:root {
    --bg: #020a12;
    --panel: #071522;
    --panel2: #081a2a;
    --border: #14334d;
    --border-blue: #087cc1;
    --blue: #13a8ff;
    --cyan: #35d2ff;
    --green: #32e47a;
    --orange: #ff9914;
    --text: #f3f8fc;
    --muted: #8fa8ba;
    --danger: #ff5757;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    min-height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(
            circle at 30% 0%,
            #0b2033 0,
            #020a12 42%
        );
    color: var(--text);
}

button,
input,
select {
    font: inherit;
}

.app {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 245px;
    min-width: 245px;
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    background:
        linear-gradient(
            180deg,
            #061321,
            #03101a
        );
    border-right: 1px solid #10283c;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 10px 24px;
}

.brand-logo {
    width: 46px;
    height: 46px;
    border-radius: 12px;
}

.brand-title {
    font-size: 21px;
    font-weight: 700;
}

.brand-subtitle {
    margin-top: 3px;
    color: #c7d5df;
}

.menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu-item {
    width: 100%;
    padding: 14px 15px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 0;
    border-radius: 10px;
    color: #dce8f0;
    background: transparent;
    text-align: left;
    cursor: pointer;
    transition: 0.15s;
}

.menu-item span {
    width: 24px;
    font-size: 21px;
    color: #b8c9d7;
}

.menu-item:hover {
    background: #0a2236;
}

.menu-item.active {
    color: white;
    background:
        linear-gradient(
            135deg,
            #07549c,
            #0b3157
        );
    box-shadow:
        inset 0 0 0 1px #0d70c1;
}

.station-card,
.server-card {
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 13px;
    background:
        linear-gradient(
            180deg,
            #071725,
            #06111b
        );
}

.station-card {
    margin-top: auto;
}

.server-card {
    margin-top: 14px;
}

.small-label {
    font-size: 13px;
    color: var(--muted);
}

.station-model {
    margin-top: 6px;
    color: var(--blue);
    font-size: 20px;
    font-weight: 700;
}

.station-graphic {
    text-align: center;
    font-size: 62px;
    padding: 18px 0;
}

.station-description {
    color: #b2c1cc;
    font-size: 13px;
    margin-top: 5px;
}

.server-title {
    margin: 7px 0 14px;
    color: var(--green);
    font-size: 18px;
    font-weight: 700;
}

.server-row {
    display: flex;
    gap: 9px;
    align-items: center;
    margin-bottom: 8px;
    font-size: 14px;
}

.status-dot {
    display: inline-block;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 10px rgba(50, 228, 122, 0.5);
}

.main {
    flex: 1;
    min-width: 0;
    padding: 22px 24px 0;
}

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

h1 {
    margin: 0 0 7px;
    font-size: 28px;
    letter-spacing: -0.5px;
}

h1 span {
    color: #d7e3ec;
}

.subtitle {
    color: var(--muted);
    font-size: 15px;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(125px, 1fr));
    gap: 8px;
}

.status-card {
    min-width: 140px;
    padding: 10px 13px;
    border: 1px solid #123047;
    border-radius: 10px;
    background: #061421;
}

.status-label {
    margin-bottom: 6px;
    color: #9eb2c0;
    font-size: 12px;
}

.status-good {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--green);
    font-size: 13px;
}

.status-main {
    font-size: 14px;
}

.page {
    display: none;
}

.page.active-page {
    display: block;
}

.page-intro {
    margin-bottom: 16px;
    padding: 13px 16px;
    border: 1px solid #17364d;
    border-radius: 10px;
    background: #061522;
    color: var(--muted);
}

.current-panel {
    padding: 16px 20px 18px;
    border: 1px solid var(--border-blue);
    border-radius: 15px;
    background:
        linear-gradient(
            180deg,
            rgba(7, 25, 40, 0.98),
            rgba(5, 20, 33, 0.98)
        );
    box-shadow:
        0 0 22px rgba(0, 128, 210, 0.08);
}

.panel-title {
    margin-bottom: 18px;
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
}

.metrics {
    display: grid;
    grid-template-columns:
        repeat(9, minmax(105px, 1fr));
}

.metric {
    display: flex;
    gap: 10px;
    padding: 7px 13px;
    border-right: 1px solid #112b3f;
}

.metric:last-child {
    border-right: 0;
}

.metric-icon {
    padding-top: 4px;
    font-size: 27px;
}

.metric-label {
    color: #c8d5de;
    font-size: 12px;
    white-space: nowrap;
}

.metric-value {
    margin-top: 5px;
    font-size: 23px;
    font-weight: 600;
    white-space: nowrap;
}

.metric-value small {
    font-size: 12px;
    font-weight: 400;
}

.direction-value {
    font-size: 18px;
}

.metric-extra {
    margin-top: 12px;
    color: var(--muted);
    font-size: 11px;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 345px;
    gap: 14px;
    margin-top: 16px;
}

