:root {
  --bg: #0a0b0f;
  --bg-low: #07080b;
  --sidebar: #0d0f15;
  --card: #141722;
  --card-hi: #181c28;
  --card-alt: #1b1f2c;
  --border: #262b39;
  --border-soft: #1e2230;
  --text: #eef0f6;
  --text-dim: #a9b2c5;
  --text-faint: #6f7890;
  --ok: #46d6c3;
  --warn: #e6a95c;
  --err: #f26a5f;
  --input: #0f1118;
  --outline: #343c4f;
  --accent: #e9a83a;
  --accent-hi: #ffc25c;
  --accent-lo: #b9822a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
}

#app { display: flex; height: 100vh; }

/* sidebar */
#sidebar {
  width: 230px;
  flex-shrink: 0;
  background: linear-gradient(180deg, #10131b, var(--sidebar));
  border-right: 1px solid var(--border-soft);
  padding: 26px 18px 18px;
  display: flex;
  flex-direction: column;
}
.logo { font-size: 22px; font-weight: 800; letter-spacing: 3px; }
.logo-sub { font-size: 10px; font-weight: 600; letter-spacing: 3px; color: var(--accent); margin: 2px 0 26px; }
.nav-btn {
  text-align: left; padding: 11px 16px; border: none; border-radius: 10px;
  background: transparent; color: var(--text-dim); font-size: 14px; font-weight: 600;
  cursor: pointer; margin-bottom: 6px; width: 100%;
}
.nav-btn:hover { background: #161a24; color: var(--text); }
.nav-btn.active { background: linear-gradient(90deg, var(--accent-lo), var(--accent)); color: #0b0b0d; }
.sidebar-spacer { flex: 1; }
.chip {
  display: inline-block; background: var(--card-alt); border: 1px solid var(--border);
  border-radius: 9px; padding: 2px 9px; font-size: 11px; font-weight: 600; color: var(--text-dim);
  margin-top: 6px;
}
.chip.ok { color: var(--ok); border-color: var(--ok); }
.chip.warn { color: var(--warn); border-color: var(--warn); }
.chip.err { color: var(--err); border-color: var(--err); }

.account-widget { position: fixed; top: 20px; right: 28px; width: 220px; z-index: 50; }
.account-btn {
  display: flex; align-items: center; gap: 8px; width: 100%;
  background: var(--card-alt); border: 1px solid var(--border); border-radius: 10px;
  padding: 8px 10px; color: var(--text); font-size: 13px; font-weight: 600; cursor: pointer;
  text-align: left;
}
.account-btn:hover { background: var(--card-hi); }
.account-avatar {
  width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #0b0b0d; font-size: 11px; font-weight: 800;
  object-fit: cover;
}
#account-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-menu {
  position: absolute; top: calc(100% + 6px); left: 0; right: 0; z-index: 10;
  background: var(--card-hi); border: 1px solid var(--border); border-radius: 10px;
  padding: 10px; box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}
.account-email { font-size: 11px; color: var(--text-dim); margin-bottom: 8px; word-break: break-all; }
.account-signout {
  width: 100%; background: transparent; border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 10px; color: var(--err); font-size: 12px; font-weight: 700; cursor: pointer;
}
.account-signout:hover { background: var(--card-alt); }

/* main */
#main {
  flex: 1;
  overflow-y: auto;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-low) 100%);
}
.page { display: none; padding: 32px; max-width: 1200px; }
.page.active { display: block; }
.page-title { font-size: 24px; font-weight: 700; margin: 0 0 6px; }
.page-sub { font-size: 13px; color: var(--text-dim); margin: 0 0 20px; max-width: 760px; line-height: 1.5; }

/* banner (top of every page) */
.banner {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 10px 16px; margin-bottom: 20px;
}
.banner .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-faint); flex-shrink: 0; }
.banner.busy .dot { background: var(--warn); }
.banner.ok .dot { background: var(--ok); }
.banner.err .dot { background: var(--err); }
.banner-text { font-weight: 600; }
.banner-sub { font-size: 12px; color: var(--text-dim); }

.card {
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  border: 1px solid var(--border); border-radius: 14px;
  padding: 16px 18px; margin-bottom: 18px;
}
.card h2 { font-size: 14px; font-weight: 700; margin: 0 0 10px; }
.hint { font-size: 12px; color: var(--text-dim); margin: 0 0 8px; }
.faint { font-size: 11px; color: var(--text-faint); }

.row { display: flex; gap: 10px; align-items: center; margin-bottom: 10px; flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 14px; }
.two-col { display: flex; gap: 18px; align-items: flex-start; }
.two-col > .main { flex: 3; min-width: 0; }
.two-col > .side { flex: 0 0 340px; }

label { font-size: 12px; color: var(--text-dim); }

input[type=text], input[type=password], input[type=number], textarea, select {
  background: var(--input); border: 1px solid var(--outline); border-radius: 9px;
  color: var(--text); padding: 8px 10px; font-size: 13px; font-family: inherit;
  width: 100%;
}
textarea { resize: vertical; }
input:disabled, select:disabled, textarea:disabled { opacity: 0.5; }

button {
  background: var(--card-alt); color: var(--text); border: 1px solid var(--border);
  border-radius: 9px; padding: 8px 16px; font-weight: 600; cursor: pointer; font-size: 13px;
}
button:hover:not(:disabled) { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: linear-gradient(90deg, var(--accent-lo), var(--accent)); color: #0b0b0d; border: none; }
button.danger { background: #2a1414; color: var(--err); border-color: var(--err); }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  padding: 10px 12px; border-radius: 10px; cursor: pointer; margin-bottom: 4px;
  border: 1px solid transparent;
}
.list li:hover { background: var(--card-alt); }
.list li.selected { background: var(--card-alt); border-color: var(--accent); }
.list li .title { font-weight: 600; }
.list li .meta { font-size: 11px; color: var(--text-faint); }

.key-row { display: flex; gap: 8px; align-items: center; }
.key-row input { flex: 1; }

/* modal (used for editing an API key / URL - explicit Save/Cancel, no
   ambiguous click-away-to-save) */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(4,5,8,0.65);
  display: flex; align-items: center; justify-content: center; z-index: 1000;
}
.modal {
  background: linear-gradient(180deg, var(--card-hi), var(--card));
  border: 1px solid var(--outline); border-radius: 14px;
  padding: 22px 24px; width: 420px; max-width: calc(100vw - 40px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.modal h2 { margin: 0 0 8px; font-size: 15px; }
.modal input {
  background: var(--input); border: 1px solid var(--accent); border-radius: 9px;
  color: var(--text); padding: 9px 11px; font-size: 13px; width: 100%;
}