/* ---------------------------------------------
   Proton Pulse - shared design system
   --------------------------------------------- */

:root {
  --bg:      #151a20;
  --s1:      #1c2128;
  --s2:      #242c38;
  --s3:      #2c3644;
  --border:  #343e50;
  --border2: #445066;
  --text:    #d8e0ea;
  --muted:   #7e94a8;
  --accent:  #56aad8;
  --strong:  #f2f5f9;
  --green:   #4caf80;
  --gold:    #c8a050;
  --silver:  #8fa0b0;
  --bronze:  #b07040;
  --red:     #c85050;
  --mono:    "SF Mono", "Consolas", "Liberation Mono", monospace;
  --sidebar-w: 260px;
  --topnav-h: 48px;
}

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

/* Enforce hidden attribute — CSS display rules can override it otherwise */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  padding: 1px 5px;
}

/* ============================================================
   LAYOUT: sidebar + topbar shell
   ============================================================ */

/* -- Top bar (always visible, slim) -- */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  height: var(--topnav-h);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: var(--s1);
  border-bottom: 1px solid var(--border);
}

.topbar-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border2);
  color: var(--muted);
  font-size: 1.1rem;
  width: 32px;
  height: 32px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color .15s, border-color .15s;
}
.topbar-toggle:hover { color: var(--text); border-color: var(--accent); }

.hamburger,
.hamburger::before,
.hamburger::after {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 16px;
}
.hamburger::before { top: -5px; }
.hamburger::after  { top:  5px; }

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--strong);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.topbar-brand:hover { text-decoration: none; color: var(--strong); }

.topbar-spacer { flex: 1; }

.topbar-link {
  font-size: 0.78rem;
  color: var(--muted);
  transition: color .12s;
}
.topbar-link:hover { color: var(--text); text-decoration: none; }

.topbar-link--button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 32px;
  padding: 0 12px;
  border: 1px solid #3a4658;
  border-radius: 999px;
  background: linear-gradient(180deg, #242c38, #1b212b);
  color: #f2f5f9;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 4px 10px rgba(0, 0, 0, 0.18);
  transition: transform .12s, border-color .12s, background .12s, box-shadow .12s;
}

.topbar-link--button::before {
  content: '';
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='black' d='M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.5-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82a7.65 7.65 0 0 1 4 0c1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8Z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='black' d='M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.5-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82a7.65 7.65 0 0 1 4 0c1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8Z'/%3E%3C/svg%3E") center / contain no-repeat;
}

.topbar-link--button:hover {
  color: #fff;
  border-color: #4a596f;
  background: linear-gradient(180deg, #2a3442, #202733);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 8px 16px rgba(0, 0, 0, 0.24);
  transform: translateY(-1px);
}

/* -- Sidebar -- */

.sidebar-nav {
  position: fixed;
  top: var(--topnav-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  z-index: 150;
  background: var(--s1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: visible;
  -webkit-overflow-scrolling: touch;
}

.sidebar-section {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  position: relative;
}
.sidebar-section:last-child { border-bottom: none; }

.sidebar-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 8px;
  user-select: none;
}

.sidebar-links {
  display: flex;
  flex-direction: column;
}
.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 8px;
  margin: 0 -8px;
  font-size: 0.82rem;
  color: var(--muted);
  border-left: 2px solid transparent;
  transition: color .1s, background .1s, border-color .1s;
}
.sidebar-links a:hover {
  color: var(--text);
  background: var(--s2);
  text-decoration: none;
}
.sidebar-links a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: rgba(74, 159, 208, 0.06);
}
.sidebar-links a .nav-icon {
  width: 16px;
  text-align: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.sidebar-note {
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.55;
}
.sidebar-note strong { color: var(--text); font-weight: 600; }

.sidebar-contact {
  padding: 12px 16px 16px;
  margin-top: 4px;
}
.sidebar-contact-btn {
  display: block;
  text-align: center;
  padding: 8px 12px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid var(--border2);
  transition: color .12s, border-color .12s;
}
.sidebar-contact-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
  text-decoration: none;
}

