@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700;900&family=Rajdhani:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette - Military Dark Theme */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #1a1410;
    --color-bg-tertiary: #2a2420;
    --color-bg-elevated: #1f1b17;
    --color-border: #3a3530;
    --color-border-light: #4a4540;
    
    --color-text-primary: #e8e6e3;
    --color-text-secondary: #b8b6b3;
    --color-text-muted: #7a7875;
    
    --color-accent-primary: #d4a574;
    --color-accent-secondary: #8b6f47;
    --color-accent-danger: #d63031;
    --color-accent-success: #00b894;
    --color-accent-warning: #fdcb6e;
    --color-accent-info: #74b9ff;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Typography */
    --font-display: 'Orbitron', monospace;
    --font-body: 'Rajdhani', sans-serif;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;
    
    /* Sidebar */
    --sidebar-width: 280px;
    --topbar-height: 60px;
    --bottomnav-height: 70px;
}

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
    font-family: var(--font-body);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Loading Screen */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1410 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

.loading-content {
    text-align: center;
    max-width: 400px;
    padding: var(--spacing-xl);
}

.loading-logo {
    font-size: 80px;
    margin-bottom: var(--spacing-lg);
    animation: pulse 2s ease-in-out infinite;
}

.loading-content h1 {
    font-family: var(--font-display);
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 4px;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 0 20px rgba(212, 165, 116, 0.3);
}

.loading-bar {
    width: 100%;
    height: 4px;
    background: var(--color-bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    width: 0%;
    animation: loadingProgress 2s ease-in-out forwards;
}

.loading-text {
    color: var(--color-text-secondary);
    font-size: 14px;
    letter-spacing: 1px;
}

@keyframes loadingProgress {
    0% { width: 0%; }
    100% { width: 100%; }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Main Layout */
#game-container {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100%;
    background: var(--color-bg-secondary);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: transform var(--transition-normal);
    z-index: 100;
}

.sidebar-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg-primary);
}

.sidebar-header h2 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent-primary);
    text-transform: uppercase;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.sidebar-content::-webkit-scrollbar-track {
    background: var(--color-bg-secondary);
}

.sidebar-content::-webkit-scrollbar-thumb {
    background: var(--color-accent-secondary);
    border-radius: 3px;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all var(--transition-fast);
    position: relative;
}

.nav-item:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
    border-color: var(--color-border-light);
}

.nav-item.active {
    background: var(--color-accent-secondary);
    color: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    font-weight: 600;
}

.nav-icon {
    font-size: 20px;
    margin-right: var(--spacing-md);
    min-width: 24px;
    text-align: center;
}

.nav-text {
    flex: 1;
}

.nav-badge {
    background: var(--color-accent-primary);
    color: var(--color-bg-primary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    font-weight: 600;
}

.nav-badge.alert {
    background: var(--color-accent-danger);
    color: white;
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.sidebar-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    background: var(--color-bg-primary);
}

.info-box {
    margin-bottom: var(--spacing-md);
}

.info-item {
    display: flex;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.info-icon {
    font-size: 24px;
    margin-right: var(--spacing-md);
}

.info-label {
    font-size: 11px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 2px;
}

.info-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--color-bg-primary);
}

/* Top Bar */
.top-bar {
    height: var(--topbar-height);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-lg);
    gap: var(--spacing-lg);
    z-index: 90;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    font-size: 24px;
    cursor: pointer;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.menu-toggle:hover {
    color: var(--color-accent-primary);
}

.resource-bar {
    display: flex;
    gap: var(--spacing-lg);
    flex: 1;
}

.resource-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: var(--color-bg-tertiary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.resource-icon {
    font-size: 20px;
}

.resource-value {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--color-accent-primary);
}

.top-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-icon {
    width: 40px;
    height: 40px;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background: var(--color-accent-secondary);
    border-color: var(--color-accent-primary);
    color: var(--color-accent-primary);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--color-accent-danger);
    color: white;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    font-size: 11px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* View Container */
.view-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
}

.view-container::-webkit-scrollbar {
    width: 8px;
}

.view-container::-webkit-scrollbar-track {
    background: var(--color-bg-primary);
}

.view-container::-webkit-scrollbar-thumb {
    background: var(--color-accent-secondary);
    border-radius: 4px;
}

/* Buttons */
button {
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary, .btn-secondary, .btn-danger, .btn-success {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-size: 14px;
    border: 1px solid;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-primary {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: var(--color-bg-primary);
}

.btn-primary:hover {
    background: var(--color-accent-secondary);
    border-color: var(--color-accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 165, 116, 0.3);
}

.btn-secondary {
    background: var(--color-bg-tertiary);
    border-color: var(--color-border);
    color: var(--color-text-primary);
}

.btn-secondary:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-light);
}

.btn-danger {
    background: var(--color-accent-danger);
    border-color: var(--color-accent-danger);
    color: white;
}

.btn-success {
    background: var(--color-accent-success);
    border-color: var(--color-accent-success);
    color: white;
}

.full-width {
    width: 100%;
    margin-bottom: var(--spacing-sm);
}

/* Cards */
.card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.card-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--color-accent-primary);
}

.card-body {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

/* Stats */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.stat-box {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
}

.stat-icon {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 12px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--color-bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin: var(--spacing-sm) 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    transition: width var(--transition-normal);
}

/* Bottom Navigation (Mobile) */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: var(--bottomnav-height);
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 100;
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.bottom-nav-item.active {
    color: var(--color-accent-primary);
}

.bottom-nav-icon {
    font-size: 24px;
}

.bottom-nav-label {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.modal {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-accent-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Lists */
.item-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.list-item {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.list-item:hover {
    background: var(--color-bg-elevated);
    border-color: var(--color-border-light);
    transform: translateX(4px);
}

.list-item-icon {
    font-size: 32px;
    min-width: 40px;
    text-align: center;
}

.list-item-content {
    flex: 1;
}

.list-item-title {
    font-weight: 600;
    font-size: 15px;
    color: var(--color-text-primary);
    margin-bottom: 4px;
}

.list-item-subtitle {
    font-size: 13px;
    color: var(--color-text-muted);
}

.list-item-action {
    margin-left: auto;
}

/* Tags */
.tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.tag-primary {
    background: rgba(212, 165, 116, 0.2);
    color: var(--color-accent-primary);
}

.tag-success {
    background: rgba(0, 184, 148, 0.2);
    color: var(--color-accent-success);
}

.tag-danger {
    background: rgba(214, 48, 49, 0.2);
    color: var(--color-accent-danger);
}

.tag-warning {
    background: rgba(253, 203, 110, 0.2);
    color: var(--color-accent-warning);
}

/* Responsive */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 100%;
    }
    
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        transform: translateX(-100%);
        box-shadow: 4px 0 12px rgba(0, 0, 0, 0.5);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .menu-toggle {
        display: block;
    }
    
    .main-content {
        margin-bottom: var(--bottomnav-height);
    }
    
    .bottom-nav {
        display: flex;
    }
    
    .top-bar {
        padding: 0 var(--spacing-md);
    }
    
    .resource-bar {
        gap: var(--spacing-sm);
    }
    
    .resource-item {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .resource-icon {
        font-size: 18px;
    }
    
    .resource-value {
        font-size: 14px;
    }
    
    .view-container {
        padding: var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .modal {
        width: 95%;
        max-height: 90vh;
    }
}

@media (max-width: 480px) {
    .resource-bar {
        flex-wrap: wrap;
    }
    
    .stat-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-in-left {
    animation: slideInLeft 0.3s ease;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.flex-wrap { flex-wrap: wrap; }

/* ========================================
   VOID REFINERY THEME - Darkness of the Void
   ======================================== */

