/* ==================================================
   1. FONT
================================================== */

@font-face {
  font-family: "Atkinson Hyperlegible Next";
  src: url("/fonts/AtkinsonHyperlegibleNext.woff2") format("woff2");
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}

/* ==================================================
   2. THEME VARIABLES
================================================== */

:root {
  --bg: #090909;
  --surface: #1f1f1f;
  --surface-strong: #252525;
  --border: #2a2a2a;

  --text: #cfc6bf;
  --text-light: #e2d6cf;
  --text-lighter: #f5e9e2;

  --accent-soft: rgba(197, 27, 43, 0.15);
  --accent: #c51b2b;
  --accent-hover: #a31222;
}

html[data-theme="light"] {
  --bg: #eef1f4;
  --surface: #f9fafb;
  --surface-strong: #eef2f6;
  --border: #d8dde3;

  --text: #1f2933;
  --text-light: #4a5560;
  --text-lighter: #111827;

  --accent-soft: rgba(163, 18, 34, 0.12);
  --accent: #a31222;
  --accent-hover: #7f0e1a;
}

/* ==================================================
   3. BASE / RESET
================================================== */

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 60%;
}

body {
  background-color: var(--bg);
  font-family:
    "Atkinson Hyperlegible Next",
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.5;
  color: var(--text);
  padding: 2rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
  transition:
    background-color 0.3s,
    color 0.3s;
}

/* ==================================================
   4. DETAILS / SUMMARY SYSTEM (GLOBAL)
================================================== */

summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.6rem;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "▸";
  transition: transform 0.2s ease;
  margin-left: auto;
}

details[open] > summary::after {
  transform: rotate(90deg);
}

/* ==================================================
   5. HEADER
================================================== */

.site-header {
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
}

.site-header h1 {
  color: var(--accent);
  font-size: 3rem;
  font-weight: 600;
  text-transform: uppercase;
}

.site-header p {
  font-size: 1.4rem;
  margin-top: 0.5rem;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.theme-selection {
  display: flex;
  align-items: center;
  gap: 1rem;
}

#theme-toggle {
  all: unset;
  cursor: pointer;
  font-size: 2rem;
}

/* ==================================================
   6. SOURCES
================================================== */

.about-sources {
  margin-top: 1.5rem;
  font-size: 1.3rem;
}

.about-sources > summary {
  font-weight: 600;
  color: var(--text-light);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.about-sources > summary:hover {
  color: var(--accent);
}

.sources-group details {
  margin-bottom: 1rem;
}

.sources-group summary {
  font-weight: 600;
  color: var(--text-lighter);
  margin-bottom: 0.6rem;
}

.sources-group ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 220px));
  gap: 0.5rem 1rem;
  list-style: none;
}

.sources-group a {
  text-decoration: none;
  color: var(--text);
  transition: color 0.2s ease;
}

.sources-group a:hover {
  color: var(--accent);
}

/* ==================================================
   7. DAY HEADING
================================================== */

.daily-heading {
  font-size: 2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--text-lighter);

  border-bottom: 2px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 1.5rem;
}

/* ==================================================
   8. CARD COMPONENT
================================================== */

.card {
  background-color: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 1.5rem;
  transition:
    background-color 0.2s,
    transform 0.2s,
    box-shadow 0.2s;
}

.card:hover {
  background-color: var(--surface-strong);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.card-section {
  padding: 1.8rem;
}

/* ---------- Card Header ---------- */

.card-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 0.8rem;
}

.card-header h3 {
  flex: 1;
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-lighter);
  word-break: break-word;
}

.card-actions {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}

/* ---------- Primary Button ---------- */

.card-action--primary {
  background-color: var(--accent);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  font-size: 1.2rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: background-color 0.2s ease;
  box-shadow: 0px 2px 3px rgba(0, 0, 0, 0.3);
}

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

/* ---------- Copy Button ---------- */

.copy-link {
  all: unset;
  cursor: pointer;
  width: 2.8rem;
  height: 2.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(97, 97, 97, 0.12);
  color: var(--accent);
  font-size: 1.4rem;
  transition:
    background-color 0.2s ease,
    transform 0.15s ease;
}

.copy-link:hover {
  background-color: rgba(200, 200, 200, 0.25);
  transform: scale(1.05);
}

.copy-link:active {
  transform: scale(0.95);
}

.copy-link:focus {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.copy-link--copied {
  background-color: var(--accent);
  color: white;
}

/* ---------- Meta ---------- */

.meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 1.3rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed var(--border);
  padding-bottom: 0.6rem;
  opacity: 0.85;
}

.source {
  background-color: var(--accent-soft);
  color: var(--accent);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  text-transform: uppercase;
  transition:
    background-color 0.2s ease,
    transform 0.15s ease;
}

.source:hover {
  background-color: var(--accent);
  color: white;
  transform: translateY(-1px);
}

/* ---------- Description ---------- */

.card-summary {
  font-size: 1.5rem;
  color: var(--text-light);
  font-weight: 500;
}

.card-summary:hover {
  color: var(--accent);
}

.description {
  font-size: 1.4rem;
  color: var(--text-light);
  line-height: 1.6;
  text-align: justify;
  hyphens: auto;
}

.reddit-share {
  display: inline-block;
  margin-top: 1.8rem;
  padding-left: 1rem;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-light);
  text-decoration: none;
  border-left: 3px solid var(--accent);
  opacity: 0.9;
  transition:
    opacity 0.2s ease,
    transform 0.15s ease;
}

.reddit-share:hover {
  opacity: 1;
  transform: translateX(2px);
  color: var(--text-lighter);
}

/* ==================================================
   9. FOOTER
================================================== */

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 1.3rem;
  display: flex;
  justify-content: space-between;
}

.footer-link {
  color: var(--accent);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text-lighter);
  text-decoration: underline;
}

/* ==================================================
   10. RESPONSIVE
================================================== */

@media (max-width: 600px) {
  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-actions {
    margin-top: 0.8rem;
  }
}