:root {
  --tinta: #0a110f;
  --panel: #111b18;
  --panel-2: #172521;
  --linea: #24352f;
  --texto: #e7efe9;
  --tenue: #8fa39a;
  --lima: #c8f23a;
  --lima-osc: #1d2a0a;
  --ambar: #ffb224;
  --rojo: #ff6b5b;
  --burbuja-mia: #1f3a1a;
  --radio: 14px;
  --display: 'Bricolage Grotesque', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--tinta); color: var(--texto);
  font: 15px/1.45 var(--display); -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(circle at 100% 0, rgba(200,242,58,.07), transparent 40%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.015) 0 1px, transparent 1px 4px);
}
[hidden] { display: none !important; }
.mono { font-family: var(--mono); }
.pantalla { min-height: 100%; display: flex; flex-direction: column; max-width: 760px; margin: 0 auto; }

/* Marca */
.marca { font-weight: 800; letter-spacing: .18em; font-size: 15px; display: flex; align-items: center; gap: 9px; }
.marca.grande { font-size: 34px; letter-spacing: .14em; }
.marca-punto { width: 11px; height: 11px; background: var(--lima); border-radius: 3px; transform: rotate(45deg); box-shadow: 0 0 18px var(--lima); }
.sub { color: var(--tenue); margin: 6px 0 18px; }

/* Acceso */
#login { justify-content: center; padding: 24px 16px; }
.login-caja { background: var(--panel); border: 1px solid var(--linea); border-radius: 22px; padding: 28px 22px; }
label { display: block; font-size: 13px; color: var(--tenue); margin-bottom: 6px; }
input, textarea {
  width: 100%; background: var(--tinta); color: var(--texto); border: 1px solid var(--linea);
  border-radius: 12px; padding: 12px 14px; font: inherit; outline: none;
}
input:focus, textarea:focus { border-color: var(--lima); }
.error { color: var(--rojo); font-size: 14px; }

/* Botones */
.btn {
  background: var(--panel-2); color: var(--texto); border: 1px solid var(--linea);
  border-radius: 12px; padding: 11px 16px; font: 600 15px var(--display); cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn.primario { background: var(--lima); color: #0d1404; border-color: var(--lima); font-weight: 800; }
.btn.chico { padding: 9px 12px; font-size: 14px; white-space: nowrap; }
.btn.bloque { width: 100%; margin-top: 10px; text-align: left; }
.btn:disabled { opacity: .5; }
#form-login .btn { width: 100%; margin-top: 14px; }
.icono { background: none; border: 0; color: var(--texto); font-size: 22px; width: 42px; height: 42px; border-radius: 10px; cursor: pointer; }
.icono:active { background: var(--panel-2); }

/* Barra y cuentas */
.barra {
  position: sticky; top: 0; z-index: 5; display: flex; justify-content: space-between; align-items: center;
  padding: calc(10px + env(safe-area-inset-top)) 12px 8px 16px; background: rgba(10,17,15,.92); backdrop-filter: blur(8px);
}
.barra-acciones { display: flex; gap: 2px; }
.cuentas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; padding: 4px 12px 12px; }
.cuenta {
  position: relative; text-align: left; background: var(--panel); border: 1px solid var(--linea);
  border-radius: var(--radio); padding: 10px 10px 9px; color: var(--texto); cursor: pointer; overflow: hidden;
}
.cuenta.activa { border-color: var(--lima); background: linear-gradient(160deg, var(--lima-osc), var(--panel) 70%); }
.cuenta .nombre { font-weight: 800; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; display: block; }
.cuenta .num { font: 12px var(--mono); color: var(--tenue); display: block; margin-top: 2px; }
.cuenta .estado { font-size: 11px; display: flex; align-items: center; gap: 5px; margin-top: 6px; color: var(--tenue); }
.punto { width: 8px; height: 8px; border-radius: 50%; background: var(--tenue); flex: none; }
.punto.conectado { background: var(--lima); box-shadow: 0 0 8px var(--lima); }
.punto.esperando_vinculo, .punto.conectando, .punto.reconectando { background: var(--ambar); animation: latido 1.2s infinite; }
.punto.desvinculado, .punto.sin_configurar { background: var(--rojo); }
.punto.esperando_codigo, .punto.esperando_clave { background: var(--ambar); animation: latido 1.2s infinite; }
.cuenta .badge { position: absolute; top: 8px; right: 8px; }
@keyframes latido { 50% { opacity: .35; } }

