:root{
  --bg:#090c11;--bg2:#0e131a;--panel:rgba(19,25,34,.76);--panel-solid:#121820;
  --line:rgba(255,255,255,.075);--text:#f4f7fb;--muted:#8e99a8;
  --ok:#55d98d;--bad:#ff6b73;--accent:#dbe6f4;--shadow:0 18px 50px rgba(0,0,0,.32);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
body{min-height:100vh;background:
radial-gradient(circle at 85% -10%,rgba(88,118,155,.22),transparent 35%),
radial-gradient(circle at 0 100%,rgba(46,64,86,.16),transparent 35%),var(--bg)}
button,input{font:inherit}
.hidden{display:none!important}
.glass{background:rgba(15,20,28,.74);backdrop-filter:blur(24px) saturate(140%);-webkit-backdrop-filter:blur(24px) saturate(140%);border:1px solid var(--line);box-shadow:var(--shadow)}

/* Auth */
.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:min(430px,100%);border-radius:28px;padding:34px}
.auth-logo{width:58px;height:58px;border-radius:18px;display:grid;place-items:center;margin-bottom:26px;background:linear-gradient(145deg,#f3f6fb,#7f8da0);color:#0b0f14;font-size:1.35rem;font-weight:800;box-shadow:0 10px 28px rgba(0,0,0,.28)}
.eyebrow{font-size:.68rem;letter-spacing:.16em;color:#97a4b4;font-weight:750;margin-bottom:7px}
.auth-card h1,.hero h1{margin:0;color:#fff;letter-spacing:-.03em}
.auth-card h1{font-size:2rem}
.auth-card p{margin:8px 0 25px;color:var(--muted)}
.auth-card label{display:block;font-size:.78rem;color:#b4bfcc;margin:13px 0 7px}
.auth-card input{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px 14px;color:#fff;background:rgba(255,255,255,.045);outline:none;transition:.2s}
.auth-card input:focus{border-color:rgba(216,230,247,.32);box-shadow:0 0 0 4px rgba(216,230,247,.06)}
.password-wrap{position:relative}.password-wrap input{padding-right:82px}
.eye-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);border:0;background:transparent;color:#9da9b9;font-size:.72rem;cursor:pointer}
.check-row{display:flex!important;align-items:center;gap:9px;margin-top:16px!important;cursor:pointer}.check-row input{width:auto}
.primary-btn{width:100%;border:0;border-radius:14px;padding:13px 15px;margin-top:18px;background:linear-gradient(180deg,#eef3fa,#bdc9d8);color:#10141a;font-weight:750;cursor:pointer;box-shadow:0 10px 26px rgba(0,0,0,.2)}
.primary-btn:hover{filter:brightness(1.03)}
.auth-error{min-height:18px;margin-top:10px;color:#ff8e95;font-size:.76rem}
.auth-foot{text-align:center;color:#667180;font-size:.72rem;margin-top:22px}

/* App shell */
.app{min-height:100vh}
.topbar{height:74px;position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:0 22px;border-width:0 0 1px}
.brand{display:flex;align-items:center;gap:11px}.brandmark{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#eef3f9,#8190a3);color:#0b0f14;font-weight:800}.brand strong{display:block}.brand small{display:block;color:var(--muted);font-size:.74rem;margin-top:2px}
.top-actions{display:flex;gap:9px;align-items:center}
.system-pill{height:38px;display:flex;align-items:center;gap:8px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03);font-size:.75rem;color:#b8c2cf}
.dot,.cam-dot{width:8px;height:8px;border-radius:50%;background:var(--bad);box-shadow:0 0 0 4px rgba(255,107,115,.08)}.dot.ok,.cam-dot.ok{background:var(--ok);box-shadow:0 0 0 4px rgba(85,217,141,.08)}
.icon-btn,.profile-btn{height:38px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.035);color:#fff;cursor:pointer}
.icon-btn{width:38px;font-size:1.1rem}.profile-menu{position:relative}.profile-btn{display:flex;align-items:center;gap:8px;padding:0 10px}.avatar{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:#dbe4ef;color:#10141a;font-size:.69rem;font-weight:800}.chev{color:#7f8a98}
.profile-dropdown{position:absolute;right:0;top:46px;width:180px;padding:8px;border-radius:14px}.profile-dropdown button{display:block;width:100%;border:0;background:transparent;color:#dbe3ec;text-align:left;padding:9px 10px;border-radius:9px;cursor:pointer}.profile-dropdown button:hover{background:rgba(255,255,255,.06)}.danger-text{color:#ff8b92!important}

