:root {
  --accent: #7c3aed;
  --bg: oklch(0.99 0.002 90);
  --text: oklch(0.16 0.004 290);
  --muted: oklch(0.16 0.004 290 / 0.55);
  --border: oklch(0.16 0.004 290 / 0.12);
  --card-bg: oklch(1 0 0);
  --page-pad: 48px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  font-family: 'Work Sans', sans-serif;
}
a { color: inherit; text-decoration: none; }
button { font: inherit; }

/* ---------- header / nav ---------- */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 26px var(--page-pad);
  border-bottom: 1.5px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}
.logo-mark {
  width: 16px;
  height: 16px;
  background: var(--accent);
  transform: rotate(45deg);
  flex-shrink: 0;
}
.logo-svg-box {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.logo-svg-box svg { width: 100%; height: 100%; }
.brand-name {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--text);
}

/* ---------- tag badges ---------- */
.tag-badge-accent {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  padding: 5px 12px;
  margin-bottom: 18px;
}
.tag-badge-small {
  display: inline-block;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: transparent;
  border: 1.5px solid var(--accent);
  padding: 3px 9px;
  margin-bottom: 10px;
}

/* ---------- tag filter row ---------- */
.tag-row {
  display: flex;
  gap: 10px;
  padding: 28px var(--page-pad) 8px;
  flex-wrap: wrap;
}
.tag-chip {
  font-family: 'Work Sans', sans-serif;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 16px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text);
  white-space: nowrap;
}
.tag-chip.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

/* ---------- hero ---------- */
.hero {
  display: flex;
  flex-direction: row;
  gap: 48px;
  padding: 64px var(--page-pad);
  border-bottom: 1.5px solid var(--border);
  align-items: center;
  cursor: pointer;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  text-align: left;
  color: inherit;
  width: 100%;
}
.hero-content { flex: 1 1 46%; min-width: 0; }
.hero-image-wrap { flex: 1 1 54%; min-width: 0; width: 100%; }
.hero-title {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 42px;
  line-height: 1.1;
  margin: 0 0 18px;
  letter-spacing: -0.01em;
}
.hero-excerpt {
  font-size: 17px;
  line-height: 1.6;
  color: var(--muted);
  max-width: 520px;
  margin: 0;
}
.hero-meta {
  font-family: 'Work Sans', sans-serif;
  font-size: 13px;
  opacity: 0.6;
  margin-top: 18px;
}
.hero-button {
  margin-top: 28px;
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 14px;
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 13px 26px;
  cursor: pointer;
}
.cover-media, .placeholder-media {
  aspect-ratio: 16 / 9;
  width: 100%;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
}

/* ---------- grid / cards ---------- */
.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  padding: 20px var(--page-pad) 64px;
}
.post-card {
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  cursor: pointer;
  text-align: left;
  color: inherit;
  padding: 0;
  display: block;
  width: 100%;
}
.post-card-body { padding: 18px 20px 22px; }
.post-card-title {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  margin: 0 0 10px;
}
.post-card-excerpt {
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}
.post-card-date {
  font-family: 'Work Sans', sans-serif;
  font-size: 12px;
  opacity: 0.55;
  margin-top: 12px;
}

/* ---------- single post ---------- */
.post-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}
.back-button {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  margin-bottom: 24px;
  display: block;
}
.post-title {
  font-family: 'Sora', sans-serif;
  font-weight: 800;
  font-size: 36px;
  line-height: 1.15;
  margin: 0 0 4px;
}
.post-meta {
  font-family: 'Work Sans', sans-serif;
  font-size: 14px;
  opacity: 0.6;
  margin: 14px 0 32px;
}
.post-body {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
}
.post-body p { margin: 0; }
.post-body h2 { font-family: 'Sora', sans-serif; font-weight: 700; font-size: 22px; margin: 12px 0 0; }
.post-body ul { margin: 0; padding-left: 22px; }
.post-body img, .post-body video, .post-body iframe { max-width: 100%; display: block; margin: 12px 0; }
.post-body blockquote {
  font-family: 'Sora', sans-serif;
  font-weight: 600;
  font-size: 22px;
  line-height: 1.45;
  border-left: 4px solid var(--accent);
  padding-left: 20px;
  margin: 12px 0;
}
.post-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1.5px solid var(--border);
}
.post-footer-brand { font-family: 'Sora', sans-serif; font-weight: 700; }

