/* ============================================
   Toolips — Common Stylesheet
   ============================================ */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------- CSS Variables ---------- */
:root {
  /* Google-inspired brand colors */
  --blue: #4285F4;
  --green: #34A853;
  --yellow: #FBBC04;
  --red: #EA4335;

  /* Light backgrounds for each color */
  --blue-bg: #EBF3FE;
  --green-bg: #E6F4EA;
  --yellow-bg: #FEF7E0;
  --red-bg: #FCE8E6;

  /* Neutral colors */
  --text-primary: #1A1A2E;
  --text-secondary: #5F6368;
  --text-muted: #9AA0A6;
  --text-faint: #BDC1C6;
  --border: #ECEEF1;
  --border-hover: #D0D4DA;
  --bg-page: #FAFBFC;
  --bg-card: #FFFFFF;
  --bg-input: #F1F3F4;

  /* Spacing */
  --max-width: 960px;
  --max-width-narrow: 800px;
  --padding-page: 24px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

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

body {
  font-family: 'DM Sans', 'Noto Sans JP', sans-serif;
  background: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
}

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

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: rgba(250, 251, 252, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.site-logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--blue), var(--green), var(--yellow), var(--red));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

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

.breadcrumb .current {
  font-weight: 600;
}

.lang-switcher {
  display: flex;
  gap: 8px;
}

.lang-btn {
  padding: 5px 12px;
  border-radius: 16px;
  border: 1.5px solid var(--border);
  background: white;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  transition: all 0.2s;
}

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

.lang-btn.active {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 24px;
  border-top: 1px solid var(--border);
}

.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-bottom: 8px;
}

.footer-logo-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
}

.footer-copy {
  font-size: 11px;
  color: var(--text-faint);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 12px;
}

.footer-links a {
  font-size: 12px;
  color: var(--text-muted);
  transition: color 0.2s;
}

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

/* ---------- Hero Section ---------- */
.hero {
  text-align: center;
  padding: 60px var(--padding-page) 40px;
  position: relative;
  z-index: 10;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero-title .gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--red), var(--yellow), var(--green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 300% auto;
  animation: shimmer 6s linear infinite;
}

.hero-subtitle {
  font-size: 17px;
  color: var(--text-secondary);
  font-weight: 400;
  max-width: 480px;
  margin: 0 auto 36px;
}

/* ---------- Search ---------- */
.search-container {
  position: relative;
  max-width: 520px;
  margin: 0 auto;
}

.search-box {
  display: flex;
  align-items: center;
  background: white;
  border-radius: 28px;
  padding: 4px 6px 4px 20px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08), 0 0 0 1px rgba(0,0,0,0.04);
  transition: all 0.3s var(--ease-out);
}

.search-box.focused {
  box-shadow: 0 4px 24px rgba(66,133,244,0.18), 0 0 0 2px var(--blue);
}

.search-icon {
  flex-shrink: 0;
  transition: stroke 0.3s;
}

.search-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 14px 12px;
  font-size: 15px;
  color: var(--text-primary);
  font-family: 'DM Sans', 'Noto Sans JP', sans-serif;
}

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

.search-clear {
  background: var(--bg-input);
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: background 0.2s;
}

.search-clear.visible {
  display: flex;
}

.search-clear:hover {
  background: var(--border);
}

/* Search Results Dropdown */
.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  background: white;
  border-radius: 16px;
  padding: 8px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
  z-index: 100;
  max-height: 320px;
  overflow-y: auto;
  display: none;
  animation: scaleIn 0.2s ease-out;
}

.search-results.open {
  display: block;
}

.search-result-item {
  padding: 10px 16px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: background 0.15s;
  text-decoration: none;
  color: inherit;
}

.search-result-item:hover {
  background: var(--bg-input);
}

.search-result-arrow {
  font-size: 14px;
  color: var(--text-muted);
}

.search-result-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
}

.search-result-category {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: auto;
}

.search-no-results {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

/* ---------- Category Cards ---------- */
.categories-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px var(--padding-page) 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  position: relative;
  z-index: 10;
}

.category-card {
  position: relative;
  background: white;
  border-radius: 20px;
  padding: 28px 24px;
  border: 1.5px solid var(--border);
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  transition: all 0.35s var(--ease-out);
  overflow: hidden;
  text-decoration: none;
  display: block;
  color: inherit;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}

.category-card[data-color="blue"]:hover { border-color: var(--blue); box-shadow: 0 8px 30px rgba(66,133,244,0.1); }
.category-card[data-color="green"]:hover { border-color: var(--green); box-shadow: 0 8px 30px rgba(52,168,83,0.1); }
.category-card[data-color="yellow"]:hover { border-color: var(--yellow); box-shadow: 0 8px 30px rgba(251,188,4,0.1); }
.category-card[data-color="red"]:hover { border-color: var(--red); box-shadow: 0 8px 30px rgba(234,67,53,0.1); }

.category-bar {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 20px 20px 0 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease-out);
}

.category-card:hover .category-bar {
  transform: scaleX(1);
}

.category-card[data-color="blue"] .category-bar { background: linear-gradient(135deg, var(--blue), #669DF6); }
.category-card[data-color="green"] .category-bar { background: linear-gradient(135deg, var(--green), #5BB974); }
.category-card[data-color="yellow"] .category-bar { background: linear-gradient(135deg, var(--yellow), #FDD663); }
.category-card[data-color="red"] .category-bar { background: linear-gradient(135deg, var(--red), #F28B82); }

.category-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin-bottom: 16px;
  transition: transform 0.3s;
}

.category-card:hover .category-icon-wrap {
  transform: scale(1.1) rotate(-3deg);
}

