:root {
  color-scheme: light dark;
  font-family: "Inter", "SF Pro Text", "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  font-size: 16px;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;

  --color-bg: #f4f5ff;
  --color-bg-alt: rgba(255, 255, 255, 0.9);
  --color-surface: rgba(255, 255, 255, 0.75);
  --color-surface-elevated: rgba(255, 255, 255, 0.82);
  --color-dropdown-bg: rgb(255, 255, 255);
  --color-border: rgba(86, 106, 255, 0.2);
  --color-text: #111827;
  --color-muted: rgba(55, 65, 81, 0.78);
  --color-accent: #4f46e5;
  --color-accent-soft: rgba(79, 70, 229, 0.16);
  --color-success: #0ea5e9;
  --color-danger: #f87171;
  --shadow-soft: 0 24px 60px rgba(15, 23, 42, 0.18);
  --shadow-inner: inset 0 1px 0 rgba(255, 255, 255, 0.45);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 12px;
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --color-bg: #080b19;
  --color-bg-alt: rgba(16, 19, 37, 0.92);
  --color-surface: rgba(16, 19, 37, 0.88);
  --color-surface-elevated: rgba(24, 28, 50, 0.92);
  --color-border: rgba(129, 140, 248, 0.25);
  --color-text: #e5e7ff;
  --color-muted: rgba(199, 210, 254, 0.7);
  --color-accent: #818cf8;
  --color-accent-soft: rgba(129, 140, 248, 0.18);
  --shadow-soft: 0 24px 60px rgba(2, 6, 23, 0.6);
  --shadow-inner: inset 0 1px 0 rgba(129, 140, 248, 0.2);
  --color-dropdown-bg: rgb(16, 19, 37);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(
      circle at 10% 20%,
      rgba(129, 140, 248, 0.25),
      transparent 45%
    ),
    radial-gradient(
      circle at 90% 10%,
      rgba(56, 189, 248, 0.2),
      transparent 40%
    ),
    radial-gradient(
      circle at 50% 80%,
      rgba(79, 70, 229, 0.18),
      transparent 50%
    ),
    var(--color-bg);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  padding-bottom: clamp(0.75rem, 2vw, 1.5rem);
  position: relative;
  overflow-x: hidden;
}

.decor {
  position: absolute;
  inset: auto;
  filter: blur(60px);
  z-index: 0;
  pointer-events: none;
}

.decor--one {
  width: 440px;
  height: 440px;
  top: -120px;
  right: -160px;
  background: linear-gradient(
    125deg,
    rgba(129, 140, 248, 0.4),
    rgba(192, 132, 252, 0.28)
  );
}

.decor--two {
  width: 360px;
  height: 360px;
  bottom: -160px;
  left: -140px;
  background: linear-gradient(
    135deg,
    rgba(45, 212, 191, 0.28),
    rgba(56, 189, 248, 0.28)
  );
}

.site-header {
  width: min(1160px, 100%);
  padding: 1rem clamp(1rem, 4vw, 1.75rem);
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: calc(var(--radius-lg) - 6px);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 3vw, 2rem);
  flex-wrap: wrap;
  position: sticky;
  top: clamp(0.75rem, 2vw, 1.4rem);
  z-index: 10;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.95rem;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: var(--shadow-inner);
}

.brand-label {
  font-size: 1rem;
}

.site-header__nav {
  display: inline-flex;
  flex: 1;
  justify-content: flex-start;
  align-items: center;
  gap: clamp(0.65rem, 2vw, 1.5rem);
  flex-wrap: wrap;
}

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  transition:
    color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-base);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateY(-1px);
  outline: none;
}

.nav-link--active {
  color: var(--color-accent);
  background: rgba(79, 70, 229, 0.14);
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.16);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown__trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  border: none;
  background: transparent;
  font: inherit;
  cursor: pointer;
  transition:
    color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-base);
}

.nav-dropdown__trigger:hover,
.nav-dropdown__trigger:focus-visible {
  color: var(--color-accent);
  background: var(--color-accent-soft);
  transform: translateY(-1px);
  outline: none;
}

.nav-dropdown__trigger[aria-expanded="true"] {
  color: var(--color-accent);
  background: rgba(79, 70, 229, 0.14);
}

