:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --border-soft: #232833;
  --text: #e8eaed;
  --muted: #9aa3b4;
  --accent: #6c8cff;
  --accent-2: #9b6cff;
  --danger: #ff6c6c;
  --success: #6cff9b;
  --info: #6cc8ff;
  --radius: 14px;
  /* Escala de espaçamento (múltiplos de 4/8) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: radial-gradient(circle at 20% 0%, #1c2130 0%, var(--bg) 55%);
  color: var(--text);
  padding: 24px;
}
.app { width: 100%; max-width: 480px; margin: 0 auto; }
.app.wide { max-width: 920px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
  margin-bottom: 20px;
}
h1 { font-size: 26px; margin: 0 0 4px; letter-spacing: -0.01em; }
h2 { font-size: 19px; margin: 0 0 14px; }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px var(--accent);
}
p.sub { color: var(--muted); font-size: 13px; margin: 0 0 20px; }
label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 6px; }
input, select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,140,255,0.25);
}
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.btn {
  margin-top: 20px;
  padding: 11px 16px;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.05s ease;
}
.btn:hover:not(:disabled) { filter: brightness(1.1); }
.btn:active:not(:disabled) { transform: scale(0.98); }
.btn.full { width: 100%; }
.btn.danger { background: var(--danger); }
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}
.btn.ghost:hover:not(:disabled) { filter: none; border-color: var(--accent); color: var(--text); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; background: var(--panel-2); color: var(--muted); filter: none; }
.error { color: var(--danger); font-size: 13px; margin-top: 12px; }
.success { color: var(--success); font-size: 13px; margin-top: 12px; word-break: break-all; }
a { color: var(--accent); }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
}
.badge::before { content: "●"; font-size: 8px; }
.badge.role-admin { color: var(--accent); border-color: var(--accent); }
.badge.role-roomcreator { color: var(--accent-2); border-color: var(--accent-2); }
.badge.deleted { color: var(--danger); border-color: var(--danger); }

/* Ícones de status (bolinha colorida) em vez de texto Ativo/Bloqueado */
.status-icon { display: inline-block; width: 18px; height: 18px; border-radius: 50%; position: relative; }
.status-icon.status-ok { background: rgba(108,255,155,0.15); }
.status-icon.status-ok::after { content: "✓"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--success); font-weight: 900; }
.status-icon.status-blocked { background: rgba(255,108,108,0.15); }
.status-icon.status-blocked::after { content: "✕"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--danger); font-weight: 900; }

/* Nome tachado pra mensagens de quem está bloqueado */
.msg .name.blocked-sender { text-decoration: line-through; opacity: 0.6; }
.top-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.top-bar .who { color: var(--muted); font-size: 13px; }
form.inline { display: inline; }
.section-title { margin-top: 32px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 8px; }
.version-tag { color: var(--muted); font-size: 11px; text-align: center; margin-top: 18px; opacity: 0.6; }
.version-tag.left { text-align: left; margin: 2px 0 18px; }

/* Chat */
.chat { max-width: 480px; margin: 0 auto; height: min(640px, 86vh); background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-direction: column; overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.35); }
.chat-header { padding: 16px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.chat-header .room-name { font-weight: 700; font-size: 15px; }
.chat-header .room-meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.header-actions form { margin: 0; }
.ntfy-bar { display: flex; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.ntfy-bar .btn { margin-top: 0; }
.messages { flex: 1; overflow-y: auto; padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 78%; padding: 9px 12px; border-radius: 12px; background: var(--panel-2); border: 1px solid var(--border); font-size: 14px; line-height: 1.4; word-wrap: break-word; }
.msg.mine { align-self: flex-end; background: linear-gradient(135deg, rgba(108,140,255,0.25), rgba(155,108,255,0.25)); border-color: rgba(108,140,255,0.4); }
.msg .name { font-size: 11px; font-weight: 700; color: var(--accent); margin-bottom: 3px; }
.msg .name .msg-time { font-weight: 400; color: var(--muted); margin-left: 8px; }
.msg.mine .name { color: #cdd6ff; }
.composer { display: flex; gap: 8px; padding: 14px; border-top: 1px solid var(--border); }
.composer input { flex: 1; }
.composer button { background: linear-gradient(135deg, var(--accent), var(--accent-2)); border: none; color: white; padding: 0 18px; border-radius: 10px; font-weight: 700; cursor: pointer; transition: filter 0.15s ease; }
.composer button:hover:not(:disabled) { filter: brightness(1.1); }
.empty-state { color: var(--muted); font-size: 13px; text-align: center; margin: auto; }

/* Abas do painel admin */
.tabs { display: flex; gap: 6px; margin-bottom: 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.tab-btn {
  background: transparent; border: none; color: var(--muted); font-size: 13px; font-weight: 600;
  padding: 10px 14px; cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color 0.15s ease;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }

