@import url("https://fonts.googleapis.com/css2?family=Figtree:wght@400;500;600&display=swap");

:root {
  --color-bg: #f4f4f2;
  --color-bg-hero: #f0f4f2;
  --color-card: #ffffff;
  --color-border: #e5e7e3;
  --color-text-primary: #161616;
  --color-text-secondary: #707070;
  --color-accent: #1f6b57;
  --color-accent-hover: #174f42;
  --color-accent-light: #eff5f1;
  --color-hero-label: #2a7a62;
  --color-footer-bg: #262624;
  --color-footer-text: #a8a8a6;
  --color-footer-divider: rgba(255, 255, 255, 0.08);
  --color-nav-bg: #ffffff;
  --color-white: #ffffff;
  --color-shadow: rgba(0, 0, 0, 0.08);
  --color-focus-ring: rgba(31, 107, 87, 0.1);
  --color-search-icon: #ffffff;
  --color-card-border: #e8e8e5;
  --color-card-shadow-subtle: rgba(0, 0, 0, 0.06);
  --shadow-card-rest: 0 0.0625rem 0.1875rem var(--color-card-shadow-subtle);
  --shadow-card: 0 0.25rem 0.75rem var(--color-shadow);
  --shadow-focus: 0 0 0 0.1875rem var(--color-focus-ring);

  --font-size-hero: 3.625rem;
  --font-size-hero-mobile: 2.25rem;
  --font-size-hero-subtitle: 1.125rem;
  --line-height-hero: 1.1;
  --font-size-h2: 1.75rem;
  --font-size-section-title: 2rem;
  --font-size-h3: 1.25rem;
  --font-size-card-title: 0.9375rem;
  --font-size-body: 0.9375rem;
  --font-size-small: 0.8125rem;
  --font-size-nav: 0.875rem;
  --font-size-label: 0.8125rem;
  --font-size-badge: 0.6875rem;
  --font-size-footer-logo: 1.125rem;
  --font-size-footer-col-title: 0.75rem;
  --font-size-footer-copy: 0.75rem;
  --font-size-tool-desc: 0.8125rem;
  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-snug: 1.5;

  --section-padding: 6.25rem;
  --hero-padding-top: 6.25rem;
  --hero-padding-bottom: 6.25rem;
  --container-width: 72.5rem;
  --container-padding: 1.5rem;
  --category-card-padding: 1.75rem;
  --tool-card-padding: 1.5rem 1.75rem;
  --grid-gap: 1.25rem;
  --border-radius-card: 0.75rem;
  --border-radius-btn: 0.5rem;
  --border-radius-nav-cta: 0.375rem;
  --nav-cta-padding: 0.5625rem 1.25rem;
  --border-radius-icon: 0.5rem;
  --border-radius-search-input: 0.625rem;
  --border-radius-search-btn: 0.4375rem;
  --border-radius-badge: 1.25rem;

  --font-family-base: "Figtree", sans-serif;

  --transition-duration: 0.2s;
  --transition-easing: ease;
  --transition-base: var(--transition-duration) var(--transition-easing);

  --nav-sticky-z: 100;
  --nav-mobile-z: 99;
  --select-chevron-url: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23707070' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
}

html {
  scroll-behavior: smooth;
}

body {
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
  background: var(--color-bg);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.nav {
  position: sticky;
  top: 0;
  background: var(--color-nav-bg);
  border-bottom: 0.0625rem solid var(--color-border);
  z-index: var(--nav-sticky-z);
  height: 4rem;
  display: flex;
  align-items: center;
}

.nav-inner {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.3125rem;
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

.nav-logo:hover {
  color: var(--color-accent-hover);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.nav-links a {
  font-size: var(--font-size-nav);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding-bottom: 0.125rem;
  border-bottom: 0.125rem solid transparent;
  transition:
    color var(--transition-base),
    border-color var(--transition-base);
}

.nav-links a:hover {
  color: var(--color-text-primary);
  border-bottom-color: var(--color-accent);
}

.nav-cta {
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--font-size-nav);
  font-weight: 500;
  padding: var(--nav-cta-padding);
  border-radius: var(--border-radius-nav-cta);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-base);
  font-family: var(--font-family-base);
}

.nav-cta:hover {
  background: var(--color-accent-hover);
}

.nav-mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text-primary);
  line-height: 0;
  transition: color var(--transition-base);
}

.nav-mobile-toggle:hover {
  color: var(--color-accent);
}

.hero {
  background: var(--color-bg-hero);
  padding: var(--hero-padding-top) 0 var(--hero-padding-bottom);
}

