/* =========================
   dropship.tools - Shared Styles
   Extends Pico CSS v2 only
   ========================= */

:root {
  --pico-font-family: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --pico-primary: #0f4c75;
  --pico-primary-hover: #1b6ca8;
  --pico-primary-focus: rgba(15, 76, 117, 0.25);
  --pico-primary-inverse: #ffffff;

  --dt-accent: #f59e0b;
  --dt-accent-hover: #d97706;
  --dt-surface-muted: #f6f8fb;
  --dt-border-subtle: #dbe2ea;
  --dt-text-muted: #4b5563;
  --dt-radius: 0.9rem;
  --dt-space-lg: 2rem;
  --dt-space-md: 1rem;
  --dt-space-sm: 0.65rem;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

/* Keep media responsive globally */
img,
svg,
video {
  max-width: 100%;
  height: auto;
}

/* =========================
   Layout + Navigation
   ========================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--pico-background-color);
  border-bottom: 1px solid var(--dt-border-subtle);
}

.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.2rem 0;
}

.site-header nav ul {
  margin: 0;
  align-items: center;
  gap: 0.55rem;
}

.site-header nav > ul:last-child {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: min(100%, 72vw);
}

.site-header nav > ul:last-child a {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.45rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.92rem;
  line-height: 1.2;
  white-space: nowrap;
}

.site-header nav > ul:last-child a:hover,
.site-header nav > ul:last-child a:focus {
  border-color: var(--dt-border-subtle);
  text-decoration: none;
}

.nav-menu {
  position: relative;
  margin-left: 0.5rem;
}

.nav-menu:first-of-type {
  margin-left: auto;
}

.nav-menu-toggle {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0.22rem 0.42rem;
  min-height: auto;
  border: 1px solid var(--dt-border-subtle);
  border-radius: 999px;
  background-color: var(--pico-card-background-color);
  color: var(--pico-contrast);
  font-size: 0.9rem;
  line-height: 1.1;
}

.nav-menu-toggle:hover,
.nav-menu-toggle:focus {
  border-color: var(--pico-primary);
  text-decoration: none;
}

.nav-menu-label {
  font-weight: 600;
}

.nav-menu-icon {
  font-size: 0.7rem;
  line-height: 1;
  margin-left: 0.25rem;
}

.nav-menu-panel {
  display: none;
  position: absolute;
  top: calc(100% + 0.35rem);
  right: 0;
  min-width: 270px;
  max-height: min(72vh, 520px);
  overflow: auto;
  padding: 0.35rem;
  border: 1px solid var(--dt-border-subtle);
  border-radius: 0.75rem;
  background: var(--pico-card-background-color);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.12);
  z-index: 1100;
}

.nav-menu.is-open .nav-menu-panel {
  display: block;
}

.nav-menu-panel ul {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-menu-panel li {
  display: block;
  width: 100%;
  margin: 0;
}

.nav-menu-panel li strong {
  display: block;
  padding: 0.55rem 0.45rem 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--dt-text-muted);
  cursor: default;
  margin-top: 0.3rem;
}

.nav-menu-panel li:first-child strong {
  margin-top: 0;
}

.nav-menu-panel a {
  display: block;
  width: 100%;
  padding: 0.5rem 0.55rem;
  border-radius: 0.55rem;
  font-size: 0.92rem;
  line-height: 1.2;
  text-decoration: none;
}

.nav-menu-panel a[aria-current="page"] {
  background: var(--dt-surface-muted);
  font-weight: 700;
}

.nav-menu-panel a:hover,
.nav-menu-panel a:focus {
  background: var(--dt-surface-muted);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.92rem;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.site-logo svg {
  width: 0.82rem;
  height: 0.82rem;
}

.site-logo:focus,
.site-logo:hover {
  text-decoration: none;
}

main {
  padding-block: 1.25rem 2rem;
}

section + section {
  margin-top: var(--dt-space-lg);
}

/* =========================
   Typography + Utility
   ========================= */
.page-intro {
  color: var(--dt-text-muted);
  max-width: 72ch;
}

.updated-date {
  font-size: 0.95rem;
  color: var(--dt-text-muted);
  margin-top: -0.25rem;
}

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

.nowrap {
  white-space: nowrap;
}

.kpi-value {
  font-size: clamp(1.15rem, 1.2vw + 0.9rem, 1.6rem);
  font-weight: 700;
  margin: 0;
}

.kpi-label {
  margin: 0;
  color: var(--dt-text-muted);
  font-size: 0.95rem;
}

/* =========================
   Cards + Grid Blocks
   ========================= */
.tool-card,
.feature-card,
.info-card,
.result-card {
  border: 1px solid var(--dt-border-subtle);
  border-radius: var(--dt-radius);
  background: var(--pico-card-background-color);
}

