/* ===== GOOGLE FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===== CSS VARIABLES ===== */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --bg-me: rgba(59, 130, 246, 0.08);
  --bg-do: rgba(168, 85, 247, 0.08);
  --bg-me-hover: rgba(59, 130, 246, 0.15);
  --bg-do-hover: rgba(168, 85, 247, 0.15);

  --border-main: rgba(255, 255, 255, 0.06);
  --border-me: rgba(59, 130, 246, 0.25);
  --border-do: rgba(168, 85, 247, 0.25);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent-red: #ef4444;
  --accent-red-glow: rgba(239, 68, 68, 0.3);
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.3);
  --accent-amber: #f59e0b;
  --accent-amber-glow: rgba(245, 158, 11, 0.3);
  --accent-cyan: #06b6d4;
  --accent-cyan-glow: rgba(6, 182, 212, 0.3);

  --overlay-bg: rgba(0, 0, 0, 0.6);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5);

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}
[data-theme="light"] {
  --bg-primary: #e9ecef;
  --bg-secondary: #f8f9fa;
  --bg-card: rgba(255, 255, 255, 0.9);
  --bg-card-hover: rgba(255, 255, 255, 1);
  --bg-me: rgba(59, 130, 246, 0.15);
  --bg-do: rgba(168, 85, 247, 0.15);
  --bg-me-hover: rgba(59, 130, 246, 0.25);
  --bg-do-hover: rgba(168, 85, 247, 0.25);
  --overlay-bg: rgba(255, 255, 255, 0.6);
  
  --border-main: rgba(0, 0, 0, 0.08);
  --border-me: rgba(59, 130, 246, 0.4);
  --border-do: rgba(168, 85, 247, 0.4);

  --text-primary: #111827;
  --text-secondary: #374151;
  --text-muted: #6b7280;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.12);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ===== ANIMATED BACKGROUND ===== */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 600px 400px at 20% 10%, rgba(239, 68, 68, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 500px 500px at 80% 30%, rgba(59, 130, 246, 0.06) 0%, transparent 70%),
    radial-gradient(ellipse 400px 300px at 50% 80%, rgba(168, 85, 247, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-card);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border-bottom: 1px solid var(--border-main);
  padding: 0 32px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-red), #dc2626);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 0 20px var(--accent-red-glow);
}

.logo-text {
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.header-link-btn {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--accent-emerald);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-left: auto;
  margin-right: 20px;
}
.header-link-btn:hover {
  background: rgba(16, 185, 129, 0.2);
}

/* ===== NAVIGATION ===== */
.nav-tabs {
  display: flex;
  gap: 4px;
}

.nav-tab {
  padding: 9px 22px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-tab:hover {
  color: var(--text-primary);
  background: var(--border-main);
  border-color: var(--border-main);
}

.nav-tab.active {
  color: var(--text-primary);
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.2);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.08);
}

.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 25%;
  width: 50%;
  height: 2px;
  background: var(--accent-red);
  border-radius: 2px;
}

/* ===== TOAST NOTIFICATION ===== */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-md);
  color: var(--accent-emerald);
  font-weight: 600;
  font-size: 14px;
  box-shadow: var(--shadow-lg), 0 0 30px rgba(16, 185, 129, 0.15);
  transform: translateY(120px);
  opacity: 0;
  transition: all var(--transition-smooth);
  pointer-events: none;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  font-size: 18px;
}

/* ===== MAIN CONTENT ===== */
.main {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  padding: 36px 32px 80px;
}

/* ===== PAGE VIEWS ===== */
.page-view {
  display: none;
  animation: fadeInPage 0.35s ease-out;
}

.page-view.active {
  display: block;
}

@keyframes fadeInPage {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== SECTION TITLE ===== */
.section-title {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-main);
}

.section-title .icon {
  font-size: 28px;
}

.section-title h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.3px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  margin-top: 2px;
}

/* ===== CATEGORY GRID (HOME) - ACETERNITY BENTO STYLE ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: minmax(130px, auto);
  grid-auto-flow: dense;
  gap: 16px;
  margin-bottom: 40px;
}

.bento-col-2 { grid-column: span 2; }
.bento-col-3 { grid-column: span 3; }
.bento-row-2 { grid-row: span 2; }