:root {
    /* Void Theme Colors - Ultra Dark */
    --void-bg-deep: #050508;
    --void-bg-dark: #0a0a10;
    --void-bg-medium: #12121a;
    --void-bg-light: #1a1a25;
    --void-border: #252535;
    --void-border-glow: #3a3a50;

    /* Void Accent Colors */
    --void-accent-primary: #8b7355;
    --void-accent-glow: #a08060;
    --void-text-primary: #c5c0b8;
    --void-text-muted: #6a6575;

    /* Tier Colors */
    --tier-0-color: #4a3d30;
    --tier-1-color: #3d4a5a;
    --tier-2-color: #4a3d4a;
    --tier-3-color: #5a3d4a;
    --tier-4-color: #2d1a3d;
}

/* Void Theme Base */
.void-theme {
    background: linear-gradient(180deg, var(--void-bg-deep) 0%, var(--void-bg-dark) 100%);
    min-height: 100%;
    padding-bottom: var(--spacing-xl);
}

.void-card {
    background: linear-gradient(145deg, var(--void-bg-medium) 0%, var(--void-bg-dark) 100%);
    border: 1px solid var(--void-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.02);
}

.void-card:hover {
    border-color: var(--void-border-glow);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.void-title {
    color: var(--void-accent-glow);
    text-shadow: 0 0 20px rgba(160, 128, 96, 0.3);
}

.void-subtitle {
    color: var(--void-text-muted);
    font-size: 13px;
    margin-top: var(--spacing-xs);
    letter-spacing: 1px;
}

.void-text {
    color: var(--void-text-muted);
    font-size: 14px;
}

/* Tier Badges */
.tier-badge {
    padding: 4px 12px;
    border-radius: 4px;
    font-family: var(--font-display);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.tier-0 {
    background: linear-gradient(135deg, var(--tier-0-color), #3a3020);
    color: #c5a882;
    border: 1px solid #5a4d40;
}

.tier-1 {
    background: linear-gradient(135deg, var(--tier-1-color), #2d3a4a);
    color: #8ac;
    border: 1px solid #4a5a6a;
}

.tier-2 {
    background: linear-gradient(135deg, var(--tier-2-color), #3a2d3a);
    color: #c8a;
    border: 1px solid #5a4a5a;
}

.tier-3 {
    background: linear-gradient(135deg, var(--tier-3-color), #4a2d3a);
    color: #e8a;
    border: 1px solid #6a4a5a;
    box-shadow: 0 0 10px rgba(200, 100, 150, 0.2);
}

.tier-4 {
    background: linear-gradient(135deg, var(--tier-4-color), #1a0d2d);
    color: #c8f;
    border: 1px solid #4a2d5a;
    box-shadow: 0 0 15px rgba(150, 100, 200, 0.3);
    animation: tier4Pulse 3s ease-in-out infinite;
}

@keyframes tier4Pulse {
    0%, 100% { box-shadow: 0 0 15px rgba(150, 100, 200, 0.3); }
    50% { box-shadow: 0 0 25px rgba(150, 100, 200, 0.5); }
}

/* Extraction Grid */
.extraction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.extraction-card {
    background: linear-gradient(145deg, var(--resource-color, var(--void-bg-medium)), var(--void-bg-dark));
    border: 1px solid var(--void-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.extraction-card:hover {
    border-color: var(--void-accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.extraction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.extraction-name {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 600;
    color: var(--void-text-primary);
}

.extraction-amount {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--void-accent-glow);
}

.extraction-cost {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 12px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.extraction-yield {
    color: var(--color-accent-success);
    font-weight: 600;
}

/* Crafting Grid */
.crafting-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.crafting-card {
    background: linear-gradient(145deg, var(--resource-color, var(--void-bg-medium)), var(--void-bg-dark));
    border: 1px solid var(--void-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.crafting-card:hover {
    border-color: var(--void-accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.crafting-unavailable {
    opacity: 0.6;
}

