:root {
  --bg: #0e0f13;
  --bg-elev: #171923;
  --bg-card: #1c1f2b;
  --fg: #e8eaf0;
  --fg-muted: #9096a6;
  --border: #262a38;
  --accent: #7c5cff;
  --accent-hover: #9178ff;
  --accent-fg: #fff;
  --success: #37d399;
  --error: #ff6666;
  --pill-bg: #262a38;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow: 0 6px 24px rgba(0,0,0,0.35);
  --font: -apple-system, BlinkMacSystemFont, "Inter", system-ui, sans-serif;
}

[data-theme="light"] {
  --bg: #f7f8fb;
  --bg-elev: #fff;
  --bg-card: #fff;
  --fg: #1a1c24;
  --fg-muted: #5e6474;
  --border: #e5e7ee;
  --accent: #6c4dff;
  --accent-hover: #5539d8;
  --accent-fg: #fff;
  --success: #17a56a;
  --error: #d93838;
  --pill-bg: #eef0f6;
  --shadow: 0 4px 16px rgba(15,20,40,0.08);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.45;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.hdr {
  position: sticky; top: 0; z-index: 10;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px;
}
.hdr .logo { font-weight: 700; font-size: 16px; letter-spacing: 0.3px; }
.hdr nav { display: flex; gap: 4px; margin-left: 12px; }
.hdr nav a { padding: 6px 12px; border-radius: 6px; color: var(--fg-muted); font-weight: 500; cursor: pointer; }
.hdr nav a.active, .hdr nav a:hover { background: var(--bg-card); color: var(--fg); }
.hdr .spacer { flex: 1; }
.hdr .user { color: var(--fg-muted); font-size: 13px; line-height: 1.2; text-align: right; }
.hdr .user b { color: var(--fg); font-weight: 600; }
.hdr .user .codes { font-size: 10.5px; opacity: 0.75; margin-top: 1px; letter-spacing: 0.2px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--fg);
  font: inherit; cursor: pointer; transition: 0.12s;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); color: var(--accent-fg); }
.btn.ghost { background: transparent; border-color: transparent; padding: 6px 10px; }
.btn.ghost:hover { background: var(--bg-card); color: var(--fg); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.danger:hover { border-color: var(--error); color: var(--error); }

input, textarea, select {
  font: inherit; color: var(--fg);
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 12px;
  width: 100%; outline: none;
  transition: border-color 0.12s;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--fg-muted); margin-bottom: 6px; font-weight: 500; }

.theme-toggle {
  background: transparent; border: 1px solid var(--border);
  color: var(--fg); font: inherit; cursor: pointer;
  padding: 6px 10px; border-radius: 6px;
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

.container { max-width: 1280px; margin: 0 auto; padding: 24px 20px; padding-bottom: 60px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.row > * { flex: 1 1 auto; }

.users-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.users-table th, .users-table td {
  text-align: left; padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}
.users-table th {
  font-weight: 500; color: var(--fg-muted); font-size: 12px;
}
.users-table input, .users-table select { padding: 4px 8px; font-size: 12px; }

.pill {
  display: inline-block; padding: 1px 7px; border-radius: 999px;
  background: var(--pill-bg); color: var(--fg-muted); font-size: 11px; font-weight: 500;
}
.pill.success { background: color-mix(in oklab, var(--success) 22%, transparent); color: var(--success); }

.small { font-size: 12px; }
.muted { color: var(--fg-muted); }

.toast-wrap {
  position: fixed; right: 16px; bottom: 16px;
  z-index: 200; display: flex; flex-direction: column; gap: 8px;
}
.toast {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; font-size: 13px;
  box-shadow: var(--shadow); max-width: 360px;
  animation: toast-in 0.18s ease;
}
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--error); color: var(--error); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

.login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-box {
  width: 100%; max-width: 360px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 28px 26px;
  box-shadow: var(--shadow);
}
.login-box h1 { margin: 0 0 18px; font-size: 22px; letter-spacing: 0.3px; }
.login-box .field { margin-bottom: 14px; }
.login-box .err { color: var(--error); font-size: 12px; margin-top: 10px; }

.codes-input {
  display: flex; flex-wrap: wrap; gap: 4px; align-items: center;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg-card);
  padding: 4px 6px; min-height: 32px; cursor: text;
}
.codes-input:focus-within { border-color: var(--accent); }
.codes-input .chip {
  background: var(--pill-bg); color: var(--fg);
  padding: 2px 8px; border-radius: 999px; font-size: 12px;
  display: inline-flex; align-items: center; gap: 4px;
}
.codes-input .chip .x {
  cursor: pointer; opacity: 0.55; font-size: 14px; line-height: 1;
}
.codes-input .chip .x:hover { opacity: 1; color: var(--error); }
.codes-input input {
  border: none; background: transparent; padding: 2px 4px; flex: 1 1 60px;
  min-width: 60px; font-size: 12px;
}
.codes-input input:focus { border: none; }