/* Canales */
.canales { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; margin: 0 12px 10px; padding: 4px; background: var(--panel); border: 1px solid var(--linea); border-radius: 14px; }
.canal { background: none; border: 0; color: var(--tenue); font: 700 14px var(--display); padding: 9px; border-radius: 10px; cursor: pointer; letter-spacing: .04em; }
.canal.activo { background: var(--texto); color: var(--tinta); }
.canal[data-canal="telegram"].activo { background: #5ec8ff; }
body.tg .cuenta.activa { border-color: #5ec8ff; background: linear-gradient(160deg, #0b2533, var(--panel) 70%); }
.form-dato { display: grid; gap: 10px; margin-top: 16px; text-align: left; }
.form-dato input { font: 500 22px var(--mono); letter-spacing: .2em; text-align: center; }
.form-dato input[type=password] { letter-spacing: normal; font: 16px var(--display); text-align: left; }

/* Lista */
.vista { flex: 1; display: flex; flex-direction: column; padding: 0 12px calc(12px + env(safe-area-inset-bottom)); min-height: 0; }
.herramientas { display: flex; gap: 8px; margin-bottom: 10px; }
.lista { display: flex; flex-direction: column; gap: 2px; }
.chat {
  display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center;
  padding: 11px 10px; border-radius: 12px; cursor: pointer; border-left: 3px solid transparent;
}
.chat:active, .chat:hover { background: var(--panel); }
.chat.pendiente { border-left-color: var(--ambar); }
.avatar {
  width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center;
  background: var(--panel-2); font-weight: 800; color: var(--lima); font-size: 17px;
}
.chat .medio { min-width: 0; }
.chat .t { font-weight: 700; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat .u { color: var(--tenue); font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat .der { text-align: right; display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.hora { font: 11px var(--mono); color: var(--tenue); }
.badge { background: var(--lima); color: #0d1404; font: 700 11px var(--mono); border-radius: 999px; padding: 1px 7px; }
.vacio { color: var(--tenue); text-align: center; padding: 40px 16px; }

/* Vinculación */
.vinculo { background: var(--panel); border: 1px solid var(--linea); border-radius: 20px; padding: 22px 18px; text-align: center; }
.vinculo h2 { margin: 0 0 4px; font-size: 22px; }
.vinculo .opciones { display: grid; gap: 10px; margin-top: 18px; }
.codigo { font: 500 34px var(--mono); letter-spacing: .12em; color: var(--lima); margin: 18px 0 8px; user-select: all; }
.qr { background: #fff; padding: 10px; border-radius: 14px; width: min(280px, 80vw); margin: 14px auto 6px; display: block; }
.pasos { text-align: left; color: var(--tenue); font-size: 14px; padding-left: 20px; margin: 14px 0 0; }
.pasos b { color: var(--texto); }

/* Chat */
#vista-chat { height: calc(100dvh - 140px); }
.chat-cabeza { display: flex; align-items: center; gap: 6px; padding: 2px 0 10px; border-bottom: 1px solid var(--linea); }
.chat-titulo { display: flex; flex-direction: column; min-width: 0; }
.chat-titulo strong { font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.chat-titulo span { font-size: 12px; color: var(--tenue); }
.mensajes { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 6px; padding: 14px 2px; }
.burbuja { max-width: 82%; padding: 8px 12px 6px; border-radius: 16px; background: var(--panel); border: 1px solid var(--linea); white-space: pre-wrap; word-wrap: break-word; }
.burbuja.mia { align-self: flex-end; background: var(--burbuja-mia); border-color: #2f5226; border-bottom-right-radius: 5px; }
.burbuja:not(.mia) { border-bottom-left-radius: 5px; }
.burbuja .autor { display: block; font-size: 12px; color: var(--lima); font-weight: 700; margin-bottom: 2px; }
.burbuja .hora { display: block; text-align: right; margin-top: 2px; }
.dia { align-self: center; font: 11px var(--mono); color: var(--tenue); background: var(--panel); padding: 3px 10px; border-radius: 999px; margin: 6px 0; }
.redactor { display: flex; gap: 8px; align-items: flex-end; padding-top: 8px; }
.redactor textarea { resize: none; max-height: 140px; border-radius: 22px; padding: 11px 16px; }
.enviar { border-radius: 50%; width: 46px; height: 46px; padding: 0; flex: none; font-size: 18px; }

/* Hojas */
.hoja {
  width: min(560px, calc(100% - 24px)); background: var(--panel); color: var(--texto);
  border: 1px solid var(--linea); border-radius: 20px; padding: 20px 18px;
}
.hoja::backdrop { background: rgba(0,0,0,.6); backdrop-filter: blur(2px); }
.hoja h2 { margin: 0; font-size: 20px; }
.fila-botones { display: flex; justify-content: flex-end; gap: 10px; margin-top: 14px; }
.aviso {
  position: fixed; left: 50%; bottom: calc(20px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  background: var(--texto); color: var(--tinta); padding: 10px 16px; border-radius: 12px; font-weight: 600; z-index: 20;
  max-width: calc(100% - 32px);
}