/* --- ESTILOS MAESTROS --- */
:root {
    --bg: #050505; --panel: #141414;
    --accent: #ff9d00; --cyan: #00e5ff; --purple: #d500f9;
    --danger: #ff2a2a; --good: #00ff66; --warn: #ffcc00; --load: #ff5500;
    --text: #e0e0e0;
    --font-tech: 'Courier New', monospace;
    --font-ui: 'Segoe UI', sans-serif;
}
* { box-sizing: border-box; }
body { background: var(--bg); color: var(--text); font-family: var(--font-ui); margin: 0; height: 100vh; display: flex; flex-direction: column; overflow: hidden; user-select: none; }

/* MODALES */
.modal-screen { position: fixed; z-index: 99999; top:0; left:0; width:100%; height:100%; background: rgba(0, 0, 0, 0.95); display: none; flex-direction: column; align-items: center; justify-content: center; }
.box-base { border: 2px solid #555; padding: 40px; text-align: center; background: #0a0a0a; min-width: 400px; box-shadow: 0 0 50px rgba(0,0,0,0.8); border-radius: 8px; }

/* AUTH */
.auth-box { border-color: var(--accent); }

   /* Fondo oscuro del modal */
        #fav-modal {
            display: none; 
            position: fixed; 
            z-index: 10000; /* Por encima de todo */
            left: 0;
            top: 0;
            width: 100%; 
            height: 100%; 
            background-color: rgba(0,0,0,0.9); 
            backdrop-filter: blur(8px);
            align-items: center;
            justify-content: center;
            animation: fadeIn 0.3s;
        }

        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

        /* Contenedor de la tabla */
        .fav-content {
            background-color: #1a1a1a;
            padding: 20px;
            border: 1px solid #444;
            border-radius: 12px;
            width: 95%;
            max-width: 1000px;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            box-shadow: 0 0 40px rgba(0, 255, 255, 0.1);
        }

        /* Botón Cerrar (X) */
        .close-fav {
            position: absolute;
            top: 10px;
            right: 20px;
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
            z-index: 10001;
        }
        .close-fav:hover { color: #fff; }

        /* Estilos Tabla */
        .dark-store-table { width: 100%; border-collapse: separate; border-spacing: 10px; }
        
        .product-card {
            background-color: #222;
            border: 1px solid #333;
            border-radius: 8px;
            padding: 8px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .product-card:hover {
            transform: translateY(-5px);
            border-color: var(--cyan, #0ff);
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
            background-color: #2a2a2a;
        }
        .product-img { width: 100%; border-radius: 5px; display: block; }
        
        /* Botón estilo "Tienda" */
        .btn-shop {
            background: linear-gradient(180deg, #2a2a2a, #1a1a1a);
            color: #ddd;
            border: 1px solid #555;
            padding: 8px 15px;
            cursor: pointer;
            font-family: inherit;
            font-weight: bold;
            text-transform: uppercase;
            font-size: 0.8rem;
            border-radius: 4px;
            transition: 0.2s;
        }
        .btn-shop:hover { border-color: #fff; color: #fff; background: #333; }

/* EXPLOSIÓN Y ALERTAS */
.danger-box { border-color: var(--danger); box-shadow: 0 0 80px var(--danger); animation: pulse-red 0.8s infinite; }
@keyframes pulse-red { 0% { border-color: #f00; box-shadow: 0 0 50px #f00; } 50% { border-color: #800; box-shadow: 0 0 80px #800; } 100% { border-color: #f00; box-shadow: 0 0 50px #f00; } }

.warn-box { border-color: var(--warn); box-shadow: 0 0 50px rgba(255, 204, 0, 0.3); }

