:root {
    --bg-main: #0b1120;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary: #06b6d4; /* Cyan */
    --primary-glow: rgba(6, 182, 212, 0.4);
    --secondary: #8b5cf6; /* Violet */
    --accent: #10b981; /* Emerald */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --row-alt: rgba(255, 255, 255, 0.02);
    --row-hover: rgba(6, 182, 212, 0.08);
    --editable-bg: rgba(255, 255, 255, 0.05);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-main);
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.15), transparent 25%);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

/* Controls Bar */
.controls-bar {
    position: sticky;
    top: 1rem;
    margin: 1rem 2rem 2rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--card-border);
    border-radius: 1rem;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
    z-index: 100;
}

.header-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header-logo i {
    font-size: 1.8rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 8px var(--primary-glow));
}

.header-logo h1 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.025em;
}

.actions {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.6rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), #3b82f6);
    color: white;
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--primary-glow);
    filter: brightness(1.1);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-main);
    border: 1px solid var(--text-muted);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--text-main);
}

/* Report Container */
.report-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem 3rem;
}

.report-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.report-header h2 {
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.report-header p {
    color: var(--primary);
    font-size: 1.125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Locations Grid */
.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 2.5rem;
}

.location-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 1.25rem;
    border: 1px solid var(--card-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.location-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--primary-glow);
    border-color: rgba(6, 182, 212, 0.3);
}

.location-header {
    padding: 1.5rem 1.75rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--card-border);
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, transparent 100%);
}

.location-title-wrap {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.location-icon {
    background: linear-gradient(135deg, var(--secondary), var(--primary));
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: white;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.location-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-main);
}

/* Badge added via JS */
.total-badge {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: var(--accent);
    padding: 0.35rem 0.75rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.2);
}

.table-container {
    padding: 0.5rem;
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 0.25rem;
    text-align: right;
    table-layout: fixed;
}

th, td {
    padding: 0.875rem 0.75rem;
}

th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: normal;
    line-height: 1.3;
    padding-bottom: 0.5rem;
}

td {
    background: var(--row-alt);
    transition: background 0.2s ease;
}

td:first-child {
    border-top-left-radius: 0.5rem;
    border-bottom-left-radius: 0.5rem;
}
td:last-child {
    border-top-right-radius: 0.5rem;
    border-bottom-right-radius: 0.5rem;
}

th:first-child, td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
}

tbody tr:hover td {
    background: var(--row-hover);
}

/* Editable cells */
td[contenteditable="true"] {
    position: relative;
    cursor: text;
    font-weight: 600;
    color: var(--primary);
    background: var(--editable-bg);
}

td[contenteditable="true"]:hover {
    background: rgba(6, 182, 212, 0.15);
}

td[contenteditable="true"]:focus {
    outline: none;
    background: rgba(6, 182, 212, 0.2);
    box-shadow: inset 0 0 0 1px var(--primary);
    border-radius: 0.3rem;
}

/* Interaction column */
td.col-interactions {
    font-weight: 700;
    color: var(--accent);
}

/* Total row styling */
.total-row td {
    background: rgba(255, 255, 255, 0.05);
    font-weight: 800;
    color: white;
    margin-top: 0.5rem;
}
.total-row td:first-child {
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

.hover-red {
    transition: color 0.2s;
}
.hover-red:hover {
    color: #ef4444; /* red-500 */
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--card-border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Print optimizations */
@media print {
    body {
        background: white !important;
        color: black !important;
    }
    .controls-bar {
        display: none !important;
    }
    .report-container {
        padding: 0;
        max-width: 100%;
    }
    .location-card {
        break-inside: avoid;
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        background: white !important;
        margin-bottom: 2rem;
    }
    .location-header {
        background: #f8fafc !important;
        border-bottom: 2px solid #e2e8f0 !important;
        -webkit-print-color-adjust: exact;
        print-color-adjust: exact;
    }
    .location-icon {
        background: #1e293b !important;
        box-shadow: none !important;
    }
    .location-title, th:first-child, td:first-child {
        color: #1e293b !important;
    }
    td {
        background: transparent !important;
        border-bottom: 1px solid #e2e8f0;
    }
    .total-row td {
        background: #f1f5f9 !important;
        color: #0f172a !important;
    }
    td.col-interactions {
        color: #047857 !important;
    }
    td[contenteditable="true"] {
        color: #0369a1 !important;
    }
    .total-badge {
        background: #ecfdf5 !important;
        color: #047857 !important;
        border: 1px solid #a7f3d0 !important;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .locations-grid {
        grid-template-columns: 1fr;
    }
    .controls-bar {
        flex-direction: column;
        gap: 1rem;
        margin: 0 0 1rem 0;
        border-radius: 0;
    }
    .report-container {
        padding: 0 1rem 2rem;
    }
}