.sidebar-brand-block {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--s1);
}
.sidebar-brand-icon {
  width: 46px;
  height: 46px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--s3);
  border: 1px solid var(--border2);
  margin-top: 2px;
}
.sidebar-brand-icon img { width: 32px; height: 32px; object-fit: contain; }
.sidebar-brand-copy h2 {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--strong);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.sidebar-brand-copy p {
  font-size: 0.7rem;
  color: var(--muted);
  line-height: 1.4;
  margin-top: 1px;
}

/* -- Main content area -- */

.main-content {
  margin-left: var(--sidebar-w);
  margin-top: var(--topnav-h);
  min-height: calc(100vh - var(--topnav-h));
  display: flex;
  flex-direction: column;
}

.main-inner {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 28px 48px;
}

/* -- Overlay for mobile sidebar -- */

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 140;
  background: rgba(0,0,0,0.5);
}
.sidebar-overlay.open { display: block; }

/* -- Footer -- */

.sitefooter {
  border-top: 1px solid var(--border);
  padding: 16px 28px;
  font-size: 0.74rem;
  color: var(--muted);
}
.sitefooter a { color: var(--muted); }
.sitefooter a:hover { color: var(--text); text-decoration: underline; }

/* ============================================================
   SHARED UTILITIES
   ============================================================ */

.section-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 10px;
}

.eyebrow {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--muted);
  margin-bottom: 4px;
}

/* -- Tier badge colors -- */
.tier-platinum { background: #b4c7dc; color: #0a0c10; }
.tier-gold     { background: #c8a050; color: #0a0c10; }
.tier-silver   { background: #8fa0b0; color: #0a0c10; }
.tier-bronze   { background: #b07040; color: #0a0c10; }
.tier-borked   { background: #c85050; color: #fff; }
.tier-pending  { background: #3a4a5a; color: var(--muted); }

/* ============================================================
   RESPONSIVE - sidebar collapse
   ============================================================ */

@media (max-width: 860px) {
  .topbar-toggle { display: flex; }

  .sidebar-nav {
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: none;
  }
  .sidebar-nav.open {
    transform: translateX(0);
    box-shadow: 6px 0 24px rgba(0,0,0,0.4);
  }

  .main-content {
    margin-left: 0;
  }

  .main-inner {
    padding: 20px 16px 40px;
  }

  /* hide desktop-only topbar links */
  .topbar-desktop-only { display: none; }
}

@media (min-width: 861px) {
  /* sidebar always open on desktop */
  .sidebar-nav {
    transform: translateX(0);
    top: 0;
  }
  .sidebar-overlay { display: none !important; }
  .topbar { left: var(--sidebar-w); }
  .topbar-brand { display: none; }
}

/* ============================================================
   AUTH CHIP — shared across all pages
   ============================================================ */

.gh-auth-chip {
  display: flex;
  align-items: center;
  position: relative;
  flex-shrink: 0;
}

.gh-login-btn {
  --steam-btn-bg-top: #21324a;
  --steam-btn-bg-bottom: #1a2637;
  --steam-btn-border: #304762;
  --steam-btn-shadow: rgba(0, 0, 0, 0.24);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: linear-gradient(180deg, var(--steam-btn-bg-top), var(--steam-btn-bg-bottom));
  border: 1px solid var(--steam-btn-border);
  border-radius: 16px;
  color: #f2f6fb;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 8px 18px var(--steam-btn-shadow);
  font-size: 0.9rem;
  font-weight: 700;
  font-family: inherit;
  letter-spacing: -0.01em;
  line-height: 1;
  min-height: 34px;
  padding: 1px 13px 1px 6px;
  cursor: pointer;
  transition: transform .12s, box-shadow .12s, border-color .12s, filter .12s;
  white-space: nowrap;
}
.gh-login-btn:hover {
  border-color: #3b5879;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.06),
    0 12px 24px rgba(0, 0, 0, 0.3);
  filter: brightness(1.04);
  transform: translateY(-1px);
}

