/* ── Design tokens (shared language with the messenger UI) ── */
:root {
  --accent:        #6366f1;
  --accent-strong: #4f46e5;
  --accent-soft:   #eef0ff;
  --brand-grad:    linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);

  --ink:       #1b1f2a;
  --ink-soft:  #5b6270;
  --ink-faint: #98a0b0;

  --surface: #ffffff;
  --bg:      #eef1f6;
  --line:    #e6e9f0;
  --dark:    #171a29;

  --danger:      #e5484d;
  --danger-soft: #fdecec;

  --radius:    14px;
  --radius-sm: 10px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 2px rgba(16,20,40,.06);
  --shadow-md: 0 4px 16px rgba(16,20,40,.10);
  --shadow-lg: 0 18px 50px rgba(10,12,30,.35);

  --t: .18s cubic-bezier(.4,0,.2,1);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ── Login ───────────────────────────────────────────────── */
#login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background:
    radial-gradient(1200px 600px at 15% -10%, rgba(139,92,246,.35), transparent 60%),
    radial-gradient(1000px 500px at 110% 110%, rgba(99,102,241,.40), transparent 55%);
  background-color: var(--dark);
}

.auth-card {
  background: var(--surface);
  border-radius: 20px;
  padding: 36px 34px;
  width: 380px;
  max-width: calc(100% - 32px);
  box-shadow: var(--shadow-lg);
  animation: cardIn .45s cubic-bezier(.16,1,.3,1);
}

@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px) scale(.985); }
  to   { opacity: 1; transform: none; }
}

.brand { text-align: center; margin-bottom: 24px; }

.brand-mark {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  display: grid; place-items: center;
  border-radius: 16px;
  background: var(--brand-grad);
  color: #fff;
  box-shadow: 0 8px 20px rgba(99,102,241,.45);
}

.brand h1 { font-size: 23px; font-weight: 700; letter-spacing: -.02em; }
.brand-subtitle { margin-top: 6px; font-size: 13px; color: var(--ink-soft); }

.auth-form { display: flex; flex-direction: column; gap: 12px; }

.auth-form input {
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #fbfcfe;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t), background var(--t);
}

.auth-form input:focus {
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(99,102,241,.14);
}

.auth-form button {
  margin-top: 4px;
  padding: 12px;
  background: var(--brand-grad);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14.5px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(99,102,241,.35);
  transition: filter var(--t), transform var(--t);
}

.auth-form button:hover { filter: brightness(1.05); }
.auth-form button:active { transform: translateY(1px); }

.form-error { color: var(--danger); font-size: 12.5px; min-height: 16px; }
.form-ok    { color: #12864f;      font-size: 12.5px; min-height: 16px; }

/* ── Console ─────────────────────────────────────────────── */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  background: var(--dark);
  color: #fff;
}

.topbar-brand { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.dot { width: 22px; height: 22px; border-radius: 7px; background: var(--brand-grad); box-shadow: 0 3px 10px rgba(99,102,241,.5); }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.who { color: #c9cee0; font-size: 13px; }

.btn-ghost {
  background: rgba(255,255,255,.10);
  color: #e7e9f2;
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t);
}
.btn-ghost:hover { background: rgba(255,255,255,.2); }

.content {
  max-width: 1040px;
  margin: 26px auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px 22px;
  box-shadow: var(--shadow-sm);
}

.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.panel-head h2 { font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.panel-head .btn-ghost { background: var(--bg); color: var(--ink-soft); }
.panel-head .btn-ghost:hover { background: var(--accent-soft); color: var(--accent-strong); }
.count { color: var(--ink-faint); font-weight: 500; font-size: 13px; }

/* ── Users table ─────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }

table.users { width: 100%; border-collapse: collapse; font-size: 13.5px; }

table.users th {
  text-align: left;
  padding: 8px 10px;
  color: var(--ink-faint);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

table.users td {
  padding: 11px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

table.users tr:last-child td { border-bottom: none; }
table.users tbody tr { transition: background var(--t); }
table.users tbody tr:hover { background: #fafbff; }

td.strong { font-weight: 600; }
td.muted  { color: var(--ink-faint); white-space: nowrap; }
td.right  { text-align: right; }
td.empty  { text-align: center; color: var(--ink-faint); padding: 26px; }

.tag {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 9px;
  border-radius: var(--radius-pill);
  background: var(--bg);
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 600;
}
.tag:first-child { margin-left: 0; }
.tag-admin { background: var(--accent-soft); color: var(--accent-strong); }
.tag-ok    { background: #e6f6ee; color: #12864f; }
.tag-you   { background: #fff4e5; color: #a35b00; }

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.btn-danger:hover:not(:disabled) { background: var(--danger); color: #fff; }
.btn-danger:disabled { opacity: .4; cursor: not-allowed; }

/* ── Add user form ───────────────────────────────────────── */
.add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.add-form input[type="text"],
.add-form input[type="email"],
.add-form input[type="password"] {
  flex: 1 1 190px;
  padding: 11px 14px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius-sm);
  font-size: 14px;
  background: #fbfcfe;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}

.add-form input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(99,102,241,.12); }

.check { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink-soft); white-space: nowrap; }
.check input { accent-color: var(--accent); width: 15px; height: 15px; }

.add-form button {
  padding: 11px 20px;
  background: var(--brand-grad);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(99,102,241,.32);
  transition: filter var(--t), transform var(--t);
}
.add-form button:hover { filter: brightness(1.05); }
.add-form button:active { transform: translateY(1px); }

@media (max-width: 640px) {
  .content { margin: 16px auto; }
  .panel { padding: 16px; }
  .add-form input { flex: 1 1 100%; }
}