/* ==========================================================================
   ToolWorld — Reusable Components
   ========================================================================== */

/* ---------- Icons ---------- */
.icon-svg { width: 20px; height: 20px; flex-shrink: 0; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.7em 1.3em;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color var(--duration-fast) var(--ease), border-color var(--duration-fast) var(--ease), color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
  white-space: nowrap;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn svg { width: 1.05em; height: 1.05em; flex-shrink: 0; }

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

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-secondary:hover { background: var(--color-surface-2); border-color: var(--color-text-faint); }

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn-ghost:hover { background: var(--color-surface-2); color: var(--color-text); }

.btn-sm { padding: 0.45em 0.9em; font-size: 0.85rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-icon {
  padding: 0.55em;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text-muted);
}
.btn-icon:hover { color: var(--color-text); background: var(--color-surface-2); }

/* ---------- Forms ---------- */
.field { margin-bottom: var(--space-4); }
.field:last-child { margin-bottom: 0; }

.field-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.field-hint { font-size: 0.82rem; color: var(--color-text-faint); margin-top: var(--space-1); }

.input, .select, .textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 0.65em 0.9em;
  font-size: 0.98rem;
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.textarea { resize: vertical; min-height: 120px; font-family: var(--font-mono); }
.input.invalid, .textarea.invalid { border-color: var(--color-error); }

.field-row { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.field-row > .field { flex: 1 1 160px; }

.checkbox-row { display: flex; align-items: center; gap: var(--space-2); font-size: 0.92rem; }
.checkbox-row input { width: 17px; height: 17px; accent-color: var(--color-primary); }

/* ---------- Alerts / result boxes ---------- */
.alert {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: 0.92rem;
  border: 1px solid transparent;
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.alert-error { background: var(--color-error-bg); color: var(--color-error); border-color: color-mix(in srgb, var(--color-error) 30%, transparent); }
.alert-success { background: var(--color-success-bg); color: var(--color-success); border-color: color-mix(in srgb, var(--color-success) 30%, transparent); }
.alert-warning { background: var(--color-warning-bg); color: var(--color-warning); border-color: color-mix(in srgb, var(--color-warning) 30%, transparent); }
.alert svg { width: 1.2em; height: 1.2em; flex-shrink: 0; margin-top: 0.1em; }

.result-box {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.result-box.is-empty { color: var(--color-text-faint); font-size: 0.92rem; }

.result-stat {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: var(--space-2) 0;
  border-bottom: 1px dashed var(--color-border);
  gap: var(--space-3);
}
.result-stat:last-child { border-bottom: none; }
.result-stat .label { color: var(--color-text-muted); font-size: 0.9rem; }
.result-stat .value { font-weight: 700; font-size: 1.15rem; }

.result-hero {
  text-align: center;
  padding: var(--space-4) 0 var(--space-5);
}
.result-hero .value {
  font-size: clamp(2.2rem, 1.8rem + 1.5vw, 3rem);
  font-weight: 800;
  color: var(--color-primary);
}
.result-hero .label { color: var(--color-text-muted); font-size: 0.9rem; margin-top: var(--space-1); }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-text);
  flex-shrink: 0;
}
.brand:hover { text-decoration: none; }
.brand .brand-world { color: var(--color-primary); }
.brand-mark { width: 32px; height: 32px; flex-shrink: 0; }

.main-nav { display: none; }
.main-nav ul { display: flex; list-style: none; margin: 0; padding: 0; gap: var(--space-1); }
.main-nav a {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.92rem;
}
.main-nav a:hover, .main-nav a[aria-current="page"] {
  background: var(--color-surface-2);
  color: var(--color-text);
  text-decoration: none;
}

.header-actions { display: flex; align-items: center; gap: var(--space-2); margin-left: auto; }

.header-search {
  position: relative;
  display: none;
}
.header-search input {
  width: 220px;
  padding: 0.5em 0.8em 0.5em 2.2em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface-2);
  font-size: 0.88rem;
}
.header-search input:focus { outline: none; border-color: var(--color-primary); background: var(--color-surface); width: 260px; }
.header-search svg {
  position: absolute;
  left: 0.75em;
  top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--color-text-faint);
  pointer-events: none;
}

.theme-toggle, .menu-toggle {
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  width: 38px; height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
}
.theme-toggle:hover, .menu-toggle:hover { background: var(--color-surface-2); color: var(--color-text); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: block; }

