:root {
  --bg-root:      #080a0d;
  --bg-surface:   #0f1318;
  --bg-input:     #0c0e12;
  --bg-hover:     rgba(255, 255, 255, 0.025);
  --border:       rgba(255, 255, 255, 0.06);
  --border-mid:   rgba(255, 255, 255, 0.10);
  --border-focus: #e8b84b;
  --text-primary:   #d4e8f0;
  --text-secondary: #4a6a7a;
  --text-muted:     #3a4250;
  --text-white:     #ffffff;
  --gold:        #e8b84b;
  --gold-hover:  #f0c96a;
  --gold-glow:   rgba(232, 184, 75, 0.08);
  --gold-border: rgba(232, 184, 75, 0.25);
  --green:       #4ade80;
  --green-bg:    rgba(74, 222, 128, 0.10);
  --warn:        #f0a500;
  --warn-bg:     rgba(240, 165, 0, 0.10);
  --danger:      #e05252;
  --danger-bg:   rgba(224, 82, 82, 0.10);
  --danger-border: rgba(224, 82, 82, 0.25);
  --wa-green:    #25d366;
  --wa-bg:       rgba(37, 211, 102, 0.10);
  --wa-border:   rgba(37, 211, 102, 0.20);
  --sidebar-w:   220px;
  --topbar-h:    56px;
  --radius-sm:   4px;
  --radius-md:   6px;
  --radius-lg:   8px;
  --radius-xl:   10px;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --t: 0.18s ease;
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background: var(--bg-root);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.view        { display: none; height: 100vh; }
.view.active { display: flex; }
.hidden      { display: none !important; }

.field-hint {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 5px;
}

.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}


/* ── VISTA LOGIN ── */

#view-login {
  min-height: 100vh;
  align-items: flex-start;
  justify-content: center;
  background: var(--bg-root);
  background-image: radial-gradient(
    ellipse 60% 50% at 50% 40%,
    rgba(232, 184, 75, 0.055) 0%,
    transparent 65%
  );
  overflow-y: auto;
}

.login-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  width: 100%;
  max-width: 440px;
  padding: 40px 20px;
  margin: 0 auto;
}

.login-brand { text-align: center; }

.back-link {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  display: block;
  margin-bottom: 14px;
  transition: color var(--t);
}
.back-link:hover { color: var(--text-primary); }

.login-logo {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--text-white);
}
.login-logo span { color: var(--gold); }

.login-brand > p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 4px;
}


/* ── TABS AUTH ── */

.auth-tabs {
  display: flex;
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4px;
  gap: 4px;
}

.auth-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  padding: 10px;
  color: var(--text-secondary);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), color var(--t);
}
.auth-tab:hover         { color: var(--text-primary); }
.auth-tab.active        { background: var(--gold); color: #000; }
.auth-tab:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }


/* ── TARJETA LOGIN / REGISTRO ── */

.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
}

.login-field { margin-bottom: 14px; }

.login-field label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.login-field input,
.login-select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
  appearance: none;
}
.login-field input:focus,
.login-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.10);
}
.login-field input::placeholder { color: var(--text-muted); }

.login-select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234a6a7a' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.login-select option {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.login-error {
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 13px;
  color: var(--danger);
  margin-bottom: 14px;
}

.btn-login {
  width: 100%;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), transform var(--t);
}
.btn-login:hover         { background: var(--gold-hover); }
.btn-login:active        { transform: scale(0.985); }
.btn-login:disabled      { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn-login:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.login-help {
  font-size: 12px;
  color: var(--text-secondary);
  text-align: center;
  margin-top: 14px;
}
.login-help a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--t);
}
.login-help a:hover { color: var(--gold-hover); }

.login-card .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}


/* ── DEMO BANNER Y BADGE ── */

.demo-banner {
  background: rgba(232, 184, 75, 0.06);
  border-bottom: 1px solid var(--gold-border);
  padding: 10px 28px;
  font-size: 13px;
  color: var(--gold);
  display: flex;
  align-items: center;
  gap: 12px;
}
.demo-banner a {
  color: var(--gold);
  font-weight: 700;
  text-decoration: none;
  margin-left: auto;
  white-space: nowrap;
}
.demo-banner a:hover { text-decoration: underline; }

.demo-badge {
  background: var(--gold-glow);
  border: 1px solid var(--gold-border);
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}


