light);
  font-family: var(--font-mono);
  pointer-events: none;
}

/* ==========================================================================
   MAIN CONTENT & SIDEBAR LAYOUT
   ========================================================================== */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  padding-bottom: 56px;
  width: 100%;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--border-subtle);
  padding-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}
.section-title {
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
}
.results-counter {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* Article Cards Grid */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  width: 100%;
}

.article-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  width: 100%;
}
.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-subtle);
  width: 100%;
}
.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.article-card:hover .card-media img {
  transform: scale(1.03);
}

.card-bookmark-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 0, 0, 0.08);
  transition: var(--transition);
  z-index: 10;
}
[data-theme="dark"] .card-bookmark-btn {
  background: rgba(19, 34, 30, 0.92);
  border-color: rgba(255, 255, 255, 0.1);
}
.card-bookmark-btn:hover {
  color: var(--accent);
  transform: scale(1.08);
}
.card-bookmark-btn.saved {
  color: var(--accent);
  background: var(--accent-tint);
}

.card-content {
  padding: 18px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.card-tag {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--c-emerald-600);
  margin-bottom: 6px;
}
[data-theme="dark"] .card-tag {
  color: var(--c-emerald-500);
}

.card-title {
  font-family: var(--font-editorial);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.32;
  color: var(--text-main);
  margin-bottom: 8px;
  cursor: pointer;
  word-break: break-word;
}
.card-title:hover {
  color: var(--c-forest-600);
}

.card-excerpt {
  color: var(--text-muted);
  font-size: 0.86rem;
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.76rem;
  color: var(--text-light);
  gap: 8px;
}

.card-author-group {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}
.avatar-sm {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.7rem;
  flex-shrink: 0;
}

.btn-read-article {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
  flex-shrink: 0;
}
.btn-read-article:hover {
  color: var(--accent);
  gap: 6px;
}

/* Empty state */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 44px 16px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border-strong);
}
.empty-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

/* ==========================================================================
   SIDEBAR WIDGETS
   ========================================================================== */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

.widget {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  width: 100%;
}

.widget-title {
  font-family: var(--font-editorial);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.widget-title svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* Calculator Widget */
.calc-widget {
  background: linear-gradient(180deg, var(--bg-surface), var(--bg-subtle));
  border-color: var(--c-forest-600);
}
.calc-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.form-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-control {
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  font-size: 0.85rem;
  color: var(--text-main);
  outline: none;
}
.form-control:focus {
  border-color: var(--c-forest-600);
}

.btn-calculate {
  background: var(--primary);
  color: #fff;
  padding: 9px;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  text-align: center;
  transition: var(--transition);
  margin-top: 4px;
}
.btn-calculate:hover {
  background: var(--primary-hover);
}

.calc-result {
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--primary-tint);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  display: none;
}
.calc-result.active {
  display: block;
}
.calc-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 8px;
}
.metric-box {
  background: var(--bg-surface);
  padding: 8px;
  border-radius: 6px;
  text-align: center;
}
.metric-val {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
}
.metric-name {
  font-size: 0.64rem;
  text-transform: uppercase;
  color: var(--text-light);
}

/* Trending List Widget */
.trending-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
}
.trending-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
}
.trending-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.trending-num {
  font-family: var(--font-editorial);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--border-strong);
  line-height: 1;
  flex-shrink: 0;
}
.trending-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}
.trending-title {
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.32;
  color: var(--text-main);
  transition: var(--transition);
}
.trending-item:hover .trending-title {
  color: var(--c-forest-600);
}
.trending-meta {
  font-size: 0.7rem;
  color: var(--text-light);
}

/* Editorial Review Board Widget */
.review-board-card {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
}
.board-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--c-forest-100);
  color: var(--c-forest-800);
  font-weight: 700;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.board-meta {
  min-width: 0;
}
.board-meta h4 {
  font-size: 0.86rem;
  color: var(--text-main);
  margin-bottom: 1px;
}
.board-meta p {
  font-size: 0.72rem;
  color: var(--text-light);
  margin-bottom: 3px;
}
.review-seal {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--c-emerald-600);
  background: var(--c-emerald-100);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}
[data-theme="dark"] .review-seal {
  background: rgba(16, 185, 129, 0.15);
  color: var(--c-emerald-500);
}