.charts-column {
    min-width: 0;
}

.charts-top,
.charts-bottom {
    display: grid;
    grid-template-columns:
        repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.charts-bottom {
    margin-top: 14px;
}

.chart-card,
.forecast-card,
.summary-card,
.info-card,
.live-status-card,
.forecast-analysis,
.ai-info-card,
.sensor-card,
.settings-card {
    border: 1px solid #17354d;
    border-radius: 13px;
    background:
        linear-gradient(
            180deg,
            #071827,
            #06131f
        );
}

.chart-card {
    min-width: 0;
    padding: 15px;
}

.chart-title {
    color: var(--blue);
    font-size: 14px;
    font-weight: 700;
}

.chart-title span {
    color: var(--muted);
    font-weight: 400;
}

.chart {
    height: 215px;
    margin-top: 12px;
}

.large-chart {
    height: 300px;
}

.history-chart {
    height: 270px;
}

.chart svg {
    display: block;
    width: 100%;
    height: 100%;
}

.right-column {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.forecast-card {
    padding: 16px;
    border-color: var(--border-blue);
}

.forecast-title {
    color: var(--blue);
    font-size: 16px;
    font-weight: 700;
}

.forecast-subtitle {
    margin-top: 5px;
    padding-bottom: 12px;
    border-bottom: 1px solid #15354d;
    color: var(--muted);
    font-size: 12px;
}

.forecast-row {
    display: grid;
    grid-template-columns:
        40px 1fr 70px 88px;
    align-items: center;
    gap: 6px;
    padding: 15px 0;
    border-bottom: 1px solid #132e43;
}

.forecast-row:last-child {
    border-bottom: 0;
}

.forecast-icon {
    font-size: 25px;
}

.forecast-period {
    font-size: 14px;
    font-weight: 600;
}

.forecast-temp {
    font-size: 14px;
}

.forecast-detail {
    color: var(--blue);
    font-size: 11px;
    line-height: 1.4;
}

.summary-card {
    padding: 16px;
}

.summary-title {
    margin-bottom: 10px;
    color: var(--blue);
    font-weight: 700;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 6px 0;
    border-bottom: 1px solid #132e43;
    font-size: 12px;
}

.summary-row:last-child {
    border-bottom: 0;
}

.summary-row span {
    color: #bac8d2;
}

.summary-row strong {
    font-weight: 600;
    text-align: right;
}

.wind-rose {
    height: 215px;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    gap: 12px;
}

.compass {
    width: 150px;
    height: 150px;
    position: relative;
    border: 1px solid #315069;
    border-radius: 50%;
    background:
        radial-gradient(
            circle,
            transparent 0 30%,
            #173247 31% 32%,
            transparent 33% 60%,
            #173247 61% 62%,
            transparent 63%
        );
}

.compass::before,
.compass::after {
    content: "";
    position: absolute;
    background: #27445a;
}

.compass::before {
    width: 1px;
    top: 0;
    bottom: 0;
    left: 50%;
}

.compass::after {
    height: 1px;
    left: 0;
    right: 0;
    top: 50%;
}

.north,
.south,
.east,
.west {
    position: absolute;
    z-index: 3;
    font-size: 12px;
}

.north {
    top: -18px;
    left: 50%;
    transform: translateX(-50%);
}

.south {
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
}

.east {
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
}

.west {
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
}

.wind-arrow {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 4;
    color: #1ddbb4;
    font-size: 52px;
    line-height: 1;
    transform-origin: 0 50%;
}

.dominant {
    min-width: 90px;
}

.dominant strong {
    display: block;
    margin: 6px 0;
    font-size: 20px;
}

.dominant-value {
    font-size: 22px;
}

.realtime-grid {
    display: grid;
    grid-template-columns:
        repeat(4, minmax(200px, 1fr));
    gap: 14px;
}

.big-value-card {
    min-height: 180px;
    padding: 20px;
    border: 1px solid #17354d;
    border-radius: 14px;
    background:
        linear-gradient(
            150deg,
            #081b2b,
            #06111d
        );
}

.big-icon {
    font-size: 34px;
}

.big-label {
    margin-top: 12px;
    color: var(--muted);
    font-size: 13px;
}

.big-value {
    margin-top: 12px;
    font-size: 35px;
    font-weight: 700;
}

.big-value small {
    font-size: 15px;
    font-weight: 400;
}

.big-secondary {
    margin-top: 12px;
    color: #9db4c5;
    font-size: 12px;
}

.realtime-bottom {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr) 330px;
    gap: 14px;
    margin-top: 14px;
}

.live-status-card {
    padding: 18px;
}

.live-status-line {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    padding: 13px 0;
    border-bottom: 1px solid #143047;
}

.live-status-line:last-child {
    border-bottom: 0;
}

.good-text {
    color: var(--green);
}

.demo-text {
    color: var(--orange);
}

.history-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.history-summary {
    align-self: start;
}

.forecast-warning {
    margin-bottom: 16px;
    padding: 14px 18px;
    border: 1px solid #6a5316;
    border-radius: 12px;
    background: #211b09;
    color: #ffd670;
    line-height: 1.5;
}