.nav-dropdown__trigger--active {
  color: var(--color-accent);
}

.nav-dropdown__trigger[aria-expanded="true"] .nav-dropdown__icon {
  transform: rotate(180deg);
}

.nav-dropdown__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 0.15rem;
  transition: transform var(--transition-base);
  opacity: 0.7;
}

.nav-dropdown__icon::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  transition: all var(--transition-base);
}

.nav-dropdown__trigger:hover .nav-dropdown__icon {
  opacity: 1;
}

.nav-dropdown__trigger[aria-expanded="true"] .nav-dropdown__icon::after {
  border-top-color: var(--color-accent);
}

.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(-12px) scale(0.95);
  min-width: 240px;
  background: var(--color-dropdown-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(99, 102, 241, 0.1);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 300ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1),
    visibility 300ms;
  z-index: 100;
  overflow: hidden;
}

.nav-dropdown__menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 16px;
  height: 16px;
  background: var(--color-dropdown-bg);
  border-left: 1px solid var(--color-border);
  border-top: 1px solid var(--color-border);
  z-index: -1;
}

[data-theme="dark"] .nav-dropdown__menu {
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(129, 140, 248, 0.2);
}

.nav-dropdown__trigger[aria-expanded="true"] + .nav-dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0) scale(1);
}

.nav-dropdown__item {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--color-text);
  text-decoration: none;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 0.9375rem;
  transition:
    background-color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    color 150ms cubic-bezier(0.4, 0, 0.2, 1),
    transform 150ms cubic-bezier(0.4, 0, 0.2, 1),
    box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.nav-dropdown__item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleX(0);
  width: 3px;
  height: 60%;
  background: linear-gradient(180deg, #6366f1, #8b5cf6);
  border-radius: 0 3px 3px 0;
  transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-dropdown__item:hover,
.nav-dropdown__item:focus-visible {
  background: var(--color-accent-soft);
  color: var(--color-accent);
  transform: translateX(4px);
  outline: none;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
}

.nav-dropdown__item:hover::before,
.nav-dropdown__item:focus-visible::before {
  transform: translateY(-50%) scaleX(1);
}

.nav-dropdown__item--active {
  background: linear-gradient(90deg, var(--color-accent-soft), transparent);
  color: var(--color-accent);
  font-weight: 600;
}

.nav-dropdown__item--active::before {
  transform: translateY(-50%) scaleX(1);
}

.site-header__actions {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.theme-toggle {
  border: 1px solid transparent;
  background: var(--color-accent-soft);
  color: var(--color-accent);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 1.1rem;
  cursor: pointer;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.theme-toggle:focus-visible,
.theme-toggle:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 24px rgba(79, 70, 229, 0.22);
  border-color: rgba(79, 70, 229, 0.35);
}

.theme-toggle__icon {
  line-height: 1;
  transition:
    opacity var(--transition-base),
    transform var(--transition-base);
}

[data-theme="dark"] .theme-toggle__icon--sun {
  opacity: 0;
  transform: scale(0.75) rotate(-45deg);
}

[data-theme="dark"] .theme-toggle__icon--moon {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

[data-theme="light"] .theme-toggle__icon--moon {
  opacity: 0;
  transform: scale(0.75) rotate(45deg);
}

[data-theme="light"] .theme-toggle__icon--sun {
  opacity: 1;
  transform: scale(1) rotate(0deg);
}

.theme-toggle__icon--moon {
  opacity: 0;
}

.app-shell {
  position: relative;
  width: min(1160px, 100%);
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 3vw, 2.5rem);
  z-index: 1;
}

/* Ambient particle canvas that flows across sections */
.ambient-particles {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.hero {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 5vw, 3rem);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

/* Home page hero with animated background */
.hero--home {
  position: relative;
  overflow: hidden;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(3rem, 6vw, 5rem) clamp(2rem, 5vw, 4rem);
  background: transparent;
  border: none;
  box-shadow: none;
}