/* Newsletter Widget */
.newsletter-card {
  background: linear-gradient(135deg, var(--c-forest-950), var(--c-forest-800));
  color: #fff;
  border-radius: var(--radius-md);
  padding: 22px 18px;
}
.newsletter-card h3 {
  font-family: var(--font-editorial);
  font-size: 1.3rem;
  margin-bottom: 6px;
}
.newsletter-card p {
  font-size: 0.82rem;
  color: #c4d9d1;
  margin-bottom: 14px;
  line-height: 1.5;
}
.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.newsletter-input {
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-size: 0.86rem;
  outline: none;
}
.newsletter-input::placeholder {
  color: #8dafa3;
}
.newsletter-input:focus {
  border-color: var(--c-emerald-500);
  background: rgba(255, 255, 255, 0.14);
}
.btn-newsletter {
  background: var(--c-emerald-500);
  color: #071a15;
  font-weight: 700;
  padding: 9px;
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  transition: var(--transition);
}
.btn-newsletter:hover {
  background: var(--c-emerald-100);
}
.newsletter-disclaimer {
  font-size: 0.68rem;
  color: #8dafa3;
  margin-top: 6px;
  text-align: center;
}

/* ==========================================================================
   MODAL OVERLAYS & DIALOGS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 20, 16, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 10px;
  opacity: 0;
  transition: opacity 0.22s ease;
}
.modal-overlay.open {
  display: flex;
  opacity: 1;
}

.reader-dialog {
  background: var(--bg-surface);
  color: var(--text-main);
  width: 100%;
  max-width: 840px;
  max-height: 92vh;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-lg);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  position: relative;
  animation: modalSlideUp 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.reader-header {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 10px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 20;
  gap: 10px;
}
.reader-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reader-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.reader-close-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 1.2rem;
  transition: var(--transition);
  flex-shrink: 0;
}
.reader-close-btn:hover {
  background: var(--primary-tint);
  color: var(--text-main);
}

.reader-body {
  padding: 28px 32px;
}

.reader-title {
  font-family: var(--font-editorial);
  font-size: 1.95rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: -0.015em;
  word-break: break-word;
}

.reader-meta-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.clinical-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--c-emerald-600);
  background: var(--c-emerald-100);
  padding: 3px 9px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}
[data-theme="dark"] .clinical-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--c-emerald-500);
}

.reader-hero-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 320px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 22px;
}
.reader-hero-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Key Takeaways Callout */
.takeaways-box {
  background: var(--primary-tint);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 18px;
  margin-bottom: 22px;
}
.takeaways-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--primary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.takeaways-list {
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.88rem;
  color: var(--text-main);
}

/* Article Prose */
.article-prose {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-main);
}
.article-prose h3 {
  font-family: var(--font-editorial);
  font-size: 1.4rem;
  margin: 24px 0 12px;
  color: var(--text-main);
  line-height: 1.3;
}
.article-prose p {
  margin-bottom: 16px;
}
.article-prose ul {
  padding-left: 18px;
  margin-bottom: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.article-prose blockquote {
  border-left: 3px solid var(--accent);
  padding: 10px 16px;
  margin: 18px 0;
  font-style: italic;
  background: var(--bg-subtle);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Scientific Reference Citations Box */
.citations-box {
  margin-top: 28px;
  padding: 16px;
  background: var(--bg-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  color: var(--text-muted);
}
.citations-title {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  color: var(--text-main);
}
.citations-box ol {
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* Reader Comments Section */
.reader-comments {
  margin-top: 36px;
  padding-top: 24px;
  border-top: 2px solid var(--border-subtle);
}
.comments-title {
  font-family: var(--font-editorial);
  font-size: 1.3rem;
  margin-bottom: 14px;
}
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}
.comment-card {
  background: var(--bg-subtle);
  padding: 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.comment-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
  flex-wrap: wrap;
  gap: 4px;
}
.comment-user {
  font-weight: 700;
  font-size: 0.82rem;
}
.comment-date {
  font-size: 0.7rem;
  color: var(--text-light);
}
.comment-text {
  font-size: 0.84rem;
  color: var(--text-muted);
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.comment-textarea {
  width: 100%;
  padding: 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  font-size: 0.86rem;
  min-height: 75px;
  resize: vertical;
}