/* Tabela em CSS Grid de verdade — cabeçalho e linhas são display:contents,
   então todos "dissolvem" no MESMO grid (definido em .data-grid, via classe
   modificadora .cols-4-creators etc.) e compartilham as mesmas larguras de
   coluna. Cabeçalho e cada linha SEPARADOS calculariam "auto"/"fr" de forma
   diferente cada um, e por isso desalinhava antes disso. */
.data-grid { display: grid; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.data-grid-header, .data-grid-row { display: contents; }
.data-grid-header > div {
  background: var(--panel-2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 800;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
}
.data-grid-header > div:last-child { border-right: none; }
.data-grid-cell {
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
}
.data-grid-cell:last-child { border-right: none; }
.data-grid-row:last-child .data-grid-cell { border-bottom: none; }
.data-grid-row:hover .data-grid-cell { background: rgba(255,255,255,0.06); }
.data-grid-cell.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.data-grid-cell.center { justify-content: center; }
.data-grid-empty { grid-column: 1 / -1; padding: 24px 18px; text-align: center; color: var(--muted); font-size: 13px; }

.cols-3 { grid-template-columns: 2fr auto 2.5fr; }
.cols-4-creators { grid-template-columns: 2fr 1fr auto 2.5fr; }
.cols-4-invites { grid-template-columns: auto 1fr 1.5fr auto; }
.cols-5-rooms { grid-template-columns: 1.5fr 1fr auto auto 2.5fr; }

/* Em mobile, cada linha vira um "card": sem grid nem cabeçalho, e cada
   célula ganha um rótulo (o texto do cabeçalho correspondente) via
   data-label, pra não perder o contexto de qual coluna é qual. */
@media (max-width: 640px) {
  .data-grid { display: block; border: none; }
  .data-grid-header { display: none; }
  .data-grid-row { display: block; background: var(--panel); border: 1px solid var(--border); border-radius: 10px; margin-bottom: 10px; overflow: hidden; }
  .data-grid-cell {
    display: flex; flex-direction: column; align-items: flex-start; gap: 2px;
    border-right: none; border-bottom: 1px solid var(--border-soft); padding: 10px 14px;
  }
  .data-grid-cell:last-child { border-bottom: none; }
  .data-grid-cell::before { content: attr(data-label); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 700; }
  .data-grid-cell.center { align-items: flex-start; }
  .data-grid-cell.actions { flex-direction: row; flex-wrap: wrap; }
  .data-grid-cell.actions::before { display: none; }
}

/* Toast — mensagens de status flutuam no canto, em vez de empurrar o
   conteúdo da página; somem sozinhas depois de alguns segundos (ver JS),
   mas continuam fecháveis na mão a qualquer momento. */
.status-card {
  position: fixed;
  top: 20px;
  right: 20px;
  left: auto;
  width: min(380px, calc(100vw - 40px));
  z-index: 300;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 12px;
  animation: toast-in 0.25s ease;
}
.status-card + .status-card { top: 92px; }
.status-card .error, .status-card .success { margin-top: 0; }
.status-close { background: none; border: none; color: var(--muted); font-size: 18px; line-height: 1; cursor: pointer; padding: 0; }
@keyframes toast-in {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (max-width: 640px) {
  .status-card { left: 20px; right: 20px; width: auto; top: 12px; }
  .status-card + .status-card { top: 84px; }
}

/* Filtro de status por aba */
.filter-bar { display: flex; gap: 6px; }
.filter-btn {
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  font-size: 12px; padding: 7px 12px; border-radius: 8px; cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.filter-btn:hover { color: var(--text); }
.filter-btn.active { background: var(--panel-2); color: var(--text); border-color: var(--accent); }

/* Modal — opacidade+escala em vez de display:none/flex puro, pra poder
   transicionar suavemente. .hidden continua controlando a visibilidade
   (JS não muda), só que agora via opacity/visibility, não display. */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 100;
  opacity: 1; visibility: visible; pointer-events: auto;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.modal-overlay.hidden { display: flex; opacity: 0; visibility: hidden; pointer-events: none; }
.hidden { display: none; }
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px; width: 100%; max-width: 440px; max-height: 90vh; overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  transform: scale(1);
  transition: transform 0.2s ease;
}
.modal-overlay.hidden .modal { transform: scale(0.95); }
.modal h2 { margin-top: 0; }
.modal-actions { display: flex; gap: 10px; margin-top: 18px; }
.modal-actions .btn { margin-top: 0; flex: 1; }

@media (max-width: 640px) {
  .app.wide { max-width: 100%; }
  .top-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .card { padding: 18px; }
}