.tc-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.tc-site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--tc-panel) 90%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--tc-line);
}
.tc-header-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 24px; gap: 16px; flex-wrap: wrap; }
.tc-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--tc-text); }
.tc-brand:hover { text-decoration: none; }
.tc-brand-mark { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--tc-primary), #22D3EE); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; }
.tc-brand-name { font-size: 16px; }

.tc-primary-nav { flex: 1; display: flex; justify-content: center; }
.tc-nav-list { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; flex-wrap: wrap; }
.tc-nav-list li { margin: 0; }
.tc-nav-list a { display: inline-block; padding: 8px 14px; border-radius: 999px; color: var(--tc-muted); font-size: 14px; font-weight: 600; }
.tc-nav-list a:hover { color: var(--tc-text); text-decoration: none; background: var(--tc-line); }
.tc-nav-list a.tc-nav-cta { background: var(--tc-primary); color: #fff; }

.tc-theme-toggle { width: 36px; height: 36px; border-radius: 10px; border: 1px solid var(--tc-line); background: var(--tc-panel); color: var(--tc-muted); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.tc-theme-toggle svg { width: 18px; height: 18px; }
.tc-theme-toggle:hover { color: var(--tc-primary); border-color: var(--tc-primary); }

/* Hero */
.tc-hero { text-align: center; padding: 80px 20px 50px; }
.tc-hero h1 { font-size: clamp(32px, 5vw, 52px); margin: 0 0 16px; letter-spacing: -0.02em; }
.tc-hero-sub { color: var(--tc-muted); font-size: 17px; max-width: 640px; margin: 0 auto 28px; }
.tc-hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.tc-btn { display: inline-block; padding: 12px 22px; border-radius: 10px; border: 1px solid var(--tc-line); background: var(--tc-panel); color: var(--tc-text); font-weight: 600; cursor: pointer; transition: all .15s ease; }
.tc-btn:hover { border-color: var(--tc-primary); color: var(--tc-primary); text-decoration: none; transform: translateY(-1px); }
.tc-btn-primary { background: var(--tc-primary); border-color: var(--tc-primary); color: #fff; }
.tc-btn-primary:hover { color: #fff; filter: brightness(1.05); }

/* Features grid */
.tc-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; padding: 40px 0 60px; }
.tc-feature-card { background: var(--tc-panel); border: 1px solid var(--tc-line); border-radius: var(--tc-radius); padding: 24px; display: block; color: inherit; }
.tc-feature-card h3 { margin: 0 0 8px; font-size: 17px; }
.tc-feature-card p { margin: 0; color: var(--tc-muted); font-size: 14px; line-height: 1.6; }

.tc-cta-band { text-align: center; padding: 50px 20px; margin-bottom: 60px; background: var(--tc-panel); border: 1px solid var(--tc-line); border-radius: var(--tc-radius); }
.tc-cta-band h2 { margin: 0 0 18px; }

/* Generic page */
.tc-page { padding: 40px 24px 80px; }
.tc-page-header h1 { font-size: 30px; margin: 0 0 8px; }
.tc-post-meta { color: var(--tc-muted); font-size: 13px; }
.tc-article { max-width: 820px; margin: 0 auto; }
.tc-archive-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 18px; }
.tc-404 { text-align: center; padding: 100px 20px; }

/* App shell wrapper around the plugin's mounted app */
.tc-subnav { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 auto 18px; max-width: 1320px; }
.tc-subnav-link { padding: 8px 14px; border-radius: 999px; border: 1px solid var(--tc-line); color: var(--tc-muted); font-size: 13px; font-weight: 600; }
.tc-subnav-link:hover { color: var(--tc-text); text-decoration: none; }
.tc-subnav-link.is-current { background: var(--tc-primary); border-color: var(--tc-primary); color: #fff; }
.tc-app-shell { max-width: 1320px; margin: 0 auto; }

/* Footer */
.tc-site-footer { border-top: 1px solid var(--tc-line); margin-top: 60px; padding: 40px 0; }
.tc-footer-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; text-align: center; }
.tc-footer-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; }
.tc-footer-nav-list { list-style: none; display: flex; gap: 16px; padding: 0; margin: 0; }
.tc-footer-nav-list a { color: var(--tc-muted); font-size: 13px; }
.tc-footer-copy { color: var(--tc-muted); font-size: 12.5px; margin: 0; }

@media (max-width: 782px) {
  .tc-header-inner { flex-direction: column; align-items: flex-start; }
  .tc-primary-nav { width: 100%; justify-content: flex-start; overflow-x: auto; }
  .tc-hero { padding: 50px 16px 30px; }
}