.layout{display:grid;grid-template-columns:230px 1fr;min-height:calc(100vh - 74px)}
.sidebar{margin:14px 0 14px 14px;border-radius:22px;padding:16px 11px;height:calc(100vh - 102px);position:sticky;top:88px}
.sidebar-title{font-size:.62rem;letter-spacing:.14em;color:#637080;padding:8px 10px 9px}.sidebar-title.later{margin-top:12px}
.nav{width:100%;display:flex;align-items:center;gap:10px;border:0;border-radius:12px;background:transparent;color:#95a0ae;padding:10px 11px;margin-bottom:4px;text-align:left;cursor:pointer;transition:.18s}
.nav:hover:not(.disabled),.nav.active{background:rgba(255,255,255,.07);color:#fff}
.nav-icon{width:24px;height:24px;border-radius:8px;display:grid;place-items:center;background:rgba(255,255,255,.05);font-size:.68rem;font-weight:750}.stage-badge{margin-left:auto;font-size:.62rem;border:1px solid var(--line);border-radius:999px;padding:2px 6px}.disabled{opacity:.43;cursor:not-allowed}
.main{padding:24px;min-width:0}.hero{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.hero h1{font-size:1.65rem}.hero p{margin:6px 0 0;color:var(--muted);font-size:.88rem}
.hero-actions{display:flex;background:rgba(255,255,255,.035);padding:4px;border:1px solid var(--line);border-radius:12px}.seg-btn{border:0;border-radius:9px;background:transparent;color:#8f9aa8;padding:7px 10px;cursor:pointer;font-size:.78rem}.seg-btn.active,.seg-btn:hover{background:rgba(255,255,255,.08);color:#fff}

.camera-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.camera-grid.single{grid-template-columns:minmax(0,1fr)}.camera-grid.single .hidden-camera{display:none}
.camera-card{overflow:hidden;border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,rgba(24,31,41,.94),rgba(17,22,30,.94));box-shadow:0 14px 34px rgba(0,0,0,.24);transition:.18s transform,.18s border-color}.camera-card:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.12)}
.camera-head,.camera-foot{display:flex;justify-content:space-between;align-items:center;padding:11px 13px}.camera-title{display:flex;align-items:center;gap:9px}.camera-title strong{display:block;font-size:.9rem}.camera-title small{display:block;color:var(--muted);font-size:.7rem;margin-top:2px}
.cam-status{font-size:.61rem;font-weight:800;letter-spacing:.06em;border-radius:999px;padding:4px 7px;border:1px solid var(--line)}.cam-status.online{color:var(--ok);background:rgba(85,217,141,.07)}.cam-status.offline{color:var(--bad);background:rgba(255,107,115,.06)}
.video-wrap{position:relative;aspect-ratio:4/3;background:#000;overflow:hidden}video{width:100%;height:100%;display:block;object-fit:contain;background:#000}video.cover{object-fit:cover}
.video-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:10px;color:#96a1af;background:radial-gradient(circle at center,rgba(34,42,53,.28),rgba(0,0,0,.62));font-size:.78rem;pointer-events:none}.video-overlay.hidden{display:none}
.signal-ring{width:11px;height:11px;border-radius:50%;border:2px solid #7f8997;border-top-color:transparent;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
.camera-foot{color:var(--muted);font-size:.72rem}.text-btn{border:0;background:transparent;color:#c7d0dc;cursor:pointer;font-size:.72rem}.text-btn:hover{color:#fff}
footer{text-align:center;color:#5f6a78;font-size:.7rem;margin:18px 0 4px}

