/* ===========================================================
   TuChatSimple /chat — Estilos compartidos del panel operador
   Estética mint/crema + Clash Display/Satoshi (igual que la home)
   =========================================================== */

:root {
  --mint: #00e08a;
  --mint-dark: #00b870;
  --night: #0a0f1a;
  --ink: #141b2d;
  --paper: #f5f2ed;
  --cream: #ece8e1;
  --warm-gray: #a89f94;
  --text: #3a3530;
  --text-light: #7a726a;
  --accent-coral: #ff6b4a;
  --border: rgba(20,27,45,0.08);
  --danger: #e0503a;
  --radius: 18px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Satoshi', system-ui, -apple-system, sans-serif;
  background: var(--paper);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Clash Display', sans-serif;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

a { color: var(--mint-dark); }

/* ───── Barra superior del panel ───── */
.chat-topbar {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); align-items: center;
  padding: 16px 32px;
  background: rgba(245,242,237,0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.chat-topbar .brand { justify-self: start; }
.chat-topbar nav { justify-self: center; }
.chat-topbar > .user-chip, .chat-topbar > .topbar-right { justify-self: end; }
.chat-topbar .brand {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600; font-size: 1.15em;
  color: var(--ink); text-decoration: none;
}
.chat-topbar .brand span { color: var(--mint-dark); }
.chat-topbar nav { display: flex; gap: 8px; align-items: center; }
.chat-topbar nav a {
  text-decoration: none; color: var(--text-light);
  font-size: 0.88em; font-weight: 500;
  padding: 8px 14px; border-radius: 100px; transition: all .2s;
}
.chat-topbar nav a:hover { color: var(--ink); background: rgba(20,27,45,0.05); }
.chat-topbar nav a[data-chat-nav] { display:inline-flex; align-items:center; gap:6px; }
.chat-nav-badge { position:fixed; top:76px; right:24px; z-index:80; min-width:92px; height:34px; padding:0 13px; border-radius:17px; background:var(--accent-coral, #ff6b4a); color:#fff; font-size:11px; font-weight:700; line-height:34px; text-align:center; box-shadow:0 8px 24px rgba(255,107,74,.38); animation:chatBadgePulse 1.8s ease-in-out infinite; }
.chat-nav-badge::before { content:""; position:absolute; top:-5px; right:18px; width:10px; height:10px; background:inherit; transform:rotate(45deg); border-radius:2px; }
.chat-nav-badge[hidden] { display:none; }
@keyframes chatBadgePulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.08)} }
.chat-topbar nav a.active {
  background: var(--ink); color: var(--paper);
}
.chat-topbar .user-chip {
  font-size: 0.82em; color: var(--text-light);
  padding: 6px 14px; border-radius: 100px;
  background: rgba(20,27,45,0.04);
}
.topbar-right { display:flex; align-items:center; gap:12px; }
.online-status { display:inline-flex; align-items:center; gap:7px; font-size:.8em; cursor:pointer; padding:6px 11px; border:1px solid transparent; border-radius:20px; transition:all .15s; white-space:nowrap; }
.online-status:hover { background:rgba(20,27,45,.05); border-color:var(--border); }
.online-status .os-dot { width:9px; height:9px; border-radius:50%; }
.online-status.online .os-dot { background:var(--mint-dark); box-shadow:0 0 0 4px rgba(0,184,112,.12); }
.online-status.offline .os-dot { background:var(--accent-coral); box-shadow:0 0 0 4px rgba(255,107,74,.13); }
.online-status.online { color:#087d50; background:rgba(0,224,138,.08); }
.online-status.offline { color:#b84430; background:rgba(255,107,74,.09); border-color:rgba(255,107,74,.16); }

/* ───── Layout de páginas internas ───── */
.chat-page { padding: 40px 32px 80px; max-width: 1100px; margin: 0 auto; }
.chat-page.narrow { max-width: 560px; }
.page-eyebrow {
  font-family: 'Clash Display', sans-serif;
  font-weight: 600; font-size: 0.72em;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mint-dark); margin-bottom: 10px;
}
.page-title { font-size: 2.2em; font-weight: 600; margin-bottom: 8px; }
.page-sub { color: var(--text-light); margin-bottom: 36px; font-size: 1em; }

/* ───── Tarjetas ───── */
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 22px;
}
.card h3 { font-size: 1.15em; margin-bottom: 14px; }
.card p { color: var(--text-light); font-size: 0.92em; }

