/* ═══════════════════════════════════════════════════════════════
   Checklist By ZeroDayCops — Design System
   ═══════════════════════════════════════════════════════════════ */

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

/* ── CSS Custom Properties ── */
:root {
  /* Base tokens */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 2px 8px rgba(0,0,0,.08);
  --shadow-card: 0 1px 3px rgba(0,0,0,.05), 0 4px 12px rgba(0,0,0,.04);
  --transition-fast: 150ms cubic-bezier(.4,0,.2,1);
  --transition-normal: 250ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 400ms cubic-bezier(.4,0,.2,1);
  --sidebar-width: 300px;
  --header-height: 56px;
}

/* ── Dark Theme (default) ── */
[data-theme="dark"] {
  --bg-primary: #0E1116;
  --bg-secondary: #161B22;
  --bg-tertiary: #1C2128;
  --bg-elevated: #21262D;
  --bg-hover: #292E36;
  --border-primary: #30363D;
  --border-secondary: #21262D;
  --border-accent: rgba(63, 184, 175, 0.3);
  --text-primary: #E6EDF3;
  --text-secondary: #8B949E;
  --text-tertiary: #6E7681;
  --text-on-accent: #FFFFFF;
  --accent: #3FB8AF;
  --accent-hover: #4ECDC4;
  --accent-muted: rgba(63, 184, 175, 0.12);
  --accent-glow: rgba(63, 184, 175, 0.15);
  --severity-critical: #F85149;
  --severity-critical-bg: rgba(248, 81, 73, 0.12);
  --severity-high: #E3A857;
  --severity-high-bg: rgba(227, 168, 87, 0.12);
  --severity-medium: #3FB8AF;
  --severity-medium-bg: rgba(63, 184, 175, 0.12);
  --severity-low: #8B949E;
  --severity-low-bg: rgba(139, 148, 158, 0.12);
  --severity-info: #6E7681;
  --severity-info-bg: rgba(110, 118, 129, 0.1);
  --checked-text: #6E7681;
  --progress-bg: #21262D;
  --progress-fill: linear-gradient(135deg, #3FB8AF 0%, #2D9A93 100%);
  --ring-track: #21262D;
  --modal-overlay: rgba(0, 0, 0, 0.6);
  --scrollbar-track: #161B22;
  --scrollbar-thumb: #30363D;
  --backdrop-blur: rgba(14, 17, 22, 0.85);
}

/* ── Light Theme ── */
[data-theme="light"] {
  --bg-primary: #FAFAF8;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F3F4F6;
  --bg-elevated: #FFFFFF;
  --bg-hover: #F0F1F3;
  --border-primary: #E1E4E8;
  --border-secondary: #EEF0F2;
  --border-accent: rgba(45, 140, 133, 0.35);
  --text-primary: #1A1D21;
  --text-secondary: #5B6169;
  --text-tertiary: #8891A0;
  --text-on-accent: #FFFFFF;
  --accent: #2D8C85;
  --accent-hover: #247A74;
  --accent-muted: rgba(45, 140, 133, 0.1);
  --accent-glow: rgba(45, 140, 133, 0.12);
  --severity-critical: #CF222E;
  --severity-critical-bg: rgba(207, 34, 46, 0.08);
  --severity-high: #BF8700;
  --severity-high-bg: rgba(191, 135, 0, 0.08);
  --severity-medium: #2D8C85;
  --severity-medium-bg: rgba(45, 140, 133, 0.08);
  --severity-low: #6E7781;
  --severity-low-bg: rgba(110, 119, 129, 0.08);
  --severity-info: #8891A0;
  --severity-info-bg: rgba(136, 145, 160, 0.06);
  --checked-text: #A0A8B4;
  --progress-bg: #E1E4E8;
  --progress-fill: linear-gradient(135deg, #2D8C85 0%, #247A74 100%);
  --ring-track: #E1E4E8;
  --modal-overlay: rgba(0, 0, 0, 0.35);
  --scrollbar-track: #F3F4F6;
  --scrollbar-thumb: #D0D4D9;
  --backdrop-blur: rgba(250, 250, 248, 0.88);
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background var(--transition-normal), color var(--transition-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ── Layout ── */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ═══════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  display: flex;
  flex-direction: column;
  z-index: 40;
  overflow-y: auto;
  overflow-x: hidden;
  transition: transform var(--transition-normal), background var(--transition-normal);
}