.hero-content {
  max-width: 42.5rem;
  margin: 0 auto;
  text-align: center;
}

.hero-label {
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--color-hero-label);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 600;
  line-height: var(--line-height-hero);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin: 0 0 1.25rem;
}

.hero-subtitle {
  font-size: var(--font-size-hero-subtitle);
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin: 0 auto 2.5rem;
  max-width: 32.5rem;
}

.hero-search {
  position: relative;
  max-width: 30rem;
  margin: 0 auto;
}

.hero-search input {
  width: 100%;
  height: 3rem;
  padding: 0 3rem 0 1rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-search-input);
  font-size: var(--font-size-body);
  font-family: var(--font-family-base);
  background: var(--color-white);
  color: var(--color-text-primary);
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.hero-search input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.hero-search button {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-accent);
  border: none;
  border-radius: var(--border-radius-search-btn);
  width: 2rem;
  height: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-base);
}

.hero-search button:hover {
  background: var(--color-accent-hover);
}

.hero-search button svg {
  width: 1rem;
  height: 1rem;
  stroke: var(--color-search-icon);
  fill: none;
  stroke-width: 2;
}

.section {
  padding: var(--section-padding) 0;
  background: var(--color-bg);
}

.section + .section {
  padding-top: 0;
}

.section-divider {
  border: none;
  height: 0.0625rem;
  margin: 0;
  background: var(--color-border);
  width: 100%;
}

.section-header {
  margin-bottom: 2.5rem;
  text-align: left;
}

.section-title {
  font-size: var(--font-size-section-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.5rem;
  text-align: left;
}

.section.section--leading {
  padding-top: var(--section-padding);
}

.section.section--white {
  background: var(--color-white);
}

.section-subtitle {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  font-weight: 400;
  margin: 0;
  text-align: left;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.category-card,
.tool-card {
  background: var(--color-card);
  border: 0.0625rem solid var(--color-card-border);
  border-radius: var(--border-radius-card);
  cursor: pointer;
  text-decoration: none;
  display: block;
  box-shadow: var(--shadow-card-rest);
  transition: all 0.18s ease;
}

.category-card {
  padding: var(--category-card-padding);
}

.tool-card {
  padding: var(--tool-card-padding);
}

.category-card:hover,
.tool-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card);
  transform: translateY(-0.125rem);
}

.category-icon {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.875rem;
}

.category-icon svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: var(--color-accent);
  stroke-width: 1.75;
  fill: none;
}

.category-name {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.375rem;
}

.category-desc {
  font-size: var(--font-size-tool-desc);
  color: var(--color-text-secondary);
  line-height: var(--line-height-snug);
  margin: 0;
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--grid-gap);
}

.tool-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--border-radius-icon);
  background: var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
}

.tool-icon svg {
  width: 1.125rem;
  height: 1.125rem;
  stroke: var(--color-accent);
  stroke-width: 1.75;
  fill: none;
}

.tool-name {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.375rem;
}

.tool-desc {
  font-size: var(--font-size-tool-desc);
  color: var(--color-text-secondary);
  line-height: var(--line-height-snug);
  margin: 0;
}

.tool-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: var(--font-size-tool-desc);
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s;
}

.tool-link::after {
  content: " →";
}

.tool-link:hover {
  color: var(--color-accent-hover);
}

.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
  font-size: var(--font-size-nav);
  font-weight: 500;
  padding: 0.625rem 1.375rem;
  border-radius: var(--border-radius-btn);
  border: none;
  cursor: pointer;
  font-family: var(--font-family-base);
  transition: background-color var(--transition-base);
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  font-size: var(--font-size-nav);
  font-weight: 500;
  padding: 0.625rem 1.375rem;
  border-radius: var(--border-radius-btn);
  border: 0.0625rem solid var(--color-border);
  cursor: pointer;
  font-family: var(--font-family-base);
  transition:
    border-color var(--transition-base),
    color var(--transition-base);
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.badge {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 500;
  padding: 0.1875rem 0.625rem;
  border-radius: var(--border-radius-badge);
}

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

.footer {
  background: var(--color-footer-bg);
  padding: 4rem 0 2.5rem;
}

.footer-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand .footer-logo {
  font-size: var(--font-size-footer-logo);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-brand .footer-logo:hover {
  color: var(--color-accent-hover);
}

.footer-tagline {
  font-size: var(--font-size-small);
  color: var(--color-footer-text);
  margin-top: 0.625rem;
  line-height: 1.7;
}

.footer-col-title {
  font-size: var(--font-size-footer-col-title);
  font-weight: 600;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin: 0 0 0.875rem;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.625rem;
}

