/* MavensPoker — Pro SaaS Design */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:           #0a0a12;
  --bg-secondary: #0f0f1a;
  --bg-tertiary:  #161625;
  --border:       rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.15);
  --accent:       #6366f1;
  --accent-hover: #5254cc;
  --accent-text:  #a5b4fc;
  --text-primary: #f0f0f8;
  --text-secondary: #c4c4d4;
  --text-muted:   rgba(240,240,248,0.45);
  --success:      #22c55e;
  --danger:       #ef4444;
  --warning:      #f59e0b;
  --radius:       10px;
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
}

html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 20px; border-radius: var(--radius); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .15s; border: none; text-decoration: none;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border: 1px solid var(--border); color: var(--text-secondary); }
.btn-ghost:hover { border-color: var(--border-hover); color: var(--text-primary); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .85; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ── App nav ── */
#app-nav {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; gap: 16px;
  padding: 0 32px; height: 60px;
  background: rgba(10,10,18,0.9); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-logo { display: flex; align-items: center; gap: 8px; text-decoration: none; margin-right: 8px; }
.nav-logo-mark {
  width: 30px; height: 30px; background: var(--accent); border-radius: 7px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 15px; color: #fff;
}
.nav-logo-text { font-weight: 700; font-size: 16px; color: var(--text-primary); }
.nav-logo-text span { color: var(--accent); }
.nav-links { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 12px; border-radius: 8px; font-size: 13px; font-weight: 500;
  color: var(--text-muted); cursor: pointer; transition: all .12s;
  text-decoration: none; border: none; background: transparent;
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); background: var(--bg-tertiary); }
.nav-spacer { flex: 1; }
.nav-user {
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--text-secondary);
}
.nav-avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff; cursor: pointer; flex-shrink: 0;
}

/* ── Page wrapper ── */
#page-content { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }
#page-content.wide { max-width: 1400px; }
#page-content.narrow { max-width: 680px; }

/* ── Cards ── */
.card {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px; transition: border-color .15s;
}
.card:hover { border-color: var(--border-hover); }

/* ── Forms ── */
.form-group { margin-bottom: 18px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text-secondary); margin-bottom: 7px; }
.form-input, .form-select, .form-textarea {
  width: 100%; background: var(--bg-tertiary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 14px; color: var(--text-primary);
  font-size: 14px; font-family: inherit; outline: none; transition: border-color .15s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }
.form-textarea { resize: vertical; min-height: 100px; }
.form-select { appearance: none; cursor: pointer; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 6px; }
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 5px; }

/* ── Listing cards (marketplace) ── */
.listing-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.listing-card {
  background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 14px;
  overflow: hidden; cursor: pointer; transition: border-color .15s, transform .1s;
  display: flex; flex-direction: column; text-decoration: none;
}
.listing-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.listing-card-img {
  height: 150px; background: var(--bg-tertiary); overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.listing-card-img img { width: 100%; height: 100%; object-fit: cover; }
.listing-card-img-placeholder { font-size: 36px; color: var(--text-muted); }
.listing-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.listing-card-cat { font-size: 10px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--accent-text); margin-bottom: 6px; }
.listing-card-title { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; line-height: 1.35; }
.listing-card-seller { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.listing-card-footer { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 10px; }
.listing-price { font-size: 16px; font-weight: 800; color: var(--text-primary); }
.listing-price.free { color: var(--success); }
.listing-stars { font-size: 11px; color: var(--warning); }

/* ── Badges ── */
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: .4px;
}
.badge-accent  { background: rgba(99,102,241,0.15); color: var(--accent-text); }
.badge-success { background: rgba(34,197,94,0.12);  color: #4ade80; }
.badge-warning { background: rgba(245,158,11,0.12); color: #fbbf24; }
.badge-danger  { background: rgba(239,68,68,0.12);  color: #f87171; }

/* ── Tabs ── */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab-btn {
  padding: 9px 18px; font-size: 14px; font-weight: 500; color: var(--text-muted);
  cursor: pointer; border: none; background: transparent; border-bottom: 2px solid transparent;
  margin-bottom: -1px; transition: color .12s, border-color .12s;
}
.tab-btn:hover { color: var(--text-secondary); }
.tab-btn.active { color: var(--accent-text); border-bottom-color: var(--accent); }

/* ── Page title ── */
.page-title { font-size: 26px; font-weight: 800; color: var(--text-primary); margin-bottom: 6px; }
.page-sub { font-size: 14px; color: var(--text-muted); margin-bottom: 28px; }

/* ── Toast notifications ── */
#toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px;
}
.toast {
  padding: 12px 18px; border-radius: 10px; font-size: 13px; font-weight: 600;
  background: var(--bg-tertiary); border: 1px solid var(--border); color: var(--text-primary);
  box-shadow: var(--shadow); animation: toastIn .2s ease;
  max-width: 320px;
}
.toast.success { border-color: rgba(34,197,94,.3); color: #4ade80; }
.toast.error   { border-color: rgba(239,68,68,.3); color: #f87171; }
@keyframes toastIn { from { opacity:0; transform: translateY(8px); } to { opacity:1; transform: none; } }

/* ── Loading spinner ── */
.spinner {
  width: 20px; height: 20px; border: 2px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .6s linear infinite; display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Stats row ── */
.stats-row { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.stat-card { background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px; padding: 18px 22px; flex: 1; min-width: 140px; }
.stat-card-num { font-size: 28px; font-weight: 800; color: var(--text-primary); }
.stat-card-label { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

/* ── Code block ── */
.code-block {
  background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px; font-family: 'Fira Code', 'Courier New', monospace; font-size: 13px;
  color: var(--text-secondary); overflow-x: auto; white-space: pre;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  #page-content { padding: 20px 16px; }
  #app-nav { padding: 0 16px; }
  .listing-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }
}