/* ==========================================================================
   Nico Portal — estilos (derivados del mockup nico-inbox-ui.html)
   ========================================================================== */
:root {
  --ground: #F1F0FA;
  --panel: #FFFFFF;
  --panel-2: #FAF9FF;
  --ink: #191A2C;
  --muted: #6E6F87;
  --faint: #A6A7BE;
  --line: #ECEBF6;
  --line-soft: #F3F2FB;
  --pink: #FF5C8D;
  --purple: #8B5CF6;
  --indigo: #6366F1;
  --grad: linear-gradient(135deg, #FF5C8D 0%, #A45BE0 55%, #8B5CF6 100%);
  --grad-soft: linear-gradient(135deg, rgba(255,92,141,.12), rgba(139,92,246,.12));
  --ok: #17B978;
  --ok-soft: rgba(23,185,120,.12);
  --warn: #FB7185;
  --warn-soft: rgba(251,113,133,.13);
  --talk: #6366F1;
  --talk-soft: rgba(99,102,241,.12);
  --shadow: 0 1px 2px rgba(25,26,44,.04), 0 12px 32px -12px rgba(80,60,160,.16);
  --shadow-sm: 0 1px 3px rgba(25,26,44,.06);
  --radius: 20px;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #101127; --panel: #1A1B36; --panel-2: #1F2042; --ink: #ECECF7;
    --muted: #9FA0C2; --faint: #6C6D93; --line: #2A2B52; --line-soft: #23244A;
    --grad-soft: linear-gradient(135deg, rgba(255,92,141,.18), rgba(139,92,246,.20));
    --ok-soft: rgba(23,185,120,.18); --warn-soft: rgba(251,113,133,.18); --talk-soft: rgba(99,102,241,.20);
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 18px 40px -14px rgba(0,0,0,.55);
    --shadow-sm: 0 1px 3px rgba(0,0,0,.35);
  }
}
:root[data-theme="light"] {
  --ground: #F1F0FA; --panel: #FFFFFF; --panel-2: #FAF9FF; --ink: #191A2C;
  --muted: #6E6F87; --faint: #A6A7BE; --line: #ECEBF6; --line-soft: #F3F2FB;
  --grad-soft: linear-gradient(135deg, rgba(255,92,141,.12), rgba(139,92,246,.12));
  --ok-soft: rgba(23,185,120,.12); --warn-soft: rgba(251,113,133,.13); --talk-soft: rgba(99,102,241,.12);
  --shadow: 0 1px 2px rgba(25,26,44,.04), 0 12px 32px -12px rgba(80,60,160,.16);
}
:root[data-theme="dark"] {
  --ground: #101127; --panel: #1A1B36; --panel-2: #1F2042; --ink: #ECECF7;
  --muted: #9FA0C2; --faint: #6C6D93; --line: #2A2B52; --line-soft: #23244A;
  --grad-soft: linear-gradient(135deg, rgba(255,92,141,.18), rgba(139,92,246,.20));
  --ok-soft: rgba(23,185,120,.18); --warn-soft: rgba(251,113,133,.18); --talk-soft: rgba(99,102,241,.20);
  --shadow: 0 1px 2px rgba(0,0,0,.3), 0 18px 40px -14px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1100px 520px at 88% -10%, rgba(255,92,141,.14), transparent 60%),
    radial-gradient(1000px 560px at -8% 108%, rgba(139,92,246,.16), transparent 58%),
    var(--ground);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  line-height: 1.45;
}
.hidden { display: none !important; }
[hidden] { display: none !important; }