.footer-links a {
  font-size: var(--font-size-small);
  color: var(--color-footer-text);
  text-decoration: none;
  transition: color var(--transition-base);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-bottom {
  max-width: var(--container-width);
  margin: 3rem auto 0;
  padding: 1.5rem var(--container-padding) 0;
  border-top: 0.0625rem solid var(--color-footer-divider);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-copy {
  font-size: var(--font-size-footer-copy);
  color: var(--color-footer-text);
}

.tool-page {
  padding: 3rem 0;
}

.tool-page-header {
  margin-bottom: 2rem;
}

.tool-breadcrumb {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
}

.tool-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-base);
}

.tool-breadcrumb a:hover {
  color: var(--color-accent-hover);
}

.tool-page-title {
  font-size: var(--font-size-h2);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.5rem;
}

.tool-page-desc {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  margin: 0;
}

.tool-container {
  background: var(--color-card);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: var(--font-size-label);
  font-weight: 500;
  color: var(--color-text-primary);
  margin-bottom: 0.375rem;
}

.form-input {
  width: 100%;
  height: 2.75rem;
  padding: 0 0.875rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  font-size: var(--font-size-body);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-white);
  outline: none;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.form-input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.form-textarea {
  width: 100%;
  min-height: 7.5rem;
  height: auto;
  padding: 0.75rem 0.875rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  font-size: var(--font-size-body);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background: var(--color-white);
  outline: none;
  resize: vertical;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.form-textarea:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.form-select {
  width: 100%;
  height: 2.75rem;
  padding: 0 2.5rem 0 0.875rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  font-size: var(--font-size-body);
  font-family: var(--font-family-base);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  background-image: var(--select-chevron-url);
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  outline: none;
  appearance: none;
  cursor: pointer;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.form-range {
  width: 100%;
  accent-color: var(--color-accent);
}

.form-checkbox {
  accent-color: var(--color-accent);
  width: 1rem;
  height: 1rem;
  cursor: pointer;
}

.result-box {
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  padding: 1rem;
  font-size: var(--font-size-body);
  margin-top: 0.5rem;
  min-height: 3rem;
}

.text-accent {
  color: var(--color-accent);
}

.text-muted {
  color: var(--color-text-secondary);
}

.text-small {
  font-size: var(--font-size-small);
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.mt-4 {
  margin-top: 0.25rem;
}

.mt-8 {
  margin-top: 0.5rem;
}

.mt-12 {
  margin-top: 0.75rem;
}

.mt-16 {
  margin-top: 1rem;
}

.mt-20 {
  margin-top: 1.25rem;
}

.mt-24 {
  margin-top: 1.5rem;
}

.mt-28 {
  margin-top: 1.75rem;
}

.mt-32 {
  margin-top: 2rem;
}

.mt-36 {
  margin-top: 2.25rem;
}

.mt-40 {
  margin-top: 2.5rem;
}

.mt-44 {
  margin-top: 2.75rem;
}

.mt-48 {
  margin-top: 3rem;
}

.mb-8 {
  margin-bottom: 0.5rem;
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
}

.gap-8 {
  gap: 0.5rem;
}

.w-full {
  width: 100%;
}

.hidden {
  display: none;
}

/* =============================================
   Notice boxes (warning / info)
   ============================================= */

.notice-box {
  border-radius: var(--border-radius-card);
  padding: 0.875rem 1.125rem;
  margin-bottom: 1rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: var(--font-size-small);
  line-height: var(--line-height-normal);
  border-width: 0.0625rem;
  border-style: solid;
}

.notice-warning {
  background: #fffbeb;
  border-color: #f59e0b;
  color: #78350f;
}

.notice-info {
  background: #eff6ff;
  border-color: #3b82f6;
  color: #1e3a8a;
}

.notice-box p {
  margin: 0;
}

.notice-icon {
  flex-shrink: 0;
  line-height: 0;
  margin-top: 0.125rem;
}

.notice-icon svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke-width: 2;
}

.notice-warning .notice-icon {
  color: #f59e0b;
}

.notice-info .notice-icon {
  color: #3b82f6;
}

/* =============================================
   Calculator sections
   ============================================= */

.calc-section {
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  border-top: 0.0625rem solid var(--color-border);
}

.calc-section-title {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.calc-section-title svg {
  width: 1rem;
  height: 1rem;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.75;
  flex-shrink: 0;
}

.calc-section-note {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: -0.25rem 0 1rem;
  line-height: var(--line-height-normal);
}

/* =============================================
   Input with unit selector
   ============================================= */