[data-theme="dark"] .hero--home {
  background: transparent;
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: all;
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero__content h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.035em;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.hero__content .hero__lede {
  margin: 0 auto 2.5rem;
  max-width: 65ch;
  font-size: clamp(1.125rem, 2.2vw, 1.35rem);
  line-height: 1.7;
  color: var(--color-muted);
}

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  background: transparent;
  border-color: var(--color-text);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.2);
  color: var(--color-text);
}

.landing-hero {
  text-align: left;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.28em;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 0.75rem;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4vw, 2.95rem);
  letter-spacing: -0.025em;
}

.hero__lede {
  margin-top: 0.85rem;
  margin-bottom: 0;
  color: var(--color-muted);
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.6;
  max-width: 50ch;
}

.hero > div {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2.5vw, 1.2rem);
}

.hero__highlights {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.hero__highlights li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem 0.85rem;
  border-radius: var(--radius-sm);
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-inner);
  font-weight: 500;
  line-height: 1.55;
}

.hero__highlights li::before {
  content: "";
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 0.35rem;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}

.landing-panel {
  gap: clamp(1rem, 3vw, 1.5rem);
}

.utility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
}

.utility-card {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: clamp(0.85rem, 2vw, 1.25rem);
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.utility-card::after {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 82%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.6), transparent);
  opacity: 0.7;
}

.utility-card__title {
  margin: 0;
  font-size: clamp(1.3rem, 2vw, 1.6rem);
  letter-spacing: -0.015em;
}

.utility-card__summary {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.55;
}

.utility-card__highlights {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.utility-card__highlights li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-muted);
  line-height: 1.55;
}

.utility-card__highlights li::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 0.3rem;
  background: linear-gradient(135deg, #6366f1, #9d5cf5);
  box-shadow: 0 8px 20px rgba(99, 102, 241, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

[data-theme="dark"] .hero__highlights li::before,
[data-theme="dark"] .utility-card__highlights li::before {
  border-color: rgba(129, 140, 248, 0.45);
  box-shadow: 0 12px 28px rgba(37, 56, 147, 0.45);
}

.utility-card__actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
}

.workspace--regex {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.panel {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.panel__subtitle {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.96rem;
  line-height: 1.55;
}

.panel__field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  font-size: 0.95rem;
  line-height: 1.5;
}

.panel__field h3 {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.panel__field textarea,
.panel__field select,
.panel__field input[type="text"],
.panel__field input[type="password"],
.panel__field input[type="number"] {
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  font: inherit;
  background: var(--color-bg-alt);
  color: inherit;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
  line-height: 1.5;
}

.panel__field textarea:focus,
.panel__field select:focus,
.panel__field input[type="text"]:focus,
.panel__field input[type="password"]:focus,
.panel__field input[type="number"]:focus {
  outline: none;
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

.panel__field textarea[readonly] {
  cursor: text;
  background: rgba(79, 70, 229, 0.05);
}

.panel__field select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

[data-theme="dark"] .panel__field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23999' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
}

.panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.panel__heading {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.panel--tool {
  gap: var(--space-4);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: clamp(1.25rem, 3vw, 2rem);
}

.dropzone {
  position: relative;
  border: 2px dashed rgba(99, 102, 241, 0.4);
  border-radius: var(--radius-md);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  text-align: center;
  background: rgba(79, 70, 229, 0.05);
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    transform var(--transition-base);
}

.dropzone:hover,
.dropzone:focus-visible,
.dropzone--active {
  outline: none;
  border-color: rgba(79, 70, 229, 0.65);
  background: rgba(79, 70, 229, 0.09);
  transform: translateY(-1px);
}

.dropzone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.dropzone__content {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: center;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.dropzone__icon {
  font-size: 2rem;
}

.dropzone__cta {
  color: var(--color-accent);
  font-weight: 600;
}

.status {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.status[data-state="success"] {
  color: var(--color-success);
}

.status[data-state="error"] {
  color: var(--color-danger);
}

.status[data-state="info"] {
  color: var(--color-muted);
}

.panel-feedback {
  display: none;
  margin-top: 0.65rem;
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(248, 113, 113, 0.4);
  background: rgba(248, 113, 113, 0.12);
  color: var(--color-danger);
  font-weight: 600;
}

