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

:root {
  --bg: #0f1117;
  --bg2: #1a1d27;
  --bg3: #242836;
  --border: #2e3347;
  --text: #e4e6f0;
  --text2: #8b8fa3;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #3b82f6;
  --purple: #8b5cf6;
  --yellow: #eab308;
  --radius: 12px;
}

body { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Nav */
nav { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 16px 0; position: sticky; top: 0; z-index: 100; backdrop-filter: blur(10px); }
nav .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.3rem; font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.logo span { color: var(--green); }
.nav-links { display: flex; gap: 16px; align-items: center; }
.nav-links a { color: var(--text2); font-size: 0.9rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-links a.btn-primary { color: #fff !important; }
.nav-links a.btn-primary:hover { color: #fff !important; text-decoration: none; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 10px 20px; border-radius: 8px; font-size: 0.9rem; font-weight: 600; border: none; cursor: pointer; transition: all 0.2s; text-decoration: none !important; }
.btn-primary { background: var(--green); color: #fff; font-weight: 600; }
.btn-primary:hover { background: #16a34a; }
.btn-secondary { background: var(--bg3); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }

/* Cards */
.card { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }

/* Forms */
input, select { background: var(--bg3); border: 1px solid var(--border); color: var(--text); padding: 10px 14px; border-radius: 8px; font-size: 0.9rem; width: 100%; outline: none; transition: border-color 0.2s; }
input:focus, select:focus { border-color: var(--blue); }
label { font-size: 0.85rem; color: var(--text2); margin-bottom: 6px; display: block; font-weight: 500; }
.form-group { margin-bottom: 16px; }

/* Landing Page */
.hero { padding: 100px 0 80px; text-align: center; }
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.2; margin-bottom: 20px; background: linear-gradient(135deg, var(--text), var(--green)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { font-size: 1.2rem; color: var(--text2); max-width: 600px; margin: 0 auto 32px; }
.hero .btn { font-size: 1rem; padding: 14px 32px; }

.features { padding: 60px 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.feature-card { padding: 32px; }
.feature-card h3 { font-size: 1.1rem; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.feature-card p { color: var(--text2); font-size: 0.9rem; }
.feature-icon { font-size: 1.4rem; }

/* Pricing */
.pricing { padding: 80px 0; }
.pricing h2 { text-align: center; font-size: 2rem; margin-bottom: 12px; }
.pricing .subtitle { text-align: center; color: var(--text2); margin-bottom: 48px; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
@media(max-width:768px){.pricing-grid{grid-template-columns:1fr}}
.pricing-card { padding: 32px; text-align: center; position: relative; transition: transform 0.2s; }
.pricing-card:hover { transform: translateY(-4px); }
.pricing-card.featured { border-color: var(--green); }
.pricing-card.featured::before { content: 'Most Popular'; position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--green); color: #000; font-size: 0.75rem; font-weight: 700; padding: 4px 16px; border-radius: 20px; }
.pricing-card h3 { font-size: 1.3rem; margin-bottom: 8px; }
.price { font-size: 2.5rem; font-weight: 800; margin: 16px 0; }
.price span { font-size: 0.9rem; font-weight: 400; color: var(--text2); }
.pricing-features { list-style: none; text-align: left; margin: 24px 0; }
.pricing-features li { padding: 8px 0; font-size: 0.9rem; color: var(--text2); display: flex; align-items: center; gap: 8px; }
.pricing-features li::before { content: '✓'; color: var(--green); font-weight: 700; }
.pricing-features li.no::before { content: '✗'; color: var(--red); }

/* Dashboard */
.dashboard-header { display: flex; justify-content: space-between; align-items: center; margin: 32px 0 24px; flex-wrap: wrap; gap: 16px; }
.dashboard-header h1 { font-size: 1.6rem; }

.monitor-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.monitor-item { display: grid; grid-template-columns: auto 1fr auto auto auto; gap: 16px; align-items: center; padding: 16px 20px; cursor: pointer; transition: background 0.2s; }
.monitor-item:hover { background: var(--bg3); }

.status-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.status-dot.up { background: var(--green); box-shadow: 0 0 8px rgba(34,197,94,0.4); }
.status-dot.down { background: var(--red); box-shadow: 0 0 8px rgba(239,68,68,0.4); }
.status-dot.unknown { background: var(--text2); }

.monitor-name { font-weight: 600; font-size: 0.95rem; }
.monitor-url { font-size: 0.8rem; color: var(--text2); }
.monitor-uptime { font-size: 0.85rem; color: var(--green); font-weight: 600; }
.monitor-response { font-size: 0.85rem; color: var(--text2); }
.monitor-status-badge { font-size: 0.75rem; font-weight: 600; padding: 4px 10px; border-radius: 20px; text-transform: uppercase; }
.monitor-status-badge.up { background: rgba(34,197,94,0.15); color: var(--green); }
.monitor-status-badge.down { background: rgba(239,68,68,0.15); color: var(--red); }
.monitor-status-badge.unknown { background: rgba(139,143,163,0.15); color: var(--text2); }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 200; backdrop-filter: blur(4px); }
.modal { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; width: 90%; max-width: 480px; }
.modal h2 { margin-bottom: 20px; }
.modal-actions { display: flex; gap: 12px; justify-content: flex-end; margin-top: 24px; }