.sidebar-inner {
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 100%;
}

/* Logo */
.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 4px 0;
}

.logo-icon {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  flex-shrink: 0;
  overflow: hidden;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

.logo-text {
  line-height: 1.1;
}

.logo-name {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.logo-tagline {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  margin-top: 3px;
}

/* Theme toggle in sidebar */
.sidebar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  padding: 0 4px;
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-muted);
}

.theme-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
}

/* Export/Import buttons */
.sidebar-util-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-primary);
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  position: relative;
}

.sidebar-util-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-muted);
}

.sidebar-util-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.sidebar-util-btn svg {
  width: 16px;
  height: 16px;
}

.sidebar-util-btn .tooltip {
  position: absolute;
  bottom: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  color: var(--text-primary);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.sidebar-util-btn:hover .tooltip {
  opacity: 1;
}

/* Progress ring */
.progress-ring-section {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: 24px 20px 20px;
}

.ring-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring-container svg {
  transform: rotate(-90deg);
}

.ring-track {
  fill: none;
  stroke: var(--ring-track);
  stroke-width: 8;
}

.ring-fill {
  fill: none;
  stroke: var(--accent);
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s cubic-bezier(.4,0,.2,1);
}

.ring-label {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ring-percent {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.ring-count {
  font-size: 11px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}

/* Stats mini cards */
.stat-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  width: 100%;
  margin-top: 16px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 10px 12px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

.stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* Reset button */
.reset-all-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  padding: 6px 0;
  margin-top: 12px;
  transition: color var(--transition-fast);
}

.reset-all-btn:hover {
  color: var(--severity-critical);
}

.reset-all-btn svg {
  width: 14px;
  height: 14px;
}

/* Domain nav */
.domain-nav {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.domain-nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  padding: 0 10px 8px;
}

.domain-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-lg);
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  font-family: var(--font-body);
}

.domain-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.domain-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.domain-btn.active {
  background: var(--accent);
  color: var(--text-on-accent);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(63, 184, 175, 0.25);
}

[data-theme="light"] .domain-btn.active {
  box-shadow: 0 2px 8px rgba(45, 140, 133, 0.25);
}

.domain-emoji {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.domain-name {
  flex: 1;
}

.domain-count {
  font-family: var(--font-mono);
  font-size: 11px;
  opacity: 0.7;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

/* Sidebar footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: 24px;
  font-size: 11px;
  color: var(--text-tertiary);
  line-height: 1.5;
  padding: 24px 4px 4px;
}

/* Mobile hamburger */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--backdrop-blur);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-primary);
  z-index: 50;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}

.hamburger-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  color: var(--text-primary);
  cursor: pointer;
  border-radius: var(--radius-md);
}

.hamburger-btn:hover {
  background: var(--bg-tertiary);
}

.hamburger-btn svg {
  width: 22px;
  height: 22px;
}

.mobile-logo-text {
  font-size: 14px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.02em;
}

.mobile-progress-text {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  z-index: 39;
}

/* ═══════════════════════════════════════════════════
   MAIN CONTENT
   ═══════════════════════════════════════════════════ */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  min-width: 0;
}

/* Hero section */
.hero {
  position: relative;
  border-bottom: 1px solid var(--border-primary);
  overflow: hidden;
  padding: 48px 32px 40px;
}

.hero-bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--border-primary) 1px, transparent 1px);
  background-size: 20px 20px;
  opacity: 0.4;
  pointer-events: none;
}

.hero-glow {
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.hero-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-left: 2px solid var(--accent);
  padding-left: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.hero-badge svg {
  width: 14px;
  height: 14px;
  color: var(--accent);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.hero h1 .accent {
  color: var(--accent);
}

.hero-desc {
  margin-top: 16px;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-secondary);
  text-wrap: balance;
}

.severity-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.severity-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  border: 1px solid;
}

