@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');


:root {
    --background: #080f1c;
    --surface: #101b2d;
    --surface-light: #17253a;
    --text: #f4f7fb;
    --muted: #91a0b5;
    --green: #39d69b;
    --gold: #e9bd67;
    --border: rgba(255,255,255,0.08);
}


{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}


body {
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: var(--text);
}


.sidebar {
    position: fixed;
    width: 255px;
    height: 100vh;
    background: #0d1727;
    border-right: 1px solid var(--border);
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    z-index: 10;
}


.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 55px;
}


.brand-icon {
    font-size: 36px;
    color: var(--gold);
}


.brand h2 {
    font-size: 20px;
    letter-spacing: 1px;
}


.brand p {
    font-size: 10px;
    color: var(--green);
    letter-spacing: 3px;
    margin-top: 4px;
}


nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}


nav a {
    text-decoration: none;
    color: var(--muted);
    padding: 14px;
    border-radius: 10px;
    transition: 0.2s;
    font-size: 14px;
}


nav a:hover,
nav a.active {
    color: white;
    background: rgba(57,214,155,0.12);
}


.sidebar-footer {
    margin-top: auto;
    color: var(--muted);
    font-size: 12px;
    padding: 15px 5px;
}


.status-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    margin-right: 7px;
    box-shadow: 0 0 10px var(--green);
}


main {
    margin-left: 255px;
    padding: 40px 5%;
    max-width: 1600px;
}


header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 35px;
}


h1 {
    font-size: 29px;
    margin: 8px 0;
}


.subtitle {
    color: var(--muted);
    font-size: 14px;
}


.eyebrow {
    color: var(--green);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 2px;
}


.system-status,
.tag {
    padding: 10px 15px;
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--muted);
    font-size: 12px;
    white-space: nowrap;
}


.hero {
    min-height: 330px;
    border: 1px solid rgba(233,189,103,0.2);
    border-radius: 20px;
    padding: 55px;
    background:
        radial-gradient(circle at 85% 40%, rgba(57,214,155,0.15), transparent 30%),
        linear-gradient(120deg, #13283a, #101a2c 70%);
    position: relative;
    overflow: hidden;
}


.hero-content {
    max-width: 650px;
    position: relative;
    z-index: 2;
}


.hero h2 {
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.2;
    margin: 18px 0;
}


.hero p {
    color: #b2c0d1;
    line-height: 1.8;
    max-width: 550px;
    margin-bottom: 25px;
}


.hero-decoration {
    position: absolute;
    right: 8%;
    top: 10%;
    font-size: 190px;
    color: rgba(233,189,103,0.12);
}


.primary-button,
.secondary-button {
    display: inline-block;
    text-decoration: none;
    padding: 13px 20px;
    border-radius: 9px;
    font-size: 13px;
    font-weight: 700;
    transition: 0.2s;
}


.primary-button {
    color: #06140f;
    background: var(--green);
}


.primary-button:hover {
    background: #70edbd;
    transform: translateY(-2px);
}


.secondary-button {
    color: var(--gold);
    border: 1px solid rgba(233,189,103,0.4);
}


.secondary-button:hover {
    background: rgba(233,189,103,0.1);
}


.section {
    margin-top: 55px;
    scroll-margin-top: 30px;
}


.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 22px;
}


.section-heading h2,
.feature-card h2 {
    font-size: 23px;
    margin-top: 8px;
}


.cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}


.metric-card,
.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 24px;
}


.metric-card {
    display: flex;
    flex-direction: column;
    gap: 13px;
}


.metric-card span {
    color: var(--muted);
    font-size: 13px;
}


.metric-card strong {
    font-size: 27px;
    color: var(--green);
}


.metric-card small {
    color: var(--muted);
    font-size: 11px;
}


.feature-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 25px;
}


.feature-card p:not(.eyebrow) {
    color: var(--muted);
    font-size: 13px;
    margin-top: 12px;
    line-height: 1.7;
}


footer {
    margin-top: 65px;
    padding: 25px 0;
    border-top: 1px solid var(--border);
    color: var(--muted);
    text-align: center;
    font-size: 10px;
    letter-spacing: 2px;
}


@media (max-width: 1000px) {
    .cards {
        grid-template-columns: repeat(2, 1fr);
    }
}


@media (max-width: 700px) {
    .sidebar {
        position: relative;
        width: 100%;
        height: auto;
        padding: 18px;
    }


    .brand {
        margin-bottom: 18px;
    }


    nav {
        flex-direction: row;
        overflow-x: auto;
    }


    nav a {
        white-space: nowrap;
        padding: 10px;
    }


    .sidebar-footer {
        display: none;
    }


    main {
        margin-left: 0;
        padding: 25px 18px;
    }


    header,
    .feature-card {
        align-items: flex-start;
        flex-direction: column;
    }


    .hero {
        padding: 30px 22px;
    }


    .hero-decoration {
        font-size: 100px;
        right: 2%;
    }


    .cards {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }


    .metric-card {
        padding: 16px;
    }
}


/* ==================================
   CONTROLES DE GEMELOS DIGITALES
================================== */


.control-panel {
    max-width: 850px;
    margin: 30px auto;
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 22px;
}


.control-panel label {
    color: #ffffff;
    font-weight: 600;
}


.control-panel select {
    width: 100%;
    padding: 14px;
    border-radius: 10px;
    border: 1px solid #34445b;
    background: #101c30;
    color: #ffffff;
    font-size: 15px;
}


.control-group {
    padding: 22px;
    border: 1px solid #293b50;
    border-radius: 14px;
    background: rgba(16, 28, 48, 0.65);
}


.control-group h2 {
    color: #ffffff;
    font-size: 19px;
    margin-bottom: 18px;
}


.control-buttons {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}


.control-panel button {
    cursor: pointer;
    border: none;
    border-radius: 9px;
    padding: 13px 22px;
    font-weight: 600;
    transition: 0.2s;
}


.control-panel button:hover {
    transform: translateY(-2px);
    filter: brightness(1.12);
}


.control-panel .primary-button {
    background: #16a36a;
    color: white;
}


.control-panel .secondary-button {
    background: #34445b;
    color: white;
}


.brightness-value {
    font-size: 32px;
    font-weight: 700;
    color: #e6bd58;
    margin-bottom: 12px;
}


#brillo {
    width: 100%;
    accent-color: #16a36a;
    cursor: pointer;
    margin-bottom: 20px;
}


#mensaje-control {
    color: #e6bd58;
    padding: 12px;
    border-radius: 8px;
    background: rgba(230, 189, 88, 0.08);
    overflow-wrap: anywhere;
}


@media (max-width: 600px) {
    .control-panel {
        padding: 18px;
    }


    .control-group {
        padding: 16px;
    }


    .control-buttons {
        flex-direction: column;
    }
}


/* ===== PANEL DE GRAFICAS ===== */


.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
    margin-top: 25px;
}


.chart-card {
    position: relative;
    min-width: 0;
    min-height: 350px;
    padding: 22px;
    background: #172438;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
}


.chart-card h2 {
    color: #ffffff;
    font-size: 17px;
    margin-bottom: 20px;
}


.chart-card canvas {
    width: 100% !important;
    height: 270px !important;
}


#estado-graficas,
#total-registros {
    color: #36d399;
    margin-top: 15px;
    font-size: 14px;
}


@media (max-width: 850px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}