/* ===== MINING PLATFORM STYLES ===== */

/* Variables */
:root {
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6a;
    --color-secondary: #6366f1;
    --color-secondary-dark: #4f46e5;
    --color-accent: #ff6b35;
    
    --color-background-dark: #0a0a0a;
    --color-background-medium: #111111;
    --color-background-light: #1a1a1a;
    --color-card: #151515;
    --color-card-hover: #1a1a1a;
    
    --color-text-light: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-muted: #666666;
    
    --color-success: #00ff88;
    --color-warning: #ffa500;
    --color-danger: #ff4444;
    --color-info: #00bfff;
    
    --shadow-small: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-large: 0 8px 32px rgba(0, 0, 0, 0.4);
    
    --border-radius: 12px;
    --transition: 0.3s ease;
}

/* Base Styles */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--color-background-dark);
    color: var(--color-text-light);
    margin: 0;
    padding: 0;
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.mining-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 20, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    height: 70px;
}

.mining-navbar .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Logo */
.nav-logo {
    flex-shrink: 0;
}

.nav-logo .logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--transition);
}

.nav-logo .logo-link:hover {
    transform: translateY(-1px);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.logo-icon:hover {
    transform: rotate(5deg);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
}

.logo-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-main {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-light);
    line-height: 1;
}

.logo-sub {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    line-height: 1;
    letter-spacing: 1px;
}

/* Desktop Menu */
.nav-menu {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-network-status {
    display: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 8px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
    border-radius: 8px;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 1;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-text-light);
    transform: translateY(-1px);
}

.nav-link.active {
    color: var(--color-primary);
    font-weight: 600;
}

.nav-link i {
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-link:hover i,
.nav-link.active i {
    transform: scale(1.1);
}

/* Right Side Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-shrink: 0;
}

/* Network Status */
.network-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 20px;
    transition: var(--transition);
}

.network-status:hover {
    background: rgba(0, 255, 136, 0.15);
    border-color: rgba(0, 255, 136, 0.3);
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', monospace;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Hamburger Menu Button */
.hamburger {
    display: none;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    transition: var(--transition);
}

.hamburger:hover {
    transform: scale(1.1);
}

.hamburger-box {
    width: 28px;
    height: 24px;
    display: inline-block;
    position: relative;
}

.hamburger-inner {
    display: block;
    top: 50%;
    margin-top: -2px;
}

.hamburger-inner,
.hamburger-inner::before,
.hamburger-inner::after {
    width: 28px;
    height: 3px;
    background-color: var(--color-text-light);
    border-radius: 4px;
    position: absolute;
    transition: transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1), 
                opacity 0.3s ease,
                background-color 0.3s ease;
}

.hamburger-inner::before,
.hamburger-inner::after {
    content: "";
    display: block;
}

.hamburger-inner::before {
    top: -9px;
}

.hamburger-inner::after {
    bottom: -9px;
}

/* Hamburger Animation - X Transform */
.hamburger.is-active .hamburger-inner {
    transform: rotate(45deg);
    background-color: var(--color-primary);
}

.hamburger.is-active .hamburger-inner::before {
    top: 0;
    opacity: 0;
}

.hamburger.is-active .hamburger-inner::after {
    bottom: 0;
    transform: rotate(-90deg);
    background-color: var(--color-primary);
}

.hamburger:hover .hamburger-inner,
.hamburger:hover .hamburger-inner::before,
.hamburger:hover .hamburger-inner::after {
    background-color: var(--color-primary);
}

/* Mobile Menu Overlay */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

/* Desktop Only */
.desktop-only {
    display: flex;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-text {
    font-size: 0.85rem;
    color: var(--color-success);
    font-weight: 500;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    cursor: pointer;
}

.nav-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-text-light);
    border-radius: 1px;
}

/* Main Platform */
.mining-platform {
    padding-top: 60px;
    min-height: 100vh;
}

/* Dashboard Header */
.dashboard-header {
    padding: 40px 0;
    background: linear-gradient(135deg, var(--color-background-medium) 0%, var(--color-background-dark) 100%);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.header-title h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 8px 0;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-title p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.header-stats {
    display: flex;
    gap: 20px;
}

.quick-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.quick-stat .stat-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: white;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-light);
    font-family: 'JetBrains Mono', monospace;
}

/* Control Panel */
.control-panel {
    padding: 40px 0;
}

.control-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 20px;
}

.control-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: var(--transition);
}