.feature-card,
.info-card {
  height: 100%;
}

.info-card {
  background: var(--dt-surface-muted);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.calculator-shell {
  border: 1px solid var(--dt-border-subtle);
  border-radius: var(--dt-radius);
  padding: 1rem;
  background: var(--pico-card-background-color);
}

.results-shell {
  margin-top: 1rem;
}

.result-card[hidden] {
  display: none;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
}

.result-item {
  border: 1px solid var(--dt-border-subtle);
  border-radius: 0.75rem;
  padding: 0.75rem;
  background: var(--dt-surface-muted);
}

.summary-text {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--dt-border-subtle);
}

/* =========================
   Breadcrumbs + FAQ
   ========================= */
.breadcrumbs {
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.breadcrumbs li + li::before {
  content: ">";
  margin-right: 0.5rem;
  color: var(--dt-text-muted);
}

.faq details {
  margin-bottom: 0.65rem;
}

.faq summary {
  font-weight: 700;
  cursor: pointer;
  color: var(--pico-color);
}

.faq details[open] {
  border: 1px solid var(--dt-border-subtle);
  border-radius: 0.75rem;
  padding: 0.65rem 0.85rem;
  background: var(--dt-surface-muted);
}

.faq details[open] summary {
  color: var(--pico-primary);
  margin-bottom: 0.45rem;
}

.faq details p {
  margin: 0;
  color: var(--dt-text-muted);
}

/* =========================
   Buttons + Forms
   ========================= */
button.cta,
a.cta,
[role="button"].cta {
  background-color: var(--dt-accent);
  border-color: var(--dt-accent);
  color: #111827;
  font-weight: 600;
}

button.cta:hover,
a.cta:hover,
[role="button"].cta:hover {
  background-color: var(--dt-accent-hover);
  border-color: var(--dt-accent-hover);
  color: #111827;
}

.form-note {
  font-size: 0.9rem;
  color: var(--dt-text-muted);
  margin-top: -0.35rem;
}

input[aria-invalid="true"],
select[aria-invalid="true"],
textarea[aria-invalid="true"] {
  border-width: 2px;
}

/* =========================
   Footer + Placeholders
   ========================= */
.site-footer {
  margin-top: 2rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--dt-border-subtle);
}

.site-footer p {
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
}

.site-footer nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.45rem;
  margin: 0;
  padding: 0;
}

.site-footer nav li {
  list-style: none;
}

.site-footer nav a {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border: 1px solid var(--dt-border-subtle);
  border-radius: 999px;
  font-size: 0.82rem;
  line-height: 1.2;
  text-decoration: none;
}

.site-footer nav a:hover,
.site-footer nav a:focus {
  border-color: var(--pico-primary);
  text-decoration: none;
}

.placeholder-block {
  border: 1px dashed var(--dt-border-subtle);
  border-radius: var(--dt-radius);
  padding: 1rem;
  color: var(--dt-text-muted);
  background: var(--dt-surface-muted);
}

/* =========================
   Resource Pages - Tool Badges
   ========================= */
.tool-badge {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
}

.tool-badge-popular {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fcd34d;
}

.tool-badge-editors {
  background: #dbeafe;
  color: #0c4a6e;
  border: 1px solid #7dd3fc;
}

.tool-badge-free {
  background: #dcfce7;
  color: #166534;
  border: 1px solid #86efac;
}

.tool-card {
  border: 1px solid var(--dt-border-subtle);
  border-radius: var(--dt-radius);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background: var(--pico-background-color);
}

.tool-card h3 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.tool-description {
  font-style: italic;
  color: var(--dt-text-muted);
}

.info-card {
  background: var(--dt-surface-muted);
  border: 1px solid var(--dt-border-subtle);
  border-left: 4px solid var(--pico-primary);
  border-radius: var(--dt-radius);
  padding: 1.25rem;
  margin-bottom: 2rem;
}

.info-card h2 {
  margin-top: 0;
}

/* =========================
   Responsive tweaks
   ========================= */
@media (max-width: 768px) {
  main {
    padding-block: 1rem 1.5rem;
  }

  .site-header nav {
    align-items: center;
    gap: 0.3rem;
    padding-inline: 0.35rem;
  }

  .site-header nav > ul:first-child {
    margin-right: auto;
  }

  .site-header nav ul {
    gap: 0.3rem;
  }

  .site-header nav > ul:last-child {
    max-width: none;
  }

  .site-logo {
    font-size: 0.86rem;
  }

  .nav-menu-toggle {
    padding: 0.2rem 0.38rem;
  }

  .nav-menu-panel {
    min-width: min(92vw, 360px);
    right: 0;
    left: auto;
    max-height: 68vh;
  }

  .site-footer nav ul {
    flex-wrap: nowrap;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding-bottom: 0.2rem;
    -webkit-overflow-scrolling: touch;
  }

  .site-footer nav li {
    flex: 0 0 auto;
  }

  .calculator-shell {
    padding: 0.85rem;
  }
}