.forecast-page-grid {
    display: grid;
    grid-template-columns:
        minmax(0, 1fr) 380px;
    gap: 14px;
}

.forecast-large .forecast-row {
    padding: 21px 0;
    grid-template-columns:
        50px 1fr 90px 110px;
}

.forecast-large .forecast-icon {
    font-size: 31px;
}

.forecast-large .forecast-period {
    font-size: 17px;
}

.forecast-analysis {
    padding: 18px;
}

.analysis-item {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 15px 0;
    border-bottom: 1px solid #143047;
}

.analysis-item span {
    color: var(--muted);
}

.ai-info-card {
    display: flex;
    gap: 22px;
    margin-top: 14px;
    padding: 24px;
}

.ai-icon {
    font-size: 50px;
}

.ai-info-card h2 {
    margin: 0 0 10px;
    color: var(--blue);
}

.ai-info-card p {
    max-width: 900px;
    color: var(--muted);
    line-height: 1.6;
}

.ai-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.ai-features span {
    padding: 8px 12px;
    border: 1px solid #1c547b;
    border-radius: 20px;
    background: #082038;
    color: #8dd5ff;
    font-size: 12px;
}

.sensor-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.sensor-card {
    padding: 20px;
}

.sensor-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 17px;
    border-bottom: 1px solid #143047;
}

.sensor-icon {
    font-size: 38px;
}

.sensor-header h2 {
    margin: 0;
    font-size: 18px;
}

.sensor-model {
    margin-top: 5px;
    color: var(--muted);
    font-size: 12px;
}

.sensor-online {
    margin-left: auto;
    color: var(--green);
    font-size: 13px;
}

.sensor-data {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin-top: 17px;
}

.sensor-data div {
    padding: 12px;
    border-radius: 9px;
    background: #061421;
}

.sensor-data span {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 11px;
}

.radio-visual {
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 28px;
}

.radio-device {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    font-size: 42px;
}

.radio-device span {
    color: var(--muted);
    font-size: 12px;
}

.radio-wave {
    color: var(--blue);
    font-size: 17px;
}

.settings-grid {
    display: grid;
    grid-template-columns:
        repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.settings-card {
    padding: 22px;
}

.settings-card h2 {
    margin: 0 0 20px;
    color: var(--blue);
    font-size: 18px;
}

.settings-card label {
    display: block;
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 13px;
}

.settings-card input,
.settings-card select {
    width: 100%;
    margin-top: 8px;
    padding: 12px 13px;
    border: 1px solid #1c4564;
    border-radius: 8px;
    outline: none;
    background: #04111c;
    color: white;
}

.settings-card input:focus,
.settings-card select:focus {
    border-color: var(--blue);
}

.save-button {
    padding: 11px 18px;
    border: 0;
    border-radius: 8px;
    background: #0788dc;
    color: white;
    cursor: pointer;
}

.save-button:hover {
    background: #0ca4ff;
}

.save-message {
    height: 20px;
    margin-top: 12px;
    color: var(--green);
    font-size: 12px;
}

.settings-info-line,
.future-setting {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 13px 0;
    border-bottom: 1px solid #143047;
}

.settings-info-line span,
.future-setting span {
    color: var(--muted);
}

.settings-note {
    margin-top: 18px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

footer {
    min-height: 50px;
    margin-top: 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    border-top: 1px solid #10283c;
    color: #829aaa;
    font-size: 11px;
}

.footer-version {
    color: #a6bac7;
}

@media (max-width: 1450px) {

    .metrics {
        grid-template-columns:
            repeat(5, 1fr);
    }

    .metric {
        border-bottom:
            1px solid #112b3f;
    }

    .dashboard-grid {
        grid-template-columns:
            1fr 310px;
    }

    .realtime-grid {
        grid-template-columns:
            repeat(2, 1fr);
    }
}

@media (max-width: 1100px) {

    .sidebar {
        width: 205px;
        min-width: 205px;
    }

    .header {
        flex-direction: column;
    }

    .status-grid {
        width: 100%;
    }

    .dashboard-grid,
    .forecast-page-grid,
    .realtime-bottom {
        grid-template-columns: 1fr;
    }

    .history-grid,
    .sensor-grid,
    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 850px) {

    .app {
        display: block;
    }

    .sidebar {
        width: 100%;
        min-width: 0;
        display: block;
    }

    .menu {
        display: grid;
        grid-template-columns:
            repeat(3, 1fr);
    }

    .station-card,
    .server-card {
        display: none;
    }

    .metrics {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .charts-top,
    .charts-bottom {
        grid-template-columns: 1fr;
    }

    .realtime-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {

    .main {
        padding: 14px 10px 0;
    }

    .menu {
        grid-template-columns:
            repeat(2, 1fr);
    }

    .status-grid {
        grid-template-columns:
            1fr 1fr;
    }

    .metrics {
        grid-template-columns: 1fr;
    }

    footer {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px 0;
    }
}