.severity-badge.critical {
  background: var(--severity-critical-bg);
  color: var(--severity-critical);
  border-color: rgba(248, 81, 73, 0.3);
}
.severity-badge.high {
  background: var(--severity-high-bg);
  color: var(--severity-high);
  border-color: rgba(227, 168, 87, 0.3);
}
.severity-badge.medium {
  background: var(--severity-medium-bg);
  color: var(--severity-medium);
  border-color: rgba(63, 184, 175, 0.3);
}
.severity-badge.low {
  background: var(--severity-low-bg);
  color: var(--severity-low);
  border-color: var(--border-primary);
}
.severity-badge.info {
  background: var(--severity-info-bg);
  color: var(--severity-info);
  border-color: var(--border-primary);
}

/* ── Sticky Search Bar ── */
.search-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--backdrop-blur);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-primary);
  padding: 12px 32px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background var(--transition-normal);
  max-width: 884px;
  margin: 0 auto;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color var(--transition-fast);
}

.search-input-wrapper:focus-within .search-icon {
  color: var(--accent);
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 40px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 13.5px;
  font-family: var(--font-body);
  outline: none;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

/* Filter buttons */
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  font-family: var(--font-body);
  box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.filter-btn.active {
  background: var(--accent-muted);
  border-color: var(--accent);
  color: var(--accent);
}

.filter-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.filter-btn svg {
  width: 14px;
  height: 14px;
}

.search-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════
   CATEGORY CARDS
   ═══════════════════════════════════════════════════ */
.categories-container {
  padding: 24px 32px 64px;
  max-width: 820px;
  margin: 0 auto;
}

.category-card {
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  background: var(--bg-secondary);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
              background var(--transition-normal);
  box-shadow: var(--shadow-card);
}

.category-card:hover {
  border-color: var(--border-accent);
}

.category-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
  transition: background var(--transition-fast);
  font-family: var(--font-body);
}

.category-header:hover {
  background: var(--bg-hover);
}

.category-header:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.category-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-tertiary);
  font-size: 16px;
  flex-shrink: 0;
  transition: background var(--transition-fast);
}

.category-card:hover .category-icon {
  background: var(--accent-muted);
}

.category-info {
  flex: 1;
  min-width: 0;
}

.category-name {
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.category-meta {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 1px;
}

/* Category progress bar (inline) */
.category-progress-area {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.category-progress-bar {
  width: 80px;
  height: 5px;
  background: var(--progress-bg);
  border-radius: 3px;
  overflow: hidden;
}

.category-progress-fill {
  height: 100%;
  background: var(--progress-fill);
  border-radius: 3px;
  transition: width 0.5s cubic-bezier(.4,0,.2,1);
}

.category-progress-text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  min-width: 40px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* Chevron */
.category-chevron {
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  flex-shrink: 0;
  transition: transform var(--transition-normal);
}

.category-card.expanded .category-chevron {
  transform: rotate(180deg);
}

/* Checklist items list */
.category-items {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-normal);
}

.category-card.expanded .category-items {
  grid-template-rows: 1fr;
}

.category-items-inner {
  overflow: hidden;
}

.items-list {
  list-style: none;
  border-top: 1px solid var(--border-primary);
}

/* Individual checklist item */
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border-secondary);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.check-item:last-child {
  border-bottom: none;
}

.check-item:hover {
  background: var(--bg-hover);
}

/* Custom checkbox */
.check-box {
  width: 20px;
  height: 20px;
  border: 1.5px solid var(--border-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--bg-secondary);
}

.check-box:hover {
  border-color: var(--accent);
}

.check-item.checked .check-box {
  background: var(--accent);
  border-color: var(--accent);
}

.check-box svg {
  width: 12px;
  height: 12px;
  color: var(--text-on-accent);
  opacity: 0;
  transform: scale(0.5);
  transition: all var(--transition-fast);
}

.check-item.checked .check-box svg {
  opacity: 1;
  transform: scale(1);
}

/* Item text */
.check-content {
  flex: 1;
  min-width: 0;
}

.check-title {
  font-size: 13.5px;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  line-height: 1.45;
}