.input-with-unit {
  display: flex;
  gap: 0.5rem;
}

.input-with-unit .form-input {
  flex: 1;
  min-width: 0;
}

.input-with-unit .form-select {
  width: auto;
  min-width: 7rem;
  flex-shrink: 0;
}

/* =============================================
   Auto-calculated display rows
   ============================================= */

.auto-display {
  background: var(--color-accent-light);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  padding: 0.5rem 0.875rem;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.auto-display + .auto-display {
  margin-top: 0.5rem;
}

.auto-display strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* =============================================
   Two-column form grid
   ============================================= */

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1.25rem;
}

/* =============================================
   Nisaab info card
   ============================================= */

.nisaab-card {
  background: #ffffff;
  border: 0.0625rem solid var(--color-border);
  border-left: 0.25rem solid var(--color-accent);
  border-radius: var(--border-radius-card);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0;
}

.nisaab-card-title {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 0.625rem;
}

.nisaab-card p {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: 0 0 0.5rem;
  line-height: var(--line-height-normal);
}

.nisaab-card p:last-child {
  margin-bottom: 0;
}

.nisaab-card ul {
  padding-left: 1.25rem;
  margin: 0.25rem 0 0.5rem;
}

.nisaab-card li {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* =============================================
   Results section
   ============================================= */

.results-section {
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: 1.5rem;
  margin-top: 1.5rem;
}

.results-section-title {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.results-section-title svg {
  width: 1rem;
  height: 1rem;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.75;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.result-card {
  background: var(--color-card);
  border: 0.0625rem solid var(--color-card-border);
  border-radius: var(--border-radius-btn);
  padding: 1rem;
}

.result-card--accent {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
}

.result-card--accent .result-value {
  color: var(--color-accent);
}

.result-label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: 0 0 0.25rem;
  font-weight: 500;
}

.result-value {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  word-break: break-all;
}

/* =============================================
   Nisaab status badges
   ============================================= */

.badge-due {
  display: inline-block;
  background: #d1fae5;
  color: #065f46;
  font-size: var(--font-size-small);
  font-weight: 600;
  padding: 0.3125rem 0.75rem;
  border-radius: var(--border-radius-badge);
}

.badge-none {
  display: inline-block;
  background: #fee2e2;
  color: #991b1b;
  font-size: var(--font-size-small);
  font-weight: 600;
  padding: 0.3125rem 0.75rem;
  border-radius: var(--border-radius-badge);
}

/* =============================================
   Zakat amount card
   ============================================= */

.zakat-amount-card {
  background: var(--color-accent);
  border-radius: var(--border-radius-card);
  padding: 1.25rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.25rem;
  gap: 1rem;
}

.zakat-amount-label {
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-white);
  margin: 0 0 0.25rem;
}

.zakat-amount-sub {
  font-size: var(--font-size-small);
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.zakat-amount-value {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-white);
  text-align: right;
  flex-shrink: 0;
  word-break: break-all;
}

.results-note {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: 1rem;
  font-style: italic;
}

/* =============================================
   Tool disclaimer
   ============================================= */

.tool-disclaimer {
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: 1rem 1.25rem;
  margin-top: 1.5rem;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

.tool-disclaimer p {
  margin: 0;
}

/* =============================================
   Reset button
   ============================================= */

.btn-reset {
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-btn);
  border: 0.0625rem solid var(--color-border);
  cursor: pointer;
  font-family: var(--font-family-base);
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-top: 1rem;
}

.btn-reset:hover {
  border-color: #ef4444;
  color: #ef4444;
}

.btn-reset svg {
  width: 0.875rem;
  height: 0.875rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

@media (max-width: 64rem) {
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .tools-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 48rem) {
  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
  }

  .zakat-amount-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .zakat-amount-value {
    text-align: left;
    font-size: 1.25rem;
  }
}

@media (max-width: 30rem) {
  .results-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   Utility additions
   ============================================= */

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

.btn-primary svg,
.btn-secondary svg {
  width: 1rem;
  height: 1rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

/* =============================================
   Password Generator - security notice
   ============================================= */

.notice-security {
  background: #eff5f1;
  border-color: #1f6b57;
  color: var(--color-text-primary);
}

.notice-security .notice-icon {
  color: #1f6b57;
}

/* =============================================
   Password Generator - password display
   ============================================= */

.password-display-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
}

.password-text {
  flex: 1;
  font-family: monospace;
  font-size: 1.25rem;
  word-break: break-all;
  color: var(--color-text-primary);
  min-width: 0;
  line-height: 1.4;
  letter-spacing: 0.03em;
}

