/* ═══════════════════════════════════════════════════════
   Audio Control · Hoja de estilos compartida
   Login + Panel · Tema claro/oscuro · Default oscuro
   ═══════════════════════════════════════════════════════ */

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

/* ─── Tokens: tema oscuro (por defecto) ─── */
:root,
:root[data-theme="dark"]{
  --bg:#0a0a0a;--surface:#141414;--surface-2:#1c1c1c;
  --border:#262626;--border-2:#3a3a3a;
  --text:#f5f5f5;--text-2:#c4c4c4;--text-muted:#8a8a8a;--text-faint:#5c5c5c;
  --accent:#f5f5f5;--accent-hover:#e0e0e0;
  --success:#4ade80;--success-bg:#052e16;
  --danger:#f87171;--danger-bg:#2a0b0b;
  --warning:#facc15;
  --r:10px;--r-sm:8px;--r-lg:14px;
  --t:180ms cubic-bezier(.4,0,.2,1);
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-lg:0 20px 60px rgba(0,0,0,.6);
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,sans-serif;
  --topbar-bg:rgba(10,10,10,.75);
  --overlay-bg:rgba(0,0,0,.7);
  --focus-ring:rgba(245,245,245,.1);
  --active-fg:#0a0a0a;
  --active-bg:#f5f5f5;
  --active-icon-bg:rgba(0,0,0,.1);
  --active-sub:rgba(0,0,0,.55);
  --scroll-thumb:#3a3a3a;
  --select-arrow:%23aaa;
  color-scheme: dark;
}

/* ─── Tokens: tema claro ─── */
:root[data-theme="light"]{
  --bg:#fafafa;--surface:#fff;--surface-2:#f5f5f5;
  --border:#e8e8e8;--border-2:#d4d4d4;
  --text:#0a0a0a;--text-2:#404040;--text-muted:#737373;--text-faint:#a3a3a3;
  --accent:#0a0a0a;--accent-hover:#1f1f1f;
  --success:#15803d;--success-bg:#f0fdf4;
  --danger:#b91c1c;--danger-bg:#fef2f2;
  --warning:#a16207;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow-lg:0 20px 60px rgba(0,0,0,.15);
  --topbar-bg:rgba(250,250,250,.85);
  --overlay-bg:rgba(10,10,10,.5);
  --focus-ring:rgba(10,10,10,.06);
  --active-fg:#fff;
  --active-bg:#0a0a0a;
  --active-icon-bg:rgba(255,255,255,.12);
  --active-sub:rgba(255,255,255,.55);
  --scroll-thumb:#d4d4d4;
  --select-arrow:%23737373;
  color-scheme: light;
}

/* Transición suave solo al cambiar tema (evita flash en carga) */
html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after{
  transition:background-color 300ms ease,border-color 300ms ease,
             color 300ms ease,box-shadow 300ms ease!important;
}

/* ─── Base ─── */
html,body{height:100%}
body{
  background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;
  min-height:100dvh;padding-bottom:env(safe-area-inset-bottom);
}

/* ─── Botón cambio de tema ─── */
.theme-toggle{position:relative;overflow:hidden}
.theme-toggle svg{position:absolute;transition:opacity var(--t),transform var(--t)}
.theme-toggle .icon-moon{opacity:0;transform:rotate(-45deg) scale(.7)}
:root[data-theme="dark"] .theme-toggle .icon-sun{opacity:0;transform:rotate(45deg) scale(.7)}
:root[data-theme="dark"] .theme-toggle .icon-moon{opacity:1;transform:rotate(0) scale(1)}

