:root {
  --ink: #1b2333; --muted: #64708a; --line: #dde3ec; --bg: #f6f8fb; --card: #fff;
  --navy: #16324f; --side: #13263d; --teal: #0e7c6b; --teal-2: #2fc2a5; --teal-soft: #e6f4f1;
  --red: #d64545; --amber: #d99a00;
  --s-interesado_ahora: #1f9d55; --s-pide_llamada: #0e7c6b; --s-mas_adelante: #d99a00;
  --s-requiere_humano: #7c5cc4; --s-no_interesado: #98a2b3; --s-baja: #d64545; --s-sin_respuesta: #c3cad5;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 "Segoe UI", system-ui, -apple-system, Arial, sans-serif; color: var(--ink); background: var(--bg); }
a { color: var(--teal); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; color: var(--navy); }
h2 { font-size: 16px; margin: 0 0 10px; color: var(--navy); }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

/* Layout */
.app { display: flex; min-height: 100vh; }
.side { width: 220px; background: var(--side); color: #b8c4d6; padding: 18px 0; flex: none; display: flex; flex-direction: column; }
.logo { color: #fff; font-weight: 700; font-size: 16px; padding: 0 18px 18px; }
.logo small { display: block; color: #6fd1bd; font-weight: 600; font-size: 11.5px; }
.nav a { display: block; padding: 9px 18px; color: #b8c4d6; border-left: 3px solid transparent; }
.nav a:hover { background: #1a3150; text-decoration: none; color: #fff; }
.nav a.on { background: #1d3a5c; color: #fff; border-left-color: var(--teal-2); }
.side-foot { margin-top: auto; padding: 14px 18px; font-size: 12px; }
.side-foot button { background: none; border: 0; color: #8fa3bf; cursor: pointer; padding: 0; font: inherit; }
.main { flex: 1; padding: 24px 28px; max-width: 1280px; }
.head { display: flex; justify-content: space-between; align-items: flex-end; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }

/* Bloques */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px 18px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.g2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 16px; }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; }
.kpi .l { font-size: 12px; color: var(--muted); }
.kpi .v { font-size: 24px; font-weight: 700; color: var(--navy); line-height: 1.2; }
.kpi.hl { background: #f3fbf8; border-color: #9fd8c9; } .kpi.hl .v { color: var(--teal); }

/* Tablas */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--line); }
td { padding: 9px 10px; border-bottom: 1px solid #eef1f5; vertical-align: top; }
tr:hover td { background: #fafbfd; }

/* Botones y formularios */
.btn { display: inline-block; border-radius: 7px; padding: 7px 14px; font: 600 13.5px/1.2 inherit; border: 1px solid var(--line); background: #fff; color: var(--navy); cursor: pointer; }
.btn:hover { text-decoration: none; border-color: #b9c3d1; }
.btn.pri { background: var(--teal); border-color: var(--teal); color: #fff; }
.btn.pri:hover { background: #0b6a5b; }
.btn.danger { color: var(--red); }
.btn.sm { padding: 4px 10px; font-size: 12.5px; }
.inline { display: inline; }
label { display: block; font-weight: 600; font-size: 13px; margin: 12px 0 4px; }
.hint { font-weight: 400; color: var(--muted); font-size: 12.5px; }
input[type=text], input[type=password], input[type=number], input[type=time], input[type=date], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #cfd6e0; border-radius: 7px; font: inherit; background: #fff; }
textarea { min-height: 90px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--teal-2); outline-offset: -1px; border-color: var(--teal); }
.row { display: flex; gap: 12px; } .row > * { flex: 1; }
.days label { display: inline-flex; align-items: center; gap: 4px; font-weight: 400; margin: 4px 12px 0 0; }
.actions { margin-top: 18px; display: flex; gap: 8px; }

/* Avisos */
.flash { border-radius: 8px; padding: 10px 14px; margin-bottom: 16px; white-space: pre-line; }
.flash.ok { background: var(--teal-soft); border: 1px solid #bfe5da; }
.flash.err { background: #fdecec; border: 1px solid #f3c2c2; color: #8a2020; }

