:root {
  --bg: linear-gradient(140deg, #040808 0%, #071c13 42%, #0c2c1e 100%);
  --surface: rgba(7, 26, 20, 0.86);
  --surface-2: rgba(9, 34, 25, 0.7);
  --text: #e8f7ef;
  --muted: #8acfb0;
  --primary: #00b86b;
  --primary-2: #23cf8f;
  --danger: #ff6b6b;
  --ok: #39d98a;
  --ring: 0 12px 40px rgba(3, 20, 12, 0.45);
  --border: rgba(74, 233, 149, 0.35);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "Poppins", "Segoe UI", "Trebuchet MS", sans-serif;
  background: var(--bg);
}

.page-wrap { width: min(1100px, 96vw); margin: 22px auto 40px; }

.topbar {
  margin-bottom: 18px;
  text-align: left;
}

.logo-mark {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: #6bffab;
  text-shadow: 0 2px 18px rgba(35, 207, 143, 0.4);
}

.top-sub {
  color: var(--muted);
  margin: 6px 0 0;
}

.main { display: grid; gap: 16px; }

.panel,
.panel-card {
  background: var(--surface);
  border-radius: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--ring);
  backdrop-filter: blur(6px);
}

.panel { padding: 16px; }

.panel-card {
  border: 1px solid var(--border);
  padding: 16px;
  margin-bottom: 12px;
}

.tab-wrap {
  display: inline-flex;
  gap: 8px;
  margin-bottom: 14px;
}

.tab-btn {
  border: 1px solid rgba(76, 238, 156, 0.35);
  padding: 9px 14px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text);
  font-weight: 700;
}

.tab-btn.active {
  background: var(--primary);
  color: white;
  border-color: transparent;
}

label {
  display: block;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

input, select, button {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #091f18;
  color: var(--text);
  font-size: 0.95rem;
}

input:focus, select:focus {
  border-color: #58ef9e;
  outline: none;
  box-shadow: 0 0 0 4px rgba(88, 239, 158, 0.16);
}

button {
  cursor: pointer;
  margin-top: 8px;
  border: 0;
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 700;
}

button.ghost {
  background: rgba(8, 41, 30, 0.85);
  color: #d8ffea;
  border: 1px solid var(--border);
}

.row-actions { display: flex; gap: 8px; }

.row-actions button { width: auto; }

.hidden { display: none; }

.grid { display: grid; gap: 12px; }
.two-col { grid-template-columns: 1fr 1fr; }
.three-col { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

#userTitle { margin: 0; }
#userMeta { margin: 6px 0 0; color: var(--muted); }

.toast {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  display: none;
  color: #fff;
}

.toast.error { display: block; background: var(--danger); }
.toast.success { display: block; background: var(--ok); }

.item {
  border: 1px solid rgba(76, 238, 156, 0.22);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 8px;
  background: var(--surface-2);
}

.item strong { display: block; }
.item small { color: var(--muted); }

.message {
  display: grid;
  padding: 10px;
  border: 1px solid rgba(76, 238, 156, 0.2);
  border-radius: 10px;
  margin-bottom: 8px;
  background: rgba(11, 34, 24, 0.85);
}

.message .meta { color: var(--muted); font-size: 0.82rem; }

.message-form { display: grid; grid-template-columns: 130px 1fr auto; gap: 8px; }
.message-form button { width: auto; }

@media (max-width: 920px) {
  .two-col, .three-col { grid-template-columns: 1fr; }
  .message-form { grid-template-columns: 1fr; }
}