/* ---- login ---- */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: min(420px, 100%); background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 34px 30px 30px;
}
.login-brand { display: flex; flex-direction: column; align-items: center; gap: 14px; margin-bottom: 26px; }
.login-brand .mark { width: 56px; height: 56px; }
.login-brand .word { font-size: 24px; font-weight: 400; letter-spacing: .34em; text-transform: uppercase; padding-left: .34em; }
.login-brand .tag { font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--faint); font-weight: 600; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; letter-spacing: .02em; }
.field input {
  width: 100%; font-family: inherit; font-size: 14px; color: var(--ink);
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
  transition: border-color .15s;
}
.field input:focus { outline: none; border-color: var(--purple); }
.btn-primary {
  width: 100%; font-family: inherit; font-size: 15px; font-weight: 650; color: #fff; cursor: pointer;
  background: var(--grad); border: none; padding: 14px; border-radius: 13px; margin-top: 8px;
  box-shadow: 0 8px 22px -8px rgba(139,92,246,.65); transition: transform .15s, box-shadow .15s;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -8px rgba(139,92,246,.8); }
.btn-primary:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.login-err { color: var(--warn); font-size: 13px; font-weight: 600; margin: 10px 2px 0; min-height: 18px; }
.login-foot { text-align: center; font-size: 11.5px; color: var(--faint); margin-top: 20px; }

/* ---- app ---- */
.nico-wrap { padding: clamp(14px, 3vw, 34px); }
.topbar { display: flex; align-items: center; justify-content: space-between; max-width: 1160px; margin: 0 auto 18px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand .mark { width: 40px; height: 40px; flex: none; }
.brand .word { font-size: 20px; font-weight: 400; letter-spacing: .34em; text-transform: uppercase; padding-left: .34em; }
.brand .tag { font-size: 10px; letter-spacing: .22em; text-transform: uppercase; color: var(--faint); font-weight: 600; margin-top: 3px; }
.top-actions { display: flex; align-items: center; gap: 10px; }
.who { display: flex; align-items: center; gap: 9px; padding: 6px 14px 6px 6px; background: var(--panel); border: 1px solid var(--line); border-radius: 100px; box-shadow: var(--shadow-sm); font-size: 13px; font-weight: 500; }
.who .dot { width: 26px; height: 26px; border-radius: 50%; background: var(--grad); display: grid; place-items: center; color: #fff; font-size: 11px; font-weight: 700; }
.icon-btn { width: 40px; height: 40px; border-radius: 12px; border: 1px solid var(--line); background: var(--panel); color: var(--muted); cursor: pointer; display: grid; place-items: center; box-shadow: var(--shadow-sm); transition: color .15s, transform .15s; }
.icon-btn:hover { color: var(--ink); transform: translateY(-1px); }
.icon-btn:focus-visible { outline: 2px solid var(--purple); outline-offset: 2px; }

/* connection dot */
.conn { display: inline-flex; align-items: center; gap: 7px; font-size: 12px; font-weight: 600; color: var(--muted); padding: 6px 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 100px; box-shadow: var(--shadow-sm); }
.conn .c-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--faint); transition: background .2s; }
.conn.live .c-dot { background: var(--ok); box-shadow: 0 0 0 3px var(--ok-soft); }
.conn.polling .c-dot { background: var(--talk); box-shadow: 0 0 0 3px var(--talk-soft); }
.conn.down .c-dot { background: var(--warn); box-shadow: 0 0 0 3px var(--warn-soft); }

.app { max-width: 1160px; margin: 0 auto; height: min(74vh, 720px); display: grid; grid-template-columns: 336px 1fr; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }

.list { border-right: 1px solid var(--line); display: flex; flex-direction: column; background: var(--panel-2); min-height: 0; }
.list-head { padding: 20px 20px 12px; display: flex; align-items: center; justify-content: space-between; }
.list-head .label { font-size: 11px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--faint); }
.count-pill { font-size: 11px; font-weight: 700; color: var(--purple); background: var(--grad-soft); padding: 2px 9px; border-radius: 100px; }
.list-scroll { overflow-y: auto; padding: 4px 10px 12px; display: flex; flex-direction: column; gap: 3px; min-height: 0; }
.conv { position: relative; display: grid; grid-template-columns: 40px 1fr; gap: 12px; padding: 12px; border-radius: 14px; cursor: pointer; border: 1px solid transparent; text-align: left; background: transparent; font-family: inherit; color: inherit; width: 100%; transition: background .14s, border-color .14s; }
.conv:hover { background: var(--panel); }
.conv:focus-visible { outline: 2px solid var(--purple); outline-offset: -2px; }
.conv.active { background: var(--panel); border-color: var(--line); box-shadow: var(--shadow-sm); }
.conv.warn { background: linear-gradient(90deg, var(--warn-soft), transparent 55%); }
.conv.warn:hover, .conv.warn.active { background: linear-gradient(90deg, var(--warn-soft), var(--panel) 55%); }
.conv.warn::before { content: ""; position: absolute; left: 3px; top: 10px; bottom: 10px; width: 3px; border-radius: 3px; background: var(--warn); }
.av { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; font-size: 14px; color: #fff; flex: none; }
.conv-body { min-width: 0; }
.conv-top { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.conv-name { font-weight: 650; font-size: 14px; letter-spacing: -.01em; }
.conv-time { font-size: 11px; color: var(--faint); font-variant-numeric: tabular-nums; flex: none; }
.conv-prev { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: 2px 0 6px; }
.status { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; }
.status .s-dot { width: 7px; height: 7px; border-radius: 50%; }
.s-nico { color: var(--purple); } .s-nico .s-dot { background: var(--purple); }
.s-ok { color: var(--ok); } .s-ok .s-dot { background: var(--ok); }
.s-warn { color: var(--warn); } .s-warn .s-dot { background: var(--warn); }
.s-talk { color: var(--talk); } .s-talk .s-dot { background: var(--talk); }
.s-control { color: var(--pink); } .s-control .s-dot { background: var(--grad); }