.panel-feedback[data-visible="true"] {
  display: block;
}

[data-theme="dark"] .panel-feedback {
  background: rgba(248, 113, 113, 0.18);
  border-color: rgba(248, 113, 113, 0.45);
}

.preview-card {
  display: grid;
  grid-template-columns: minmax(0, 120px) 1fr;
  gap: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--color-surface-elevated);
}

.preview-card img {
  width: 100%;
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: var(--shadow-inner);
  display: none;
}

.preview-card__meta {
  font-size: 0.9rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.decode-preview {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
  padding: 1rem;
  display: flex;
  justify-content: center;
  align-items: center;
}

.decode-preview img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-inner);
  display: none;
}

.preview-card img.is-visible,
.decode-preview img.is-visible {
  display: block;
}

.panel__header h2 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

.panel__controls {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.panel__mode {
  display: inline-flex;
  flex-direction: column;
  gap: 0.4rem;
  color: var(--color-muted);
  font-size: 0.85rem;
}

.panel__mode-label {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-muted);
}

.input-select {
  appearance: none;
  border: 1px solid rgba(99, 102, 241, 0.35);
  border-radius: 999px;
  background: var(--color-surface);
  color: inherit;
  padding: 0.55rem 2.5rem 0.55rem 1.1rem;
  font: inherit;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.25),
    0 8px 20px rgba(99, 102, 241, 0.18);
  background-image: linear-gradient(
    135deg,
    rgba(99, 102, 241, 0.12),
    rgba(79, 70, 229, 0.24)
  );
  position: relative;
}

.input-select:focus {
  outline: none;
  border-color: rgba(79, 70, 229, 0.55);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.18);
}

[data-theme="dark"] .input-select {
  background-image: linear-gradient(
    135deg,
    rgba(129, 140, 248, 0.18),
    rgba(99, 102, 241, 0.28)
  );
  box-shadow:
    inset 0 1px 0 rgba(129, 140, 248, 0.25),
    0 10px 24px rgba(15, 23, 42, 0.45);
}

.last-updated {
  color: var(--color-muted);
  font-size: 0.95rem;
  white-space: nowrap;
}

textarea {
  width: 100%;
  min-height: min(14rem, 45vh);
  resize: vertical;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: clamp(1rem, 2vw, 1.25rem);
  font: inherit;
  line-height: 1.65;
  background: var(--color-bg-alt);
  color: inherit;
  box-shadow: inset 0 2px 8px rgba(15, 23, 42, 0.04);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

textarea:focus {
  outline: none;
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

textarea::placeholder {
  color: rgba(148, 163, 184, 0.7);
}

.panel__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.button-group {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.status--success {
  color: var(--color-success);
}

.status--error {
  color: var(--color-danger);
}

.badge-group {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.badge--soft {
  background: var(--color-accent-soft);
  color: var(--color-accent);
}

.flag-toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  border: 1px dashed rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  background: rgba(99, 102, 241, 0.06);
}

.flag-toggle-group__label {
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin: 0;
  width: 100%;
}

.flag-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--color-surface);
  border: 1px solid rgba(99, 102, 241, 0.22);
  font-size: 0.85rem;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    border-color var(--transition-base);
}

.flag-toggle input {
  accent-color: var(--color-accent);
}

.flag-toggle input {
  margin: 0;
}

.flag-toggle:hover,
.flag-toggle:focus-within {
  transform: translateY(-1px);
  border-color: rgba(99, 102, 241, 0.45);
  box-shadow: 0 12px 24px rgba(99, 102, 241, 0.15);
}

.flag-toggle code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.85rem;
}

.btn {
  border: none;
  border-radius: 999px;
  padding: 0.65rem 1.5rem;
  font: inherit;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  cursor: pointer;
  color: white;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  box-shadow: 0 16px 40px rgba(79, 70, 229, 0.28);
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    filter var(--transition-base);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1.5px);
  box-shadow: 0 20px 50px rgba(99, 102, 241, 0.32);
  filter: brightness(1.02);
}

.btn:active {
  transform: translateY(0);
}

.btn[data-state="success"] {
  background: linear-gradient(
    135deg,
    rgba(14, 165, 233, 0.94),
    rgba(56, 189, 248, 0.94)
  );
  box-shadow: 0 18px 44px rgba(14, 165, 233, 0.3);
}

