/* ── Polymarket Terminal — SaaS Frontend ── */
:root {
  --bg: #0a0e17;
  --bg-card: #111827;
  --bg-card-hover: #1a2235;
  --bg-input: #1e293b;
  --border: #1e293b;
  --border-focus: #3b82f6;
  --text: #e2e8f0;
  --text-dim: #94a3b8;
  --text-muted: #64748b;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #10b981;
  --accent-dim: #065f46;
  --danger: #ef4444;
  --warning: #f59e0b;
  --gradient: linear-gradient(135deg, #3b82f6 0%, #10b981 100%);
  --radius: 8px;
  --radius-lg: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,.4);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Navbar ── */
.navbar { display: flex; justify-content: space-between; align-items: center; padding: 0 2rem; height: 56px; background: var(--bg-card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.nav-left { display: flex; align-items: center; gap: 1.5rem; }
.nav-right { display: flex; align-items: center; gap: 1rem; }
.logo { font-size: 1.25rem; font-weight: 800; color: var(--text); text-decoration: none; letter-spacing: -0.5px; }
.logo-accent { color: var(--primary); }
.nav-tabs { display: flex; gap: 0; }
.nav-tab { padding: 0.5rem 1rem; color: var(--text-dim); font-size: 0.875rem; font-weight: 500; border-bottom: 2px solid transparent; transition: all .15s; text-decoration: none; }
.nav-tab:hover { color: var(--text); text-decoration: none; }
.nav-tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* User menu */
.nav-user-btn { display: flex; align-items: center; gap: 0.4rem; background: none; border: 1px solid var(--border); color: var(--text); padding: 0.4rem 0.75rem; border-radius: var(--radius); cursor: pointer; font-size: 0.8rem; }
.nav-user-btn:hover { border-color: var(--text-muted); }
.chevron { font-size: 0.6rem; color: var(--text-muted); }
.nav-dropdown { position: relative; }
.nav-dropdown-menu { display: none; position: absolute; right: 0; top: 100%; margin-top: 0.5rem; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); min-width: 180px; box-shadow: var(--shadow); z-index: 200; overflow: hidden; }
.nav-dropdown-menu.open { display: block; }
.nav-dropdown-menu a, .nav-dropdown-menu button { display: block; width: 100%; padding: 0.6rem 1rem; color: var(--text); font-size: 0.85rem; text-decoration: none; background: none; border: none; text-align: left; cursor: pointer; }
.nav-dropdown-menu a:hover, .nav-dropdown-menu button:hover { background: var(--bg-card-hover); }

/* Tier badge */
.tier-badge { display: inline-block; padding: 0.15rem 0.6rem; border-radius: 99px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.tier-free { background: #1e293b; color: #94a3b8; }
.tier-pro { background: #1e3a5f; color: #60a5fa; }
.tier-premium { background: #3b1f5e; color: #c084fc; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.6rem 1.25rem; font-size: 0.9rem; font-weight: 600; border: none; border-radius: var(--radius); cursor: pointer; transition: all .15s; text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); text-decoration: none; }
.btn-secondary { background: var(--bg-input); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--text-muted); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.8rem; }
.btn-lg { padding: 0.85rem 2rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled, .btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ── Auth pages ── */
.auth-container { display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 56px); padding: 2rem; }
.auth-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2.5rem; width: 100%; max-width: 400px; }
.auth-card h2 { margin-bottom: 0.5rem; }
.auth-subtitle { color: var(--text-dim); margin-bottom: 1.5rem; font-size: 0.9rem; }
.auth-footer { margin-top: 1.5rem; text-align: center; font-size: 0.85rem; color: var(--text-dim); }

/* ── Forms ── */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.35rem; font-size: 0.8rem; font-weight: 500; color: var(--text-dim); }
.form-group input, .form-group select { width: 100%; padding: 0.6rem 0.75rem; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 0.9rem; transition: border .15s; }
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--border-focus); box-shadow: 0 0 0 3px rgba(59,130,246,.15); }
.form-actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }

/* ── Alerts ── */
.alert { padding: 0.75rem 1rem; border-radius: var(--radius); font-size: 0.85rem; margin-bottom: 1rem; }
.alert-error { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.3); color: var(--danger); }
.alert-success { background: rgba(16,185,129,.1); border: 1px solid rgba(16,185,129,.3); color: var(--accent); }

/* ── Landing / Hero ── */
.landing { max-width: 1100px; margin: 0 auto; padding: 2rem; }
.hero { text-align: center; padding: 4rem 0 3rem; }
.hero h1 { font-size: 3rem; font-weight: 800; line-height: 1.15; margin-bottom: 1rem; letter-spacing: -1px; }
.gradient-text { background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { color: var(--text-dim); font-size: 1.15rem; margin-bottom: 2rem; max-width: 520px; margin-left: auto; margin-right: auto; }
.hero-cta { display: flex; gap: 1rem; justify-content: center; }

