/*
Theme Name: AIDIY Resource Cards
Theme URI: https://aidiy.fun
Author: AIDIY
Description: A lightweight WordPress theme for AI automation resources, case studies, and workflow cards.
Version: 0.1.6
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: aidiy-resource-cards
*/

:root {
  --aidiy-bg: #eef8ef;
  --aidiy-bg-soft: #f7fcf7;
  --aidiy-surface: rgba(255, 255, 255, 0.56);
  --aidiy-surface-strong: #ffffff;
  --aidiy-text: #101814;
  --aidiy-muted: #586b62;
  --aidiy-line: #d2e5d3;
  --aidiy-line-strong: #bad8bd;
  --aidiy-accent: #183d2f;
  --aidiy-accent-soft: #dff1e3;
  --aidiy-radius: 12px;
  --aidiy-shadow: 0 18px 42px rgba(24, 61, 47, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.9), transparent 34rem),
    linear-gradient(180deg, #eaf7eb 0%, var(--aidiy-bg) 42%, #f4fbf4 100%);
  color: var(--aidiy-text);
  font-family: "Noto Sans SC", "HarmonyOS Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.2em;
}

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

.site-page {
  min-height: 100vh;
}

.site-shell {
  width: min(100% - 2rem, 952px);
  margin-inline: auto;
}

.site-header {
  padding: 2rem 0 1rem;
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--aidiy-text);
  font-weight: 750;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.site-brand__mark {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border: 1px solid var(--aidiy-line-strong);
  border-radius: 0.7rem;
  background: var(--aidiy-surface-strong);
  color: var(--aidiy-accent);
  font-size: 0.92rem;
  box-shadow: 0 8px 24px rgba(24, 61, 47, 0.08);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--aidiy-muted);
  font-size: 0.92rem;
}

.site-nav a {
  color: var(--aidiy-muted);
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus {
  color: var(--aidiy-text);
}

.site-nav ul {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin: 2.25rem 0 2.6rem;
  color: var(--aidiy-muted);
  font-size: 0.95rem;
  text-decoration: none;
}

.back-link:hover,
.back-link:focus {
  color: var(--aidiy-text);
}

.resource-hero {
  margin: 0 auto 3.4rem;
  text-align: center;
}

.resource-hero__eyebrow,
.resource-section__eyebrow {
  margin: 0 0 0.9rem;
  color: var(--aidiy-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.17em;
  line-height: 1.4;
  text-transform: uppercase;
}

.resource-hero h1 {
  margin: 0;
  color: var(--aidiy-text);
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  font-weight: 820;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.resource-hero__subtitle {
  max-width: 42rem;
  margin: 1.2rem auto 0;
  color: var(--aidiy-muted);
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.8;
}

.resource-library--home {
  padding-top: clamp(2.6rem, 7vw, 5rem);
}

.resource-section {
  margin: 0 0 3.2rem;
}

.resource-list {
  display: grid;
  gap: 0.62rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.resource-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-height: 4rem;
  padding: 1.05rem 1.42rem;
  border: 1px solid var(--aidiy-line);
  border-radius: var(--aidiy-radius);
  background: var(--aidiy-surface);
  color: var(--aidiy-text);
  text-decoration: none;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease,
    box-shadow 180ms ease;
}

.resource-card:hover,
.resource-card:focus {
  border-color: var(--aidiy-line-strong);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--aidiy-shadow);
  transform: translateY(-1px);
}

.resource-card:focus-visible,
.site-brand:focus-visible,
.back-link:focus-visible,
.site-nav a:focus-visible {
  outline: 3px solid rgba(24, 61, 47, 0.2);
  outline-offset: 4px;
}

.resource-card__icon {
  display: grid;
  width: 1.9rem;
  height: 1.9rem;
  place-items: center;
  border-radius: 0.65rem;
  background: var(--aidiy-accent-soft);
  font-size: 1rem;
  line-height: 1;
}