/* ---------- footer ---------- */
.site-footer {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  padding: 40px var(--page-pad);
  border-top: 1.5px solid var(--border);
  text-align: center;
}
.footer-brand { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 15px; letter-spacing: 0.02em; }
.footer-copy { font-family: 'Work Sans', sans-serif; font-size: 13px; opacity: 0.55; }
.footer-admin-link { font-size: 11px; opacity: 0.35; margin-top: 4px; display: inline-block; }

/* ---------- responsive: mobile < 720px ---------- */
@media (max-width: 719px) {
  :root { --page-pad: 20px; }
  .site-nav { padding: 18px var(--page-pad); }
  .hero { flex-direction: column; gap: 28px; padding: 36px var(--page-pad); }
  .hero-title { font-size: 30px; }
  .tag-row { overflow-x: auto; }
  .post-grid { grid-template-columns: 1fr; gap: 20px; }
  .post-main { padding: 32px 18px 80px; }
  .post-title { font-size: 26px; }
}

/* ==================== admin page ==================== */
.admin-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 48px;
  border-bottom: 1.5px solid var(--border);
}
.admin-back-link { font-size: 14px; font-weight: 600; color: var(--muted); }
.admin-main { max-width: 640px; margin: 0 auto; padding: 48px 24px 100px; }
.admin-title { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 32px; margin: 0 0 4px; }
.admin-panel-header { display: flex; align-items: center; justify-content: space-between; }
.admin-section-title { font-family: 'Sora', sans-serif; font-weight: 800; font-size: 19px; margin: 40px 0 16px; }

.form-field { display: flex; flex-direction: column; gap: 6px; margin: 16px 0; }
.form-label {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}
.form-input, .form-select {
  font-family: 'Work Sans', sans-serif;
  font-size: 15px;
  padding: 10px 12px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
}
.form-textarea {
  font-family: 'Work Sans', sans-serif;
  font-size: 15px;
  padding: 10px 12px;
  min-height: 140px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  resize: vertical;
}

.primary-button {
  font-family: 'Sora', sans-serif;
  font-weight: 700;
  font-size: 14px;
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 12px 22px;
  cursor: pointer;
}
.primary-button:disabled { opacity: 0.5; cursor: default; }
.text-button {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 14px;
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
}
.save-row { display: flex; align-items: center; gap: 14px; margin-top: 8px; }
.saved-note { font-size: 13px; color: #2f9e44; font-weight: 600; }
.error-note { color: #e03131; font-size: 13px; }

.logo-preview-row { display: flex; align-items: center; gap: 14px; }
.logo-preview-box {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--border);
}
.logo-preview-box svg { width: 100%; height: 100%; }

.accent-row { display: flex; gap: 10px; }
.accent-swatch {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  padding: 0;
  border: 1.5px solid var(--border);
}
.accent-swatch.is-active { border: 3px solid var(--text); }

.edit-panel { border: 1.5px solid var(--border); padding: 20px; margin: 16px 0 28px; background: var(--card-bg); }
.video-file-button {
  font-family: 'Work Sans', sans-serif;
  font-size: 12px;
  font-weight: 600;
  padding: 7px 12px;
  margin-top: 8px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
}
.cover-picker { display: flex; gap: 10px; flex-wrap: wrap; }
.cover-thumb {
  width: 72px;
  height: 72px;
  background-size: cover;
  background-position: center;
  cursor: pointer;
  border: 1.5px solid var(--border);
}
.cover-thumb.is-selected { border: 3px solid var(--accent); }

.post-list { display: flex; flex-direction: column; gap: 10px; margin-top: 20px; }
.post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
}
.post-row-actions { display: flex; gap: 8px; flex-shrink: 0; }
.small-button {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 12px;
  padding: 7px 12px;
  border: 1.5px solid var(--border);
  background: transparent;
  color: var(--text);
  cursor: pointer;
}
.small-danger-button {
  font-family: 'Work Sans', sans-serif;
  font-weight: 600;
  font-size: 12px;
  padding: 7px 12px;
  border: 1.5px solid #e03131;
  background: transparent;
  color: #e03131;
  cursor: pointer;
}

.ql-editor { min-height: 220px; font-family: 'Work Sans', sans-serif; font-size: 15px; line-height: 1.6; }
.ql-toolbar.ql-snow { border-color: var(--border); }
.ql-container.ql-snow { border-color: var(--border); }

.hidden { display: none !important; }