.password-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-sm {
  background: var(--color-card);
  color: var(--color-text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.375rem 0.75rem;
  border-radius: var(--border-radius-btn);
  border: 0.0625rem solid var(--color-border);
  cursor: pointer;
  font-family: var(--font-family-base);
  transition:
    border-color var(--transition-base),
    color var(--transition-base),
    background-color var(--transition-base);
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1.2;
}

.btn-sm:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-sm.is-copied {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* =============================================
   Password Generator - strength indicator
   ============================================= */

.strength-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.strength-track {
  flex: 1;
  height: 0.375rem;
  background: var(--color-border);
  border-radius: 1rem;
  overflow: hidden;
}

.strength-fill {
  height: 100%;
  border-radius: 1rem;
  width: 0%;
  transition:
    width 0.3s ease,
    background-color 0.3s ease;
}

.strength-label {
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--color-text-secondary);
  min-width: 5.5rem;
  text-align: right;
  transition: color 0.3s ease;
}

/* =============================================
   Password Generator - controls
   ============================================= */

.controls-divider {
  border: none;
  height: 0.0625rem;
  background: var(--color-border);
  margin: 1.5rem 0;
}

.controls-group-label {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.toggle-list {
  display: flex;
  flex-direction: column;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  overflow: hidden;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 0.0625rem solid var(--color-border);
  gap: 1rem;
  background: var(--color-card);
  transition: background-color var(--transition-base);
}

.toggle-row:last-child {
  border-bottom: none;
}

.toggle-row:hover {
  background: var(--color-bg);
}

.toggle-label {
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  font-weight: 500;
  cursor: pointer;
  user-select: none;
}

.toggle-switch {
  position: relative;
  display: inline-block;
  width: 2.75rem;
  height: 1.5rem;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: #d1d5db;
  border-radius: 1.5rem;
  transition: background-color 0.2s ease;
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 1.125rem;
  width: 1.125rem;
  left: 0.1875rem;
  top: 0.1875rem;
  background: #ffffff;
  border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 0.0625rem 0.25rem rgba(0, 0, 0, 0.18);
}

.toggle-switch input:checked + .toggle-slider {
  background: #1f6b57;
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(1.25rem);
}

.toggle-switch input:focus-visible + .toggle-slider {
  box-shadow: 0 0 0 0.1875rem var(--color-focus-ring);
}

/* =============================================
   Password Generator - multiple passwords
   ============================================= */

.multi-passwords-section {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 0.0625rem solid var(--color-border);
}

.multi-password-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.multi-password-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  padding: 0.625rem 0.875rem;
}

.multi-password-text {
  flex: 1;
  font-family: monospace;
  font-size: 0.875rem;
  word-break: break-all;
  min-width: 0;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.multi-copy-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-secondary);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  transition: color var(--transition-base);
  flex-shrink: 0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-small);
  white-space: nowrap;
}

.multi-copy-btn:hover {
  color: var(--color-accent);
}

.multi-copy-btn svg {
  width: 0.875rem;
  height: 0.875rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

@media (max-width: 30rem) {
  .password-display-wrapper {
    flex-wrap: wrap;
  }

  .password-text {
    font-size: 1rem;
    width: 100%;
  }

  .password-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

/* =============================================
   BMI Calculator
   ============================================= */

.bmi-unit-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.bmi-unit-btn {
  flex: 1;
  height: 2.5rem;
  border-radius: 9999px;
  border: 0.0625rem solid var(--color-border);
  background: transparent;
  color: var(--color-text-secondary);
  font-size: var(--font-size-nav);
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font-family-base);
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base);
}

.bmi-unit-btn--active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.bmi-unit-btn:hover:not(.bmi-unit-btn--active) {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.bmi-input-unit-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.bmi-input-unit-wrapper .form-input {
  padding-right: 3rem;
}

.bmi-unit-suffix {
  position: absolute;
  right: 0.875rem;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  pointer-events: none;
  user-select: none;
}

.bmi-height-imperial {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.bmi-value-display {
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-accent);
  margin: 0.375rem 0;
}

.bmi-scale-wrapper {
  margin-top: 1.5rem;
}

.bmi-scale-track {
  position: relative;
  height: 1.375rem;
  display: flex;
  align-items: center;
}

.bmi-scale-bar {
  position: absolute;
  left: 0;
  right: 0;
  height: 0.75rem;
  border-radius: 0.375rem;
  background: linear-gradient(
    to right,
    #3b82f6 0%,
    #1f6b57 35%,
    #f59e0b 55%,
    #ef4444 70%,
    #dc2626 85%,
    #991b1b 100%
  );
}