@media(max-width:960px){.layout{grid-template-columns:1fr}.sidebar{height:auto;position:static;margin:10px;display:flex;overflow-x:auto;border-radius:16px}.sidebar-title{display:none}.nav{width:auto;min-width:max-content;margin:0 4px 0 0}.camera-grid{grid-template-columns:1fr}}
@media(max-width:640px){.topbar{padding:0 12px}.brand small,.system-pill,#profileName,.chev{display:none}.main{padding:14px}.hero{align-items:flex-start;flex-direction:column}.auth-card{padding:26px 22px;border-radius:22px}}


/* ---------- Fase 2.2 Eventos ---------- */
.nav.sub{padding-left:17px;font-size:.82rem}
.nav.sub .nav-icon{width:21px;height:21px;font-size:.62rem}
.camera-actions{display:flex;gap:8px;align-items:center}
.event-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:14px}
.summary-card{padding:15px 16px;border:1px solid var(--line);border-radius:17px;background:linear-gradient(180deg,rgba(24,31,41,.78),rgba(17,22,30,.72));box-shadow:0 10px 28px rgba(0,0,0,.16)}
.summary-card small{display:block;color:var(--muted);font-size:.7rem;margin-bottom:9px}
.summary-card strong{font-size:1.25rem;letter-spacing:-.03em}
.event-toolbar{display:grid;grid-template-columns:1fr 190px 190px;gap:10px;padding:10px;border-radius:16px;margin-bottom:12px;box-shadow:none}
.event-toolbar input,.event-toolbar select,.modal-card textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.045);color:#eef3f8;padding:10px 11px;outline:none}
.event-toolbar select option{background:#121820;color:#fff}
.event-list{display:flex;flex-direction:column;gap:9px}
.event-item{display:grid;grid-template-columns:40px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px 14px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,rgba(23,30,40,.8),rgba(17,22,30,.72));transition:.18s}
.event-item:hover{border-color:rgba(255,255,255,.12);transform:translateY(-1px)}
.event-icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.055);font-weight:800;font-size:.78rem}
.event-icon.online{color:var(--ok);background:rgba(85,217,141,.08)}
.event-icon.offline{color:var(--bad);background:rgba(255,107,115,.08)}
.event-icon.manual{color:#9bc7ff;background:rgba(92,151,223,.1)}
.event-main strong{display:block;font-size:.85rem;margin-bottom:3px}
.event-main p{margin:0;color:#8d99a8;font-size:.75rem;line-height:1.4}
.event-meta{text-align:right}.event-meta strong{display:block;font-size:.72rem;font-weight:600}.event-meta small{display:block;color:#6f7b89;font-size:.68rem;margin-top:3px}
.empty-state{padding:60px 20px;text-align:center;color:#768291}.empty-icon{width:54px;height:54px;margin:0 auto 14px;border:1px solid var(--line);border-radius:17px;display:grid;place-items:center;background:rgba(255,255,255,.035)}.empty-state h3{margin:0 0 7px;color:#bcc6d1}.empty-state p{margin:0;font-size:.8rem}
.danger-soft{color:#ff949b!important}
.modal-backdrop{position:fixed;inset:0;z-index:500;display:grid;place-items:center;padding:20px;background:rgba(0,0,0,.58);backdrop-filter:blur(9px)}
.modal-card{width:min(480px,100%);border-radius:22px;padding:20px}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:16px}.modal-head h2{margin:0;font-size:1.25rem}
.modal-card label{display:block;font-size:.74rem;color:#aab5c2;margin-bottom:7px}.modal-card textarea{resize:vertical;min-height:105px}
.modal-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:14px}.secondary-btn{border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04);color:#cbd4df;padding:10px 13px;cursor:pointer}.primary-btn.compact{width:auto;margin:0;padding:10px 14px}
@media(max-width:900px){.event-summary{grid-template-columns:repeat(2,minmax(0,1fr))}.event-toolbar{grid-template-columns:1fr 1fr}.search-wrap{grid-column:1/-1}}
@media(max-width:560px){.event-summary{grid-template-columns:1fr 1fr}.event-item{grid-template-columns:36px 1fr}.event-meta{grid-column:2;text-align:left;display:flex;gap:8px}.event-toolbar{grid-template-columns:1fr}.search-wrap{grid-column:auto}.camera-actions{gap:2px}.camera-foot{align-items:flex-start;gap:8px;flex-direction:column}}