.check-item.checked .check-title {
  color: var(--checked-text);
  text-decoration: line-through;
  text-decoration-color: var(--checked-text);
  text-decoration-thickness: 1.5px;
}

.check-description {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 2px;
  line-height: 1.4;
}

.check-item.checked .check-description {
  color: var(--checked-text);
  opacity: 0.7;
}

/* Severity tag on item */
.check-severity {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  margin-top: 2px;
  white-space: nowrap;
}

.check-severity.critical { background: var(--severity-critical-bg); color: var(--severity-critical); }
.check-severity.high { background: var(--severity-high-bg); color: var(--severity-high); }
.check-severity.medium { background: var(--severity-medium-bg); color: var(--severity-medium); }
.check-severity.low { background: var(--severity-low-bg); color: var(--severity-low); }
.check-severity.info { background: var(--severity-info-bg); color: var(--severity-info); }

/* Category reset button */
.category-reset-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: none;
  border: none;
  border-top: 1px solid var(--border-secondary);
  color: var(--text-tertiary);
  font-size: 11px;
  cursor: pointer;
  width: 100%;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.category-reset-btn:hover {
  color: var(--severity-critical);
  background: var(--severity-critical-bg);
}

.category-reset-btn svg {
  width: 12px;
  height: 12px;
}

/* ═══════════════════════════════════════════════════
   EMPTY / ZERO STATE
   ═══════════════════════════════════════════════════ */
.empty-state {
  text-align: center;
  padding: 64px 24px;
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 40px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state-text {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.empty-state-hint {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ═══════════════════════════════════════════════════
   MODAL / DIALOG
   ═══════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--modal-overlay);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl);
  padding: 28px;
  max-width: 420px;
  width: 100%;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
  transform: scale(0.95);
  transition: transform var(--transition-fast);
}

.modal-overlay.visible .modal {
  transform: scale(1);
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-text {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn-ghost {
  background: var(--bg-tertiary);
  border-color: var(--border-primary);
  color: var(--text-primary);
}

.btn-ghost:hover {
  background: var(--bg-hover);
}

.btn-danger {
  background: var(--severity-critical);
  color: #fff;
}

.btn-danger:hover {
  opacity: 0.9;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0,0,0,.15);
  z-index: 200;
  transform: translateY(20px);
  opacity: 0;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.toast-icon {
  color: var(--accent);
  flex-shrink: 0;
}

/* Hidden file input */
.hidden-input {
  display: none;
}

/* ═══════════════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════════════ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.category-card {
  animation: fadeInUp 0.35s ease both;
}

/* Staggered entrance */
.category-card:nth-child(1)  { animation-delay: 0ms; }
.category-card:nth-child(2)  { animation-delay: 30ms; }
.category-card:nth-child(3)  { animation-delay: 60ms; }
.category-card:nth-child(4)  { animation-delay: 90ms; }
.category-card:nth-child(5)  { animation-delay: 120ms; }
.category-card:nth-child(6)  { animation-delay: 150ms; }
.category-card:nth-child(7)  { animation-delay: 180ms; }
.category-card:nth-child(8)  { animation-delay: 210ms; }
.category-card:nth-child(9)  { animation-delay: 240ms; }
.category-card:nth-child(10) { animation-delay: 270ms; }

/* ═══════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════ */
@media (max-width: 1023px) {
  .sidebar {
    transform: translateX(-100%);
    width: 300px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay.open {
    display: block;
  }

  .mobile-header {
    display: flex;
  }

  .main-content {
    margin-left: 0;
    margin-top: var(--header-height);
  }

  .hero {
    padding: 32px 20px 28px;
  }

  .search-bar {
    padding: 10px 20px;
    top: 0; /* No need to offset since main already has margin-top */
  }

  .categories-container {
    padding: 16px 16px 48px;
  }

  .category-progress-area {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .hero-desc {
    font-size: 13.5px;
  }

  .search-bar {
    flex-wrap: wrap;
    gap: 8px;
  }

  .search-count {
    display: none;
  }

  .modal {
    padding: 20px;
  }

  .toast {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }
}

@media (min-width: 1024px) {
  .hamburger-btn {
    display: none;
  }
}