/* ═══════════════════════════════════════════════════════
   LOGIN
   ═══════════════════════════════════════════════════════ */
body.login-page{
  display:grid;place-items:center;padding:20px;
  padding-bottom:calc(20px + env(safe-area-inset-bottom));
}
.login-shell{width:100%;max-width:380px}
.login-topbar{
  display:flex;justify-content:flex-end;margin-bottom:16px;
}
.login-card{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:36px 30px;box-shadow:var(--shadow-lg);
  animation:cardIn 500ms cubic-bezier(.4,0,.2,1);
}
@keyframes cardIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}
.login-logo{
  width:42px;height:42px;background:var(--text);border-radius:11px;
  margin-bottom:22px;position:relative;flex-shrink:0;
}
.login-logo::after{
  content:'';position:absolute;inset:10px;background:var(--bg);border-radius:4px;
  clip-path:polygon(0 20%,100% 0,100% 100%,0 80%);
}
.login-card h1{font-size:21px;font-weight:700;letter-spacing:-.02em;margin-bottom:5px}
.login-card .sub{color:var(--text-muted);font-size:13px;margin-bottom:26px}
.login-error{
  background:var(--danger-bg);color:var(--danger);padding:11px 14px;
  border-radius:9px;font-size:13px;margin-bottom:16px;border:1px solid var(--danger);
  animation:cardIn 300ms;
}
.login-footer{
  text-align:center;color:var(--text-faint);font-size:11px;margin-top:20px;
  letter-spacing:.06em;text-transform:uppercase;
}

/* ═══════════════════════════════════════════════════════
   COMPONENTES COMPARTIDOS
   ═══════════════════════════════════════════════════════ */

/* Inputs */
.input-group{display:flex;flex-direction:column;gap:8px}
.input-group>label{
  font-size:11px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--text-muted);
}
.input-row{display:flex;gap:8px}
.input{
  flex:1;min-width:0;padding:11px 14px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-sm);
  font-family:inherit;font-size:14px;color:var(--text);outline:none;
  transition:border-color var(--t),box-shadow var(--t);-webkit-appearance:none;
}
.input::placeholder{color:var(--text-faint)}
.input:focus{border-color:var(--text);box-shadow:0 0 0 3px var(--focus-ring)}
select.input{
  appearance:none;-webkit-appearance:none;
  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='%23aaa' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:32px;
}
:root[data-theme="light"] select.input{
  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='%23737373' d='M6 8L2 4h8z'/%3E%3C/svg%3E");
}

/* Range */
.range{
  -webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:2px;
  background:var(--border);outline:none;margin:4px 0 6px;
}
.range::-webkit-slider-thumb{
  -webkit-appearance:none;width:20px;height:20px;border-radius:50%;background:var(--text);
  cursor:pointer;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--border-2);
  transition:transform 120ms;
}
.range::-webkit-slider-thumb:hover{transform:scale(1.15)}
.range::-moz-range-thumb{
  width:20px;height:20px;border-radius:50%;background:var(--text);
  cursor:pointer;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--border-2);
}

/* Botones */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 16px;border-radius:var(--r-sm);border:1px solid transparent;
  font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t),transform 100ms;
  white-space:nowrap;flex-shrink:0;min-height:38px;text-decoration:none;
  line-height:1;user-select:none;color:inherit;
}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn svg{width:14px;height:14px}
.btn-primary{background:var(--text);color:var(--bg);border-color:var(--text)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn-ghost{background:var(--surface);border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2);border-color:var(--border-2)}
.btn-danger{background:var(--surface);border-color:var(--border);color:var(--danger)}
.btn-danger:hover{background:var(--danger-bg);border-color:var(--danger)}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;min-height:32px;font-size:12px}
.btn-icon{width:34px;height:34px;padding:0;min-height:34px}
.btn-row{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}

