:root {
  --bg: #0a0e14;
  --bg-panel: #10161f;
  --bg-panel-2: #141c28;
  --border: #212b38;
  --text: #dbe4ee;
  --text-dim: #7c8ba1;
  --accent: #33e0c4;
  --accent-2: #4f8cff;
  --danger: #ff5470;
  --warn: #ffb648;
  --glow: 0 0 20px rgba(51, 224, 196, 0.25);
  --radius: 14px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --sidebar-w: 250px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
}
.app-shell {
  display: flex;
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 20;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 18px; border-bottom: 1px solid var(--border);
}
.sidebar-brand .mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex; align-items: center; justify-content: center; font-size: 17px;
  box-shadow: var(--glow); flex-shrink: 0;
}
.sidebar-brand h1 { font-size: 16px; margin: 0; }
.sidebar-brand p { margin: 0; font-size: 11px; color: var(--text-dim); }

.sidebar-user {
  padding: 16px 18px; border-bottom: 1px solid var(--border);
}
.sidebar-user .row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.sidebar-user .avatar {
  width: 34px; height: 34px; border-radius: 50%; background: var(--bg-panel-2);
  display: flex; align-items: center; justify-content: center; font-size: 15px;
  border: 1px solid var(--border); flex-shrink: 0;
}
.sidebar-user .name { font-size: 13.5px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-user .role { font-size: 11px; color: var(--accent); }
.sidebar-user .sb-btn {
  width: 100%; padding: 7px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-panel-2); color: var(--text); font-size: 12.5px; cursor: pointer; font-family: var(--font);
}
.sidebar-user .sb-btn:hover { border-color: var(--accent); }
.sidebar-user .sb-btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06110e; border: none; font-weight: 700;
}
.sidebar-user .cta-row { display: flex; flex-direction: column; gap: 8px; }

.sidebar nav { flex: 1; padding: 10px 10px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: 9px; margin-bottom: 2px;
  color: var(--text-dim); text-decoration: none; font-size: 13.5px; font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.sidebar nav a .ico { width: 20px; text-align: center; font-size: 15px; }
.sidebar nav a:hover { background: var(--bg-panel-2); color: var(--text); }
.sidebar nav a.active { background: rgba(51,224,196,0.12); color: var(--accent); }
.sidebar nav a .ext { margin-left: auto; font-size: 11px; opacity: 0.6; }
.sidebar nav a .soon-badge {
  margin-left: auto; font-size: 9.5px; text-transform: uppercase; letter-spacing: 0.4px;
  background: var(--bg-panel-2); border: 1px solid var(--border); color: var(--text-dim);
  padding: 2px 6px; border-radius: 20px;
}

.sidebar-footer { padding: 14px 18px; border-top: 1px solid var(--border); }
.sidebar-footer button {
  width: 100%; padding: 10px; border-radius: 9px; border: 1px dashed var(--border);
  background: transparent; color: var(--text-dim); font-size: 12.5px; cursor: pointer; font-family: var(--font);
}
.sidebar-footer button:hover { border-color: var(--accent); color: var(--accent); }

.sidebar-toggle {
  display: none; position: fixed; top: 14px; left: 14px; z-index: 30;
  width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--bg-panel); color: var(--text); font-size: 18px; cursor: pointer;
}

/* --- Content --- */
.content {
  flex: 1;
  min-width: 0;
  padding: 28px 32px 60px;
  max-width: 1200px;
}
.page-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 10px; }
.page-head h2 { font-size: 20px; margin: 0; }
.page-head .sub { color: var(--text-dim); font-size: 13.5px; }
#clock { font-family: var(--mono); color: var(--text-dim); font-size: 12.5px; }

.panel { background: var(--bg-panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.empty-msg, .denied { padding: 30px; text-align: center; color: var(--text-dim); font-size: 13px; }
.denied a { color: var(--accent-2); }

@media (max-width: 860px) {
  .sidebar {
    position: fixed; left: 0; top: 0; transform: translateX(-100%);
    transition: transform 0.2s ease; box-shadow: 0 0 40px rgba(0,0,0,0.5);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: block; }
  .content { padding: 72px 18px 50px; max-width: 100%; }
}