.thread { display: flex; flex-direction: column; min-width: 0; min-height: 0; }
.th-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.th-id { display: flex; align-items: center; gap: 12px; }
.th-id .meta .nm { font-weight: 650; font-size: 15px; }
.th-id .meta .sub { font-size: 12px; color: var(--faint); margin-top: 1px; }
.pill { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 600; padding: 7px 13px; border-radius: 100px; border: 1px solid transparent; }
.pill .p-ico { display: grid; place-items: center; }
.pill-nico { color: var(--purple); background: var(--grad-soft); }
.pill-control { color: #fff; background: var(--grad); box-shadow: 0 6px 16px -6px rgba(139,92,246,.6); }
#thPill { display: flex; align-items: center; gap: 10px; }
.btn-release { display: inline-flex; align-items: center; gap: 7px; font-family: inherit; font-size: 13px; font-weight: 700; cursor: pointer; color: #fff; background: var(--ok); border: none; border-radius: 100px; padding: 9px 16px; box-shadow: 0 6px 16px -6px rgba(23,185,120,.65); transition: transform .15s, box-shadow .15s; }
.btn-release:hover { transform: translateY(-1px); box-shadow: 0 10px 22px -8px rgba(23,185,120,.85); }
.btn-release:focus-visible { outline: 2px solid var(--ok); outline-offset: 2px; }
.btn-release:disabled { opacity: .55; cursor: not-allowed; transform: none; }

.msgs { flex: 1; overflow-y: auto; padding: 24px 22px; display: flex; flex-direction: column; gap: 14px; min-height: 0; }
.row { display: flex; }
.row.out { justify-content: flex-end; }
.bub { max-width: 74%; padding: 13px 16px; border-radius: 18px; font-size: 14px; line-height: 1.5; box-shadow: var(--shadow-sm); white-space: pre-wrap; word-wrap: break-word; }
.bub.in { background: var(--panel-2); border: 1px solid var(--line); border-bottom-left-radius: 6px; }
.bub.nico { background: var(--grad); color: #fff; border-bottom-right-radius: 6px; }
.bub.human { background: var(--ink); color: var(--panel); border-bottom-right-radius: 6px; }
.bub .b-time { display: block; font-size: 10.5px; margin-top: 5px; opacity: .6; font-variant-numeric: tabular-nums; }
.b-from { display: block; font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; opacity: .8; margin-bottom: 3px; }
.bub.pending { opacity: .55; }
.bub.failed { outline: 1.5px solid var(--warn); }
.bub.failed .b-time { color: var(--warn); opacity: 1; font-weight: 700; }
.retry-btn { display: inline-flex; align-items: center; gap: 5px; margin-top: 9px; font-family: inherit; font-size: 11.5px; font-weight: 700; color: var(--warn); background: var(--panel); border: 1px solid var(--warn); border-radius: 8px; padding: 4px 10px; cursor: pointer; transition: background .14s; }
.retry-btn:hover { background: var(--warn-soft); }
.retry-btn:focus-visible { outline: 2px solid var(--warn); outline-offset: 2px; }