.crafting-unavailable:hover {
    transform: none;
    border-color: var(--void-border);
}

.crafting-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.crafting-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--void-text-primary);
}

.crafting-amount {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    color: var(--void-accent-glow);
}

.crafting-desc {
    font-size: 12px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.crafting-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
}

.input-item {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 4px;
    background: var(--void-bg-dark);
    border: 1px solid var(--void-border);
}

.input-available {
    color: var(--color-accent-success);
    border-color: rgba(0, 184, 148, 0.3);
}

.input-missing {
    color: var(--color-accent-danger);
    border-color: rgba(214, 48, 49, 0.3);
}

.crafting-cost {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 12px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

/* Void Buttons */
.btn-void {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, var(--void-accent-primary), #6a5545);
    border: 1px solid var(--void-accent-glow);
    border-radius: var(--radius-sm);
    color: var(--void-bg-deep);
    font-family: var(--font-display);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-void:hover {
    background: linear-gradient(135deg, var(--void-accent-glow), #8a7565);
    box-shadow: 0 4px 15px rgba(139, 115, 85, 0.4);
    transform: translateY(-1px);
}

.btn-void.btn-disabled {
    background: var(--void-bg-medium);
    border-color: var(--void-border);
    color: var(--void-text-muted);
    cursor: not-allowed;
}

.btn-void.btn-disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Exotic Card Styles */
.exotic-card {
    background: linear-gradient(145deg, #0d0a15 0%, #050308 100%);
    border-color: #3d2d4a;
    position: relative;
    overflow: hidden;
}

.exotic-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(150, 100, 200, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.crafting-card.exotic {
    background: linear-gradient(145deg, var(--resource-color, #0d0a15), #050308);
    border-color: #4a3d5a;
}

.crafting-card.exotic:hover {
    border-color: #6a4d7a;
    box-shadow: 0 8px 30px rgba(100, 50, 150, 0.3);
}

.exotic-btn {
    background: linear-gradient(135deg, #5a3d6a, #3d2d4a);
    border-color: #7a5d8a;
}

.exotic-btn:hover {
    background: linear-gradient(135deg, #7a5d8a, #5a4d6a);
    box-shadow: 0 4px 20px rgba(150, 100, 200, 0.4);
}

/* Crafting Queue */
.crafting-queue {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.crafting-job {
    background: var(--void-bg-dark);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
}

.crafting-job-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
}

.crafting-job-name {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--void-text-primary);
}

.crafting-job-time {
    font-size: 12px;
    color: var(--void-accent-glow);
}

.void-progress {
    background: var(--void-bg-deep);
    height: 6px;
}

.void-progress-fill {
    background: linear-gradient(90deg, var(--void-accent-primary), var(--void-accent-glow));
}

/* Inventory Grid */
.inventory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-sm);
}

.inventory-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, var(--resource-color, var(--void-bg-medium)), var(--void-bg-dark));
    border: 1px solid var(--void-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.inventory-name {
    font-size: 13px;
    color: var(--void-text-primary);
}

.inventory-amount {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    color: var(--void-accent-glow);
}

/* Responsive adjustments for refinery */
@media (max-width: 768px) {
    .extraction-grid {
        grid-template-columns: 1fr;
    }

    .crafting-grid {
        grid-template-columns: 1fr;
    }

    .inventory-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .inventory-grid {
        grid-template-columns: 1fr;
    }

    .extraction-cost,
    .crafting-cost {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* ========================================
   TRAVEL VIEW STYLES
   ======================================== */

.travel-ship-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.travel-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.travel-stat-label {
    width: 80px;
    color: var(--void-text-muted);
    font-size: 13px;
}

.travel-stat-value {
    font-family: var(--font-display);
    font-weight: 600;
    color: var(--void-accent-glow);
    min-width: 80px;
    text-align: right;
}