.btn[data-state="error"] {
  background: linear-gradient(
    135deg,
    rgba(248, 113, 113, 0.94),
    rgba(249, 115, 128, 0.94)
  );
  box-shadow: 0 18px 44px rgba(248, 113, 113, 0.3);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid rgba(99, 102, 241, 0.35);
  box-shadow: none;
  padding: 0.6rem 1.4rem;
}

.btn--ghost[data-state="success"],
.btn--ghost[data-state="error"] {
  color: white;
  border-color: transparent;
}

.btn--ghost:not([data-state="success"]):not([data-state="error"]) {
  color: var(--color-accent);
  border-color: rgba(99, 102, 241, 0.35);
}

mark.match-highlight {
  background: rgba(129, 140, 248, 0.3);
  color: inherit;
  border-radius: 6px;
  padding: 0 0.2rem;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.25);
}

[data-theme="dark"] mark.match-highlight {
  background: rgba(99, 102, 241, 0.35);
  box-shadow: inset 0 0 0 1px rgba(129, 140, 248, 0.4);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.stat-card {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: "";
  position: absolute;
  inset: auto auto 0 0;
  width: 80%;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.6), transparent);
  opacity: 0.6;
}

.stat-card--accent {
  background: linear-gradient(
    160deg,
    rgba(99, 102, 241, 0.15),
    rgba(236, 233, 254, 0.6)
  );
  border-color: rgba(99, 102, 241, 0.4);
}

.stat-card h3 {
  margin: 0;
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

.stat-primary {
  margin: 0;
  font-size: clamp(1.75rem, 3vw, 2.3rem);
  font-weight: 700;
}

.stat-card small {
  color: var(--color-muted);
  font-size: 0.85rem;
  max-width: 32ch;
}

.match-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.match-summary__item {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.match-summary__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

.match-summary__value {
  font-size: 1.05rem;
  font-weight: 600;
}

.regex-output {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.regex-output__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.regex-output__header h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.regex-output__preview {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.65;
  color: inherit;
}

.match-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.match-list__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-elevated);
  padding: 0.9rem;
  display: grid;
  gap: 0.5rem;
}

.match-list__header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: baseline;
}

.match-list__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
}

.match-list__meta {
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.match-list__code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  background: rgba(129, 140, 248, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.25);
  margin: 0;
}

.match-list__groups {
  margin: 0;
  padding-left: 1rem;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.regex-replacement {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  display: grid;
  gap: 0.75rem;
}

.regex-replacement__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.regex-replacement__header h3 {
  margin: 0;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.regex-replacement__output {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  line-height: 1.65;
  color: inherit;
}

.panel--summary pre {
  margin: 0;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  padding: 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(99, 102, 241, 0.26);
  background: rgba(99, 102, 241, 0.08);
  color: inherit;
  max-height: 14rem;
  overflow: auto;
  line-height: 1.6;
}

.panel__footer--informational {
  font-size: 0.9rem;
  color: var(--color-muted);
}

.site-footer {
  margin-top: clamp(2rem, 6vw, 3rem);
  padding-bottom: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  text-align: center;
  z-index: 1;
}

.site-footer__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
}

.site-footer__actions {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
}

.footer-link {
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base),
    color var(--transition-base);
}

.footer-link:hover,
.footer-link:focus-visible {
  transform: translateY(-1px);
  background: var(--color-accent-soft);
  box-shadow: 0 12px 26px rgba(99, 102, 241, 0.18);
  outline: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 960px) {
  .site-header {
    justify-content: center;
    text-align: center;
    gap: 1rem;
  }

  .site-header__nav {
    order: 3;
    flex-basis: 100%;
    justify-content: center;
  }

  .site-header__actions {
    justify-content: center;
  }

  .nav-dropdown__menu {
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
  }

  .nav-dropdown__trigger[aria-expanded="true"] + .nav-dropdown__menu {
    transform: translateX(-50%) translateY(0);
  }