/* ═══════════════════════════════════════════════════════
   INDEX · TOPBAR
   ═══════════════════════════════════════════════════════ */
.topbar{
  position:sticky;top:0;z-index:20;padding-top:env(safe-area-inset-top);
  background:var(--topbar-bg);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  max-width:1280px;margin:0 auto;padding:12px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{
  width:32px;height:32px;background:var(--text);border-radius:var(--r-sm);
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:'';position:absolute;inset:8px;background:var(--bg);border-radius:4px;
  clip-path:polygon(0 20%,100% 0,100% 100%,0 80%);
}
.brand-text{display:flex;flex-direction:column;min-width:0}
.brand-name{font-weight:700;font-size:15px;letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--text-faint);letter-spacing:.03em;text-transform:uppercase}
.topbar-actions{display:flex;align-items:center;gap:10px}
.status-pill{
  display:flex;align-items:center;gap:8px;padding:6px 12px;
  background:var(--surface);border:1px solid var(--border);border-radius:100px;
  font-size:12px;color:var(--text-2);font-weight:500;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--text-faint);
  transition:background var(--t);flex-shrink:0}
.dot.connected{background:var(--success);box-shadow:0 0 0 3px rgba(74,222,128,.15)}
.dot.connecting{background:var(--warning);animation:pulse 1.4s infinite}
.dot.disconnected{background:var(--danger)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.user-tag{
  font-size:12px;color:var(--text-2);padding:6px 10px;background:var(--surface);
  border:1px solid var(--border);border-radius:100px;font-family:var(--mono);
}

/* ═══════════════════════════════════════════════════════
   INDEX · LAYOUT
   ═══════════════════════════════════════════════════════ */
.container{max-width:1280px;margin:0 auto;padding:24px 20px 40px}
.layout{display:flex;flex-direction:column;gap:20px}
@media(min-width:900px){
  .layout{display:grid;grid-template-columns:320px 1fr;align-items:start;gap:24px}
  .sidebar{position:sticky;top:80px}
}
.content{display:flex;flex-direction:column;gap:20px;min-width:0}

/* Panels */
.panel{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  animation:panelIn 320ms cubic-bezier(.4,0,.2,1) backwards;
}
.content>.panel:nth-child(1){animation-delay:0ms}
.content>.panel:nth-child(2){animation-delay:80ms}
.sidebar>.panel{animation-delay:40ms}
@keyframes panelIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.panel-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-bottom:1px solid var(--border);gap:10px;min-width:0;
}
.panel-header h2{
  font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text);
}
.panel-header .target{
  font-size:12px;color:var(--text-muted);font-weight:500;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.panel-header .target b{color:var(--text);font-weight:600}
.count-pill{
  font-size:11px;font-weight:600;background:var(--surface-2);color:var(--text-2);
  padding:2px 8px;border-radius:100px;border:1px solid var(--border);
  min-width:22px;text-align:center;font-family:var(--mono);
}
.panel-body{padding:18px;display:flex;flex-direction:column;gap:16px}

/* Zones */
.zone-list{padding:8px;display:flex;flex-direction:column;gap:4px}
.zone-item{
  display:flex;align-items:center;gap:12px;padding:12px;border-radius:var(--r-sm);
  background:transparent;border:1px solid transparent;cursor:pointer;
  transition:background var(--t),border-color var(--t),color var(--t),transform var(--t);
  min-width:0;user-select:none;
}
.zone-item:hover{background:var(--surface-2);border-color:var(--border)}
.zone-item:active{transform:scale(.995)}
.zone-item.active{background:var(--active-bg);border-color:var(--active-bg);color:var(--active-fg)}
.zone-icon{
  width:32px;height:32px;border-radius:var(--r-sm);background:var(--surface-2);
  display:grid;place-items:center;flex-shrink:0;transition:background var(--t);
}
.zone-icon svg{width:16px;height:16px;stroke:var(--text-2);transition:stroke var(--t)}
.zone-item.active .zone-icon{background:var(--active-icon-bg)}
.zone-item.active .zone-icon svg{stroke:var(--active-fg)}
.zone-body{flex:1;min-width:0}
.zone-name{font-weight:600;font-size:13.5px;display:flex;align-items:center;gap:6px;min-width:0}
.zone-name-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.zone-addr{
  font-size:11px;color:var(--text-faint);font-family:var(--mono);
  margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.zone-item.active .zone-addr{color:var(--active-sub)}
.zone-edit{
  width:22px;height:22px;display:grid;place-items:center;border-radius:5px;
  opacity:0;transition:opacity var(--t),background var(--t);flex-shrink:0;
}
.zone-item:hover .zone-edit{opacity:.5}
.zone-edit:hover{opacity:1!important;background:var(--surface-2)}
.zone-item.active .zone-edit:hover{background:var(--active-icon-bg)}
.zone-edit svg{width:11px;height:11px}
.zone-check{
  width:20px;height:20px;border-radius:50%;border:1.5px solid var(--border-2);
  flex-shrink:0;display:grid;place-items:center;
  transition:background var(--t),border-color var(--t);
}
.zone-check svg{width:11px;height:11px;opacity:0;transition:opacity var(--t)}
.zone-item.active .zone-check{background:var(--active-bg);border-color:var(--active-bg)}
.zone-item.active .zone-check svg{opacity:1;stroke:var(--active-fg)}