/* Feature cards */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; margin: 3rem 0; }
.feature-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; transition: border-color .2s; }
.feature-card:hover { border-color: var(--primary); }
.feature-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.feature-card h3 { margin-bottom: 0.5rem; }
.feature-card p { color: var(--text-dim); font-size: 0.9rem; }

/* Pricing */
.pricing { padding: 3rem 0; text-align: center; }
.pricing h2 { margin-bottom: 2rem; font-size: 1.75rem; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; max-width: 900px; margin: 0 auto; }
.pricing-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; position: relative; }
.pricing-card--highlight { border-color: var(--primary); box-shadow: 0 0 30px rgba(59,130,246,.15); }
.pricing-badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--primary); color: #fff; font-size: 0.7rem; font-weight: 700; padding: 0.25rem 0.9rem; border-radius: 99px; text-transform: uppercase; letter-spacing: 0.5px; }
.pricing-card h3 { font-size: 1.1rem; margin-bottom: 0.5rem; }
.price { font-size: 2.75rem; font-weight: 800; margin: 0.75rem 0; }
.price-period { font-size: 0.9rem; font-weight: 400; color: var(--text-dim); }
.pricing-features { list-style: none; text-align: left; margin: 1.25rem 0; font-size: 0.85rem; }
.pricing-features li { padding: 0.35rem 0; color: var(--text-dim); }

/* ── Dashboard ── */
.dashboard { max-width: 1200px; margin: 0 auto; padding: 1.5rem 2rem; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Panel / table */
.panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.5rem; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }
.panel-header h2 { font-size: 1.1rem; }
.filters { display: flex; gap: 0.5rem; align-items: center; }
.filters select, .filters input { padding: 0.4rem 0.6rem; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); font-size: 0.8rem; }

.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); color: var(--text-muted); font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.5px; }
td { padding: 0.6rem 0.75rem; border-bottom: 1px solid rgba(30,41,59,.5); }
tr:hover td { background: var(--bg-card-hover); }
.loading, .empty { text-align: center; color: var(--text-muted); padding: 2rem; }

.pnl-summary { margin-top: 1rem; text-align: right; font-size: 0.95rem; }

/* Upgrade gate */
.upgrade-gate { display: flex; justify-content: center; align-items: center; min-height: 200px; }
.upgrade-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 3rem; text-align: center; max-width: 400px; }
.upgrade-card h3 { margin-bottom: 0.75rem; }
.upgrade-card p { color: var(--text-dim); margin-bottom: 1.5rem; font-size: 0.9rem; }

/* ── Modal ── */
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.6); z-index: 500; justify-content: center; align-items: center; }
.modal.open { display: flex; }
.modal-content { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 2rem; width: 100%; max-width: 420px; }
.modal-content h3 { margin-bottom: 1.25rem; }

/* ── Settings ── */
.settings-page { max-width: 700px; margin: 0 auto; padding: 2rem; }
.settings-page > h1 { margin-bottom: 2rem; }
.settings-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.5rem; }
.settings-section h2 { margin-bottom: 1rem; font-size: 1rem; }
.settings-row { display: flex; justify-content: space-between; align-items: center; padding: 0.5rem 0; border-bottom: 1px solid var(--border); }
.settings-row:last-child { border-bottom: none; }
.settings-label { color: var(--text-dim); font-size: 0.85rem; }
.settings-value { font-size: 0.9rem; font-weight: 500; }

/* ── Billing ── */
.billing-page { max-width: 800px; margin: 0 auto; padding: 2rem; }
.billing-page > h1 { margin-bottom: 2rem; }
.billing-section { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 1.5rem; }
.billing-section h2 { margin-bottom: 1.25rem; font-size: 1rem; }

.plan-card { display: flex; justify-content: space-between; align-items: center; padding: 1rem; background: var(--bg-input); border-radius: var(--radius); }
.plan-name { font-weight: 700; font-size: 1.25rem; }
.plan-status { font-size: 0.75rem; color: var(--accent); }

/* ── Footer ── */
footer { text-align: center; padding: 2rem; color: var(--text-muted); font-size: 0.8rem; border-top: 1px solid var(--border); margin-top: 2rem; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .pricing-grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .filters { flex-wrap: wrap; }
  .panel-header { flex-direction: column; gap: 0.75rem; align-items: flex-start; }
  .nav-tabs { display: none; }
}