/* Estados */
.st { display: inline-block; border-radius: 12px; padding: 2px 9px; font-size: 12px; font-weight: 600; color: #fff; white-space: nowrap; background: var(--s-sin_respuesta); }
.st-interesado_ahora { background: var(--s-interesado_ahora); } .st-pide_llamada { background: var(--s-pide_llamada); }
.st-mas_adelante { background: var(--s-mas_adelante); } .st-requiere_humano { background: var(--s-requiere_humano); }
.st-no_interesado { background: var(--s-no_interesado); } .st-baja { background: var(--s-baja); }
.st-sin_respuesta { background: var(--s-sin_respuesta); color: #42506a; } .st-none { background: #eef1f5; color: var(--muted); }
.pill { display: inline-block; border-radius: 12px; padding: 2px 9px; font-size: 12px; font-weight: 600; background: #eef1f5; color: var(--muted); }
.pill.running { background: var(--teal-soft); color: var(--teal); } .pill.paused { background: #fff4d6; color: #8a6400; }
.pill.failed { background: #fdecec; color: var(--red); }
.score { display: inline-block; min-width: 28px; text-align: center; font-weight: 700; border-radius: 5px; padding: 0 4px; background: #eef7f4; color: var(--teal); }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.tabs a { padding: 4px 11px; border-radius: 14px; background: #eef1f5; color: var(--navy); font-size: 12.5px; font-weight: 600; }
.tabs a.on { background: var(--navy); color: #fff; }
.tabs a:hover { text-decoration: none; }

/* Conversación estilo WhatsApp */
.chat-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; align-items: start; }
.chat { background: #ece5dd; border-radius: 12px; padding: 14px; display: flex; flex-direction: column; gap: 6px; min-height: 380px; }
.m { max-width: 75%; padding: 6px 10px 4px; border-radius: 8px; box-shadow: 0 1px 0 rgba(0,0,0,.08); word-wrap: break-word; }
.m .body { white-space: pre-wrap; }
.m .t { display: block; text-align: right; font-size: 11px; color: #8696a0; margin-top: 2px; }
.m.out { background: #fff; align-self: flex-start; }
.m.in { background: #d9fdd3; align-self: flex-end; }
.m .who { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .3px; margin-bottom: 1px; }
.who.bot { color: #7c5cc4; } .who.human { color: #c2410c; } .who.system { color: var(--teal); }
.m.failed { outline: 2px solid #f3a5a5; }
.m .err { display: block; color: var(--red); font-size: 12px; margin-top: 2px; }
.tbtn { align-self: flex-start; width: 75%; margin-top: -4px; background: #fff; border-radius: 0 0 8px 8px; }
.tbtn div { border-top: 1px solid #e9edef; color: #027eb5; text-align: center; padding: 5px 0; font-size: 13px; }
.composer { display: flex; gap: 8px; margin-top: 10px; }
.composer input { flex: 1; }
.quick { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.kv { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px dashed #e6eaf0; font-size: 13px; }
.kv:last-child { border-bottom: 0; } .kv b { text-align: right; }
.empty { text-align: center; color: var(--muted); padding: 30px; }

/* Login */
.login { max-width: 360px; margin: 12vh auto; }

@media (max-width: 900px) {
  .app { flex-direction: column; } .side { width: auto; } .nav { display: flex; flex-wrap: wrap; }
  .g2, .g3, .chat-wrap { grid-template-columns: 1fr; } .main { padding: 16px; } .row { flex-direction: column; }
}
.pagination { display: flex; gap: 6px; list-style: none; padding: 0; margin: 0; }
.pagination li a, .pagination li span { display: inline-block; padding: 5px 12px; border: 1px solid var(--line); border-radius: 7px; background: #fff; }
.pagination li.disabled span { color: #b0b8c6; }