/* Label row (volumen) */
.label-row{display:flex;justify-content:space-between;align-items:baseline}
.label-row .vol-val{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--text)}

/* Tabs */
.tabs{
  display:flex;align-items:center;padding:0 12px;
  border-bottom:1px solid var(--border);gap:2px;overflow-x:auto;scrollbar-width:none;
}
.tabs::-webkit-scrollbar{display:none}
.tab{
  position:relative;background:none;border:none;padding:14px 12px 12px;
  font-family:inherit;font-size:13px;font-weight:500;color:var(--text-muted);
  cursor:pointer;transition:color var(--t);white-space:nowrap;
  display:flex;align-items:center;gap:6px;
}
.tab::after{
  content:'';position:absolute;bottom:-1px;left:12px;right:12px;height:2px;
  background:var(--text);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t);
}
.tab.active{color:var(--text)}
.tab.active::after{transform:scaleX(1)}
.tab:hover:not(.active){color:var(--text-2)}
.tab-count{
  font-size:10px;font-weight:600;background:var(--surface-2);color:var(--text-muted);
  padding:1px 6px;border-radius:100px;font-family:var(--mono);
  min-width:18px;text-align:center;
}
.tab.active .tab-count{background:var(--text);color:var(--bg)}
.tab-pane{display:none}
.tab-pane.active{display:block;animation:paneIn 200ms ease-out}
@keyframes paneIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}
.pane-actions{display:flex;justify-content:flex-end;padding:12px 14px 6px}