.category-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  min-height: 140px;
  color: var(--text-primary);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(145deg, var(--card-accent, rgba(255,255,255,0.2)) 0%, transparent 40%, transparent 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.2;
  transition: opacity 0.4s ease;
  pointer-events: none;
}
[data-theme="light"] .category-card::before {
  background: linear-gradient(145deg, var(--card-accent, rgba(0,0,0,0.1)) 0%, transparent 40%, transparent 100%);
}

.category-card::after {
  content: '';
  position: absolute;
  top: 50%; left: 50%;
  width: 150%; height: 150%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle at center, var(--card-accent), transparent 60%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: multiply;
}

.category-card:hover {
  transform: translateY(-4px) scale(1.02);
  border-color: rgba(0, 0, 0, 0.15);
  box-shadow: 0 12px 30px -10px var(--card-accent);
}

.category-card:hover::before { opacity: 1; }
.category-card:hover::after { opacity: 0.04; }

.card-banner {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  margin: 0;
  height: 100%;
  border-radius: inherit;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.card-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0.85) 45%, rgba(0,0,0,0) 100%);
  mask-image: linear-gradient(to bottom, rgba(0,0,0,1) 0%, rgba(0,0,0,0.85) 45%, rgba(0,0,0,0) 100%);
  transition: transform 0.6s cubic-bezier(0.25, 0.8, 0.25, 1), filter 0.4s ease;
  filter: brightness(0.65) saturate(0.85);
}

.category-card:hover .card-banner img {
  transform: scale(1.05);
  filter: brightness(1.05) saturate(1.1);
}

.category-card .card-icon,
.category-card h3,
.category-card p {
  position: relative;
  z-index: 1;
}

@media (max-width: 1024px) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .bento-col-2, .bento-col-3, .bento-row-2 {
    grid-column: span 1 !important;
    grid-row: span 1 !important;
  }
}

.category-card .card-icon {
  font-size: 38px;
  margin-bottom: 16px;
  display: block;
}

.category-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.category-card.bento-row-2 {
  padding-bottom: 36px;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
}
.category-card.bento-row-2 h3 {
  font-size: 24px;
  color: #ffffff !important;
  text-shadow: 0 2px 6px rgba(0,0,0,0.8);
  margin-bottom: 12px;
}
.category-card.bento-row-2 p {
  color: #f0f0f0 !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.8);
  font-weight: 500;
}
.category-card.bento-row-2::before,
.category-card.bento-row-2::after {
  display: none !important;
}

.category-card p { color: var(--text-secondary); font-size: 14px; margin-bottom: 0; line-height: 1.4; }

.category-card .card-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  color: var(--text-muted);
  font-size: 18px;
  transition: all var(--transition-normal);
  z-index: 1;
}

.category-card:hover .card-arrow {
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ===== BACK BUTTON ===== */
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--border-main);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-bottom: 24px;
}

.back-btn:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.12);
}

/* ===== PROCEDURE BLOCKS ===== */
.procedure-group {
  margin-bottom: 32px;
}

.procedure-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  cursor: pointer;
  padding: 14px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  user-select: none;
}

.procedure-header:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.1);
}

.procedure-header .proc-icon {
  font-size: 22px;
}

.procedure-header h3 {
  font-size: 15px;
  font-weight: 700;
  flex: 1;
}

.procedure-header .chevron {
  color: var(--text-muted);
  font-size: 12px;
  transition: transform var(--transition-normal);
}

.procedure-header.open .chevron {
  transform: rotate(180deg);
}

.procedure-body {
  display: none;
  padding-left: 8px;
  animation: slideDown 0.3s ease-out;
}

.procedure-body.open {
  display: block;
}

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

/* ===== NOTE CALLOUT ===== */
.note-callout {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.15);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--accent-amber);
  line-height: 1.5;
}

.note-callout .note-icon {
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* ===== /ME AND /DO CARDS ===== */
.cmd-card {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  border: 1px solid transparent;
}

.cmd-card.me {
  background: var(--bg-me);
  border-color: var(--border-me);
}

.cmd-card.do {
  background: var(--bg-do);
  border-color: var(--border-do);
}

.cmd-card:hover.me {
  background: var(--bg-me-hover);
  box-shadow: 0 2px 20px rgba(59, 130, 246, 0.1);
  transform: translateX(2px);
}

