/* ===========================
   GLOBAL STYLE – DARK PREMIUM
=========================== */
* {
    font-family: Calibri, sans-serif;
    font-size: 1rem;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    background: #330d0d;
    color: #e8e8e8;
}

/* ===========================
   MAIN DIAGRAM AREA
=========================== */
#myDiagramDiv {
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 0;
    top: 0;
    background: radial-gradient(circle at center, #012cff45, #000000);
    border-top: 3px solid #780707;
}

/* ===========================
   SPLITTER PANEL – GLASS DARK
=========================== */
#splitterPanel {
    position: absolute;
    display: none;
    width: 240px;
    background: rgba(20,20,20,0.7);
    border: 1px solid rgba(200,200,200,0.15);
    padding: 15px;
    border-radius: 12px;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 22px rgba(0,0,0,0.45);
    z-index: 21;
    color: #f1f1f1;
}

#splitterSelect {
    width: 100%;
    padding: 8px;
    border-radius: 8px;
    border: 1px solid #555;
    background: #101010;
    color: #fff;
}

#splitterSelect:hover {
    border-color: #999;
}

#splitterEstimate {
    margin-top: 12px;
    color: #fff;
    font-weight: bold;
}

/* ===========================
   CONTROLS – MODERN SIDE BUTTONS
=========================== */
#controls {
    margin: 10px;
    text-align: center;
    width: 95px;
    position: absolute;
    z-index: 10;
}

#controls button,
#controls select {
    margin-bottom: 4px;
    padding: 3px;
    width: 100%;
    cursor: pointer;
    background: linear-gradient(135deg, #e0010100, #3816de);
    border: 1px solid #6aeb0b69;
    border-radius: 8px;
    color: #f3f1ff;
    transition: 0.25s;
    font-weight: 600;
    letter-spacing: 0.3px;
}

#controls button:hover,
#controls select:hover {
    background: linear-gradient(135deg, #e90d0d, #0f0f0f);
    border-color: #2aff24;
    transform: scale(1.05);
}

/* ===========================
   JSON AREA
=========================== */
#jsonArea {
    width: 95%;
    height: 120px;
    margin: 10px auto;
    display: none;
    background: #271111;
    color: #fff;
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px;
}

/* ===========================
   HEADER – TITLE
=========================== */
.header-container {
    position: relative;
    z-index: 10;
}

h1 {
    font-size: 2.8rem;
    width: 100%;
    text-align: center;
    margin: 0;
    padding: 1px 0;
    color: #f8f8f8;
    text-transform: uppercase;
    letter-spacing: 2px;
    background: linear-gradient(to right, #1a123f, #00000047, #9c157f2b);
    border-bottom: 1px solid #ffcccc;
}

/* ===========================
   LEGEND – MODERN COLOR BLOCKS
=========================== */
.legend {
    float: right;
    z-index: 3;
    margin-right: 15px;
}

.block {
    height: 1.6rem;
    width: 3.5rem;
    border-radius: 6px;
    position: relative;
    border: 1px solid #444;
}

.level {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: #fff;
    font-weight: bold;
}

.label {
    position: absolute;
    right: 3.5rem;
    transform: translateY(1rem);
    font-size: 0.8rem;
    white-space: nowrap;
    color: #ddd;
}

/* ===========================
   EXTRA SETTINGS – GLASS UI
=========================== */
#ExtraSettings {
    position: absolute;
    bottom: 0%;
    left: 0;
    background: linear-gradient(135deg, #e0010100, #3816de);
    padding: 7px;
    border: 1px solid #e8bfbf;
    border-radius: 12px;
    font-size: 0.8rem;
    backdrop-filter: blur(10px);
    z-index: 5;
    color: #eae8e8;
    box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

#ExtraSettings input {
    background: #3216bf;
    border: 1px solid #ffffff;
    border-radius: 6px;
    color: #fff;
    padding: 1px 5px;
    margin-top: px;
}

#ExtraSettings input:focus {
    border-color: #b01717;
}

#cableLength {
    width: 60px;
    text-align: right;
    font-size: 0.8rem;
}

/* ===========================
   OVERVIEW – MINI MAP
=========================== */
#myOverviewDiv {
    position: absolute;
    width: 165px;
    height: 165px;
    bottom: 12px;
    right: 12px;
    background: rgba(20,20,20,0.7);
    border: 1px solid #444;
    border-radius: 10px;
    z-index: 5;
    box-shadow: 0 6px 16px rgba(0,0,0,0.45);
}

@media (max-width: 768px) {
    #myOverviewDiv {
        display: none;
    }
}

/* ===========================
   BLUR OVERLAY
=========================== */
#blurOverlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(7px);
    background: rgba(0,0,0,0.35);
    z-index: 20;
    display: none;
}