/* ── LAYOUT PRINCIPAL ── */

#view-admin,
#view-client {
  flex-direction: row;
  overflow: hidden;
}


/* ── SIDEBAR ── */

.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  background: var(--bg-root);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}

.sb-header {
  padding: 22px 20px 18px;
  border-bottom: 1px solid var(--border);
}

.sb-logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--text-white);
}
.sb-logo span { color: var(--gold); }

.sb-role {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-top: 4px;
}

.sb-nav {
  flex: 1;
  padding: 10px 0;
  overflow-y: auto;
}

.sb-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  border-left: 2px solid transparent;
  transition: color var(--t), background var(--t), border-color var(--t);
  text-decoration: none;
  user-select: none;
  outline: none;
}
.sb-item:hover         { color: var(--text-primary); background: var(--bg-hover); }
.sb-item:focus-visible { outline: 1px solid var(--gold); outline-offset: -2px; }
.sb-item.active {
  color: var(--gold);
  background: var(--gold-glow);
  border-left-color: var(--gold);
}

.sb-icon { font-size: 13px; opacity: 0.5; }

.sb-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  line-height: 1.4;
  min-width: 18px;
  text-align: center;
}

.sb-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

.sb-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.sb-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: rgba(232, 184, 75, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--gold);
  flex-shrink: 0;
}

.sb-name  { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.sb-email { font-size: 11px; color: var(--text-muted); }

.sb-logout {
  width: 100%;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 12px;
  cursor: pointer;
  transition: border-color var(--t), color var(--t);
}
.sb-logout:hover        { border-color: var(--danger-border); color: var(--danger); }
.sb-logout:focus-visible { outline: 2px solid var(--danger); outline-offset: 2px; }


/* ── TOPBAR ── */

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.topbar {
  padding: 0 28px;
  height: var(--topbar-h);
  min-height: var(--topbar-h);
  background: var(--bg-root);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-shrink: 0;
}

.topbar-title,
#topbar-title,
#client-topbar-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 0;
  line-height: 1;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.search-input {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  width: 200px;
  transition: border-color var(--t), box-shadow var(--t);
}
.search-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.10);
}
.search-input.full { width: 100%; }

.btn-add {
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), transform var(--t);
  white-space: nowrap;
}
.btn-add:hover         { background: var(--gold-hover); }
.btn-add:active        { transform: scale(0.985); }
.btn-add:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.btn-wa {
  background: var(--wa-bg);
  color: var(--wa-green);
  border: 1px solid var(--wa-border);
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background var(--t);
  white-space: nowrap;
}
.btn-wa:hover { background: rgba(37, 211, 102, 0.18); }


/* ── PÁGINAS ── */

.page {
  overflow-y: auto;
  padding: 24px 28px;
  height: calc(100vh - var(--topbar-h));
}


/* ── MÉTRICAS ── */

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
.metrics-grid.three { grid-template-columns: repeat(3, 1fr); }

.devices-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.metric-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: border-color var(--t);
}
.metric-card:hover { border-color: var(--border-mid); }

.metric-val {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--text-white);
  line-height: 1;
}
.metric-val.accent { color: var(--gold);   font-size: 28px; }
.metric-val.warn   { color: var(--warn);   }
.metric-val.green  { color: var(--green);  font-size: 20px; }
.metric-val.danger { color: var(--danger); }

.metric-lbl {
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 6px;
}


/* ── PANEL Y TABLAS ── */

.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
}

.panel-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.panel-header h2,
.panel-header h3 { font-size: 15px; font-weight: 600; margin: 0; }

.panel-header button {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: color var(--t);
  font-family: var(--font-body);
  padding: 0;
}
.panel-header button:hover        { color: var(--gold); }
.panel-header button:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 2px; }

.data-table { width: 100%; border-collapse: collapse; }

.data-table th {
  padding: 10px 20px;
  font-size: 10px;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-align: left;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 13px 20px;
  font-size: 13px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}
.data-table tr:last-child td    { border-bottom: none; }
.data-table tbody tr:hover td   { background: var(--bg-hover); }
.data-table small {
  font-size: 11px;
  color: var(--text-secondary);
  display: block;
  margin-top: 2px;
}

.btn-action {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
  border-radius: 3px;
  padding: 5px 12px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t);
  font-family: var(--font-body);
}
.btn-action:hover        { background: rgba(224, 82, 82, 0.20); }
.btn-action:focus-visible { outline: 2px solid var(--danger); outline-offset: 2px; }