/* Listas */
.item-list{
  padding:4px 14px 14px;display:flex;flex-direction:column;gap:6px;
  max-height:420px;overflow-y:auto;
}
.item-list::-webkit-scrollbar{width:6px}
.item-list::-webkit-scrollbar-thumb{background:var(--scroll-thumb);border-radius:3px}
.list-item{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--border);
  transition:border-color var(--t),background var(--t);min-width:0;
  animation:itemIn 200ms ease-out;
}
@keyframes itemIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}
.list-item:hover{border-color:var(--border-2);background:var(--surface-2)}
.item-icon{
  width:28px;height:28px;border-radius:6px;background:var(--surface-2);
  display:grid;place-items:center;flex-shrink:0;transition:background var(--t);
}
.item-icon svg{width:14px;height:14px;stroke:var(--text-2)}
.item-body{flex:1;min-width:0}
.item-label{font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;min-width:0}
.item-label-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.item-param{
  font-size:11.5px;color:var(--text-muted);margin-top:2px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-family:var(--mono);
}
.item-meta{font-size:10.5px;color:var(--text-faint);margin-top:3px;font-family:var(--mono)}
.item-action{
  width:30px;height:30px;border-radius:6px;border:1px solid transparent;background:transparent;
  color:var(--text-muted);cursor:pointer;display:grid;place-items:center;
  transition:background var(--t),border-color var(--t),color var(--t);flex-shrink:0;
}
.item-action:hover{background:var(--surface);border-color:var(--border);color:var(--text)}
.item-action.danger:hover{color:var(--danger);border-color:var(--danger);background:var(--danger-bg)}
.item-action svg{width:13px;height:13px}
.item-edit{
  width:18px;height:18px;border-radius:4px;display:grid;place-items:center;
  cursor:pointer;opacity:0;transition:opacity var(--t),background var(--t);
  color:var(--text-muted);flex-shrink:0;
}
.list-item:hover .item-edit{opacity:.6}
.item-edit:hover{opacity:1!important;background:var(--surface-2)}
.item-edit svg{width:10px;height:10px}
.log-item{
  display:flex;gap:10px;padding:9px 12px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--border);
  border-left:3px solid var(--border-2);font-size:12.5px;
  animation:itemIn 200ms ease-out;min-width:0;
}
.log-item.ok{border-left-color:var(--success)}
.log-item.error{border-left-color:var(--danger)}
.log-item.warn{border-left-color:var(--warning)}
.log-item.info{border-left-color:var(--text)}
.log-item.raw{border-left-color:var(--text-faint)}
.log-time{color:var(--text-faint);font-family:var(--mono);font-size:11px;flex-shrink:0;padding-top:1px}
.log-from{color:var(--text);font-weight:600;font-family:var(--mono);font-size:11px;flex-shrink:0}
.log-body{flex:1;word-break:break-word;overflow-wrap:anywhere;min-width:0;color:var(--text-2)}

.empty{padding:40px 20px;text-align:center;color:var(--text-faint);
  font-size:13px;animation:paneIn 200ms ease-out}

/* Toast */
#toasts{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:calc(20px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column-reverse;gap:8px;z-index:100;
  width:calc(100% - 32px);max-width:380px;pointer-events:none;
}
.toast{
  padding:12px 16px;border-radius:var(--r-sm);background:var(--text);color:var(--bg);
  font-size:13px;font-weight:500;animation:toastIn 300ms cubic-bezier(.4,0,.2,1);
  box-shadow:var(--shadow-lg);pointer-events:auto;
}
.toast.ok{background:var(--success);color:#052e16}
.toast.err{background:var(--danger);color:#2a0b0b}
@keyframes toastIn{
  from{opacity:0;transform:translateY(16px) scale(.95)}
  to{opacity:1;transform:translateY(0) scale(1)}
}

/* Modales */
.overlay{
  position:fixed;inset:0;background:var(--overlay-bg);
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
  z-index:50;display:none;align-items:flex-end;justify-content:center;
  padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom));
}
.overlay.open{display:flex;animation:fadeIn 200ms ease-out}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@media(min-width:600px){.overlay{align-items:center}}
.sheet{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;width:100%;max-width:400px;
  animation:sheetIn 300ms cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-lg);
}
@keyframes sheetIn{
  from{opacity:0;transform:translateY(20px) scale(.98)}
  to{opacity:1;transform:translateY(0) scale(1)}
}
.sheet h3{font-size:16px;font-weight:700;margin-bottom:6px;letter-spacing:-.01em}
.sheet p{color:var(--text-muted);font-size:13px;margin-bottom:20px}
.sheet .input-group{margin-bottom:14px}
.sheet .input-group:last-of-type{margin-bottom:20px}
.sheet-btns{display:flex;gap:8px}
.sheet-btns .btn{flex:1}

/* Responsive */
@media(max-width:600px){
  .container{padding:16px 12px 32px}
  .topbar-inner{padding:10px 14px}
  .brand-sub{display:none}
  .user-tag{display:none}
  .btn-row{grid-template-columns:1fr}
  .input-row{flex-direction:column}
  .input-row .btn{width:100%}
}