/* Auth pages */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 65px); padding: 20px; }
.auth-card { width: 100%; max-width: 400px; }
.auth-card h2 { text-align: center; margin-bottom: 24px; }
.auth-card .btn { width: 100%; margin-top: 8px; }
.auth-footer { text-align: center; margin-top: 16px; font-size: 0.85rem; color: var(--text2); }

/* Detail page */
.detail-header { margin: 32px 0 24px; display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 16px; }
.detail-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { text-align: center; padding: 20px; }
.stat-value { font-size: 1.8rem; font-weight: 700; }
.stat-value.up { color: var(--green); }
.stat-value.down { color: var(--red); }
.stat-label { font-size: 0.8rem; color: var(--text2); margin-top: 4px; }

.chart-container { padding: 20px; margin-bottom: 24px; }
.chart-container h3 { margin-bottom: 16px; font-size: 1rem; }
canvas { width: 100% !important; height: 200px; }

/* Status page */
.status-page { padding: 40px 0; }
.status-page h1 { font-size: 1.8rem; margin-bottom: 8px; }
.status-page .subtitle { color: var(--text2); margin-bottom: 32px; }
.overall-status { padding: 20px; text-align: center; margin-bottom: 24px; font-size: 1.1rem; font-weight: 600; }
.overall-status.all-up { border-color: var(--green); color: var(--green); }
.overall-status.some-down { border-color: var(--red); color: var(--red); }

/* Plan badge */
.plan-badge { font-size: 0.7rem; font-weight: 700; padding: 3px 8px; border-radius: 4px; text-transform: uppercase; }
.plan-badge.free { background: var(--bg3); color: var(--text2); }
.plan-badge.pro { background: rgba(59,130,246,0.15); color: var(--blue); }
.plan-badge.business { background: rgba(139,92,246,0.15); color: var(--purple); }

/* Upgrade banner */
.upgrade-banner { background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1)); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.upgrade-banner p { font-size: 0.9rem; color: var(--text2); }

/* Empty state */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text2); }
.empty-state h3 { color: var(--text); margin-bottom: 8px; }
.empty-state .btn { margin-top: 16px; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 2rem; }
  .monitor-item { grid-template-columns: auto 1fr auto; }
  .monitor-uptime, .monitor-response { display: none; }
  .dashboard-header { flex-direction: column; align-items: flex-start; }
}

/* Footer */
footer { border-top: 1px solid var(--border); padding: 40px 0; margin-top: 80px; text-align: center; color: var(--text2); font-size: 0.85rem; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: var(--red); }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: var(--green); }

/* Webhooks section */
.webhook-list { margin-top: 16px; }
.webhook-item { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.webhook-item:last-child { border-bottom: none; }
.webhook-url { font-size: 0.85rem; color: var(--text2); word-break: break-all; }

/* Tabs */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tab { padding: 12px 20px; font-size: 0.9rem; color: var(--text2); cursor: pointer; border-bottom: 2px solid transparent; transition: all 0.2s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--green); }

/* Icon utility */
.icon { display: inline-flex; align-items: center; justify-content: center; width: 20px; height: 20px; flex-shrink: 0; }
.icon svg { width: 100%; height: 100%; }
.icon-lg { width: 24px; height: 24px; }
.icon-xl { width: 32px; height: 32px; }
.feature-icon-wrap { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.feature-icon-wrap svg { width: 20px; height: 20px; }
.feature-icon-wrap.green { background: rgba(34,197,94,0.12); color: var(--green); }
.feature-icon-wrap.blue { background: rgba(59,130,246,0.12); color: var(--blue); }
.feature-icon-wrap.purple { background: rgba(139,92,246,0.12); color: var(--purple); }
.feature-icon-wrap.yellow { background: rgba(234,179,8,0.12); color: var(--yellow); }
.feature-icon-wrap.red { background: rgba(239,68,68,0.12); color: var(--red); }

.nav-sep{display:inline-block;width:1px;height:20px;background:var(--border);margin:0 12px;vertical-align:middle}
.cross-link{color:#888 !important;font-size:13px}
.cross-link:hover{color:#4ade80 !important}
.hamburger{display:none;background:none;border:1px solid var(--border);color:var(--text);font-size:1.5rem;padding:2px 10px;border-radius:8px;cursor:pointer}
@media(max-width:768px){.hamburger{display:block}.nav-links{display:none !important;width:100%;padding-top:12px}.nav-links.open{display:flex !important;flex-direction:column;gap:8px}.nav-sep{display:none}nav .container{flex-wrap:wrap}}