/* Mining Grid */
.mining-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.mining-card {
    background: var(--void-bg-dark);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.mining-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.mining-name {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--void-text-primary);
}

.mining-abundance {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

.mining-remaining {
    font-size: 12px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-sm);
}

/* Travel Destinations */
.travel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.travel-destination {
    background: linear-gradient(145deg, var(--void-bg-medium), var(--void-bg-dark));
    border: 1px solid var(--void-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.travel-destination:hover {
    border-color: var(--void-accent-primary);
}

.travel-locked {
    opacity: 0.6;
}

.travel-dest-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.travel-dest-name {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 600;
    color: var(--void-text-primary);
}

.travel-dest-desc {
    font-size: 13px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.travel-cost {
    margin-bottom: var(--spacing-md);
}

.travel-cost-label {
    font-size: 12px;
    color: var(--void-text-muted);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.travel-cost-items {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.travel-cost-item {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--void-bg-dark);
    border: 1px solid var(--void-border);
    color: var(--void-text-muted);
}

.travel-cost-item.cost-available {
    color: var(--color-accent-success);
    border-color: rgba(0, 184, 148, 0.3);
}

.travel-cost-item.cost-missing {
    color: var(--color-accent-danger);
    border-color: rgba(214, 48, 49, 0.3);
}

.sector-base-indicator {
    padding: var(--spacing-sm);
    background: rgba(0, 184, 148, 0.1);
    border-radius: var(--radius-sm);
    text-align: center;
}

/* ========================================
   SKILLS VIEW STYLES
   ======================================== */

.skill-points-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--void-bg-dark);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--void-accent-primary);
}

.skill-points-value {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--void-accent-glow);
}

.skill-points-label {
    font-size: 10px;
    color: var(--void-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.skill-card {
    background: linear-gradient(145deg, var(--void-bg-medium), var(--void-bg-dark));
    border: 1px solid var(--void-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.skill-card:hover {
    border-color: var(--void-border-glow);
}

.skill-card.skill-unlocked {
    border-color: var(--color-accent-success);
    background: linear-gradient(145deg, rgba(0, 184, 148, 0.1), var(--void-bg-dark));
}

.skill-card.skill-locked {
    opacity: 0.5;
}

.skill-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.skill-emoji {
    font-size: 24px;
}

.skill-name {
    font-family: var(--font-display);
    font-size: 15px;
    font-weight: 600;
    color: var(--void-text-primary);
}

.skill-desc {
    font-size: 13px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.skill-requires {
    font-size: 11px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-sm);
}

.skill-requires .req-met {
    color: var(--color-accent-success);
}

.skill-requires .req-missing {
    color: var(--color-accent-danger);
}

.skill-cost {
    font-size: 12px;
    color: var(--void-accent-glow);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

/* Fleet & Shipyard */
.shipyard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.ship-card {
    background: var(--void-bg-dark);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.ship-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.ship-emoji {
    font-size: 24px;
}

.ship-name {
    font-family: var(--font-display);
    font-size: 14px;
    color: var(--void-text-primary);
}

.ship-desc {
    font-size: 12px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-sm);
}

.ship-stats {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    font-size: 11px;
    color: var(--void-text-muted);
    margin-bottom: var(--spacing-sm);
}

.ship-cost {
    font-size: 11px;
    color: var(--void-accent-glow);
    margin-bottom: var(--spacing-md);
}

.fleet-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.fleet-ship {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--void-bg-dark);
    border: 1px solid var(--void-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
}

.fleet-ship .ship-name {
    flex: 1;
}

.fleet-ship .ship-location {
    font-size: 12px;
    color: var(--void-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    .travel-grid,
    .skills-grid,
    .shipyard-grid,
    .mining-grid {
        grid-template-columns: 1fr;
    }

    .travel-stat {
        flex-wrap: wrap;
    }

    .travel-stat-label {
        width: 100%;
        margin-bottom: var(--spacing-xs);
    }
}