.category-card[data-color="blue"] .category-icon-wrap { background: var(--blue-bg); }
.category-card[data-color="green"] .category-icon-wrap { background: var(--green-bg); }
.category-card[data-color="yellow"] .category-icon-wrap { background: var(--yellow-bg); }
.category-card[data-color="red"] .category-icon-wrap { background: var(--red-bg); }

.category-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.category-desc {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.4;
}

.category-meta {
  display: flex;
  align-items: center;
  gap: 6px;
}

.category-badge {
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 10px;
}

.category-card[data-color="blue"] .category-badge { color: var(--blue); background: var(--blue-bg); }
.category-card[data-color="green"] .category-badge { color: var(--green); background: var(--green-bg); }
.category-card[data-color="yellow"] .category-badge { color: var(--yellow); background: var(--yellow-bg); }
.category-card[data-color="red"] .category-badge { color: var(--red); background: var(--red-bg); }

.category-arrow {
  font-size: 14px;
  font-weight: 500;
  transition: transform 0.3s;
}

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

.category-card[data-color="blue"] .category-arrow { color: var(--blue); }
.category-card[data-color="green"] .category-arrow { color: var(--green); }
.category-card[data-color="yellow"] .category-arrow { color: var(--yellow); }
.category-card[data-color="red"] .category-arrow { color: var(--red); }

/* Star badge for NEW */
.badge-new {
  position: absolute;
  top: 12px;
  right: 12px;
  background: linear-gradient(135deg, var(--red), var(--yellow));
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 10px;
  letter-spacing: 0.5px;
  animation: starPulse 2s ease-in-out infinite;
}

/* ---------- Popular Tools ---------- */
.popular-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-page) 60px;
  position: relative;
  z-index: 10;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
}

.section-header-icon {
  font-size: 20px;
}

.section-title {
  font-size: 20px;
  font-weight: 700;
}

.popular-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.popular-card {
  background: white;
  border-radius: 16px;
  padding: 18px 16px;
  border: 1.5px solid var(--border);
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
  transition: all 0.3s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.popular-card:hover {
  transform: translateY(-2px);
}

.popular-card[data-color="blue"]:hover { border-color: rgba(66,133,244,0.4); box-shadow: 0 4px 16px rgba(66,133,244,0.08); }
.popular-card[data-color="green"]:hover { border-color: rgba(52,168,83,0.4); box-shadow: 0 4px 16px rgba(52,168,83,0.08); }
.popular-card[data-color="yellow"]:hover { border-color: rgba(251,188,4,0.4); box-shadow: 0 4px 16px rgba(251,188,4,0.08); }
.popular-card[data-color="red"]:hover { border-color: rgba(234,67,53,0.4); box-shadow: 0 4px 16px rgba(234,67,53,0.08); }

.popular-icon {
  font-size: 22px;
}

.popular-name {
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}

.popular-category {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
}

.popular-star {
  position: absolute;
  top: 8px;
  right: 8px;
  font-size: 12px;
  animation: starPulse 2s ease-in-out infinite;
}

/* ---------- Features Strip ---------- */
.features-strip {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--padding-page) 60px;
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 10;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
}

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

/* ---------- Floating Background Shapes ---------- */
.bg-shapes {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.bg-shape {
  position: absolute;
  border-radius: 50%;
}

.bg-shape-1 {
  top: 8%;
  left: 5%;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(66,133,244,0.06) 0%, transparent 70%);
  animation: floatA 8s ease-in-out infinite;
}

.bg-shape-2 {
  top: 15%;
  right: 8%;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(234,67,53,0.05) 0%, transparent 70%);
  animation: floatB 10s ease-in-out infinite;
}

.bg-shape-3 {
  bottom: 20%;
  left: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(52,168,83,0.05) 0%, transparent 70%);
  animation: floatA 12s ease-in-out infinite;
}

.bg-shape-4 {
  bottom: 10%;
  right: 15%;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(251,188,4,0.06) 0%, transparent 70%);
  animation: floatB 9s ease-in-out infinite;
}

/* ---------- Animations ---------- */
@keyframes floatA {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

@keyframes floatB {
  0%, 100% { transform: translateY(0px) translateX(0px); }
  33% { transform: translateY(-15px) translateX(10px); }
  66% { transform: translateY(10px) translateX(-5px); }
}

@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes starPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

/* ---------- Page Load Animations ---------- */
.animate-in {
  opacity: 0;
  animation: fadeInUp 0.6s var(--ease-out) both;
}

.animate-in-1 { animation-delay: 0.1s; }
.animate-in-2 { animation-delay: 0.2s; }
.animate-in-3 { animation-delay: 0.3s; }
.animate-in-4 { animation-delay: 0.4s; }
.animate-in-5 { animation-delay: 0.5s; }
.animate-in-6 { animation-delay: 0.6s; }
.animate-in-7 { animation-delay: 0.7s; }

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  .site-header {
    padding: 12px 16px;
  }

  .breadcrumb {
    display: none;
  }

  .hero {
    padding: 40px 16px 30px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-subtitle {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .categories-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    padding: 16px 16px 36px;
  }

  .category-card {
    padding: 20px 16px;
  }

  .category-icon-wrap {
    width: 44px;
    height: 44px;
    font-size: 22px;
    margin-bottom: 12px;
  }

  .category-title {
    font-size: 15px;
  }

  .category-desc {
    font-size: 12px;
  }

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

  .features-strip {
    gap: 20px;
  }

  .feature-item {
    font-size: 13px;
  }
}

@media (max-width: 480px) {
  .categories-grid {
    grid-template-columns: 1fr;
  }

  .popular-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .lang-switcher {
    gap: 4px;
  }

  .lang-btn {
    padding: 4px 8px;
    font-size: 11px;
  }
}