/* Saved Bookmarks Modal */
.bookmarks-dialog {
  max-width: 560px;
}
.bookmarks-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px;
  max-height: 440px;
  overflow-y: auto;
}
.bookmark-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px;
  background: var(--bg-subtle);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}
.bookmark-row-title {
  font-weight: 600;
  font-size: 0.86rem;
  cursor: pointer;
  line-height: 1.3;
}
.bookmark-row-title:hover {
  color: var(--primary);
}
.btn-remove-bookmark {
  color: #ef4444;
  font-size: 0.76rem;
  padding: 3px 5px;
  flex-shrink: 0;
}

/* ==========================================================================
   ETHICS & LEGAL POLICY MODAL
   ========================================================================== */
.policy-dialog {
  max-width: 760px;
}
.policy-dialog .reader-body {
  padding: 24px 28px;
}
.policy-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 3px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.policy-dialog .article-prose h3 {
  font-size: 1.15rem;
  margin: 20px 0 6px;
  color: var(--text-main);
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 4px;
}
.policy-dialog .article-prose p {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.policy-dialog .article-prose ul {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.policy-callout {
  background: var(--primary-tint);
  border-left: 4px solid var(--primary);
  padding: 12px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 16px 0;
  font-size: 0.84rem;
  color: var(--text-main);
}
.policy-signature {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-light);
  flex-wrap: wrap;
  gap: 6px;
}

/* ==========================================================================
   FOOTER & LEGAL COMPLIANCE
   ========================================================================== */
.site-footer {
  background: var(--c-forest-950);
  color: #d1e2db;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 44px 0 24px;
  width: 100%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 36px;
  width: 100%;
}

.footer-brand .logo-name {
  color: #fff;
  font-size: 1.45rem;
  margin-bottom: 4px;
}
.footer-desc {
  font-size: 0.82rem;
  color: #9cb8ad;
  line-height: 1.55;
  max-width: 360px;
  margin-bottom: 14px;
}

.footer-column h4 {
  color: #fff;
  font-size: 0.86rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-links a {
  color: #9cb8ad;
  font-size: 0.82rem;
  display: inline-block;
  padding: 2px 0;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 3px;
}

.medical-disclaimer-box {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 14px;
  font-size: 0.74rem;
  color: #8dafa3;
  line-height: 1.55;
  margin-bottom: 24px;
}
.medical-disclaimer-box strong {
  color: #e5f2ee;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 0.76rem;
  color: #799d91;
}

/* Toast Notice */
.toast-notice {
  position: fixed;
  bottom: 16px;
  right: 16px;
  max-width: calc(100vw - 32px);
  background: var(--c-forest-900);
  color: #fff;
  padding: 9px 16px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-lg);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 2000;
  transform: translateY(100px);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.toast-notice.show {
  transform: translateY(0);
  opacity: 1;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Tablet & Smaller Desktops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-card {
    grid-template-columns: 1fr;
  }
  .hero-media {
    min-height: 280px;
    max-height: 340px;
  }
  .main-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
}

/* Mobile Devices (<= 768px) */
@media (max-width: 768px) {
  .container {
    padding-left: 14px;
    padding-right: 14px;
  }

  /* Header adjustments */
  .primary-nav {
    display: none;
  }
  .mobile-menu-btn {
    display: flex;
  }
  .header-inner {
    padding: 8px 0;
    gap: 8px;
  }
  .brand-logo {
    gap: 6px;
    max-width: calc(100% - 110px);
  }
  .logo-icon {
    width: 28px;
    height: 28px;
  }
  .logo-name {
    font-size: 0.96rem;
  }
  .logo-tagline {
    display: none; /* Hidden on mobile to ensure crisp single-line header with zero overflow */
  }
  .header-actions {
    gap: 4px;
  }
  .btn-icon {
    width: 32px;
    height: 32px;
  }
  .btn-subscribe {
    display: none;
  }

