/* --- Global Theme & Base Styling --- */
:root {
    --bg-dark: #060b1a;
    --accent-blue: #00d4ff;
    --bg-glass: rgba(255, 255, 255, 0.05);
    --border-glass: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
}

body.शरीरम् {
    margin: 0;
    padding: 0;
    background-color: var(--bg-dark);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* --- Navigation Header --- */
#शीर्षपट्टिका {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50px;
    z-index: 1000;
    background: rgba(6, 11, 26, 0.95);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 20px;
    box-sizing: border-box;
}

#चिह्नपात्रम् a {
    display: flex;
    align-items: center;
}

#चिह्नम् {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: contain;
    transition: all 0.3s ease;
}

#चिह्नम्:hover {
    transform: scale(3);
    transform-origin: top left;
}

#मार्गसञ्चारकडी {
    display: flex;
    list-style: none;
    gap: 30px;
    margin: 0;
    padding: 0;
}

#मार्गसञ्चारकडी a {
    color: #cbd5e1;
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}

#मार्गसञ्चारकडी a:hover {
    color: yellow;
    transform: translateY(-2px) scale(1.05);
    display: inline-block;
}

/* --- Pane Layout --- */
.मुख्यपात्रम् {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 50px);
    margin-top: 50px;
    width: 100%;
}

.खण्डसमूहः {
    display: flex;
    flex: 1;
    overflow: hidden;
    width: 100%;
}

.वामभागः {
    width: 100px; /* Default size */
    min-width: 25px;
    max-width: 30vw;
    background: var(--bg-glass);
    backdrop-filter: blur(12px);
    border-right: 1px solid var(--border-glass);
    box-sizing: border-box;
    overflow-y: auto;
    flex-shrink: 0;
}

.विभाजकः {
    width: 5px;
    cursor: ew-resize;
    background: var(--border-glass);
    transition: background 0.3s;
    flex-shrink: 0;
}

.विभाजकः:hover, .विभाजकः.sajje {
    background: var(--accent-blue);
}

.दक्षिणभागः {
    flex-grow: 1;
    min-width: 0;
    position: relative;
    overflow-x: auto;
    overflow-y: auto;
}

/* --- Toolbar (Upakarana Pattika) --- */
.उपकरणपट्टिका {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 15px;
    background: rgba(10, 15, 30, 0.95);
    border-bottom: 1px solid var(--border-glass);
    flex-shrink: 0;
}

.विस्तारसमूहः {
    display: flex;
    gap: 4px;
}

.उपकरणकीलः {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.उपकरणकीलः:hover {
    background: var(--accent-blue);
    color: #060b1a;
    border-color: var(--accent-blue);
}

.समयमापकः {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid #334155;
    color: var(--text-primary);
    padding: 4px 6px;
    border-radius: 4px;
    width: 50px;
    text-align: center;
    font-size: 0.85rem;
    font-family: 'Courier New', Courier, monospace;
    outline: none;
}

.समयमापकः:focus {
    border-color: var(--accent-blue);
}

.समयैकम् {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid #334155;
    color: var(--text-primary);
    padding: 4px 2px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-family: 'Courier New', Courier, monospace;
    outline: none;
}

.समयैकम्:focus {
    border-color: var(--accent-blue);
}

/* --- Dialog Box (Prashna Petika) --- */
.आवरणम् {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.प्रश्नपेटिका {
    background: var(--bg-dark);
    border: 1px solid var(--border-glass);
    border-radius: 8px;
    padding: 20px 30px;
    width: 350px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.प्रश्नपेटिका h3 {
    margin: 0 0 10px 0;
    color: var(--accent-blue);
    font-size: 1.2rem;
    text-align: center;
}

.प्रश्नपङ्क्तिः {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.प्रश्नपङ्क्तिः label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.सङ्केतनिवेशः {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid #334155;
    color: var(--text-primary);
    padding: 8px;
    border-radius: 4px;
    font-size: 0.9rem;
    outline: none;
    font-family: inherit;
}

.सङ्केतनिवेशः:focus {
    border-color: var(--accent-blue);
}

.प्रश्ननिर्णयः {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 10px;
}

/* --- Signal Display in Left Pane --- */
.सङ्केतनामप्रदर्शनम् {
    padding: 10px;
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-family: 'Courier New', Courier, monospace;
    font-weight: bold;
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    height: 40px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    cursor: grab;
}

.सङ्केतनामप्रदर्शनम्:active {
    cursor: grabbing;
}

/* --- Headers and Timeline --- */
.शीर्षपट्टिका {
    height: 30px;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    padding: 0 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: bold;
    background: var(--bg-dark);
    position: sticky;
    top: 0;
    z-index: 10;
}

.कालरेखा {
    height: 30px;
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg-dark);
    overflow: hidden;
}

.कालचिह्नम् {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: 'Courier New', Courier, monospace;
}

.कालबिन्दुः {
    position: absolute;
    bottom: 0;
    width: 1px;
    height: 6px;
    background: var(--text-secondary);
}

.अन्तिमक्षेत्रम् {
    position: absolute;
    top: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.04);
    pointer-events: none;
    z-index: 0;
}

/* --- Waveforms --- */
.तरङ्गपङ्क्तिः {
    height: 40px;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    position: relative;
    box-sizing: border-box;
    width: 100%;
}

.तरङ्गचित्रम् {
    position: absolute;
    left: 0;
    top: 0;
}

.तरङ्गपथः {
    cursor: pointer;
    transition: stroke-width 0.1s;
}
.तरङ्गपथः:hover {
    stroke-width: 4px;
}
.तरङ्गएक्स {
    fill: rgba(255, 0, 0, 0.4);
    stroke: red;
    stroke-width: 1;
    cursor: pointer;
}
.तरङ्गबस {
    fill: transparent;
    stroke: var(--accent-blue);
    stroke-width: 1.5;
    cursor: pointer;
}
.तरङ्गपाठः {
    fill: var(--text-primary);
    font-family: 'Courier New', Courier, monospace;
    font-size: 12px;
    user-select: none;
    pointer-events: none;
    text-anchor: middle;
    dominant-baseline: middle;
}

.सङ्केतकर्षितः {
    opacity: 0.5;
    background: rgba(255, 255, 255, 0.1);
}