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

@media (max-width: 720px) {
  .utility-card__actions {
    width: 100%;
  }

  .utility-card__actions .btn,
  .utility-card__actions .btn--ghost {
    flex: 1;
    text-align: center;
    justify-content: center;
  }

  body {
    padding: 0.75rem;
  }

  .site-header {
    position: static;
    margin-bottom: 1.5rem;
  }

  .theme-toggle {
    justify-content: center;
  }

  .panel {
    padding: 1.25rem;
  }

  .hero__highlights li {
    font-size: 0.95rem;
  }
}

input[type="color"] {
  width: 100%;
  height: 120px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--color-bg-alt);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

input[type="color"]:hover {
  border-color: rgba(79, 70, 229, 0.45);
  transform: translateY(-1px);
}

input[type="color"]:focus {
  outline: none;
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

.color-preview {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
}

.color-preview__swatch {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.color-preview__info {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.color-preview__label {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.color-preview__value {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

.custom-color-picker {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.color-picker-main {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border);
}

.color-picker-main canvas {
  display: block;
  cursor: crosshair;
  width: 100%;
  height: auto;
}

.color-selector {
  position: absolute;
  width: 20px;
  height: 20px;
  border: 3px solid white;
  border-radius: 50%;
  box-shadow:
    0 0 0 1.5px rgba(0, 0, 0, 0.3),
    0 4px 12px rgba(0, 0, 0, 0.4),
    inset 0 0 0 1.5px rgba(255, 255, 255, 0.3);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: transform 0.05s ease-out;
}

.color-selector::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 2px solid transparent;
}

.color-selector:active {
  transform: translate(-50%, -50%) scale(1.15);
}

.color-picker-hue {
  position: relative;
  border-radius: 999px;
  overflow: hidden;
  box-shadow:
    inset 0 1px 3px rgba(0, 0, 0, 0.2),
    0 2px 8px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
}

.color-picker-hue canvas {
  display: block;
  cursor: pointer;
  width: 100%;
  height: auto;
}

.hue-selector {
  position: absolute;
  top: 50%;
  width: 4px;
  height: 28px;
  background: white;
  border-radius: 2px;
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.4);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: transform 0.05s ease-out;
}

.hue-selector::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -3px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 4px solid white;
  transform: translateX(-50%);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

.hue-selector::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -3px;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid white;
  transform: translateX(-50%);
  filter: drop-shadow(0 -1px 2px rgba(0, 0, 0, 0.3));
}

.previous-colors {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
}

.previous-colors__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.previous-colors__header h3 {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.btn--small {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  min-height: auto;
  height: auto;
}

#color-history {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(40px, 1fr));
  gap: 0.5rem;
  min-height: 48px;
}

#color-history.empty {
  display: flex;
  align-items: center;
  justify-content: center;
}

#color-history.empty p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  font-style: italic;
}

.color-swatch {
  aspect-ratio: 1;
  border-radius: var(--radius-sm);
  border: 2px solid var(--color-border);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 
    inset 0 1px 2px rgba(255, 255, 255, 0.1),
    0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.color-swatch::before {
  content: "";
  position: absolute;
  inset: 0;
  background: inherit;
  transition: transform 0.2s ease;
}

.color-swatch:hover {
  border-color: rgba(129, 140, 248, 0.5);
  transform: translateY(-2px);
  box-shadow: 
    inset 0 1px 2px rgba(255, 255, 255, 0.2),
    0 4px 12px rgba(0, 0, 0, 0.2),
    0 0 0 2px rgba(129, 140, 248, 0.2);
}

.color-swatch:active {
  transform: translateY(0);
  box-shadow: 
    inset 0 1px 2px rgba(255, 255, 255, 0.1),
    0 2px 4px rgba(0, 0, 0, 0.15);
}

.format-list {
  display: grid;
  gap: 1rem;
}

.format-item {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-elevated);
}

.format-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.format-item__header h3 {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.format-item code {
  font-family: "JetBrains Mono", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.95rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  background: rgba(129, 140, 248, 0.12);
  border: 1px solid rgba(129, 140, 248, 0.25);
  display: block;
  word-break: break-all;
}

.timestamp-preview {
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
}

.timestamp-preview__info {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.timestamp-preview__label {
  margin: 0;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.timestamp-preview__value {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
}