.resource-card__title {
  overflow: hidden;
  color: var(--aidiy-text);
  font-size: 1rem;
  font-weight: 720;
  letter-spacing: -0.02em;
  line-height: 1.45;
  text-overflow: ellipsis;
}

.resource-card__arrow {
  color: var(--aidiy-muted);
  font-size: 1.15rem;
  opacity: 0.78;
}

.empty-state {
  padding: 2rem;
  border: 1px dashed var(--aidiy-line-strong);
  border-radius: var(--aidiy-radius);
  background: rgba(255, 255, 255, 0.5);
  color: var(--aidiy-muted);
  text-align: center;
}

.article-shell {
  width: min(100% - 2rem, 780px);
  margin-inline: auto;
}

.article-header {
  margin: 1.5rem 0 2.4rem;
}

.article-header h1 {
  margin: 0;
  color: var(--aidiy-text);
  font-size: clamp(2rem, 4.8vw, 4rem);
  font-weight: 820;
  letter-spacing: -0.06em;
  line-height: 1.05;
}

.article-meta {
  margin: 1rem 0 0;
  color: var(--aidiy-muted);
  font-size: 0.93rem;
}

.article-featured-image {
  overflow: hidden;
  margin: 0 0 2rem;
  border: 1px solid var(--aidiy-line);
  border-radius: calc(var(--aidiy-radius) + 4px);
  background: var(--aidiy-surface);
}

.article-content {
  color: #17231d;
  font-size: 1.06rem;
}

.article-content > * {
  margin-top: 0;
  margin-bottom: 1.35rem;
}

.article-content h2,
.article-content h3 {
  margin-top: 2.4rem;
  color: var(--aidiy-text);
  letter-spacing: -0.035em;
  line-height: 1.2;
}

.article-content h2 {
  font-size: clamp(1.55rem, 3vw, 2.1rem);
}

.article-content h3 {
  font-size: 1.28rem;
}

.article-content p,
.article-content li {
  color: #25352d;
}

.article-content a {
  color: var(--aidiy-accent);
  font-weight: 650;
}

.article-content blockquote {
  margin-inline: 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--aidiy-accent);
  border-radius: 0 var(--aidiy-radius) var(--aidiy-radius) 0;
  background: rgba(255, 255, 255, 0.58);
  color: var(--aidiy-muted);
}

.article-content code {
  padding: 0.1rem 0.32rem;
  border-radius: 0.35rem;
  background: rgba(24, 61, 47, 0.09);
  font-size: 0.92em;
}

.article-content pre {
  overflow-x: auto;
  padding: 1rem;
  border: 1px solid var(--aidiy-line);
  border-radius: var(--aidiy-radius);
  background: #102017;
  color: #ecf7ed;
}

.post-navigation,
.comments-area {
  width: min(100% - 2rem, 780px);
  margin: 2.5rem auto;
}

.site-footer {
  margin-top: 5rem;
  padding: 2rem 0 2.4rem;
  color: var(--aidiy-muted);
  font-size: 0.9rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  border-top: 1px solid var(--aidiy-line);
  padding-top: 1.4rem;
}

.site-footer a {
  color: var(--aidiy-muted);
  text-decoration: none;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

@media (max-width: 720px) {
  .site-header {
    padding-top: 1.2rem;
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav,
  .site-nav ul {
    flex-wrap: wrap;
    gap: 0.65rem 0.9rem;
  }

  .back-link {
    margin: 1.5rem 0 2.1rem;
  }

  .resource-hero {
    margin-bottom: 2.3rem;
    text-align: left;
  }

  .resource-library--home {
    padding-top: 2rem;
  }

  .resource-card {
    grid-template-columns: auto minmax(0, 1fr);
    padding: 0.92rem 1rem;
  }

  .resource-card__arrow {
    display: none;
  }

  .site-footer__inner {
    align-items: flex-start;
    flex-direction: column;
  }
}