:root {

  --bg-main: #0f172a;
  --bg-sidebar: #020617;

  --card-bg: #111827;
  --border: rgba(148,163,184,0.15);

  --text-main: #f8fafc;
  --text-muted: #94a3b8;

  --primary: #2563eb;
  --primary-soft: rgba(37,99,235,0.15);

  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;

}

* {
  box-sizing: border-box;
}

body {
  margin:0;
  font-family: Inter, system-ui, sans-serif;
  background: var(--bg-main);
  color: var(--text-main);
}

/* =================================
LAYOUT
================================= */

.main {
  margin-left:260px;
  padding:40px;
}

.content-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}

.card {
  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:18px;
  padding:24px;
}

/* =================================
SIDEBAR
================================= */

.sidebar {

  position:fixed;
  left:0;
  top:0;

  width:260px;
  height:100vh;

  background:var(--bg-sidebar);
  border-right:1px solid var(--border);

  padding:30px 22px;
}

.brand {
  display:flex;
  gap:14px;
  align-items:center;
  margin-bottom:34px;
}

.brand-image {
  width:42px;
}

.brand h1 {
  font-size:18px;
  margin:0;
}

.brand p {
  font-size:12px;
  color:var(--text-muted);
  margin:0;
}

/* =================================
MENU
================================= */

.menu {
  display:flex;
  flex-direction:column;
  gap:6px;
}

.menu-item {

  padding:10px 12px;
  border-radius:10px;

  color:var(--text-muted);
  text-decoration:none;
  font-size:14px;
}

.menu-item:hover {
  background:rgba(255,255,255,0.04);
  color:#fff;
}

.menu-item.active {

  background:var(--primary-soft);
  color:#fff;
}

/* =================================
TOPBAR
================================= */

.topbar {

  display:flex;
  justify-content:space-between;
  align-items:center;

  margin-bottom:28px;
}

.topbar-left {
  display:flex;
  gap:16px;
  align-items:center;
}

.topbar-logo {
  width:40px;
}

.topbar h2 {
  margin:0;
}

.topbar p {
  margin:0;
  font-size:13px;
  color:var(--text-muted);
}

/* =================================
BUTTONS
================================= */

.btn {

  border:none;
  padding:10px 16px;
  border-radius:10px;

  font-size:13px;
  cursor:pointer;

  display:inline-flex;
  align-items:center;
  gap:6px;
}

.btn-primary {

  background:var(--primary);
  color:white;
}

.btn-secondary {

  background:rgba(255,255,255,0.05);
  color:white;
}

.btn-small {

  padding:6px 10px;
  font-size:12px;
}

.btn-icon {
  padding:6px 8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}

.btn-icon svg {
  display:block;
}

/* =================================
STATS
================================= */

.stats {

  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-bottom:24px;
}

.stat-card {

  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:16px;

  padding:18px;
}

.stat-label {

  font-size:12px;
  color:var(--text-muted);
}

.stat-value {

  font-size:18px;
  margin-top:6px;
}

/* =================================
GUIDES
================================= */

.guides-grid {

  display:grid;
  grid-template-columns:1fr 1fr;
  gap:22px;
}

.guide-card {

  background:var(--card-bg);
  border:1px solid var(--border);
  border-radius:16px;
  padding:20px;
}

.guide-card-wide {
  grid-column:span 2;
}

.guide-card h4 {
  margin-top:0;
}

.timeline {
  margin-top:14px;
}

.timeline-item {

  display:flex;
  gap:12px;
  margin-bottom:12px;
}

.timeline-dot {

  width:10px;
  height:10px;

  background:var(--primary);
  border-radius:50%;
}

.timeline-title {
  font-weight:600;
}

.timeline-meta {

  font-size:13px;
  color:var(--text-muted);
}

/* =================================
CODE
================================= */

.log-output {

  background:#020617;
  border-radius:10px;
  padding:12px;
  font-size:13px;

  overflow:auto;
}

.code-tabs {

  display:flex;
  gap:6px;
  margin-bottom:10px;
}

.code-tab {

  border:1px solid var(--border);
  background:rgba(255,255,255,0.03);

  padding:6px 10px;
  border-radius:8px;

  cursor:pointer;
  font-size:12px;
}

.code-tab.active {

  background:var(--primary-soft);
}

/* =================================
PORTAL LINKS
================================= */

.portal-links {

  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

/* =================================
EMPTY STATE
================================= */

.empty-state {

  padding:40px;
  text-align:center;
  color:var(--text-muted);
}

/* =================================
RESPONSIVE
================================= */

@media(max-width:1100px){

  .content-grid {
    grid-template-columns:1fr;
  }

  .stats {
    grid-template-columns:1fr 1fr;
  }

}

@media(max-width:900px){

  .sidebar {
    position:relative;
    width:100%;
    height:auto;
  }

  .main {
    margin-left:0;
  }

}