/* Main container styling */
* {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --primary-red: #b71c1c;
    /* Deeper, more professional Red */
    --light-red: #ffebee;
    --hover-red: #ffcdd2;
    --dark-red: #b71c1c;
    --atlas-teal: #00ffff;
    --atlas-dark: #00141e;
    --atlas-gold: #ffc107;
    --text-color: #333333;
    --border-color: #e0e0e0;
}

.main {
    background-color: #ffffff;
    padding: 2rem 5rem;
}

@media (max-width: 1200px) {
    .main {
        padding: 1rem 2rem;
    }
}

/* Main Header */
.main-header {
    font-size: 1.5rem;
    color: var(--primary-red);
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* Section Headers */
.section-header {
    font-size: 1.8rem;
    color: var(--primary-red);
    margin-top: 1rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 3px solid var(--primary-red);
    padding-bottom: 0.5rem;
}

/* Info Boxes with Material Design Shadow */
.info-box {
    background: linear-gradient(135deg, var(--light-red) 0%, #fffde7 100%);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid var(--primary-red);
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.1);
    transition: all 0.3s ease;
}

.info-box:hover {
    box-shadow: 0 4px 16px rgba(211, 47, 47, 0.2);
    transform: translateY(-2px);
}

/* Success Boxes */
.success-box {
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    padding: 1.5rem;
    border-radius: 8px;
    margin: 1rem 0;
    border-left: 4px solid #2e7d32;
    box-shadow: 0 2px 8px rgba(46, 125, 50, 0.1);
}

/* Card Styling for Material Design */
.material-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.material-card:hover {
    box-shadow: 0 8px 24px rgba(211, 47, 47, 0.1);
    transform: translateY(-4px);
}

/* Button Styling */
.stButton>button {
    border-radius: 8px;
    padding: 0.6rem 1.8rem;
    font-weight: 600;
    background: white;
    color: var(--primary-red);
    border: 1px solid var(--primary-red);
    transition: all 0.2s ease;
}

.stButton>button:hover {
    background-color: var(--light-red);
    border-color: var(--primary-red);
    color: var(--primary-red);
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.2);
}

/* Tab Styling */
.stTabs [data-baseweb="tab-list"] {
    gap: 15px;
    border-bottom: 2px solid var(--border-color);
}

.stTabs [data-baseweb="tab"] {
    border-radius: 8px 8px 0 0;
    padding: 12px 24px;
    font-weight: 600;
    background-color: transparent;
    border: none;
    color: #666;
}

.stTabs [data-baseweb="tab"][aria-selected="true"] {
    color: var(--primary-red);
    border-bottom: 3px solid var(--primary-red);
}

/* Sidebar Styling */
section[data-testid="stSidebar"] {
    background-color: #ffffff;
    border-right: 1px solid var(--border-color);
}

/* Sidebar Navigation Icon Colors - Exhaustive Targeting */
section[data-testid="stSidebar"] [data-testid="stSidebarNav"] svg,
section[data-testid="stSidebar"] [data-testid="stSidebarNav"] svg path,
section[data-testid="stSidebar"] [data-testid="stSidebarNav"] [data-testid="stIconMaterial"],
section[data-testid="stSidebar"] [data-testid="stSidebarNav"] span[data-testid="stIconMaterial"],
[data-testid="stSidebarNavItems"] span:first-of-type svg {
    color: var(--primary-red) !important;
    fill: var(--primary-red) !important;
}

/* Visualization Container */
.viz-container {
    background: white;
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    margin: 1.5rem 0;
    border: 1px solid #f0f4f8;
}

/* Fix flickering on HuggingFace Spaces with stable selector */
/* @media (min-width: calc(736px + 8rem)) {
    section[data-testid="stMain"] {
        padding-left: 5rem !important;
        padding-right: 5rem !important;
    }
} */

/* Constrain wide layout to 85% for visualization pages */
/* div[data-testid="stMainBlockContainer"] {
    max-width: 75% !important;
    margin: 0 auto !important;
} */