/* ── BADGES Y FILTROS ── */

.badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 20px;
  white-space: nowrap;
}
.badge.green  { background: var(--green-bg);  color: var(--green);  }
.badge.warn   { background: var(--warn-bg);   color: var(--warn);   }
.badge.danger { background: var(--danger-bg); color: var(--danger); }
.badge.small  { font-size: 10px; padding: 2px 7px; }

.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 6px 16px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t);
  font-family: var(--font-body);
}
.filter-btn:hover         { color: var(--text-primary); }
.filter-btn.active        { background: var(--gold-glow); border-color: var(--gold-border); color: var(--gold); }
.filter-btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }


/* ── DISPOSITIVOS ADMIN ── */

.search-device-wrap { margin-bottom: 16px; }

.device-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 16px 20px;
}

.device-card {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  transition: border-color var(--t);
}
.device-card:hover { border-color: var(--border-mid); }

.dev-icon { font-size: 22px; margin-bottom: 8px; }
.dev-name { font-size: 13px; font-weight: 600; margin-bottom: 4px; }
.dev-id   { font-size: 10px; color: var(--text-muted); font-family: monospace; margin-bottom: 8px; word-break: break-all; }


/* ── ALERTAS ── */

.alert-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  transition: background var(--t);
}
.alert-item:last-child { border-bottom: none; }
.alert-item:hover      { background: var(--bg-hover); }

.alert-icon { font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.alert-msg  { font-size: 13px; font-weight: 500; }
.alert-meta { font-size: 11px; color: var(--text-secondary); margin-top: 3px; }

.empty-state {
  padding: 40px;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}

.expiry-bar {
  background: var(--warn-bg);
  border: 1px solid rgba(240, 165, 0, 0.20);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: 13px;
  color: var(--warn);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.expiry-bar a {
  color: var(--warn);
  font-weight: 600;
  text-decoration: none;
  margin-left: auto;
}
.expiry-bar a:hover { text-decoration: underline; }


/* ── DISPOSITIVOS CLIENTE ── */

.devices-client-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 4px;
}

.client-device-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  cursor: pointer;
  transition: border-color var(--t), transform var(--t), box-shadow var(--t);
}
.client-device-card:hover {
  border-color: var(--gold-border);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}
.client-device-card:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.cdev-icon   { font-size: 26px; margin-bottom: 12px; }
.cdev-name   { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.cdev-id     { font-size: 10px; color: var(--text-muted); font-family: monospace; margin-bottom: 10px; word-break: break-all; }
.cdev-action { font-size: 12px; color: var(--gold); margin-top: 12px; font-weight: 600; }


/* ── CÁMARA ── */

.camera-wrap { max-width: 820px; }

.camera-feed {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--bg-root);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.camera-placeholder { text-align: center; color: var(--text-muted); }
.cam-icon           { font-size: 44px; margin-bottom: 12px; opacity: 0.2; }
.camera-placeholder p    { font-size: 14px; margin-bottom: 6px; }
.camera-placeholder span { font-size: 12px; }

.cam-live-badge {
  position: absolute;
  top: 12px;
  left: 14px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(0, 0, 0, 0.55);
  padding: 4px 10px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.65);
  user-select: none;
}

.camera-controls { display: flex; gap: 10px; }

.btn-cam-action {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 9px 20px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: border-color var(--t), background var(--t);
  font-family: var(--font-body);
}
.btn-cam-action:hover        { border-color: rgba(255, 255, 255, 0.22); background: var(--bg-hover); }
.btn-cam-action:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }


/* ── SIRENA ── */

.siren-panel {
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.siren-status {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
  transition: border-color var(--t);
}

.siren-icon  { font-size: 54px; margin-bottom: 12px; }
.siren-label {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.siren-sub  { font-size: 13px; color: var(--text-secondary); }

.btn-siren {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), border-color var(--t), transform var(--t);
  width: 100%;
}
.btn-siren:hover  { background: rgba(224, 82, 82, 0.20); }
.btn-siren:active { transform: scale(0.985); }
.btn-siren.active,
.btn-siren[aria-pressed="true"] {
  background: rgba(224, 82, 82, 0.22);
  border-color: var(--danger);
  animation: pulse-red 1.6s ease-in-out infinite;
}
.btn-siren:focus-visible { outline: 2px solid var(--danger); outline-offset: 2px; }

.siren-info { font-size: 12px; color: var(--text-muted); text-align: center; }

.emergency-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  text-align: center;
}
.emergency-box h2 { font-size: 14px; font-weight: 600; margin-bottom: 12px; }