/* Fase 3.1.3 - IA superpuesta sin reemplazar el video HLS */
.video-wrap{position:relative}
.ai-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:3}
.status-stack{display:flex;align-items:center;gap:7px}
.ai-mini{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:20px;padding:0 6px;border-radius:999px;border:1px solid rgba(87,214,141,.2);background:rgba(87,214,141,.08);color:#57d68d;font-size:.58rem;font-weight:800;letter-spacing:.06em}
.ai-health{color:#57d68d!important}

/* Fase 3.2 - zonas y voz */
.zone-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:16px}
.zone-preview,.zone-controls,.voice-card{border-radius:20px;padding:14px}
.zone-stage{position:relative;background:#000;border-radius:14px;overflow:hidden}
.zone-stage img{display:block;width:100%;height:auto}
.zone-stage canvas{position:absolute;inset:0;width:100%;height:100%;cursor:crosshair}
.zone-legend{display:flex;gap:16px;flex-wrap:wrap;padding:11px 3px 0;color:#8f9baa;font-size:.72rem}
.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.legend-dot.approach{background:#ffd166}.legend-dot.entry{background:#ff7a84}.legend-dot.inside{background:#57d68d}
.zone-controls label{display:block;color:#aab5c2;font-size:.72rem;margin:13px 0 6px}
.zone-controls select{width:100%;border:1px solid var(--line);border-radius:11px;background:#121820;color:#fff;padding:10px}
.zone-help{margin:14px 0;padding:12px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.025)}
.zone-help strong{font-size:.78rem}.zone-help p{margin:5px 0 0;color:var(--muted);font-size:.72rem;line-height:1.45}
.full{width:100%;margin-top:8px}.save-status{min-height:18px;color:var(--ok);font-size:.72rem;margin-top:8px}
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.voice-card{min-height:220px}.voice-icon{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:rgba(255,255,255,.05);margin-bottom:12px}
.voice-card h3{margin:0 0 10px;font-size:.95rem}.voice-card p{color:#b2bdc9;font-size:.76rem;line-height:1.5}
.muted-copy{color:#778493!important;font-size:.7rem!important}.listen-state,.pending-state{padding:10px 11px;border:1px solid var(--line);border-radius:11px;background:rgba(255,255,255,.025);color:#8d99a7;font-size:.73rem;margin:12px 0}.pending-state.active{border-color:rgba(255,209,102,.24);color:#ffd166;background:rgba(255,209,102,.05)}
@media(max-width:980px){.zone-layout,.voice-grid{grid-template-columns:1fr}}


/* PARCHE RENDIMIENTO + IA SELECCIONABLE */
.ai-camera-selector{
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.025);
  border-radius:18px;
  padding:16px;
  margin-bottom:16px;
}
.ai-selector-head strong{display:block;color:#edf3f8;font-size:14px}
.ai-selector-head p{margin:5px 0 12px;color:#8190a0;font-size:12px;line-height:1.45}
.ai-camera-options{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin-bottom:12px;
}
.ai-cam-option{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:8px 10px;
  border:1px solid rgba(255,255,255,.07);
  border-radius:12px;
  background:#111923;
  cursor:pointer;
  user-select:none;
}
.ai-cam-option input{accent-color:#42dca3;width:16px;height:16px}
.ai-cam-option span{color:#cbd5df;font-size:13px}
.zone-separator{
  height:1px;
  background:rgba(255,255,255,.07);
  margin:5px 0 16px;
}
@media(max-width:650px){
  .ai-camera-options{grid-template-columns:1fr}
}