/* INPUTS Y BOTONES MODAL */
.input-code { background: #111; border: 1px solid #333; color: var(--accent); padding: 15px; font-size: 1.2rem; text-align: center; width: 100%; margin-top: 20px; outline: none; letter-spacing: 3px; }
.btn-modal { margin-top: 25px; width: 100%; padding: 15px; border: none; font-weight: bold; cursor: pointer; text-transform: uppercase; font-family: var(--font-ui); font-size: 1rem; border-radius: 4px; transition: 0.2s; }
.btn-login { background: var(--accent); color: #000; } .btn-login:hover { background: #ffb733; }
.btn-restart { background: var(--danger); color: white; } .btn-restart:hover { background: #ff5555; }
.btn-ack { background: var(--warn); color: #000; } .btn-ack:hover { background: #ffee55; }

/* LAYOUT */
header { background: var(--panel); border-bottom: 2px solid var(--accent); padding: 5px 20px; height: 60px; display: flex; justify-content: space-between; align-items: center; }
.brand-container { display: flex; flex-direction: column; justify-content: center; }
.brand { font-weight: 900; font-size: 1.4rem; line-height: 1; } .brand span { color: var(--accent); }
.brand-subtitle { font-size: 0.7rem; color: #888; letter-spacing: 1px; text-transform: uppercase; margin-top: 3px; font-family: var(--font-tech); }
.logout-btn { background: #222; border: 1px solid #444; color: #888; padding: 5px 10px; cursor: pointer; font-size: 0.7rem; margin-left: 10px; border-radius: 4px; }
.logout-btn:hover { color: var(--danger); border-color: var(--danger); }

#main-grid { display: grid; grid-template-columns: 240px 1fr 320px; height: calc(100vh - 60px); }
.panel { background: var(--panel); border-right: 1px solid #222; padding: 15px; display: flex; flex-direction: column; gap: 15px; overflow-y: auto; }

/* VIEWPORT */
#viewport { background: #080808; background-image: radial-gradient(#222 1px, transparent 1px); background-size: 40px 40px; position: relative; overflow: auto; display: block; }
#zoom-container { transform-origin: 0 0; transition: transform 0.1s; padding: 50px; display: inline-block; min-width: 100%; min-height: 100%; }

/* BATERÍA */
#battery-pack { display: flex; flex-direction: column; gap: 10px; background: #1a1a1a; padding: 20px; border-radius: 4px; border: 2px solid #444; box-shadow: 0 30px 60px #000; width: fit-content; }
.series-row { display: flex; gap: 5px; padding: 10px 10px 10px 35px; border: 1px dashed #333; border-radius: 4px; position: relative; transition: all 0.2s; background: rgba(255,255,255,0.02); }
.series-label { position: absolute; left: -10px; top: 0; bottom: 0; width: 40px; display: flex; align-items: center; justify-content: center; font-family: var(--font-tech); font-size: 0.75rem; color: #666; font-weight: bold; cursor: pointer; background: #111; border: 1px solid #333; z-index: 10; }
.series-label:hover { border-color: var(--accent); color: var(--accent); }
.series-row.selected { border: 1px solid var(--cyan); background: rgba(0, 217, 255, 0.05); }
.voltage-bar { position: absolute; bottom: 0; left: 0; height: 4px; width: 0%; transition: 0.3s; opacity: 0.8; }

.cell { width: 40px; height: 80px; background: linear-gradient(to bottom, #888 0%, #ccc 40%, #888 100%); border-radius: 3px; position: relative; cursor: pointer; }
.cell::after { content: ''; position: absolute; top: -5px; left: 10px; width: 20px; height: 5px; background: #555; }
.cell.bad { border: 3px solid var(--danger); background: #622; }
.cell.removed { background: #0c0c0c; border: 1px dotted #333; box-shadow: inset 0 0 10px #000; }
.cell.cut { opacity: 0.5; border: 2px dashed #fff; cursor: grab; }
.cell.replaced { border: 2px solid var(--warn); box-shadow: inset 0 0 15px rgba(255, 204, 0, 0.3); }
.cell.replaced::before { content: 'R'; position: absolute; bottom: 3px; right: 3px; font-family: var(--font-tech); font-size: 0.7rem; color: var(--warn); font-weight: bold; z-index: 5; }