/* ───── Formularios ───── */
.field { margin-bottom: 18px; }
.field label {
  display: block; font-weight: 600; font-size: 0.82em;
  color: var(--text); margin-bottom: 6px;
}
.field input, .field textarea, .field select {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: 12px; background: #fff;
  font-family: inherit; font-size: 0.95em; color: var(--text);
  transition: border-color .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none; border-color: var(--mint-dark);
}
.field textarea { resize: vertical; min-height: 90px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px;
  font-family: 'Clash Display', sans-serif; font-weight: 600; font-size: 0.92em;
  border: none; border-radius: 100px; cursor: pointer; text-decoration: none;
  transition: all .25s;
}
.btn-dark { background: var(--ink); color: var(--paper); }
.btn-dark:hover { background: var(--mint-dark); color: #fff; transform: translateY(-1px); }
.btn-mint { background: var(--mint); color: var(--ink); }
.btn-mint:hover { box-shadow: 0 10px 30px rgba(0,224,138,0.35); transform: translateY(-1px); }
.btn-ghost {
  background: transparent; color: var(--ink);
  border: 1.5px solid var(--border);
}
.btn-ghost:hover { border-color: var(--ink); background: rgba(20,27,45,0.03); }
.btn-block { width: 100%; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ───── Mensajes de estado ───── */
.alert {
  padding: 14px 18px; border-radius: 12px; margin-bottom: 20px;
  font-size: 0.9em; font-weight: 500;
}
.alert-ok { background: rgba(0,224,138,0.12); color: #0a7d4f; border: 1px solid rgba(0,224,138,0.3); }
.alert-err { background: rgba(255,107,74,0.1); color: #c2412c; border: 1px solid rgba(255,107,74,0.3); }
.alert-info { background: rgba(60,120,255,0.08); color: #2a4a9a; border: 1px solid rgba(60,120,255,0.2); }

/* ───── Pantallas de auth (login/registro) ───── */
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 40px 24px; position: relative;
}
.auth-wrap::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(0,224,138,0.12), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(255,107,74,0.08), transparent 45%);
}
.auth-card {
  position: relative; z-index: 1;
  background: #fff; border-radius: 24px; padding: 44px;
  width: 100%; max-width: 420px;
  box-shadow: 0 30px 80px rgba(20,27,45,0.1);
  border: 1px solid var(--border);
}
.auth-logo {
  font-family: 'Clash Display', sans-serif; font-weight: 700; font-size: 1.4em;
  color: var(--ink); text-align: center; margin-bottom: 6px; display: block;
  text-decoration: none;
}
.auth-logo span { color: var(--mint-dark); }
.auth-card h1 { font-size: 1.6em; text-align: center; margin-bottom: 6px; }
.auth-card .auth-sub { text-align: center; color: var(--text-light); font-size: 0.9em; margin-bottom: 28px; }
.auth-footer { text-align: center; margin-top: 22px; font-size: 0.88em; color: var(--text-light); }
.auth-footer a { font-weight: 600; }

/* ───── Badges de plan ───── */
.badge {
  display: inline-block; padding: 4px 12px; border-radius: 100px;
  font-size: 0.72em; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
}
.badge-gratis { background: rgba(168,159,148,0.2); color: var(--text-light); }
.badge-pro { background: rgba(0,224,138,0.15); color: var(--mint-dark); }

/* ───── Tablas (admin) ───── */
.table { width: 100%; min-width: 620px; border-collapse: collapse; }
.table th, .table td { padding: 12px 14px; text-align: left; font-size: 0.88em; }
.table th {
  font-family: 'Clash Display', sans-serif; font-weight: 600;
  color: var(--text-light); text-transform: uppercase; letter-spacing: 0.06em;
  font-size: 0.72em; border-bottom: 1px solid var(--border);
}
.table td { border-bottom: 1px solid var(--border); color: var(--text); }
.table tr:last-child td { border-bottom: none; }

/* ───── Bloque de código (instalar.php) ───── */
.code-block {
  background: var(--ink); color: var(--mint);
  padding: 18px 20px; border-radius: 14px;
  font-family: 'SF Mono', 'Fira Code', Consolas, monospace;
  font-size: 0.85em; overflow-x: auto; white-space: nowrap;
  display: flex; align-items: center; gap: 12px;
}
.code-block code { flex: 1; }

/* ───── Animaciones ───── */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.fade-in { animation: fadeInUp .5s ease both; }

/* ───── Responsive ───── */
@media (max-width: 720px) {
  .chat-topbar { grid-template-columns:1fr auto; gap:10px 12px; padding: 12px 14px 8px; }
  .chat-topbar nav { grid-column:1/-1; grid-row:2; justify-self:stretch; width:100%; overflow-x:auto; scrollbar-width:none; padding:2px 0 4px; }
  .chat-topbar nav::-webkit-scrollbar { display:none; }
  .chat-topbar nav a { flex:0 0 auto; padding: 6px 10px; font-size: 0.78em; white-space:nowrap; }
  .chat-nav-badge { top:112px; right:14px; }
  .chat-topbar .user-chip { display: none; }
  .chat-topbar > .topbar-right { gap:8px; }
  .chat-topbar > .topbar-right .user-chip { display:none; }
  .chat-page { padding: 28px 18px 60px; }
  .page-title { font-size: 1.7em; }
  .auth-card { padding: 30px 22px; }
  .card { padding:20px; overflow-x:auto; }
  .btn { max-width:100%; }
  .code-block { align-items:flex-start; flex-direction:column; white-space:normal; }
  .code-block code { min-width:0; overflow-wrap:anywhere; }
  form > div[style*="grid-template-columns"] { grid-template-columns:1fr !important; }
  form > div[style*="display:flex"] { flex-wrap:wrap; }
}

@media (max-width: 420px) {
  .chat-topbar .brand { font-size:1em; }
  .chat-page { padding-left:14px; padding-right:14px; }
  .card { border-radius:14px; padding:17px; }
  .auth-wrap { padding:18px 12px; }
  .auth-card { padding:26px 18px; border-radius:18px; }
}