/* 
 * ⚡ LiveOps Tycoon — Professional Cybernetic Design Token System
 * Vanilla CSS implementation for maximum performance and buttery smooth transitions.
 */

:root {
    /* Color Palette — HSL tailored premium cyberpunk/SaaS theme */
    --bg-dark: #07070c;
    --panel-bg: rgba(13, 13, 23, 0.65);
    --card-bg: rgba(22, 22, 38, 0.5);
    --border-color: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(0, 240, 255, 0.2);
    
    /* Text Colors */
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Accent & Glows */
    --accent-cyan: #00f0ff;
    --accent-pink: #ff007f;
    --accent-glow-cyan: rgba(0, 240, 255, 0.25);
    --accent-glow-pink: rgba(255, 0, 127, 0.35);
    
    /* System States */
    --disabled-bg: rgba(30, 30, 46, 0.4);
    --disabled-text: #475569;
    --disabled-border: rgba(255, 255, 255, 0.03);
    
    /* Typography & Transitions */
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.15s ease;
}

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

body {
    background-color: var(--bg-dark);
    /* High-fidelity mesh gradient backgrounds to create instant depth */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 127, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, rgba(13, 13, 23, 1) 0%, rgba(7, 7, 12, 1) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1.5rem;
    overflow-x: hidden;
}

/* Dashboard Grid Layout */
.dashboard-container {
    display: grid;
    grid-template-columns: 300px 1fr 360px;
    gap: 1.75rem;
    width: 100%;
    max-width: 1440px;
    height: 85vh;
    perspective: 1000px;
}

@media (max-width: 1080px) {
    .dashboard-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        height: auto;
        gap: 1.5rem;
    }
}

/* Ultra-Premium Glassmorphic Panels */
.panel {
    background-color: var(--panel-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: var(--transition-smooth);
}

.panel:hover {
    border-color: rgba(255, 255, 255, 0.1);
}

header {
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
}

header h1 {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: linear-gradient(135deg, #fff 30%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.35rem;
}

header h2 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

header h2::after {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--accent-cyan);
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
}

/* Left Panel - Analytics & Stats */
.stats-panel {
    gap: 0.5rem;
}

.stat-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background-color: transparent;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.stat-card.primary {
    border-color: rgba(0, 240, 255, 0.15);
    background: linear-gradient(180deg, rgba(0, 240, 255, 0.03) 0%, transparent 100%);
    box-shadow: 0 4px 24px rgba(0, 240, 255, 0.05);
}

.stat-card.primary::before {
    background-color: var(--accent-cyan);
    box-shadow: 0 0 12px var(--accent-cyan);
}

.stat-card.primary:hover {
    border-color: rgba(0, 240, 255, 0.35);
    box-shadow: 0 8px 32px rgba(0, 240, 255, 0.12);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.075em;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
}

.text-glow {
    color: var(--accent-cyan);
    text-shadow: 0 0 15px var(--accent-glow-cyan);
}

/* Center Panel - Holographic Control Core */
.actions-panel {
    align-items: center;
    position: relative;
}

.actions-panel::after {
    content: '';
    position: absolute;
    bottom: -150px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.action-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    gap: 2rem;
}

/* Cosmic Cyber Core Action Button */
.mega-button {
    background: radial-gradient(circle, rgba(22, 22, 38, 0.9) 0%, rgba(13, 13, 23, 0.95) 100%);
    border: 2px solid var(--accent-cyan);
    color: var(--accent-cyan);
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    padding: 1.75rem 3.5rem;
    border-radius: 100px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    box-shadow: 
        0 0 30px var(--accent-glow-cyan),
        inset 0 0 15px rgba(0, 240, 255, 0.1);
    transition: var(--transition-smooth);
    user-select: none;
}

.mega-button::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border-radius: 100px;
    border: 1px solid rgba(0, 240, 255, 0.15);
    animation: pulseGlow 3s infinite ease-in-out;
    pointer-events: none;
}

.mega-button:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
    transform: scale(1.04) translateY(-2px);
    box-shadow: 0 0 45px rgba(0, 240, 255, 0.45);
}

.mega-button:active {
    transform: scale(0.96) translateY(1px);
}

.button-icon {
    font-size: 1.75rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.mega-button:hover .button-icon {
    transform: rotate(20deg) scale(1.2);
}

@keyframes pulseGlow {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.03);
        opacity: 1;
    }
}

/* Right Panel - Upgrades & Marketplace */
.upgrades-panel {
    display: flex;
    flex-direction: column;
}

.upgrades-list {
    flex: 1;
    overflow-y: auto;
    padding-right: 0.5rem;
}

/* Beautiful Custom Scrollbar */
.upgrades-list::-webkit-scrollbar {
    width: 6px;
}

.upgrades-list::-webkit-scrollbar-track {
    background: transparent;
}

.upgrades-list::-webkit-scrollbar-thumb {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    transition: var(--transition-fast);
}

.upgrades-list::-webkit-scrollbar-thumb:hover {
    background-color: rgba(0, 240, 255, 0.25);
}

/* Upgrade Card Items */
.upgrade-item {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 1.25rem;
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.upgrade-item:hover {
    border-color: rgba(255, 255, 255, 0.12);
    background-color: rgba(22, 22, 38, 0.7);
    transform: translateX(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.upgrade-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.upgrade-name {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--text-primary);
}

.upgrade-owned {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-cyan);
}

.upgrade-desc {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.45;
}

/* Buy Action Button inside upgrades */
.btn-buy {
    background: linear-gradient(135deg, var(--accent-cyan) 0%, rgba(0, 240, 255, 0.8) 100%);
    color: var(--bg-dark);
    border: none;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.95rem;
    letter-spacing: -0.01em;
    cursor: pointer;
    transition: var(--transition-smooth);
    width: 100%;
    box-shadow: 0 4px 12px rgba(0, 240, 255, 0.15);
}

.btn-buy:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0, 240, 255, 0.35);
    background: linear-gradient(135deg, #fff 0%, var(--accent-cyan) 100%);
}

.btn-buy:active:not(:disabled) {
    transform: translateY(1px);
}

/* Sleek futuristic disabled state with clean feedback */
.btn-buy:disabled {
    background: var(--disabled-bg);
    color: var(--disabled-text);
    border: 1px solid var(--disabled-border);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

/* High-End Glassmorphic Slide Toaster Notification */
.toaster {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(0);
    background: rgba(13, 13, 23, 0.85);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(0, 240, 255, 0.25);
    color: var(--text-primary);
    padding: 1.25rem 2.25rem;
    border-radius: 100px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.75), 
        0 0 25px rgba(0, 240, 255, 0.12),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.toaster::before {
    content: '🚀';
    font-size: 1.2rem;
}

.toaster.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(30px) scale(0.9);
    pointer-events: none;
}

.toaster button {
    background: rgba(0, 240, 255, 0.1);
    border: 1px solid rgba(0, 240, 255, 0.2);
    color: var(--accent-cyan);
    padding: 0.4rem 0.9rem;
    border-radius: 100px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.8rem;
    transition: var(--transition-fast);
}

.toaster button:hover {
    background: var(--accent-cyan);
    color: var(--bg-dark);
}

/* Subtle Signature Brand Watermark */
.watermark {
    position: fixed;
    bottom: 12px;
    right: 16px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    pointer-events: none;
    opacity: 0.6;
}