/* =========================================
   ATLAS HEADER SYSTEM
   ========================================= */

.atlas-main-header {
    background: transparent;
    position: relative;
    padding: 1rem 0 3rem 0;
    margin-bottom: 1rem;
    overflow: hidden;
    border-bottom: 1px solid #f0f0f0;
}

.network-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0.04;
    z-index: 1;
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 10;
    max-width: 98vw;
    margin: 0 auto;
}

.branding-bar {
    text-align: center;
    margin-bottom: 1rem;
    padding: 0.5rem 1rem;
    background: transparent;
    display: inline-block;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.brand-title {
    font-size: 4.2rem;
    font-weight: 800;
    color: var(--primary-red);
    margin: 0.5rem;
    text-shadow: 0 4px 10px rgba(211, 47, 47, 0.1);
}

.brand-logo-ascii {
    font-family: 'Courier New', Courier, monospace !important;
    font-size: 0.85rem;
    line-height: 1.1;
    color: var(--primary-red);
    background: transparent !important;
    border: none !important;
    padding: 0 !important;
    margin: 0 auto !important;
    text-align: center;
    white-space: pre;
    display: inline-block;
    font-weight: 900;
}

@media (max-width: 1400px) {
    .brand-logo-ascii {
        font-size: 0.65rem;
    }
}

.atlas-stage {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10rem;
    padding: 0 1rem;
}

.species-stage-box {
    position: relative;
    width: 580px;
    height: 600px;
    display: flex;
    justify-content: center;
    align-items: center;
    zoom: 0.9;
}

@media (max-width: 1400px) {
    .species-stage-box {
        zoom: 0.75;
        width: 500px;
        height: 550px;
    }

    .atlas-stage {
        gap: 4rem;
    }
}

.center-figure-group {
    position: relative;
    z-index: 5;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.icon-background {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 440px;
    height: 440px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.15;
    z-index: -1;
}

.main-silhouette {
    max-height: 280px;
    max-width: 100%;
    object-fit: contain;
    filter: contrast(1.2) brightness(1.2) drop-shadow(0 0 15px rgba(211, 47, 47, 0.4));
    image-rendering: -webkit-optimize-contrast;
    margin-bottom: 1rem;
    transition: all 0.4s ease;
    pointer-events: auto;
}

.main-silhouette:hover {
    transform: scale(1.08);
    filter: contrast(1.2) brightness(1.4) drop-shadow(0 0 25px rgba(211, 47, 47, 0.7));
}

.circular-container {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    z-index: 20;
}

.circular-bubble {
    position: absolute;
    width: 120px;
    pointer-events: auto;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Glass Style Organ Cards */
.bubble-content {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(25px) saturate(180%);
    -webkit-backdrop-filter: blur(25px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 0.6rem 0.8rem;
    border-radius: 12px;
    border-left: 5px solid #b71c1c;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

.bubble-org-name {
    font-size: 0.72rem;
    font-weight: 800;
    color: #111;
    letter-spacing: 0.4px;
    margin-bottom: 6px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    border-bottom: 1px solid rgba(183, 28, 28, 0.2);
    padding-bottom: 4px;
}

.bubble-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px;
}

.row-label {
    font-size: 0.85rem;
    color: #444;
    font-weight: 600;
}

.row-val {
    font-size: 0.85rem;
    font-weight: 900;
    color: var(--primary-red);
}

.circular-bubble:hover .bubble-content {
    background: rgba(255, 255, 255, 0.75);
    transform: translateY(-5px);
    border-color: rgba(211, 47, 47, 0.5);
    box-shadow: 0 15px 45px rgba(211, 47, 47, 0.15);
}

.stage-badge {
    background: var(--primary-red);
    color: white;
    padding: 0.8rem 3rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.15rem;
    box-shadow: 0 10px 30px rgba(211, 47, 47, 0.3);
    text-align: center;
    pointer-events: auto;
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.spots-tag {
    font-size: 0.85rem;
    opacity: 0.95;
    display: block;
    font-weight: 400;
    margin-top: 4px;
    letter-spacing: 0.5px;
}