.timestamp-preview__relative {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
  font-style: italic;
}

input[type="date"],
input[type="time"] {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 0.75rem 1rem;
  font: inherit;
  font-size: 1rem;
  background: var(--color-bg-alt);
  color: inherit;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
  cursor: pointer;
}

input[type="date"]:hover,
input[type="time"]:hover {
  border-color: rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

input[type="date"]:focus,
input[type="time"]:focus {
  outline: none;
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.16);
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  border-radius: 4px;
  padding: 4px;
  transition:
    background-color var(--transition-base),
    opacity var(--transition-base);
  filter: brightness(0) saturate(100%) invert(27%) sepia(51%) saturate(2878%) hue-rotate(227deg) brightness(104%) contrast(97%);
  opacity: 0.8;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover {
  background-color: var(--color-accent-soft);
  opacity: 1;
}

[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator,
[data-theme="dark"] input[type="time"]::-webkit-calendar-picker-indicator {
  filter: brightness(0) saturate(100%) invert(100%);
  opacity: 0.85;
}

[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator:hover,
[data-theme="dark"] input[type="time"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

/* Text Diff Styles */
.diff-viewer {
  font-family: "SF Mono", "Monaco", "Courier New", monospace;
  font-size: 0.9rem;
  line-height: 1.6;
  overflow-x: auto;
  padding: var(--space-3);
  background: var(--color-bg-alt);
  border-radius: var(--radius-sm);
  min-height: 200px;
}

.diff-empty {
  color: var(--color-muted);
  text-align: center;
  padding: var(--space-5);
  font-style: italic;
}

.diff-unified {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.diff-line {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: var(--space-3);
  padding: var(--space-1) var(--space-2);
  margin: 0;
  border-left: 3px solid transparent;
  transition: background-color var(--transition-base);
}

.diff-line:hover {
  background: var(--color-accent-soft);
}

.diff-line-num {
  color: var(--color-muted);
  text-align: right;
  user-select: none;
  font-variant-numeric: tabular-nums;
}

.diff-line-content {
  white-space: pre-wrap;
  word-break: break-all;
}

.diff-line--equal {
  border-left-color: transparent;
}

.diff-line--add {
  background: rgba(34, 197, 94, 0.12);
  border-left-color: #22c55e;
}

.diff-line--add .diff-line-num {
  color: #16a34a;
}

[data-theme="dark"] .diff-line--add {
  background: rgba(34, 197, 94, 0.15);
}

[data-theme="dark"] .diff-line--add .diff-line-num {
  color: #4ade80;
}

.diff-line--remove {
  background: rgba(239, 68, 68, 0.12);
  border-left-color: #ef4444;
}

.diff-line--remove .diff-line-num {
  color: #dc2626;
}

[data-theme="dark"] .diff-line--remove {
  background: rgba(239, 68, 68, 0.15);
}

[data-theme="dark"] .diff-line--remove .diff-line-num {
  color: #f87171;
}

.diff-char-add {
  background: rgba(34, 197, 94, 0.3);
  border-radius: 3px;
  padding: 0 2px;
}

[data-theme="dark"] .diff-char-add {
  background: rgba(34, 197, 94, 0.35);
}

.diff-char-remove {
  background: rgba(239, 68, 68, 0.3);
  border-radius: 3px;
  padding: 0 2px;
  text-decoration: line-through;
}

[data-theme="dark"] .diff-char-remove {
  background: rgba(239, 68, 68, 0.35);
}

.diff-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  min-height: 400px;
}

.diff-split-pane {
  display: flex;
  flex-direction: column;
  overflow-x: auto;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.diff-split-header {
  padding: var(--space-2) var(--space-3);
  font-weight: 600;
  background: var(--color-surface-elevated);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1;
}

.diff-line--empty {
  background: var(--color-surface);
  opacity: 0.5;
  min-height: 2rem;
}

.panel__header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 768px) {
  .diff-split {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .diff-line {
    grid-template-columns: 2.5rem 1fr;
    gap: var(--space-2);
  }

  .panel__header-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }
}

/* QR Code Preview Styles */
.qr-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 350px;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-elevated);
}