.bmi-scale-pointer {
  position: absolute;
  top: 0;
  width: 1.375rem;
  height: 1.375rem;
  background: var(--color-white);
  border: 0.1875rem solid var(--color-text-primary);
  border-radius: 50%;
  transform: translateX(-50%);
  transition: left 0.4s ease;
  box-shadow: 0 0.0625rem 0.25rem rgba(0, 0, 0, 0.2);
  z-index: 1;
}

.bmi-scale-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--color-text-secondary);
  margin-top: 0.375rem;
}

.bmi-tips-list {
  padding-left: 1.25rem;
  margin: 0.75rem 0 0;
}

.bmi-tips-list li {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: 0.5rem;
}

.bmi-tips-list li:last-child {
  margin-bottom: 0;
}

.bmi-badge-underweight {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-badge);
  background: #dbeafe;
  color: #1d4ed8;
}

.bmi-badge-normal {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-badge);
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.bmi-badge-overweight {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-badge);
  background: #fef3c7;
  color: #92400e;
}

.bmi-badge-obese1 {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-badge);
  background: #fee2e2;
  color: #b91c1c;
}

.bmi-badge-obese2 {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-badge);
  background: #fee2e2;
  color: #991b1b;
}

.bmi-badge-obese3 {
  display: inline-block;
  font-size: var(--font-size-badge);
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-badge);
  background: #fce7e7;
  color: #7f1d1d;
}

.bmi-row-highlight {
  background: var(--color-accent-light);
}

.bmi-row-highlight td {
  color: var(--color-accent);
  font-weight: 600;
}

/* =============================================
   PX to REM Converter
   ============================================= */

.conv-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0 1rem;
  align-items: center;
}

.conv-grid .form-group {
  margin-bottom: 0;
}

.conv-swap {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  padding: 0 0.5rem;
}

.conv-swap svg {
  width: 1.25rem;
  height: 1.25rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.conv-table-wrapper {
  overflow-x: auto;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  margin-top: 0.75rem;
}

.conv-table {
  width: 100%;
  border-collapse: collapse;
}

.conv-table th {
  text-align: left;
  padding: 0.5rem 0.875rem;
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-text-secondary);
  border-bottom: 0.0625rem solid var(--color-border);
  white-space: nowrap;
  background: var(--color-bg);
}

.conv-table td {
  padding: 0.5rem 0.875rem;
  border-bottom: 0.0625rem solid var(--color-border);
  color: var(--color-text-primary);
  font-size: var(--font-size-small);
}

.conv-table tbody tr:last-child td {
  border-bottom: none;
}

.conv-table tbody tr:hover {
  background: var(--color-bg);
}

.conv-table .rem-val {
  color: var(--color-accent);
  font-weight: 600;
}

@media (max-width: 48rem) {
  .conv-grid {
    grid-template-columns: 1fr;
  }

  .conv-swap {
    transform: rotate(90deg);
    padding: 0.25rem 0;
  }
}

/* =============================================
   Random Number Generator
   ============================================= */

.justify-between {
  justify-content: space-between;
}

.rng-big-number {
  text-align: center;
  font-size: 4.5rem;
  font-weight: 600;
  color: var(--color-accent);
  padding: 1.5rem 1rem;
  line-height: 1;
  min-height: 7rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: scale(1);
  transition: transform 0.2s ease;
}

.rng-big-number.is-empty {
  color: var(--color-border);
  font-size: 2rem;
  font-weight: 400;
}

.rng-big-number.is-animating {
  transform: scale(0.8);
  transition: none;
}

.rng-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.625rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 0.0625rem solid var(--color-border);
  gap: 0.75rem;
}

.rng-section-label {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: var(--color-text-primary);
}

.rng-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  min-height: 2rem;
}

.rng-chip {
  display: inline-flex;
  align-items: center;
  font-size: var(--font-size-small);
  font-weight: 500;
  padding: 0.25rem 0.625rem;
  border-radius: var(--border-radius-badge);
  background: var(--color-accent-light);
  color: var(--color-accent);
  border: 0.0625rem solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-family-base);
  line-height: 1.4;
}

.rng-chip:hover {
  background: var(--color-accent);
  color: var(--color-white);
}

.rng-empty-state {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  font-style: italic;
}

.rng-multi-output {
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  padding: 1rem;
  margin-top: 0.75rem;
  min-height: 3.5rem;
  font-size: var(--font-size-body);
  line-height: var(--line-height-normal);
  word-break: break-all;
  color: var(--color-text-primary);
}

.rng-multi-output.is-placeholder {
  color: var(--color-text-secondary);
  font-style: italic;
}

.rng-count-label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: 0.5rem;
  min-height: 1.25rem;
}

