:root {
  --bg: #12161c;
  --surface: #1a2029;
  --surface-hover: #212936;
  --border: #262e3a;
  --accent: #4fd1c5;
  --accent-hover: #6fe0d5;
  --accent-ink: #0a0e13;
  --amber: #e8a33d;
  --danger: #e2555a;
  --text: #e6e9ef;
  --muted: #8b95a5;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  background-image:
    radial-gradient(circle at 15% 0%, rgba(79, 209, 197, 0.07), transparent 40%),
    radial-gradient(circle at 85% 100%, rgba(232, 163, 61, 0.05), transparent 40%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--sans);
  min-height: 100vh;
}

.view[hidden] { display: none; }

.muted { color: var(--muted); }

/* ---------- Login ---------- */
#login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 320px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.login-mark {
  color: var(--accent);
  font-size: 28px;
  margin-bottom: 4px;
}

.login-card h1 { margin: 0; font-size: 20px; }
.login-card p { margin: 0 0 12px; font-size: 13px; }

.login-card input {
  width: 100%;
  padding: 11px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.login-card input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* ---------- Buttons ---------- */
button {
  font-family: var(--sans);
  cursor: pointer;
}

#login-form button[type="submit"],
#new-user-modal button[type="submit"],
#new-user-btn {
  background: var(--accent);
  color: var(--accent-ink);
  border: none;
  border-radius: 8px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s ease;
}
#login-form button[type="submit"]:hover,
#new-user-modal button[type="submit"]:hover,
#new-user-btn:hover {
  background: var(--accent-hover);
}

.ghost-btn {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 14px;
  font-size: 13px;
}
.ghost-btn:hover { background: var(--surface-hover); }

.icon-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
  padding: 4px 8px;
}
.icon-btn:hover { color: var(--text); }

.danger-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--danger);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 12px;
}
.danger-btn:hover { background: rgba(226, 85, 90, 0.1); border-color: var(--danger); }

.error-text {
  color: var(--danger);
  font-size: 13px;
  min-height: 16px;
  margin: 0;
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.brand-mark { color: var(--accent); }

.content {
  max-width: 780px;
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.content-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.content-head h1 { margin: 0 0 4px; font-size: 22px; }
.content-head p { margin: 0; font-size: 13px; }

/* ---------- User list ---------- */
.user-list { display: flex; flex-direction: column; gap: 10px; }

.user-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  transition: border-color 0.15s ease;
}
.user-card:hover { border-color: #34404f; }

.user-main { min-width: 0; }
.user-name { font-weight: 600; font-size: 15px; }
.user-name .status-dot {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 8px;
  vertical-align: middle;
}
.user-name .status-dot.off { background: var(--muted); }
.user-meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
  font-family: var(--mono);
}
.user-note { color: var(--muted); font-size: 12px; margin-top: 2px; font-style: italic; }

.user-actions { display: flex; gap: 8px; flex-shrink: 0; }

.empty-state {
  text-align: center;
  color: var(--muted);
  padding: 60px 20px;
  font-size: 14px;
}

/* ---------- Modals ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(8, 10, 14, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 10;
}
.modal-backdrop[hidden] { display: none; }

.modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 100%;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 85vh;
  overflow-y: auto;
}
.modal-card.wide { max-width: 460px; }

.modal-card h2 { margin: 0 0 4px; font-size: 17px; }

.modal-head { display: flex; align-items: center; justify-content: space-between; }
.modal-head h2 { margin: 0; }

.modal-card label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}
.modal-card input[type="text"] {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.modal-card input[type="text"]:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}

.copy-row { display: flex; gap: 8px; }
.copy-row input {
  flex: 1;
  min-width: 0;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 11px;
}

/* ---------- Configs list ---------- */
.configs-list { display: flex; flex-direction: column; gap: 16px; margin-top: 4px; }

.config-block {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.config-block h3 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-align: left;
}
.config-block svg { width: 150px; height: 150px; background: #fff; border-radius: 6px; padding: 8px; }
.config-block .copy-row { margin-top: 12px; text-align: left; }

/* ---------- Toast ---------- */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 480px) {
  .user-card { flex-direction: column; align-items: stretch; }
  .user-actions { justify-content: flex-end; }
}