/* AeroDev — shared dark theme (matches the existing flight tools). */
:root {
  --bg: #0d0f12;
  --panel: #16191f;
  --panel-2: #1d2129;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #9aa3af;
  --accent: #4f8cff;
  --accent-2: #3a6fd8;
  --danger: #ff5c6c;
  --ok: #38c172;
  --radius: 12px;
  --font: "Geist", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.brand {
  font-weight: 600;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .mark { color: var(--accent); }

/* ---- layout helpers ---- */
.center-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 380px;
}
.card h1 { margin: 0 0 4px; font-size: 22px; }
.card .sub { color: var(--muted); margin: 0 0 20px; font-size: 13px; }

/* ---- top bar (dashboards) ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar .who { color: var(--muted); font-size: 13px; }
.topbar .who b { color: var(--text); }
.role-chip {
  display: inline-block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--accent);
  margin-left: 6px;
}

/* ---- tabs ---- */
/* nowrap + horizontal scroll so the row stays swipeable on a phone instead of
   overflowing the page (9 tabs are ~800px wide). Scrollbar hidden for looks. */
.tabs {
  display: flex;
  gap: 4px;
  padding: 10px 16px 0;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }
.tab {
  padding: 10px 16px;
  border: 1px solid transparent;
  border-bottom: none;
  border-radius: 8px 8px 0 0;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  flex: 0 0 auto;
}
.tab.active {
  color: var(--text);
  background: var(--bg);
  border-color: var(--border);
}

.content { padding: 24px; }
.placeholder {
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 48px;
  text-align: center;
  color: var(--muted);
}

/* ---- form controls ---- */
label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
input[type="text"], input[type="password"] {
  width: 100%;
  padding: 11px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}
input:focus { border-color: var(--accent); }

.btn {
  width: 100%;
  margin-top: 20px;
  padding: 11px 14px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}
.btn:hover { background: var(--accent-2); }
.btn:disabled { opacity: 0.6; cursor: default; }
.btn.ghost {
  width: auto;
  margin: 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn.ghost:hover { color: var(--text); background: var(--panel-2); }

.msg { margin-top: 14px; font-size: 13px; min-height: 18px; }
.msg.error { color: var(--danger); }
.msg.ok { color: var(--ok); }

/* ---- footer credit ---- */
.credit {
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  padding: 12px 16px;
  letter-spacing: 0.3px;
}
.credit .heart { color: var(--danger); }
.credit b { color: var(--text); font-weight: 500; }
.credit.fixed { position: fixed; bottom: 0; left: 0; right: 0; }

.spinner {
  display: inline-block;
  width: 13px; height: 13px;
  border: 2px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ phone layout ============ */
@media (max-width: 640px) {
  /* tighter chrome so more content fits */
  .topbar { padding: 10px 14px; gap: 8px; }
  .topbar .who { font-size: 12px; }
  .topbar .brand { font-size: 14px; }
  .content { padding: 16px 14px; }
  .content.padded { padding: 16px 14px; }
  .tabs { padding: 8px 10px 0; }
  .tab { padding: 9px 13px; font-size: 13px; }

  /* login card fills the small screen with breathing room */
  .center-screen { padding: 16px; }
  .card { padding: 22px 18px; }

  /* bigger tap targets for the small ghost/secondary buttons */
  .btn.ghost { padding: 8px 12px; }
}