.rng-quick-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.rng-quick-card {
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.rng-quick-card .form-group {
  margin-bottom: 0;
}

.rng-quick-title {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.rng-quick-desc {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin: 0;
  line-height: var(--line-height-snug);
}

.rng-quick-result {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--color-accent);
  text-align: center;
  padding: 0.5rem 0;
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.rng-quick-result.is-placeholder {
  color: var(--color-border);
  font-size: 1.25rem;
  font-weight: 400;
}

.rng-result-heads {
  color: var(--color-accent);
}

.rng-result-tails {
  color: #3b82f6;
}

.rng-quick-sub {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-align: center;
  min-height: 1rem;
  margin: 0;
}

@media (max-width: 48rem) {
  .rng-quick-grid {
    grid-template-columns: 1fr;
  }

  .rng-big-number {
    font-size: 3rem;
  }

  .rng-history-header {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
}

/* =============================================
   JSON Formatter
   ============================================= */

.json-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.json-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 0.875rem 1rem;
  background: var(--color-bg);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
}

.indent-select-group {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.indent-select-group .form-label {
  margin-bottom: 0;
  white-space: nowrap;
}

.indent-select-group .form-select {
  width: auto;
  min-width: 8rem;
}

.json-sort-toggle {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.json-textarea {
  font-family: monospace;
  min-height: 18.75rem;
}

.json-status-bar {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-top: 0.375rem;
}

.validation-success {
  background: #eff5f1;
  border: 0.0625rem solid #1f6b57;
  border-radius: var(--border-radius-btn);
  padding: 0.625rem 0.875rem;
  font-size: var(--font-size-small);
  color: #1f6b57;
  font-weight: 500;
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
}

.validation-error {
  background: #fef2f2;
  border: 0.0625rem solid #ef4444;
  border-radius: var(--border-radius-btn);
  padding: 0.625rem 0.875rem;
  font-size: var(--font-size-small);
  color: #b91c1c;
  font-weight: 500;
  margin-top: 0.75rem;
  margin-bottom: 0.75rem;
}

.json-info-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--color-card);
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-card);
}

.json-info-section h2 {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.json-info-section h2 svg {
  width: 1rem;
  height: 1rem;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 1.75;
  flex-shrink: 0;
}

.json-info-section p {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin: 0 0 0.75rem;
}

.json-info-section p:last-child {
  margin-bottom: 0;
}

.json-info-section ul {
  padding-left: 1.5rem;
  margin: 0 0 0.75rem;
}

.json-info-section li {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin-bottom: 0.25rem;
}

/* =============================================
   Lorem Ipsum Generator
   ============================================= */

.lorem-output {
  min-height: 18.75rem;
}

.lorem-uses-list {
  list-style: none;
  padding: 0;
  margin: 0.5rem 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lorem-uses-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-snug);
}

.lorem-uses-item svg {
  width: 0.875rem;
  height: 0.875rem;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

/* =============================================
   Color Converter
   ============================================= */

.color-picker-row {
  display: flex;
  align-items: flex-end;
  gap: 1rem;
}

.color-picker-row .form-group {
  flex: 1;
  margin-bottom: 0;
}

.color-picker-input {
  width: 5rem;
  height: 5rem;
  min-width: 5rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-card);
  padding: 0.25rem;
  cursor: pointer;
  background: var(--color-white);
  outline: none;
  flex-shrink: 0;
}

.color-picker-input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.color-preview-box {
  width: 100%;
  height: 7.5rem;
  border-radius: var(--border-radius-card);
  border: 0.0625rem solid var(--color-border);
  margin-top: 1rem;
  transition: background-color 0.2s ease;
  background: var(--color-border);
}

.color-name-display {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-align: center;
  margin-top: 0.375rem;
  min-height: 1.25rem;
}

.format-outputs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.format-output-card {
  background: var(--color-card);
  border: 0.0625rem solid var(--color-card-border);
  border-radius: var(--border-radius-btn);
  padding: 0.875rem 1rem;
}

.format-output-value {
  font-size: var(--font-size-body);
  font-weight: 600;
  color: var(--color-text-primary);
  font-family: monospace;
  word-break: break-all;
  margin: 0.25rem 0 0.625rem;
  letter-spacing: 0.01em;
}

.format-output-footer {
  display: flex;
  align-items: center;
}

.btn-sm svg {
  width: 0.75rem;
  height: 0.75rem;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
}

.input-row-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.input-row-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
}

.input-row-3 .form-group,
.input-row-4 .form-group {
  margin-bottom: 0;
}

.input-with-suffix {
  position: relative;
  display: flex;
  align-items: center;
}