.gh-login-btn:focus-visible {
  outline: 2px solid rgba(86, 170, 216, 0.75);
  outline-offset: 2px;
}

.gh-login-btn:disabled {
  opacity: 0.7;
  cursor: wait;
  transform: none;
}

.gh-login-btn__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.gh-login-btn__icon {
  width: 24px;
  height: 24px;
  display: block;
  overflow: visible;
}

.gh-login-btn__label {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.gh-user-menu {
  display: flex;
  align-items: center;
  gap: 7px;
  position: relative;
  cursor: pointer;
}
.gh-avatar {
  border-radius: 50%;
  border: 1px solid var(--border2);
  object-fit: cover;
  flex-shrink: 0;
}
.gh-username {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text);
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.gh-chevron {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.9rem;
  padding: 10px 8px;
  line-height: 1;
  transition: color .1s;
}
.gh-chevron:hover { color: var(--text); }

.gh-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--s2);
  border: 1px solid var(--border2);
  min-width: 180px;
  z-index: 500;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.gh-dropdown.open {
  display: flex;
  flex-direction: column;
}
.gh-dropdown a,
.gh-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 9px 14px;
  font-size: 0.8rem;
  color: var(--text);
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-family: inherit;
  transition: background .1s;
  text-decoration: none;
}
.gh-dropdown a:last-child,
.gh-dropdown button:last-child { border-bottom: none; }
.gh-dropdown a:hover,
.gh-dropdown button:hover { background: var(--s3); color: var(--strong); text-decoration: none; }
.gh-dropdown .gh-logout { color: #c85050; }
.gh-dropdown .gh-logout:hover { background: rgba(200,80,80,0.1); color: #e07070; }

/* ============================================================
   LEGACY compat - keep old topnav / topnav-* classes working
   for pages that haven't been migrated yet
   ============================================================ */

.topnav {
  display: flex;
  align-items: center;
  height: 50px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--s1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topnav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0 4px;
  margin-left: auto;
  line-height: 1;
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-right: 28px;
  color: var(--strong);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  flex-shrink: 0;
}
.topnav-brand img { width: 22px; height: 22px; object-fit: contain; }
.topnav-brand:hover { text-decoration: none; color: var(--strong); }

.topnav-links { display: flex; height: 100%; }
.topnav-links a {
  display: flex;
  align-items: center;
  padding: 0 13px;
  font-size: 0.82rem;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color .12s, border-color .12s;
}
.topnav-links a:hover {
  color: var(--text);
  border-bottom-color: var(--border2);
  text-decoration: none;
}
.topnav-links a.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgba(0,0,0,0.45);
}
.nav-overlay.open { display: block; }

@media (max-width: 900px) {
  .topnav { padding: 0 16px; }
  .topnav-toggle { display: flex !important; align-items: center; }
  .topnav-links {
    display: none !important;
    flex-direction: column;
    position: fixed;
    top: 50px;
    left: 0;
    width: 260px;
    bottom: 0;
    background: var(--s1);
    border-right: 2px solid var(--border);
    z-index: 99;
    height: auto;
    overflow-y: auto;
    box-shadow: 4px 0 16px rgba(0,0,0,0.4);
    transform: translateX(-100%);
    transition: transform .2s ease;
  }
  .topnav-links.open { display: flex !important; transform: translateX(0); }
  .topnav-links a {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border);
    border-left: none !important;
    font-size: 0.9rem;
  }
  .topnav-links a:last-child { border-bottom: none; }
  .topnav-brand-text { display: none; }
  .topnav-brand { margin-right: auto; gap: 0; }
  .topnav-brand img { width: 28px; height: 28px; }
  .sidebar-nav-block { display: none; }
  .sidebar-about-block { display: none; }
}