  /* Top bar */
  .top-authority-bar {
    font-size: 0.68rem;
    padding: 5px 0;
  }
  .top-authority-bar .container {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 3px;
    padding: 0 10px;
  }
  .top-authority-bar .badge-issn,
  .top-authority-bar .quick-meta {
    justify-content: center;
    text-align: center;
    flex-wrap: wrap;
  }

  /* Hero Section */
  .hero-spotlight {
    padding: 12px 0 22px;
  }
  .hero-media {
    min-height: 190px;
    max-height: 220px;
  }
  .hero-content {
    padding: 16px 14px;
    width: 100%;
    box-sizing: border-box;
  }
  .hero-title {
    font-size: 1.35rem;
    line-height: 1.25;
    margin-bottom: 10px;
    word-break: break-word;
    overflow-wrap: break-word;
  }
  .hero-excerpt {
    font-size: 0.86rem;
    line-height: 1.5;
    margin-bottom: 14px;
  }
  .article-meta {
    gap: 8px;
    padding-top: 12px;
    flex-direction: column;
    align-items: flex-start;
  }
  .author-avatar {
    width: 30px;
    height: 30px;
    font-size: 0.74rem;
  }
  .author-name {
    font-size: 0.82rem;
  }
  .author-credentials {
    font-size: 0.68rem;
  }
  .read-stats {
    width: 100%;
    margin-left: 0;
    margin-top: 2px;
  }
  .hero-actions {
    width: 100%;
    margin-top: 14px;
  }
  .hero-actions .btn-primary {
    flex-grow: 1;
    padding: 9px 14px;
    font-size: 0.82rem;
  }

  /* Articles Grid */
  .articles-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
  }
  .article-card {
    width: 100%;
  }
  .article-card .card-content {
    padding: 14px;
  }
  .card-title {
    font-size: 1.1rem;
    word-break: break-word;
    overflow-wrap: break-word;
  }

  /* Sidebar single column on phones */
  .sidebar {
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
  }
  .widget {
    padding: 16px 14px;
    width: 100%;
  }

  /* Calculator inputs full width on mobile */
  .form-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  /* Search bar & Category Pills Zero Overflow */
  .filter-toolbar {
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    gap: 10px;
    width: 100%;
    max-width: 100%;
    overflow: hidden;
  }
  .category-pills {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    flex: 1 1 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .search-input-wrapper {
    min-width: 0;
    width: 100%;
    max-width: 100%;
    flex: 1 1 100%;
  }
  .search-kbd {
    display: none;
  }

  /* Footer bottom badges wrap */
  .footer-bottom-badges {
    display: flex;
    gap: 8px 12px;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Modals on Mobile */
  .modal-overlay {
    padding: 6px;
  }
  .reader-dialog {
    max-height: 95vh;
    border-radius: 12px;
  }
  .reader-header {
    padding: 8px 12px;
  }
  .reader-body {
    padding: 16px 12px;
  }
  .reader-title {
    font-size: 1.35rem;
    line-height: 1.25;
  }
  .reader-hero-img {
    max-height: 180px;
    margin-bottom: 14px;
  }
  .takeaways-box {
    padding: 12px;
  }
  .takeaways-list {
    font-size: 0.82rem;
  }
  .article-prose {
    font-size: 0.92rem;
    line-height: 1.6;
  }
  .article-prose h3 {
    font-size: 1.18rem;
    margin: 18px 0 8px;
  }

  /* Policy Modal */
  .policy-dialog .reader-body {
    padding: 16px 12px;
  }

  /* Footer single column on mobile */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .site-footer {
    padding: 30px 0 20px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
  }
}

/* Extra Small mobile devices (<= 360px, e.g. iPhone SE, Galaxy Fold cover) */
@media (max-width: 360px) {
  .logo-name {
    font-size: 0.95rem;
  }
  .logo-icon {
    width: 28px;
    height: 28px;
  }
  .btn-icon {
    width: 32px;
    height: 32px;
  }
  .hero-title {
    font-size: 1.22rem;
  }
  .reader-title {
    font-size: 1.2rem;
  }
  .calc-metrics {
    grid-template-columns: 1fr;
  }
}