/* Base Styles & Overrides */
:root {
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --shade-color: rgba(168, 85, 247, 0.6); /* Purple-500 base with opacity */
    --shade-hover: rgba(168, 85, 247, 0.4);
    --shade-active: rgba(168, 85, 247, 0.8);
    --region-stroke: rgba(255, 255, 255, 0.8);
}

body {
    background: radial-gradient(circle at center, #1e1b4b 0%, #0f172a 100%);
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.glass-card {
    background: rgba(0, 0, 0, 0.2);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.glass-btn {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    cursor: pointer;
}

.glass-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.glass-btn.active {
    background: rgba(59, 130, 246, 0.3); /* Blue-500 base */
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.2);
}

/* SVG Region Interactions */
.venn-region {
    fill: rgba(0, 0, 0, 0.3); /* Dark transparent base */
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

/* Hover State */
.venn-region:hover {
    fill: var(--shade-hover);
}

/* Selected/Shaded State */
.venn-region.shaded {
    fill: var(--shade-active);
    filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.5));
}

.venn-region.shaded:hover {
    fill: rgba(192, 132, 252, 0.9); /* Lighter on hover when shaded */
}

/* ======================================================== */
/* INVERTED SHADING MODE (For specific complement operations) */
/* ======================================================== */
.inverted-shading .venn-region {
    fill: var(--shade-active); /* Bright purple base */
    filter: drop-shadow(0 0 10px rgba(168, 85, 247, 0.5));
}

.inverted-shading .venn-region:hover {
    fill: rgba(192, 132, 252, 0.9);
}

.inverted-shading .venn-region.shaded {
    fill: rgba(0, 0, 0, 0.6); /* Dark shaded color */
    filter: none;
}

.inverted-shading .venn-region.shaded:hover {
    fill: rgba(0, 0, 0, 0.4);
}

/* Venn Labels */
.venn-label {
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 20px;
    fill: white;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
    pointer-events: none; /* Ignore clicks on text to let path handle them */
    user-select: none;
    text-anchor: middle;
}

/* Feedback Animations */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.animate-shake {
    animation: shake 0.4s ease-in-out;
}

@keyframes popIn {
    0% { transform: scale(0.8) translateY(20px); opacity: 0; }
    50% { transform: scale(1.1) translateY(0); }
    100% { transform: scale(1) translateY(0); opacity: 1; }
}

.feedback-show {
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

.feedback-success {
    background: rgba(34, 197, 94, 0.2);
    border: 2px solid rgba(34, 197, 94, 0.5);
    color: #86efac;
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.2);
}

.feedback-error {
    background: rgba(239, 68, 68, 0.2);
    border: 2px solid rgba(239, 68, 68, 0.5);
    color: #fca5a5;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.2);
}

/* SVG Context (Universe frame) */
.venn-universe {
    fill: none;
    stroke: rgba(255,255,255,0.2);
    stroke-width: 4;
    rx: 20px;
    ry: 20px;
}

/* Perfect Circle Overlays */
.venn-circle-frame {
    fill: none;
    stroke: var(--region-stroke);
    stroke-width: 3;
    pointer-events: none;
}

/* ==================== TABS & NEW SECTIONS ==================== */

/* Tab Switching Fade */
.fade-in {
    animation: fadeIn 0.4s ease-in-out forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Agent Card Styles */
.agent-card {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 0 10px rgba(0,0,0,0.5);
    transition: transform 0.2s, box-shadow 0.2s;
}
.agent-card:hover {
    transform: translateY(-5px);
    box-shadow: inset 0 0 10px rgba(255,255,255,0.05), 0 5px 15px rgba(0,0,0,0.4);
}

.trait-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.70rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.trait-stealth {
    background: rgba(168, 85, 247, 0.2);
    color: #d8b4fe;
    border: 1px solid rgba(168, 85, 247, 0.4);
}
.trait-hacking {
    background: rgba(56, 189, 248, 0.2);
    color: #7dd3fc;
    border: 1px solid rgba(56, 189, 248, 0.4);
}
.trait-neuro {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.4);
}
.trait-none {
    background: rgba(100, 116, 139, 0.2);
    color: #cbd5e1;
    border: 1px solid rgba(100, 116, 139, 0.4);
}

/* Custom Scrollbar for Grid */
.custom-scrollbar::-webkit-scrollbar {
    width: 8px;
}
.custom-scrollbar::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

/* Rank Badges */
.rank-badge {
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    overflow: hidden;
}

.rank-badge.locked {
    filter: grayscale(100%) opacity(50%);
}

.rank-badge.unlocked {
    border-color: rgba(250, 204, 21, 0.5); /* Yellow */
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.1), rgba(0,0,0,0.4));
    box-shadow: 0 0 20px rgba(250, 204, 21, 0.2);
}

.rank-badge.unlocked::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
}
.rank-badge.unlocked:hover::before {
    opacity: 1;
}

/* Confetti Particle */
.confetti {
    position: fixed;
    width: 10px;
    height: 10px;
    background-color: #f00;
    top: -10px;
    z-index: 1000;
    pointer-events: none;
    animation: fall linear forwards;
}

@keyframes fall {
    to {
        transform: translateY(100vh) rotate(720deg);
    }
}