.cmd-card:hover.do {
  background: var(--bg-do-hover);
  box-shadow: 0 2px 20px rgba(168, 85, 247, 0.1);
  transform: translateX(2px);
}

.cmd-card:active {
  transform: scale(0.985);
}

.cmd-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  flex-shrink: 0;
  letter-spacing: 0.5px;
  margin-top: 2px;
}

.cmd-card.me .cmd-badge {
  background: rgba(59, 130, 246, 0.2);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.cmd-card.do .cmd-badge {
  background: rgba(168, 85, 247, 0.2);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.cmd-text {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-primary);
  flex: 1;
}

.cmd-copy-icon {
  color: var(--text-muted);
  font-size: 16px;
  opacity: 0.3;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-top: 3px;
}

.cmd-card:hover .cmd-copy-icon {
  opacity: 1;
  color: var(--text-secondary);
}

.cmd-card.copied {
  border-color: rgba(16, 185, 129, 0.4) !important;
  background: rgba(16, 185, 129, 0.08) !important;
}

.cmd-card.copied .cmd-copy-icon {
  opacity: 1;
  color: var(--accent-emerald);
}

/* ===== SECTION DIVIDER ===== */
.section-divider {
  border: none;
  border-top: 1px solid var(--border-main);
  margin: 32px 0;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
  width: 6px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* ===== QUICK NAV (NEXT STEP) ===== */
.quick-nav {
  margin-top: 20px;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  position: relative;
}

.quick-nav-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.quick-nav-label .qn-icon {
  font-size: 16px;
}

.quick-nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-nav-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.quick-nav-pill:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.quick-nav-pill .pill-emoji {
  font-size: 15px;
}

/* Pill color variants */
.quick-nav-pill[data-color="red"] {
  border-color: rgba(239, 68, 68, 0.2);
  background: rgba(239, 68, 68, 0.06);
}
.quick-nav-pill[data-color="red"]:hover {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.1);
}

.quick-nav-pill[data-color="blue"] {
  border-color: rgba(59, 130, 246, 0.2);
  background: rgba(59, 130, 246, 0.06);
}
.quick-nav-pill[data-color="blue"]:hover {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.1);
}

.quick-nav-pill[data-color="orange"] {
  border-color: rgba(249, 115, 22, 0.2);
  background: rgba(249, 115, 22, 0.06);
}
.quick-nav-pill[data-color="orange"]:hover {
  background: rgba(249, 115, 22, 0.12);
  border-color: rgba(249, 115, 22, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(249, 115, 22, 0.1);
}

.quick-nav-pill[data-color="purple"] {
  border-color: rgba(168, 85, 247, 0.2);
  background: rgba(168, 85, 247, 0.06);
}
.quick-nav-pill[data-color="purple"]:hover {
  background: rgba(168, 85, 247, 0.12);
  border-color: rgba(168, 85, 247, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(168, 85, 247, 0.1);
}

.quick-nav-pill[data-color="emerald"] {
  border-color: rgba(16, 185, 129, 0.2);
  background: rgba(16, 185, 129, 0.06);
}
.quick-nav-pill[data-color="emerald"]:hover {
  background: rgba(16, 185, 129, 0.12);
  border-color: rgba(16, 185, 129, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.1);
}

.quick-nav-pill[data-color="cyan"] {
  border-color: rgba(6, 182, 212, 0.2);
  background: rgba(6, 182, 212, 0.06);
}
.quick-nav-pill[data-color="cyan"]:hover {
  background: rgba(6, 182, 212, 0.12);
  border-color: rgba(6, 182, 212, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(6, 182, 212, 0.1);
}

.quick-nav-pill[data-color="amber"] {
  border-color: rgba(245, 158, 11, 0.2);
  background: rgba(245, 158, 11, 0.06);
}
.quick-nav-pill[data-color="amber"]:hover {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: var(--text-primary);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.1);
}

/* ===== PAGE LAYOUT (SIDEBAR) ===== */
.page-layout {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  position: relative;
}

.page-sidebar {
  position: sticky;
  top: 90px;
  width: 260px;
  flex-shrink: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