.menu-toggle { display: inline-flex; }
.menu-toggle svg:last-child { display: none; }
.menu-toggle[aria-expanded="true"] svg:first-child { display: none; }
.menu-toggle[aria-expanded="true"] svg:last-child { display: block; }

@media (min-width: 900px) {
  .main-nav { display: block; }
  .header-search { display: block; }
  .menu-toggle { display: none; }
}

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--color-bg);
  z-index: 99;
  overflow-y: auto;
  padding: var(--space-5);
  display: none;
}
.mobile-nav.is-open { display: block; }
.mobile-nav .header-search { display: block; margin-bottom: var(--space-5); }
.mobile-nav .header-search input { width: 100%; }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav li { margin: 0; border-bottom: 1px solid var(--color-border); }
.mobile-nav a {
  display: block;
  padding: var(--space-4) var(--space-1);
  font-weight: 600;
  color: var(--color-text);
  font-size: 1.05rem;
}
.mobile-nav a:hover { text-decoration: none; color: var(--color-primary); }

@media (min-width: 900px) {
  .mobile-nav { display: none !important; }
}

/* ---------- Search results dropdown ---------- */
.search-results {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 60vh;
  overflow-y: auto;
  display: none;
  z-index: 200;
}
.search-results.is-open { display: block; }
.search-results a {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.search-results a:last-child { border-bottom: none; }
.search-results a:hover, .search-results a.is-active { background: var(--color-surface-2); text-decoration: none; }
.search-results .r-title { font-weight: 600; font-size: 0.92rem; }
.search-results .r-cat { font-size: 0.78rem; color: var(--color-text-faint); }
.search-results .r-empty { padding: var(--space-5); text-align: center; color: var(--color-text-faint); font-size: 0.9rem; }

/* ---------- Hero ---------- */
.hero {
  padding-block: var(--space-8) var(--space-7);
  text-align: center;
}
.hero h1 { max-width: 780px; margin-inline: auto; }
.hero .lead {
  max-width: 620px;
  margin: var(--space-4) auto var(--space-6);
  font-size: 1.1rem;
}
.hero-search {
  max-width: 620px;
  margin-inline: auto;
  position: relative;
}
.hero-search input {
  width: 100%;
  padding: 1em 1.2em 1em 3em;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  font-size: 1.02rem;
  box-shadow: var(--shadow-md);
}
.hero-search input:focus { outline: none; border-color: var(--color-primary); }
.hero-search svg {
  position: absolute;
  left: 1.1em; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px;
  color: var(--color-text-faint);
}
.hero-search .search-results { text-align: left; }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-6);
  flex-wrap: wrap;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.hero-stats strong { display: block; font-size: 1.4rem; color: var(--color-text); }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--space-4);
}

.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}
.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none;
}
.tool-card .icon {
  width: 42px; height: 42px;
  border-radius: var(--radius-md);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
}
.tool-card .icon svg { width: 22px; height: 22px; }
.tool-card h3 { font-size: 1rem; margin: 0; color: var(--color-text); }
.tool-card p { font-size: 0.87rem; margin: 0; color: var(--color-text-muted); }
.tool-card .cat-tag { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-accent); }

.category-card {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: border-color var(--duration-fast) var(--ease), transform var(--duration-fast) var(--ease);
}
.category-card:hover { border-color: var(--color-primary); transform: translateY(-2px); text-decoration: none; box-shadow: var(--shadow-md); }
.category-card .icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-accent-light);
  color: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.category-card .icon svg { width: 26px; height: 26px; }
.category-card h3 { margin: 0 0 2px; font-size: 1.02rem; color: var(--color-text); }
.category-card p { margin: 0; font-size: 0.85rem; }
.category-card .count { font-size: 0.78rem; color: var(--color-text-faint); }

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-4);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  flex-wrap: wrap;
}
.section-head p { margin: 0; }
.section-head .view-all { font-weight: 600; font-size: 0.9rem; white-space: nowrap; }

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  font-size: 0.85rem;
  color: var(--color-text-faint);
  padding-block: var(--space-4);
}
.breadcrumbs ol { display: flex; flex-wrap: wrap; list-style: none; margin: 0; padding: 0; gap: 6px; }
.breadcrumbs li { display: flex; align-items: center; gap: 6px; margin: 0; }
.breadcrumbs a { color: var(--color-text-muted); }
.breadcrumbs li:last-child { color: var(--color-text-faint); }