.control-card { margin: 6px 0 2px; padding: 18px 20px; border-radius: 18px; background: var(--grad-soft); border: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 16px 20px; align-items: center; }
.control-card .cc-txt { font-size: 13.5px; color: var(--ink); }
.control-card .cc-txt b { font-weight: 700; }
.control-card .cc-hand { font-size: 18px; }
.btn-control { font-family: inherit; font-size: 14px; font-weight: 650; color: #fff; cursor: pointer; background: var(--grad); border: none; padding: 13px 22px; border-radius: 13px; box-shadow: 0 8px 22px -8px rgba(139,92,246,.65); transition: transform .15s, box-shadow .15s; white-space: nowrap; }
.btn-control:hover { transform: translateY(-1px); box-shadow: 0 12px 26px -8px rgba(139,92,246,.8); }
.btn-control:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-control:focus-visible { outline: 2px solid var(--pink); outline-offset: 2px; }

.took { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 12px; font-weight: 600; color: var(--muted); margin: 4px 0; }
.took .line { height: 1px; flex: 1; background: var(--line); }

.dryrun-banner { display: flex; align-items: center; gap: 8px; justify-content: center; font-size: 12px; font-weight: 700; color: #92400E; background: #FEF3C7; border: 1px solid #FCD34D; border-radius: 10px; padding: 8px 12px; margin: 0 0 10px; }
@media (prefers-color-scheme: dark) { .dryrun-banner { color: #FDE68A; background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.35); } }

.composer { padding: 14px 18px 18px; border-top: 1px solid var(--line); }
.comp-inner { display: flex; align-items: flex-end; gap: 10px; background: var(--panel-2); border: 1px solid var(--line); border-radius: 15px; padding: 8px 8px 8px 16px; transition: border-color .15s; }
.comp-inner:focus-within { border-color: var(--purple); }
.composer textarea { flex: 1; border: none; background: transparent; resize: none; font-family: inherit; font-size: 14px; color: var(--ink); line-height: 1.5; max-height: 120px; padding: 6px 0; }
.composer textarea:focus { outline: none; }
.composer textarea::placeholder { color: var(--faint); }
.send { width: 38px; height: 38px; border-radius: 11px; border: none; background: var(--grad); color: #fff; cursor: pointer; display: grid; place-items: center; flex: none; transition: transform .15s; }
.send:hover { transform: translateY(-1px); }
.send:disabled { opacity: .4; cursor: not-allowed; transform: none; }
.comp-hint { font-size: 11.5px; color: var(--faint); margin: 8px 4px 0; display: flex; align-items: center; gap: 6px; }
.comp-hint.warn { color: #92400E; background: #FEF3C7; border: 1px solid #FCD34D; border-radius: 10px; padding: 8px 11px; font-weight: 600; }
@media (prefers-color-scheme: dark) { .comp-hint.warn { color: #FDE68A; background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.35); } }
:root[data-theme="dark"] .comp-hint.warn { color: #FDE68A; background: rgba(251,191,36,.12); border-color: rgba(251,191,36,.35); }
:root[data-theme="light"] .comp-hint.warn { color: #92400E; background: #FEF3C7; border-color: #FCD34D; }

.locked-note { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 16px; font-size: 12.5px; color: var(--faint); text-align: center; }
.empty-note { display: grid; place-items: center; height: 100%; color: var(--faint); font-size: 13px; padding: 24px; text-align: center; }

/* Botón "volver" del hilo: solo visible en móvil */
.th-back { display: none; margin-right: 4px; }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }

/* Móvil: una vista a la vez (lista ↔ hilo) con botón de volver */
@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; height: min(84vh, 760px); }
  .list { border-right: none; }
  .thread { display: none; }
  .app.show-thread .list { display: none; }
  .app.show-thread .thread { display: flex; }
  .th-back { display: grid; }
  .th-head { padding: 14px 16px; }
  .brand .tag { display: none; }
  .bub { max-width: 86%; }
}
@media (max-width: 520px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .who span:not(.dot) { display: none; }
  .who { padding: 6px; }
  .conn span:not(.c-dot) { display: none; }
  .conn { padding: 8px; }
}