.page-sidebar::-webkit-scrollbar {
  width: 4px;
}
.page-sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.sidebar-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  margin-bottom: 12px;
  padding-left: 8px;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
  background: transparent;
  border: 1px solid transparent;
}

.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-color);
  transform: translateX(4px);
}

.sidebar-icon {
  font-size: 16px;
}

.page-content {
  flex-grow: 1;
  min-width: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .header {
    padding: 0 8px;
  }

  .header-inner {
    flex-wrap: nowrap;
    justify-content: center;
    padding: 8px 0;
    height: auto;
  }

  .header-link-btn {
    margin-left: 0;
    margin-right: 0;
  }

  .logo {
    display: none;
  }

  .nav-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding: 2px 4px;
    scrollbar-width: none;
  }
  .nav-tabs::-webkit-scrollbar {
    display: none;
  }

  .nav-tab {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 10px 16px;
    font-size: 13px;
    border-radius: 20px;
    min-height: 40px;
  }

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

  .page-layout {
    flex-direction: column;
  }

  .page-sidebar {
    position: relative;
    top: 0;
    width: calc(100% + 16px);
    margin-left: -8px;
    max-height: none;
    margin-bottom: 12px;
    padding: 8px 6px;
    z-index: 100;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
  }

  .sidebar-title {
    display: none;
  }

  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    gap: 6px;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .sidebar-nav::-webkit-scrollbar {
    display: none;
  }

  .sidebar-link {
    white-space: nowrap;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 20px !important;
    font-size: 13px;
    min-height: 38px;
  }

  .main {
    padding: 10px 8px 90px;
  }

  /* Touch-friendly cmd cards */
  .cmd-card {
    padding: 14px 16px !important;
    min-height: 50px;
    border-radius: 8px !important;
  }

  .cmd-badge {
    font-size: 13px !important;
    padding: 4px 10px !important;
  }

  .cmd-text {
    font-size: 14px !important;
    line-height: 1.5 !important;
  }

  .cmd-copy-icon {
    font-size: 20px !important;
    min-width: 36px;
    min-height: 36px;
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .category-card, 
  .note-callout, 
  .login-box, 
  .login-input, 
  .login-btn,
  .procedure-group {
    border-radius: 8px !important;
  }

  .logo-badge {
    display: none;
  }
}

@media (max-width: 480px) {
  .nav-tab {
    padding: 8px 12px;
    font-size: 12px;
  }

  .section-title h2 {
    font-size: 18px;
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}
/* ===== LOGIN OVERLAY ===== */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.login-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.login-box {
  background: var(--bg-card);
  padding: 30px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  width: 90%;
  max-width: 400px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.5s ease forwards;
}

.login-box .logo-icon {
  font-size: 48px;
  width: 80px;
  height: 80px;
  margin: 0 auto 15px;
}

.login-box h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.login-box p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 30px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.login-input {
  width: 100%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  padding: 12px 16px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 15px;
  outline: none;
  transition: all 0.3s ease;
}

.login-input:focus {
  border-color: var(--accent-blue);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.1);
}

.login-btn {
  width: 100%;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  padding: 14px;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-top: 10px;
}

.login-btn:hover {
  background: #0ea5e9;
  transform: translateY(-2px);
}

.login-error {
  color: var(--accent-red);
  font-size: 13px;
  margin-top: 12px;
  display: none;
  min-height: 20px;
}

.login-error.show {
  display: block;
}

.mobile-link-banner {
  display: none;
}

@media (max-width: 768px) {
  .main {
    padding-bottom: 90px;
  }

  #btn-link-pc {
    display: none !important;
  }

  .mobile-link-banner {
    display: flex;
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 90%;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(56, 189, 248, 0.15);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 50px;
    color: var(--accent-blue);
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    box-shadow: 0 8px 25px rgba(0,0,0,0.4);
  }

  .mobile-link-banner.connected {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.4);
    color: var(--accent-emerald);
    padding: 12px 24px;
    font-size: 14px;
  }