.qr-preview__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  color: var(--color-muted);
  text-align: center;
}

.qr-preview__placeholder svg {
  opacity: 0.4;
}

.qr-preview__placeholder p {
  margin: 0;
  font-size: 0.95rem;
  font-style: italic;
}

.qr-preview canvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
}

/* Password Generator Specific Styles */
.field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.password-output-item {
  margin-bottom: 1rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.password-output-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.password-code {
  flex: 1;
  word-break: break-all;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.95rem;
}

.password-copy-btn {
  white-space: nowrap;
}

/* FAQ Styles */
.faq-grid {
  display: grid;
  gap: 1rem;
}

.faq-item {
  background: var(--color-surface-elevated);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 0;
  overflow: hidden;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.faq-item:hover {
  border-color: rgba(79, 70, 229, 0.35);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.12);
}

.faq-item[open] {
  border-color: rgba(79, 70, 229, 0.45);
  box-shadow: 0 8px 20px rgba(79, 70, 229, 0.18);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  color: var(--color-text);
  transition: color var(--transition-base);
  user-select: none;
}

.faq-item__question::-webkit-details-marker {
  display: none;
}

.faq-item__question::after {
  content: "+";
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.faq-item[open] .faq-item__question::after {
  transform: rotate(45deg);
}

.faq-item__question:hover {
  color: var(--color-accent);
}

.faq-item__answer {
  padding: 0 1.5rem 1.25rem 1.5rem;
  margin: 0;
  color: var(--color-muted);
  line-height: 1.65;
  font-size: 0.98rem;
}

/* Hero Card Fade-In Animations */
@keyframes heroFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroFadeInScale {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes heroGlowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
  }
  50% {
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
  }
}

.hero {
  animation: heroFadeInScale 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.hero .eyebrow,
.hero .badge--new {
  opacity: 0;
  animation: heroFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) 0.1s both;
}

.hero h1,
.hero__content h1 {
  opacity: 0;
  animation: heroFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s both;
}

.hero .hero__lede,
.hero__content .hero__lede {
  opacity: 0;
  animation: heroFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.35s both;
}

.hero .hero__cta {
  opacity: 0;
  animation: heroFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.5s both;
}

.hero__highlights {
  opacity: 0;
  animation: heroFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.45s both;
}

.hero__highlights li {
  opacity: 0;
  animation: heroFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.hero__highlights li:nth-child(1) {
  animation-delay: 0.5s;
}

.hero__highlights li:nth-child(2) {
  animation-delay: 0.6s;
}

.hero__highlights li:nth-child(3) {
  animation-delay: 0.7s;
}

.hero__highlights li:nth-child(4) {
  animation-delay: 0.8s;
}

.hero__highlights li:nth-child(5) {
  animation-delay: 0.9s;
}

/* Utility cards fade-in */
.utility-card {
  opacity: 0;
  animation: heroFadeInScale 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.utility-card:nth-child(1) {
  animation-delay: 0.1s;
}

.utility-card:nth-child(2) {
  animation-delay: 0.2s;
}

.utility-card:nth-child(3) {
  animation-delay: 0.3s;
}

.utility-card:nth-child(4) {
  animation-delay: 0.4s;
}

.utility-card:nth-child(5) {
  animation-delay: 0.5s;
}

.utility-card:nth-child(6) {
  animation-delay: 0.6s;
}

/* Panel fade-in for tool pages */
.panel--tool {
  opacity: 0;
  animation: heroFadeInScale 0.7s cubic-bezier(0.4, 0, 0.2, 1) 0.3s both;
}

.panel--tool:nth-child(2) {
  animation-delay: 0.45s;
}

/* Landing panel fade-in */
.landing-panel {
  opacity: 0;
  animation: heroFadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s both;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  /* Ensure content is visible for reduced motion */
  .hero,
  .hero .eyebrow,
  .hero .badge--new,
  .hero h1,
  .hero__content h1,
  .hero .hero__lede,
  .hero__content .hero__lede,
  .hero .hero__cta,
  .hero__highlights,
  .hero__highlights li,
  .utility-card,
  .panel--tool,
  .landing-panel {
    opacity: 1 !important;
    transform: none !important;
  }
}