/* ============================================================
   ShareBin.eu – Shared styles for all public pages
   (features, security, privacy, terms, contact, changelog)
   ============================================================ */

/* ---- Custom purple scrollbar ---- */
::-webkit-scrollbar { width: 0; }
* { scrollbar-width: none; }
#sb-scrollbar {
  position: fixed;
  top: 0; right: 0;
  width: 5px;
  height: 100%;
  z-index: 9999;
  pointer-events: none;
}
#sb-scrollbar-thumb {
  position: absolute;
  right: 0;
  width: 5px;
  border-radius: 3px;
  background: rgba(139, 92, 246, 0.5);
  opacity: 0;
  transition: opacity 0.6s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--sb-bg, #0a0b16);
  color: var(--sb-text, #f1f5f9);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

:root {
  --sb-bg: #0a0b16;
  --sb-bg-nav: rgba(10, 11, 22, 0.97);
  --sb-bg-card: #11162b;
  --sb-bg-card-alt: #0f1628;
  --sb-accent: #8b5cf6;
  --sb-accent-hover: #7c3aed;
  --sb-accent-rgb: 139, 92, 246;
  --sb-text: #f1f5f9;
  --sb-text-muted: #94a3b8;
  --sb-border: rgba(255, 255, 255, 0.07);
  --sb-border-accent: rgba(139, 92, 246, 0.3);
  --sb-radius: 16px;
  --sb-radius-sm: 10px;
  --sb-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --sb-max-w: 900px;
}

/* ---- Navigation ---- */
.sb-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--sb-bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sb-border);
}

.sb-nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.sb-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--sb-text);
  flex-shrink: 0;
}

.sb-logo img {
  width: 30px;
  height: 30px;
  border-radius: 6px;
  object-fit: contain;
}

.sb-nav-links {
  display: flex;
  list-style: none;
  gap: 4px;
  margin: 0 0 0 auto;
  padding: 0;
}

.sb-nav-links a {
  text-decoration: none;
  color: var(--sb-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.sb-nav-links a:hover,
.sb-nav-links a.sb-nav-active {
  color: var(--sb-text);
  background: rgba(255, 255, 255, 0.06);
}

.sb-open-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: var(--sb-accent);
  color: #fff !important;
  text-decoration: none;
  border-radius: 9px;
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
  transition: background 0.2s, transform 0.15s;
}

.sb-open-btn:hover {
  background: var(--sb-accent-hover);
  transform: translateY(-1px);
}

.sb-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  margin-left: auto;
}

.sb-nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--sb-text);
  border-radius: 2px;
  transition: all 0.2s;
}

/* ---- Page hero (sub-pages) ---- */
.sb-page-hero {
  padding: 72px 24px 48px;
  text-align: center;
  max-width: var(--sb-max-w);
  margin: 0 auto;
}

.sb-page-hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--sb-text);
  margin-bottom: 16px;
}

.sb-page-hero p {
  font-size: 1.05rem;
  color: var(--sb-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ---- Page content ---- */
.sb-page-content {
  max-width: var(--sb-max-w);
  margin: 0 auto 80px;
  padding: 0 24px;
}

.sb-section {
  margin-bottom: 48px;
}

.sb-section h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--sb-text);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--sb-border);
}

.sb-section h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--sb-text);
  margin: 20px 0 8px;
}

.sb-section p {
  color: var(--sb-text-muted);
  margin-bottom: 12px;
}

.sb-section ul, .sb-section ol {
  color: var(--sb-text-muted);
  padding-left: 24px;
  margin-bottom: 12px;
}

.sb-section li {
  margin-bottom: 6px;
}

.sb-section a {
  color: var(--sb-accent);
  text-decoration: none;
}

.sb-section a:hover {
  text-decoration: underline;
}

/* ---- Cards ---- */
.sb-card {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 28px;
  margin-bottom: 16px;
}

.sb-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-bottom: 16px;
}

.sb-feature-item {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-sm);
  padding: 20px;
}

.sb-feature-item .sb-fi-icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.sb-feature-item h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sb-text);
  margin: 0 0 8px;
}

.sb-feature-item p {
  font-size: 0.875rem;
  color: var(--sb-text-muted);
  margin: 0;
}

/* ---- Changelog ---- */
.sb-changelog-entry {
  border-left: 2px solid var(--sb-border-accent);
  padding-left: 20px;
  margin-bottom: 32px;
  position: relative;
}

.sb-changelog-entry::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 6px;
  width: 8px;
  height: 8px;
  background: var(--sb-accent);
  border-radius: 50%;
}

.sb-changelog-date {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sb-accent);
  font-family: 'Roboto Mono', monospace;
  margin-bottom: 8px;
}

.sb-changelog-items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sb-changelog-items li {
  color: var(--sb-text-muted);
  padding: 4px 0;
  display: flex;
  gap: 8px;
}

.sb-changelog-items li::before {
  content: '–';
  color: var(--sb-accent);
  flex-shrink: 0;
}

/* ---- Contact ---- */
.sb-contact-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.sb-contact-card {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius-sm);
  padding: 20px;
  text-decoration: none !important;
  color: var(--sb-text);
  transition: border-color 0.2s, background 0.2s, transform 0.18s;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sb-contact-card:hover {
  border-color: var(--sb-border-accent);
  background: var(--sb-bg-card-alt);
  color: var(--sb-text) !important;
  text-decoration: none !important;
  transform: translateY(-2px);
}

.sb-contact-card-icon {
  display: flex;
  align-items: center;
  color: var(--sb-accent);
  margin-bottom: 2px;
}

.sb-contact-card-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sb-text);
}

.sb-contact-card-desc {
  font-size: 0.85rem;
  color: var(--sb-text-muted);
}

/* ---- Breadcrumb ---- */
.sb-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--sb-text-muted);
  padding: 20px 24px 0;
  max-width: var(--sb-max-w);
  margin: 0 auto;
}

.sb-breadcrumb a {
  color: var(--sb-text-muted);
  text-decoration: none;
}

.sb-breadcrumb a:hover {
  color: var(--sb-accent);
}

.sb-breadcrumb-sep {
  opacity: 0.5;
}

/* ---- Footer ---- */
.sb-footer {
  border-top: 1px solid var(--sb-border);
  padding: 40px 24px;
  margin-top: auto;
}

.sb-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.sb-footer-logo {
  font-weight: 700;
  font-size: 1rem;
  color: var(--sb-text);
  text-decoration: none;
}
.sb-footer-bin { color: var(--sb-accent); }

.sb-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.sb-footer-nav a {
  color: var(--sb-text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 4px 10px;
  border-radius: 6px;
  transition: color 0.2s;
}

.sb-footer-nav a:hover {
  color: var(--sb-text);
}

.sb-footer-copy {
  font-size: 0.8rem;
  color: var(--sb-text-muted);
  margin-left: auto;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .sb-nav-links {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--sb-bg-nav);
    border-bottom: 1px solid var(--sb-border);
    flex-direction: column;
    padding: 12px;
    gap: 2px;
  }

  .sb-nav-links.sb-nav-open {
    display: flex;
  }

  .sb-nav-toggle {
    display: flex;
  }

  .sb-open-btn {
    display: none;
  }

  .sb-nav-inner {
    gap: 16px;
    position: relative;
  }

  .sb-page-hero {
    padding: 48px 20px 32px;
  }

  .sb-footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .sb-footer-copy {
    margin-left: 0;
  }
}