:root {
    --bg: #07131b;
    --panel: #0d1f2a;
    --panel2: #102936;
    --text: #ffffff;
    --muted: #8fa8b5;
    --gold: #f5a800;
    --green: #72a942;
    --cyan: #59e6ef;
    --border: rgba(255,255,255,.10);
}

html,
body {
    margin: 0 !important;
    min-height: 100% !important;
    background:
        radial-gradient(circle at top, #173748 0%, #07131b 45%, #041016 100%) !important;
    color: var(--text) !important;
    color-scheme: dark !important;
}

body {
    min-height: 100vh !important;
    font-family: Arial, Helvetica, sans-serif !important;
    text-align: center !important;
    padding: 0 15px 30px !important;
    box-sizing: border-box !important;
}

/* Branding header */

.stability-brand {
    padding-top: 28px;
    text-align: center;
}

.stability-brand img {
    width: 145px;
    max-width: 50vw;
    height: auto;
}

.stability-brand h1 {
    margin: 14px 0 4px !important;
    color: #ffffff !important;
    font-size: clamp(28px, 4vw, 42px) !important;
    font-weight: 700 !important;
}

.stability-subtitle {
    margin: 0 auto 16px;
    color: var(--cyan);
    font-size: 15px;
}

.network-badge-stability {
    display: inline-block;
    margin: 8px auto 14px;
    padding: 8px 18px;
    border: 1px solid rgba(245,168,0,.45);
    border-radius: 30px;
    background: rgba(245,168,0,.06);
    color: #ffc341;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .8px;
}

/* Back button */

nav {
    margin: 6px auto 18px !important;
}

nav a {
    display: inline-block !important;
    padding: 9px 20px !important;
    border: 1px solid #f5a800 !important;
    border-radius: 30px !important;
    background: rgba(245,168,0,.05) !important;
    color: #f5a800 !important;
    text-decoration: none !important;
    font-size: 12px !important;
    font-weight: 700 !important;
    letter-spacing: .8px !important;
    transition: .2s ease !important;
}

nav a:hover {
    background: #f5a800 !important;
    color: #07131b !important;
}

/* Main controls card */

#controls {
    width: min(900px, 95%);
    margin: 15px auto !important;
    padding: 18px 20px;
    background: rgba(13,31,42,.85);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-sizing: border-box;
}

#durationSelect,
#targetSelect,
#server {
    appearance: auto;
    min-height: 42px;
    padding: 8px 12px !important;
    margin: 5px !important;
    border: 1px solid rgba(255,255,255,.16) !important;
    border-radius: 9px !important;
    background: #102936 !important;
    color: #ffffff !important;
    font-size: 14px !important;
}

/* Start */

#startBtn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;

    width: 120px !important;
    height: 42px !important;
    margin: 5px !important;

    line-height: normal !important;
    border: 1px solid #f5a800 !important;
    border-radius: 24px !important;

    background: rgba(245,168,0,.08) !important;
    color: #f5a800 !important;

    font-weight: 700 !important;
    letter-spacing: .8px !important;

    box-shadow: none !important;
}

#startBtn:hover {
    background: #f5a800 !important;
    color: #07131b !important;
}

#startBtn.disabled {
    border-color: #596872 !important;
    color: #788994 !important;
    background: rgba(255,255,255,.02) !important;
}

#startBtn.running {
    border-color: #e95c5c !important;
    background: #b33c3c !important;
    color: #ffffff !important;
}

/* Reset */

#resetBtn {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;

    width: 100px !important;
    height: 42px !important;
    margin: 5px !important;

    line-height: normal !important;
    border: 1px solid #607480 !important;
    border-radius: 24px !important;

    background: transparent !important;
    color: #a8bbc4 !important;

    font-size: 14px !important;
}

#resetBtn:hover {
    border-color: #ffffff !important;
    color: #ffffff !important;
}

/* Server */

#serverArea {
    margin: 12px auto !important;
    color: #a8bbc4 !important;
}

/* Rating */

#rating {
    margin: 14px auto !important;
    font-size: 18px !important;
    min-height: 24px;
}

/* Statistics */

#test {
    width: min(1000px, 96%);
    margin: 18px auto !important;
    padding: 22px 10px;
    box-sizing: border-box;

    border: 1px solid var(--border);
    border-radius: 18px;
    background: rgba(13,31,42,.78);
}

div.testGroup {
    display: flex !important;
    justify-content: center !important;
    align-items: stretch !important;
    flex-wrap: wrap !important;
    gap: 8px !important;
}

div.testArea2 {
    width: 145px !important;
    min-height: 105px !important;
    height: auto !important;

    padding: 15px 8px !important;
    margin: 4px !important;

    background: rgba(16,41,54,.75);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 12px;

    box-sizing: border-box !important;
}

div.testArea2 div.testName {
    color: #a8bbc4 !important;
    font-size: 13px !important;
    text-transform: uppercase;
    letter-spacing: .7px;
}

div.testArea2 div.meterText {
    margin-top: 8px !important;
    font-size: 29px !important;
    color: #f5a800 !important;
}

div.testArea2 div.unit {
    color: #a8bbc4 !important;
    font-size: 12px !important;
}

/* Chart */

#chartContainer {
    width: min(1100px, 95%) !important;
    max-width: none !important;
    margin: 22px auto !important;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(13,31,42,.78);
    box-sizing: border-box;
}

#pingChart {
    width: 100% !important;
    height: 300px !important;
    background: #091820 !important;
    border: none !important;
    border-radius: 10px !important;
}

/* Optional controls */

#optionalControls {
    width: min(700px, 95%) !important;
    max-width: none !important;
    margin: 18px auto !important;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(13,31,42,.72);
    box-sizing: border-box;
}

#optionalControls label {
    color: #a8bbc4 !important;
}

#downloadCsvBtn {
    padding: 9px 18px !important;
    border: 1px solid #f5a800 !important;
    border-radius: 24px !important;
    background: transparent !important;
    color: #f5a800 !important;
    font-weight: 700 !important;
}

#downloadCsvBtn:hover {
    background: #f5a800 !important;
    color: #07131b !important;
}

/* Footer */

.footer {
    margin: 28px 0 10px !important;
    color: #718792;
    font-size: 12px;
}

.nisaat-footer {
    color: #8fa8b5;
}

@media (max-width: 700px) {

    .stability-brand img {
        width: 125px;
    }

    .stability-brand h1 {
        font-size: 28px !important;
    }

    #controls {
        padding: 14px 8px;
    }

    #durationSelect,
    #targetSelect {
        width: calc(50% - 14px);
        margin: 4px !important;
    }

    #startBtn,
    #resetBtn {
        margin-top: 10px !important;
    }

    div.testArea2 {
        width: calc(50% - 12px) !important;
        min-width: 130px !important;
    }

    #pingChart {
        height: 220px !important;
    }
}