  /* Auto-minimized state: small green pill with tick */
  .mobile-link-banner.minimized {
    width: 48px;
    height: 48px;
    max-width: 48px;
    padding: 0;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.25);
    border-color: rgba(16, 185, 129, 0.5);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
    bottom: 20px;
    left: 16px;
    right: auto;
    transform: none;
    overflow: hidden;
  }
  .mobile-link-banner.minimized .banner-text {
    display: none;
  }
  .mobile-link-banner.minimized .banner-icon {
    font-size: 20px;
  }
}



/* ===== FOOTER & TOGGLE SLIDER ===== */
.app-footer {
  margin-top: 60px;
  padding: 40px 20px;
  border-top: 1px solid var(--border-main);
  display: flex;
  justify-content: center;
  align-items: center;
}

.theme-slider-container {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  color: var(--text-muted);
}

.theme-slider {
  position: relative;
  width: 64px;
  height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: 32px;
  cursor: pointer;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
  transition: all var(--transition-normal);
}

.theme-slider:hover {
  border-color: var(--text-muted);
}

.theme-slider-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  background: var(--text-primary);
  border-radius: 50%;
  transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

[data-theme="light"] .theme-slider-knob {
  transform: translateX(32px);
}
/* ===== GLOBAL SEARCH ===== */
.search-btn-header {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: 8px 16px;
  color: var(--text-muted);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  margin-left: auto;
  margin-right: 20px;
}
.search-btn-header:hover {
  border-color: var(--border-me);
  color: var(--text-primary);
}
.search-kbd {
  background: var(--border-main);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  font-family: monospace;
}

.search-fab {
  display: none;
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(56, 189, 248, 0.15);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--accent-blue);
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 1000;
  transition: all var(--transition-normal);
}
.search-fab:active { transform: scale(0.9); }

.search-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: var(--overlay-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.search-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.search-modal {
  width: 90%;
  max-width: 650px;
  background: var(--bg-primary);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(0);
  transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.search-overlay.hidden .search-modal {
  transform: translateY(-20px);
}

.search-header {
  display: flex;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-main);
}
.search-header input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 18px;
  outline: none;
  margin-left: 12px;
}
.search-header input::placeholder {
  color: var(--text-muted);
}

.search-results {
  max-height: 60vh;
  overflow-y: auto;
  padding: 10px;
}
.search-result-item {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background 0.2s;
}
.search-result-item:hover {
  background: var(--border-main);
}
.search-result-title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.search-result-tag {
  font-size: 10px;
  background: var(--border-main);
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
}
.search-result-desc {
  color: var(--text-secondary);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-empty {
  padding: 30px;
  text-align: center;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .search-btn-header { display: none; }
  .search-fab { display: flex; }
}
/* ===== VITAL SIGNS TABLE ===== */
.table-responsive {
  margin: 20px 0;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-main);
  background: transparent;
}
.vital-signs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: center;
  min-width: 550px;
}
.vital-signs-table th {
  padding: 12px 10px;
  background: var(--border-main);
  border-bottom: 1px solid var(--border-main);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}
.vital-signs-table td {
  padding: 10px;
  border-bottom: 1px solid var(--border-main);
  color: var(--text-secondary);
  white-space: nowrap;
}
.vital-signs-table tr:last-child td {
  border-bottom: none;
}
.vital-signs-table th:first-child,
.vital-signs-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text-primary);
}

/* ===== NEW MEDICAL PROCEDURES UI ===== */
.ic-recommendation {
  background: rgba(16, 185, 129, 0.08);
  border-left: 3px solid var(--accent-emerald);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.ic-recommendation strong {
  color: var(--text-primary);
}

.medical-followup {
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid var(--accent-amber);
  padding: 12px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}
.medical-followup strong {
  color: var(--text-primary);
}

.medical-report {
  background: rgba(59, 130, 246, 0.08);
  border: 1px dashed rgba(59, 130, 246, 0.3);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}
.medical-report:hover {
  background: rgba(59, 130, 246, 0.15);
  border-color: rgba(59, 130, 246, 0.5);
}
.medical-report strong {
  color: var(--accent-blue);
  display: block;
  margin-bottom: 4px;
}
.medical-report .cmd-copy-icon {
  position: absolute;
  top: 12px;
  right: 12px;
  opacity: 0.5;
}
.medical-report:hover .cmd-copy-icon {
  opacity: 1;
}

@media (max-width: 768px) {
  .hide-on-mobile {
    display: none !important;
  }
}