/* Astronomy Visibility Design System - NightGlass */
:root {
    --bg-color: #050505 !important;
    --surface: #12121A !important;
    --surfaceStrong: #1C1D2C !important;
    --overlay: #262739 !important;
    --textMain: #F3F7FF !important;
    --textMuted: #9AA6BC !important;
    --border: #263248 !important;
    --accentGold: #F5C85B !important;
    --accentCyan: #4BD9FF !important;
    --accentPurple: #9B6CFF !important;
    --danger: #FF5C73 !important;

    /* Typography */
    --fontBody: 'IBM Plex Sans', sans-serif !important;
    --fontMono: 'IBM Plex Mono', monospace !important;
}

* {
    box-sizing: border-box;
}

html, body {
    background-color: var(--bg-color) !important;
    color: var(--textMain) !important;
    font-family: var(--fontBody) !important;
    margin: 0;
    padding: 0;
    height: 100%;
}

.container {
    max-width: 950px;
    margin: 0 auto;
    padding: 2rem;
}

/* Layout & Surfaces */
.card-astronomy {
    background-color: var(--surface) !important;
    border: 1px solid var(--border) !important;
    border-radius: 14px;
    padding: 1.5rem;
    box-shadow: none !important;
}

/* Observer Panel - Grouped Inputs */
.observer-panel {
    background-color: var(--surfaceStrong) !important;
    border: 1px solid var(--border) !important;
    border-radius: 14px;
    padding: 2rem;
    margin-bottom: 2rem;
}

/* Typography Highlights */
.text-mono {
    font-family: var(--fontMono) !important;
    color: var(--accentCyan) !important;
    font-weight: 600;
    font-size: 15px;
}

.text-gold {
    color: var(--accentGold) !important;
    font-weight: 700;
}

h1 {
    font-family: var(--fontBody) !important;
    font-weight: 700;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--textMain) !important;
}

/* Buttons & Controls */
.btn-primary-astronomy {
    background-color: var(--accentGold) !important;
    color: #000 !important;
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: bold;
    transition: opacity 0.2s ease;
}

.btn-primary-astronomy:hover {
    opacity: 0.9;
    color: #000 !important;
}

/* Navigation Pill Segmented Control */
.nav-pill-segmented {
    display: inline-flex;
    background-color: var(--surfaceStrong) !important;
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--border) !important;
}

.nav-pill-item {
    padding: 8px 24px;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    color: var(--textMuted) !important;
    transition: all 0.2s ease;
}

.nav-pill-item.active {
    background-color: var(--accentGold) !important;
    color: #000 !important;
    font-weight: bold;
}

/* Input Styling */
.form-control, .form-select {
    background-color: var(--surfaceStrong) !important;
    border: 1px solid var(--border) !important;
    color: var(--textMain) !important;
    padding: 0.6rem;
}

.form-control:focus, .form-select:focus {
    background-color: var(--overlay) !important;
    border-color: var(--accentCyan) !important;
    box-shadow: none !important;
    color: var(--textMain) !important;
}

/* Table Styling */
.table-astronomy {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
    color: var(--textMain) !important;
    margin-top: 1rem;
}

.table-astronomy thead th {
    color: var(--textMuted) !important;
    padding: 12px;
    border-bottom: 1px solid var(--border) !important;
    background-color: transparent !important;
}

.table-astronomy tbody tr {
    background-color: var(--surface) !important;
    transition: transform 0.1s ease;
    border-radius: 8px;
    color: var(--textMain) !important;
}

.table-astronomy tbody tr:hover {
    transform: scale(1.002);
    border-color: var(--accentCyan) !important;
}

.table-astronomy td {
    padding: 14px;
    vertical-align: middle;
    color: var(--textMain) !important;
    border: none !important;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .table-responsive {
        padding: 0 5px;
    }
    
    .table-astronomy {
        font-size: 11px;
    }

    .table-astronomy td {
        padding: 2px !important;
    }

    .table-astronomy td img {
        margin-right: 2px;
        margin-left: 2px;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }