@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-blue: #38bdf8;
    --accent-green: #34d399;
    --accent-amber: #fbbf24;
    --accent-rose: #ff6b6b; /* थोड़ा ब्राइट रेड किया ताकि डार्क मोड में दिखे */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 2rem;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header Sections */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 1.5rem;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(to right, #ffffff, var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.controls-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

select {
    background: #0f172a;
    color: var(--text-primary);
    border: 1px solid var(--card-border);
    padding: 0.6rem 1.5rem;
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    cursor: pointer;
    transition: all 0.3s;
}

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

/* Play/Pause Button */
.btn-control {
    background: var(--accent-blue);
    color: #0f172a;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-control:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.btn-control.paused {
    background: var(--accent-amber);
}

/* Responsive Grids */
.summary-grid, .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-card, .card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
    transition: transform 0.3s, box-shadow 0.3s;
}

.summary-card:hover, .card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
    border-color: rgba(255, 255, 255, 0.15);
}

.summary-card h4, .card h4 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.75rem;
}

.summary-card h2, .card h2 {
    font-size: 1.8rem;
    font-weight: 700;
}

.grand { border-left: 4px solid var(--accent-blue); }
#liveTotal { color: var(--accent-green); }
#status { color: var(--accent-amber); }

/* स्पेशल गैप कार्ड स्टाइल ताकि डार्क बैकग्राउंड पर साफ़ चमके */
.gap-card {
    border-left: 4px solid var(--accent-rose);
}
#gapQty { 
    color: var(--accent-rose) !important;
    text-shadow: 0 0 10px rgba(255, 107, 107, 0.2);
}

/* Dashboard Bottom Layout */
.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 2.5fr;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

@media (max-width: 1024px) {
    .dashboard-row { grid-template-columns: 1fr; }
}

.remark-box, .chart-box {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    backdrop-filter: blur(12px);
}

.remark-box h3, .chart-box h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

#remark {
    line-height: 1.6;
    color: #cbd5e1;
}

.chart-container {
    position: relative;
    height: 320px;
    width: 100%;
}