/* HERRAMIENTAS */
.tool-btn { background: #1a1a1a; border: 1px solid #333; color: #aaa; padding: 12px; cursor: pointer; text-align: left; display: flex; align-items: center; gap: 10px; }
.tool-btn:hover { border-color: #666; color: #fff; }
.tool-btn.active { border-color: var(--cyan); color: var(--cyan); border-left: 3px solid var(--cyan); background: #1f2a33; }
.btn-balance { border-color: var(--purple); color: #d500f9; }
.btn-balance.running { background: var(--purple); color: #fff; animation: pulse 1s infinite; }

/* INTERFAZ CARGADOR */
.charger-ui { background: #000; padding: 15px; border: 1px solid #333; border-radius: 4px; }
.param-row { display: flex; justify-content: space-between; margin-bottom: 5px; font-size: 0.75rem; color: #888; }
input[type=range] { width: 100%; margin-bottom: 15px; cursor: pointer; }

#btn-main-action { width: 100%; padding: 10px; background: transparent; border: 1px solid var(--accent); color: var(--accent); font-weight: bold; cursor: pointer; margin-top: 10px; transition: 0.3s; }
#btn-main-action:hover { background: var(--accent); color: #000; }
#btn-main-action.charging { background: var(--cyan); color: #000; border-color: var(--cyan); animation: pulse-blue 1s infinite; }
#btn-main-action.discharging { background: var(--load); color: #fff; border-color: var(--load); animation: pulse-orange 1s infinite; }
@keyframes pulse-blue { 0% { opacity: 1; } 50% { opacity: 0.7; } 100% { opacity: 1; } }
@keyframes pulse-orange { 0% { opacity: 1; } 50% { opacity: 0.7; } 100% { opacity: 1; } }

/* SELECTOR MODO */
.mode-switch { display: flex; border: 1px solid #333; border-radius: 4px; margin-bottom: 15px; overflow: hidden; cursor: pointer; background: #080808; }
.mode-opt { flex: 1; text-align: center; padding: 10px 5px; font-size: 0.7rem; font-weight: bold; transition: 0.2s; font-family: var(--font-tech); color: #555; }
.mode-charge { background: #002233; color: var(--cyan); box-shadow: inset 0 0 10px rgba(0,217,255,0.2); }
.mode-discharge { background: #331100; color: var(--load); box-shadow: inset 0 0 10px rgba(255,85,0,0.2); }

/* SWITCH BMS INDUSTRIAL */
.bms-container { margin-bottom: 20px; display: flex; justify-content: space-between; align-items: center; border: 1px solid #333; padding: 10px; background: #080808; border-radius: 4px; cursor: pointer; }
.bms-label { font-size: 0.7rem; color: #888; font-family: var(--font-tech); font-weight: bold; }
.toggle-btn { width: 50px; height: 24px; background: #333; border-radius: 12px; position: relative; transition: 0.3s; }
.toggle-circle { width: 20px; height: 20px; background: #888; border-radius: 50%; position: absolute; top: 2px; left: 2px; transition: 0.3s; box-shadow: 0 2px 5px #000; }

.bms-safe .toggle-btn { background: #004400; border: 1px solid #006600; }
.bms-safe .toggle-circle { left: 26px; background: #00ff66; box-shadow: 0 0 10px #00ff66; }
.bms-status { font-size: 0.7rem; font-weight: bold; font-family: var(--font-tech); color: #00ff66; }

.bms-danger .toggle-btn { background: #440000; border: 1px solid #660000; }
.bms-danger .toggle-circle { left: 2px; background: #ff2a2a; box-shadow: 0 0 10px #ff2a2a; }
.bms-danger .bms-status { color: #ff2a2a; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: 0.5; } }

/* EXTRAS */
#hint-box { background: #111; border-left: 3px solid var(--good); padding: 10px; font-size: 0.8rem; color: #aaa; margin-top: 10px; display: none; animation: fadeIn 0.5s; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
#timer-display { font-family: var(--font-tech); color: var(--accent); border: 1px solid #333; padding: 5px 10px; border-radius: 4px; }