/* ---------- Tool page layout ---------- */
.tool-header { padding-block: var(--space-2) var(--space-6); }
.tool-header .cat-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 0.3em 0.8em;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-3);
}
.tool-header .lead { font-size: 1.05rem; max-width: 720px; }

.tool-app {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-6);
  margin-bottom: var(--space-7);
}
.tool-app .actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.tool-grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}
@media (min-width: 760px) {
  .tool-grid-2 { grid-template-columns: 1fr 1fr; }
}

.content-block { margin-bottom: var(--space-7); }
.content-block:last-child { margin-bottom: 0; }
.content-block h2 { margin-bottom: var(--space-3); }
.content-block h3 { margin-bottom: var(--space-2); margin-top: var(--space-5); }

.steps { list-style: none; padding: 0; counter-reset: step; display: flex; flex-direction: column; gap: var(--space-3); }
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 2.6em;
  color: var(--color-text-muted);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0; top: 0;
  width: 1.9em; height: 1.9em;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.85rem;
  display: flex; align-items: center; justify-content: center;
}

/* FAQ accordion */
.faq-list { display: flex; flex-direction: column; gap: var(--space-3); }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  color: var(--color-text);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .chev { width: 18px; height: 18px; flex-shrink: 0; color: var(--color-text-faint); transition: transform var(--duration-base) var(--ease); }
.faq-item[open] summary .chev { transform: rotate(180deg); }
.faq-item .faq-answer { padding: 0 var(--space-5) var(--space-5); color: var(--color-text-muted); font-size: 0.93rem; }

/* Related tools */
.related-list { display: flex; flex-wrap: wrap; gap: var(--space-3); }
.related-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  font-size: 0.87rem;
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface);
}
.related-pill:hover { border-color: var(--color-primary); color: var(--color-primary); text-decoration: none; }
.related-pill svg { width: 16px; height: 16px; flex-shrink: 0; }

/* Ad slot placeholder */
.ad-slot {
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-faint);
  background: var(--color-surface-2);
  margin-block: var(--space-6);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  margin-top: var(--space-8);
  padding-block: var(--space-7) var(--space-5);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-6);
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-brand .brand { margin-bottom: var(--space-3); }
.footer-brand p { font-size: 0.88rem; max-width: 280px; }
.footer-col h4 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text-faint); margin-bottom: var(--space-3); }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-col a { color: var(--color-text-muted); font-size: 0.9rem; }
.footer-col a:hover { color: var(--color-primary); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  font-size: 0.82rem;
  color: var(--color-text-faint);
}
.footer-bottom .legal-links { display: flex; gap: var(--space-4); flex-wrap: wrap; }

/* ---------- Misc ---------- */
.page-header { padding-block: var(--space-6) var(--space-7); text-align: center; }
.page-header .lead { max-width: 640px; margin-inline: auto; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25em 0.7em;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
}

.divider { border: none; border-top: 1px solid var(--color-border); margin: var(--space-6) 0; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.tag-cloud a {
  font-size: 0.82rem;
  padding: 0.4em 0.9em;
  border-radius: var(--radius-pill);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.tag-cloud a:hover { color: var(--color-primary); border-color: var(--color-primary); text-decoration: none; }

.copy-feedback { font-size: 0.8rem; color: var(--color-success); margin-left: var(--space-2); }

.file-drop {
  border: 2px dashed var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  text-align: center;
  cursor: pointer;
  background: var(--color-surface-2);
  transition: border-color var(--duration-fast) var(--ease), background var(--duration-fast) var(--ease);
}
.file-drop:hover, .file-drop.is-dragover { border-color: var(--color-primary); background: var(--color-primary-light); }
.file-drop svg { width: 32px; height: 32px; margin: 0 auto var(--space-2); color: var(--color-text-faint); }
.file-drop input[type="file"] { display: none; }

.color-swatch { width: 100%; height: 90px; border-radius: var(--radius-md); border: 1px solid var(--color-border); }

.privacy-note {
  display: flex;
  gap: var(--space-2);
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--color-text-faint);
  margin-top: var(--space-4);
}
.privacy-note svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 0.15em; }

.not-found {
  text-align: center;
  padding-block: var(--space-9) var(--space-8);
}
.not-found .code { font-size: 5rem; font-weight: 800; color: var(--color-primary); line-height: 1; }