.btn-emergency {
  display: inline-block;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color var(--t), background var(--t);
}
.btn-emergency:hover        { border-color: rgba(255, 255, 255, 0.25); background: var(--bg-hover); }
.btn-emergency:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }


/* ── MODO SUEÑO ── */

.sleep-panel {
  max-width: 480px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.sleep-toggle-row {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.sleep-title { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.sleep-desc  { font-size: 13px; color: var(--text-secondary); }

.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
  flex-shrink: 0;
  cursor: pointer;
}
.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--text-muted);
  border-radius: 26px;
  transition: background var(--t);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  left: 4px;
  top: 4px;
  background: #fff;
  border-radius: 50%;
  transition: transform var(--t);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35);
}
.toggle-switch input:checked + .toggle-slider         { background: var(--gold); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(24px); }
.toggle-switch input:focus-visible + .toggle-slider   { outline: 2px solid var(--gold); outline-offset: 2px; }

.sleep-schedule {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.sleep-field label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sleep-field input[type="time"] {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 16px;
  outline: none;
  font-family: var(--font-body);
  transition: border-color var(--t), box-shadow var(--t);
  color-scheme: dark;
}
.sleep-field input[type="time"]:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.10);
}

.btn-save-sleep {
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 12px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--t), transform var(--t);
}
.btn-save-sleep:hover         { background: var(--gold-hover); }
.btn-save-sleep:active        { transform: scale(0.985); }
.btn-save-sleep:disabled      { opacity: 0.5; cursor: not-allowed; }
.btn-save-sleep:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }


/* ── MODAL ── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: fade-in 0.15s ease;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: slide-up 0.2s ease;
}

.modal-header {
  padding: 22px 28px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h2 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 18px;
  cursor: pointer;
  transition: color var(--t);
  line-height: 1;
  padding: 4px;
  border-radius: var(--radius-sm);
}
.modal-close:hover        { color: var(--text-primary); }
.modal-close:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.modal-body { padding: 20px 28px 28px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field { margin-bottom: 14px; }

.form-field label {
  display: block;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 7px;
}

.form-field input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 13px;
  outline: none;
  transition: border-color var(--t), box-shadow var(--t);
}
.form-field input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(232, 184, 75, 0.10);
}
.form-field input::placeholder { color: var(--text-muted); }

.form-divider {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 0 12px;
  border-top: 1px solid var(--border);
  margin-top: 2px;
}

.btn-submit {
  width: 100%;
  background: var(--gold);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  padding: 13px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  margin-top: 6px;
  transition: background var(--t), transform var(--t);
}
.btn-submit:hover         { background: var(--gold-hover); }
.btn-submit:active        { transform: scale(0.985); }
.btn-submit:disabled      { opacity: 0.5; cursor: not-allowed; }
.btn-submit:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }


/* ── TOAST ── */

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  background: #1e2530;
  border: 1px solid var(--border-mid);
  border-radius: var(--radius-lg);
  padding: 12px 20px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.toast.hidden { opacity: 0; }


/* ── ANIMACIONES ── */

.rec-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--danger);
  display: inline-block;
  animation: blink-red 1.2s ease infinite;
  flex-shrink: 0;
}

@keyframes blink-red {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.15; }
}

@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 0 0 rgba(224, 82, 82, 0); }
  50%       { box-shadow: 0 0 0 8px rgba(224, 82, 82, 0.12); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}


/* ── RESPONSIVE ── */

@media (max-width: 1024px) {
  .metrics-grid        { grid-template-columns: repeat(2, 1fr); }
  .devices-client-grid { grid-template-columns: repeat(2, 1fr); }
  .device-cards-row    { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .page    { padding: 16px; }
  .topbar  { padding: 0 16px; }
  .topbar-actions .search-input { display: none; }
  .metrics-grid        { grid-template-columns: 1fr 1fr; }
  .metrics-grid.three  { grid-template-columns: 1fr 1fr; }
  .devices-client-grid { grid-template-columns: 1fr; }
  .device-cards-row    { grid-template-columns: 1fr; }
  .sleep-schedule      { grid-template-columns: 1fr; }
  .form-row            { grid-template-columns: 1fr; }
  .login-card .form-row { grid-template-columns: 1fr; }
  .siren-panel, .sleep-panel, .camera-wrap { max-width: 100%; }
  .modal { border-radius: var(--radius-lg); }
  .login-wrap { padding: 24px 16px; }
}