/* ==========================================================================
   ComicReader Base Styles & Theme Tokens (base.css)
   ========================================================================== */

:root {
  --bg-main: #0c0d12;
  --bg-surface: #14161f;
  --bg-surface-elevated: #1c1f2e;
  --bg-surface-translucent: rgba(20, 22, 31, 0.75);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text-primary: #f5f5f7;
  --text-secondary: #98989f;
  --text-tertiary: #686873;
  --accent-blue: #0a84ff;
  --accent-blue-hover: #0071e3;
  --accent-glow: rgba(10, 132, 255, 0.25);
  --font-sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --transition-fast: 0.2s ease;
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --max-width: 1140px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-family: var(--font-sans);
  background-color: var(--bg-main);
  color: var(--text-primary);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}
body { line-height: 1.6; overflow-x: hidden; }

/* Layout & Containers */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.max-w-narrow { max-width: 780px; }
.text-center { text-align: center; }

/* Header & Navigation */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--bg-surface-translucent);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: var(--transition-fast);
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text-primary); font-weight: 700; font-size: 1.15rem; }
.brand-icon { border-radius: 9px; box-shadow: 0 4px 12px rgba(0,0,0,0.4); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link { text-decoration: none; color: var(--text-secondary); font-size: 0.95rem; font-weight: 500; transition: color var(--transition-fast); }
.nav-link:hover { color: var(--text-primary); }
.nav-actions { display: flex; align-items: center; gap: 14px; }

.mobile-menu-toggle {
  display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; padding: 6px;
}
.mobile-menu-toggle span {
  display: block; width: 22px; height: 2px; background-color: var(--text-primary); border-radius: 2px; transition: var(--transition-fast);
}

/* Buttons & Badges */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; text-decoration: none; border-radius: var(--radius-pill);
  transition: all var(--transition-fast); cursor: pointer; border: 1px solid transparent;
}
.btn-sm { padding: 8px 18px; font-size: 0.9rem; }
.btn-lg { padding: 14px 28px; font-size: 1.05rem; }
.btn-primary { background-color: var(--accent-blue); color: #fff; box-shadow: 0 4px 18px var(--accent-glow); }
.btn-primary:hover { background-color: var(--accent-blue-hover); transform: translateY(-1px); box-shadow: 0 6px 24px rgba(10,132,255,0.4); }
.btn-secondary { background-color: var(--bg-surface-elevated); color: var(--text-primary); border-color: var(--border-strong); }
.btn-secondary:hover { background-color: rgba(255,255,255,0.12); transform: translateY(-1px); }

.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px;
  border-radius: var(--radius-pill); font-size: 0.85rem; font-weight: 500;
  background: var(--bg-surface-elevated); border: 1px solid var(--border-strong); color: var(--text-secondary);
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; background-color: #34c759; box-shadow: 0 0 10px #34c759; }
.gradient-text {
  background: linear-gradient(135deg, #ffffff 20%, #98989f 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* Common Section Styles */
.section-block { padding: 90px 0; }
.bg-surface { background-color: var(--bg-surface); }
.section-heading { margin-bottom: 56px; }
.section-tag {
  display: inline-block; font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent-blue); margin-bottom: 12px;
}
.section-title { font-size: clamp(2rem, 3.2vw, 2.6rem); font-weight: 700; letter-spacing: -0.02em; margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 620px; margin: 0 auto; }

/* Site Footer */
.site-footer { background: #090a0d; border-top: 1px solid var(--border-subtle); padding: 60px 0 32px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.brand-inline { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 12px; }
.brand-inline img { border-radius: 6px; }
.footer-bio { color: var(--text-secondary); font-size: 0.9rem; margin-bottom: 20px; max-width: 360px; }
.copyright { font-size: 0.8rem; color: var(--text-tertiary); }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 18px; color: var(--text-primary); }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { text-decoration: none; color: var(--text-secondary); font-size: 0.9rem; transition: color var(--transition-fast); }
.footer-links a:hover { color: var(--accent-blue); }