.input-with-suffix .form-input {
  padding-right: 2rem;
}

.input-suffix {
  position: absolute;
  right: 0.75rem;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  pointer-events: none;
  user-select: none;
}

.palette-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 0.625rem;
}

.swatch-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  cursor: pointer;
}

.palette-swatch {
  width: 3.75rem;
  height: 3.75rem;
  border-radius: var(--border-radius-btn);
  border: 0.0625rem solid var(--color-border);
  background: var(--color-border);
  transition:
    transform 0.15s ease,
    border-color 0.15s ease;
}

.palette-swatch:hover {
  transform: scale(1.08);
  border-color: var(--color-accent);
}

.swatch-label {
  font-size: 0.625rem;
  color: var(--color-text-secondary);
  text-align: center;
  font-family: monospace;
  line-height: 1.2;
  max-width: 3.75rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.css-color-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(4.25rem, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.css-swatch-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
}

.css-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--border-radius-btn);
  border: 0.0625rem solid var(--color-border);
  background: var(--color-border);
  transition:
    transform 0.15s ease,
    border-color 0.15s ease;
}

.css-swatch:hover {
  transform: scale(1.06);
  border-color: var(--color-accent);
}

.css-swatch-name {
  font-size: 0.6rem;
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.2;
  word-break: break-all;
}

.contrast-pickers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.contrast-picker-group {
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.contrast-color-input {
  width: 3rem;
  height: 3rem;
  min-width: 3rem;
  border: 0.0625rem solid var(--color-border);
  border-radius: var(--border-radius-btn);
  padding: 0.1875rem;
  cursor: pointer;
  background: var(--color-white);
  outline: none;
  flex-shrink: 0;
}

.contrast-color-input:focus {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-focus);
}

.contrast-picker-label {
  font-size: var(--font-size-small);
  font-weight: 500;
  color: var(--color-text-primary);
}

.contrast-ratio-display {
  font-size: 2.25rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
  text-align: center;
  padding: 0.75rem 0 0.25rem;
}

.contrast-ratio-label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 0.75rem;
}

.wcag-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.wcag-item {
  background: var(--color-card);
  border: 0.0625rem solid var(--color-card-border);
  border-radius: var(--border-radius-btn);
  padding: 0.625rem 0.875rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.wcag-item-label {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.wcag-pass {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: #059669;
  background: #d1fae5;
  padding: 0.125rem 0.5rem;
  border-radius: var(--border-radius-badge);
  flex-shrink: 0;
}

.wcag-fail {
  font-size: var(--font-size-small);
  font-weight: 600;
  color: #dc2626;
  background: #fee2e2;
  padding: 0.125rem 0.5rem;
  border-radius: var(--border-radius-badge);
  flex-shrink: 0;
}

.contrast-preview {
  border-radius: var(--border-radius-btn);
  padding: 1.25rem;
  border: 0.0625rem solid var(--color-border);
  margin-top: 1rem;
}

.contrast-preview-normal {
  font-size: var(--font-size-body);
  margin: 0 0 0.5rem;
}

.contrast-preview-large {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
}

.format-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.format-guide-item {
  background: var(--color-card);
  border: 0.0625rem solid var(--color-card-border);
  border-radius: var(--border-radius-btn);
  padding: 1rem;
}

.format-guide-name {
  font-size: var(--font-size-card-title);
  font-weight: 600;
  color: var(--color-accent);
  margin: 0 0 0.375rem;
}

.format-guide-desc {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
  margin: 0;
}

@media (max-width: 48rem) {
  .format-outputs-grid {
    grid-template-columns: 1fr;
  }

  .contrast-pickers {
    grid-template-columns: 1fr;
  }

  .format-guide-grid {
    grid-template-columns: 1fr;
  }

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

  .input-row-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 30rem) {
  .input-row-3 {
    grid-template-columns: 1fr;
  }

  .input-row-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 48rem) {
  .nav-links {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .nav-links.is-open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--color-nav-bg);
    padding: 1rem;
    border-bottom: 0.0625rem solid var(--color-border);
    z-index: var(--nav-mobile-z);
    gap: 0;
  }

  .nav-links.is-open li {
    width: 100%;
  }

  .nav-links.is-open a {
    display: block;
    padding: 0.75rem 0;
    border-bottom: 0.125rem solid transparent;
  }

  .nav-links.is-open a:hover {
    color: var(--color-text-primary);
    border-bottom-color: var(--color-accent);
  }

  .hero {
    padding: 4rem 0;
  }

  .hero-title {
    font-size: var(--font-size-hero-mobile);
  }

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

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

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}