/* BG DIGITAL HUB — Base styles */

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

html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-mid);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* App shell */
#app {
  display: grid;
  grid-template-columns: 220px 1fr;
  grid-template-rows: 52px 1fr;
  min-height: 100vh;
  background:
    radial-gradient(1100px 560px at 82% -8%,  rgba(0,114,255,0.18), transparent 58%),
    radial-gradient(820px 480px  at -8% 12%,  rgba(0,240,255,0.11), transparent 54%),
    radial-gradient(700px 700px  at 50% 120%, rgba(0,114,255,0.09), transparent 60%),
    var(--bg-base);
}

[hidden] { display: none !important; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--s6);
  background:
    radial-gradient(900px 560px at 15% 5%, rgba(0, 240, 255, 0.13), transparent 60%),
    radial-gradient(760px 500px at 88% 90%, rgba(0, 114, 255, 0.16), transparent 58%),
    var(--bg-base);
}

.login-panel {
  width: min(100%, 440px);
  padding: var(--s10);
  border: var(--glass-border);
  border-radius: var(--glass-radius);
  background: var(--glass-fill), var(--surface-1);
  box-shadow: var(--elev-3);
}

.login-panel h1 { margin: var(--s3) 0; }
.login-panel > p:not(.eyebrow) { color: var(--text-lo); }
.login-form { display: grid; gap: var(--s4); margin-top: var(--s8); }
.login-form label, .command-form label { display: grid; gap: var(--s2); color: var(--text-lo); font-size: 12px; }
.login-form input, .command-form select, .command-form textarea {
  width: 100%; color: var(--text-hi); font: inherit; border: 1px solid var(--line); border-radius: 10px;
  background: var(--bg-sunken); padding: 10px 12px; outline: none;
}
.login-form input:focus, .command-form select:focus, .command-form textarea:focus { border-color: var(--accent-line); box-shadow: 0 0 0 3px var(--accent-dim); }
.login-error { min-height: 20px; color: var(--fail); font-size: 12px; }

/* Typography helpers */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text-hi);
}

h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-lo);
  padding-bottom: var(--s3);
  border-bottom: 1px solid var(--line-soft);
}

p { font-size: 14px; line-height: 1.6; }

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

/* Layout utilities */
.row  { display: flex; align-items: center; gap: var(--s3); flex-wrap: wrap; }
.col  { display: flex; flex-direction: column; gap: var(--s3); }
.spacer { flex: 1; }
.grid { display: grid; gap: var(--s4); }
.g2   { grid-template-columns: 1fr 1fr; }
.g3   { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 720px) {
  #app { grid-template-columns: 1fr; grid-template-rows: 52px auto 1fr; }
  .topbar { padding: 0 var(--s4); }
  .sidebar { grid-row: 2; display: flex; flex-direction: row; gap: 0; overflow-x: auto; padding: var(--s2); border-right: 0; border-bottom: 1px solid var(--line); }
  .nav-section-label { display: none; }
  .nav-item { width: auto; white-space: nowrap; padding: var(--s2) var(--s3); border-radius: 8px; }
  .nav-item.active { border-right: 0; }
  .main { padding: var(--s5); }
  .cost-indicator { display: none; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }