/* ============ Tokens de diseño (paleta cálida y alegre) ============ */
:root {
	--clr-primary: #E8603C;          /* terracota coral, cálido y vivo */
	--clr-primary-deep: #B7431F;     /* terracota profundo para degradados */
	--clr-primary-soft: #FDEBE3;     /* durazno muy claro para fondos */
	--clr-amber: #F2A03D;            /* ámbar vivo de acento */
	--clr-amber-soft: #FEF1DF;       /* ámbar muy claro para fondos */
	--clr-teal: #12A594;             /* verde azulado alegre de estado activo */
	--clr-teal-soft: #E1F6F2;        /* verde azulado muy claro de fondo */
	--clr-accent: #2C6E91;           /* azul petróleo para detalles de énfasis */
	--clr-accent-soft: #E7F0F5;      /* azul muy claro para fondos de énfasis */
	--clr-violet: #7C5CD6;           /* violeta alegre para el vivo */
	--clr-violet-soft: #EFEAFC;      /* violeta muy claro de fondo */
	--clr-rose: #D64550;             /* rojo cálido para alarmas */
	--clr-rose-soft: #FCE8EA;        /* rojo muy claro para fondos */
	--clr-background: #FFFFFF;       /* blanco dominante: limpieza */
	--clr-canvas: #FBF7F4;           /* lienzo cálido de las secciones */
	--clr-surface: #FFFFFF;          /* superficie limpia de tarjetas */
	--clr-ink: #33261F;              /* tinta café cálido de texto */
	--clr-ink-soft: #6E5A50;         /* tinta secundaria cálida de texto */
	--clr-ink-faint: #A29086;        /* tinta terciaria muy suave */
	--clr-border: rgba(51, 38, 31, 0.10);
	--clr-border-strong: rgba(51, 38, 31, 0.18);
	--font-display: "Trebuchet MS", "Segoe UI", Tahoma, Verdana, sans-serif;
	--font-body: Verdana, "Segoe UI", Tahoma, sans-serif;
	--font-mono: "Cascadia Mono", Consolas, "Courier New", monospace;
	--shadow-soft: 0 12px 40px rgba(51, 38, 31, 0.10);
	--shadow-card: 0 6px 24px rgba(51, 38, 31, 0.08);
	--shadow-inset: inset 0 1px 0 rgba(255, 255, 255, 0.6);
	--radius-sm: 8px;
	--radius-md: 14px;
	--radius-lg: 22px;
	--radius-pill: 999px;
	--sidebar-width: 244px;
	--topbar-height: 68px;
}

/* ============ Reset básico ============ */
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; }
body {
	font-family: var(--font-body);
	background: var(--clr-canvas);
	color: var(--clr-ink);
	line-height: 1.55;
	-webkit-font-smoothing: antialiased;
}
img, svg, video, canvas { display: block; max-width: 100%; }
[hidden] { display: none !important; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
a { color: var(--clr-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul { list-style: none; }

/* ============ Tipografía ============ */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(23px, 3vw, 30px); }
h2 { font-size: 21px; }
h3 { font-size: 17px; }
h4 { font-size: 14px; }
.text-soft { color: var(--clr-ink-soft); }
.text-faint { color: var(--clr-ink-soft); opacity: 0.75; }
.text-mono { font-family: var(--font-mono); }
.text-tiny { font-size: 12px; }
.text-small { font-size: 13px; }
.text-caps {
	font-size: 11px;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	font-weight: 700;
}

/* ============ Botones ============ */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	border-radius: var(--radius-pill);
	padding: 10px 20px;
	font-size: 14px;
	font-weight: 600;
	transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, color 0.18s ease;
	white-space: nowrap;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none !important; }
.btn:not(:disabled):hover { transform: translateY(-1px); }
.btn-primary {
	background: linear-gradient(180deg, var(--clr-primary) 0%, var(--clr-primary-deep) 100%);
	color: #FFFFFF;
	box-shadow: 0 6px 18px rgba(232, 96, 60, 0.32);
}
.btn-accent {
	background: linear-gradient(180deg, #3E88AF 0%, var(--clr-accent) 100%);
	color: #FFFFFF;
	box-shadow: 0 6px 18px rgba(44, 110, 145, 0.28);
}
.btn-live {
	background: linear-gradient(180deg, #9276E4 0%, var(--clr-violet) 100%);
	color: #FFFFFF;
	box-shadow: 0 6px 18px rgba(124, 92, 214, 0.30);
}
.btn-ghost {
	background: var(--clr-surface);
	color: var(--clr-ink);
	border: 1px solid var(--clr-border-strong);
}
.btn-ghost:hover { border-color: var(--clr-primary); color: var(--clr-primary); }
.btn-danger { background: var(--clr-rose-soft); color: var(--clr-rose); }
.btn-danger:hover { background: var(--clr-rose); color: #FFFFFF; }
.btn-small { padding: 7px 14px; font-size: 13px; }
.btn-icon {
	width: 38px;
	height: 38px;
	padding: 0;
	border-radius: 50%;
	background: var(--clr-surface);
	border: 1px solid var(--clr-border);
	color: var(--clr-ink-soft);
}
.btn-icon:hover { color: var(--clr-primary); border-color: var(--clr-primary); }
.btn svg { width: 17px; height: 17px; flex: none; }

/* ============ Formularios ============ */
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 600; color: var(--clr-ink-soft); }
.field input, .field select {
	border: 1px solid var(--clr-border-strong);
	border-radius: var(--radius-sm);
	padding: 11px 13px;
	background: var(--clr-surface);
	transition: border-color 0.18s ease, box-shadow 0.18s ease;
	font-size: 14px;
	width: 100%;
}
.field input:focus, .field select:focus {
	outline: none;
	border-color: var(--clr-primary);
	box-shadow: 0 0 0 3px rgba(232, 96, 60, 0.14);
}
.field-hint { font-size: 12px; color: var(--clr-ink-soft); opacity: 0.8; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

/* ============ Insignias de estado ============ */
.badge {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	border-radius: var(--radius-pill);
	padding: 4px 12px;
	font-size: 12px;
	font-weight: 700;
}
.badge-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.badge-online { background: var(--clr-teal-soft); color: #0B7A6E; }
.badge-online .badge-dot { background: var(--clr-teal); }
.badge-alarm { background: var(--clr-amber-soft); color: #A9631A; }
.badge-alarm .badge-dot { background: var(--clr-amber); }
.badge-offline { background: rgba(51, 38, 31, 0.06); color: var(--clr-ink-soft); }
.badge-offline .badge-dot { background: #A79A93; }
.badge-live { background: var(--clr-violet-soft); color: #5B3FB0; }
.badge-live .badge-dot { background: var(--clr-violet); animation: pulse-dot 1.4s ease-in-out infinite; }

@keyframes pulse-dot {
	0%, 100% { opacity: 1; transform: scale(1); }
	50% { opacity: 0.35; transform: scale(0.75); }
}

/* ============ Tarjetas y superficies ============ */
.card {
	background: var(--clr-surface);
	border: 1px solid var(--clr-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-card);
}
.card-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 14px;
	padding: 18px 22px;
	border-bottom: 1px solid var(--clr-border);
}
.card-body { padding: 20px 22px; }

/* ============ Estados vacíos y cargando ============ */
.empty-state {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 12px;
	padding: 56px 24px;
	text-align: center;
	color: var(--clr-ink-soft);
}
.empty-state svg { width: 48px; height: 48px; opacity: 0.45; }
.skeleton {
	background: linear-gradient(90deg, rgba(51, 38, 31, 0.06) 25%, rgba(51, 38, 31, 0.11) 37%, rgba(51, 38, 31, 0.06) 63%);
	background-size: 400% 100%;
	animation: shimmer 1.3s ease infinite;
	border-radius: var(--radius-sm);
}

@keyframes shimmer {
	0% { background-position: 100% 50%; }
	100% { background-position: 0 50%; }
}

.spinner {
	width: 18px;
	height: 18px;
	border: 2px solid rgba(255, 255, 255, 0.4);
	border-top-color: #FFFFFF;
	border-radius: 50%;
	animation: spin 0.8s linear infinite;
	flex: none;
}
.spinner-ink { border-color: rgba(51, 38, 31, 0.2); border-top-color: var(--clr-primary); }

@keyframes spin {
	to { transform: rotate(360deg); }
}

/* ============ Animación de aparición ============ */
.fade-in { animation: fade-in 0.35s ease both; }

@keyframes fade-in {
	from { opacity: 0; transform: translateY(10px); }
	to { opacity: 1; transform: translateY(0); }
}