.control-card:hover {
    border-color: rgba(0, 255, 136, 0.2);
    box-shadow: var(--shadow-medium);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-light);
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 68, 68, 0.1);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-danger);
}

.status-badge.mining {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-success);
}

.status-badge i {
    font-size: 0.7rem;
}

.card-body {
    padding: 20px;
}

/* Mining Visual */
.mining-visual {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.mining-animation {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
}

.mining-core {
    position: relative;
    width: 150px;
    height: 150px;
}

.core-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(0, 255, 136, 0.2);
}

.core-ring.ring-1 {
    width: 80px;
    height: 80px;
    animation: rotate 10s linear infinite;
}

.core-ring.ring-2 {
    width: 110px;
    height: 110px;
    animation: rotate 15s linear infinite reverse;
}

.core-ring.ring-3 {
    width: 140px;
    height: 140px;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.core-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.mining-core.active .core-ring {
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(0, 255, 136, 0.3);
}

.mining-core.active .core-center {
    animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 255, 136, 0.5); }
    50% { box-shadow: 0 0 40px rgba(0, 255, 136, 0.8); }
}

.mining-stats {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.stat-row .stat-label {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.stat-row .stat-value {
    color: var(--color-text-light);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

/* Control Actions */
.control-actions {
    display: flex;
    gap: 10px;
}

.btn-mining-start,
.btn-mining-stop,
.btn-mining-settings {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-mining-start {
    background: linear-gradient(45deg, var(--color-success), #00cc6a);
    color: white;
}

.btn-mining-start:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
}

.btn-mining-stop {
    background: linear-gradient(45deg, var(--color-danger), #cc0000);
    color: white;
}

.btn-mining-stop:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 68, 68, 0.3);
}

.btn-mining-settings {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Performance Metrics */
.metrics-grid {
    display: grid;
    gap: 15px;
}

.metric-item {
    display: flex;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.metric-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.metric-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.metric-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.metric-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text-light);
    font-family: 'JetBrains Mono', monospace;
}

.metric-change {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 4px;
}

.metric-change.positive {
    color: var(--color-success);
}

.metric-change.negative {
    color: var(--color-danger);
}

.metric-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 3px;
    overflow: hidden;
}

.metric-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    border-radius: 3px;
    transition: width var(--transition);
}

.metric-status {
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

.metric-status.normal {
    background: rgba(0, 255, 136, 0.1);
    color: var(--color-success);
}

.metric-status.warning {
    background: rgba(255, 165, 0, 0.1);
    color: var(--color-warning);
}

/* Earnings Card */
.earnings-summary {
    text-align: center;
    padding: 20px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    margin-bottom: 20px;
}

.earnings-amount {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 8px;
}

.amount-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', monospace;
}

.amount-currency {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.earnings-usd {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-top: 8px;
}

.earnings-breakdown {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.breakdown-label {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.breakdown-value {
    color: var(--color-text-light);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.period-selector {
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--color-text-light);
    font-size: 0.85rem;
    cursor: pointer;
}

.header-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
}

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

/* Charts Section */
.charts-section {
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.01);
}

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.chart-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.chart-card canvas {
    max-height: 300px;
}

.chart-controls {
    display: flex;
    gap: 4px;
}

.btn-chart-range {
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--color-text-secondary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

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

.btn-chart-range.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Calculator Section */
.calculator-section {
    padding: 40px 0;
}

.calculator-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.calculator-card .card-header {
    text-align: center;
    flex-direction: column;
    gap: 8px;
}

.calculator-card .card-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-with-unit {
    display: flex;
    gap: 8px;
}

.input-with-unit input,
.input-with-unit select {
    flex: 1;
    padding: 10px 15px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.input-with-unit .unit {
    display: flex;
    align-items: center;
    padding: 0 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.btn-calculate {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border: none;
    border-radius: var(--border-radius);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-calculate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
}

.calculator-results h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 20px 0;
    color: var(--color-text-light);
}

.result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.result-item {
    padding: 15px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.result-label {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.result-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 4px;
}

.result-usd {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.result-breakdown {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.breakdown-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.breakdown-row.profit {
    padding-top: 15px;
    border-top: 2px solid rgba(0, 255, 136, 0.2);
    margin-top: 10px;
}

.breakdown-row.profit .breakdown-value {
    font-size: 1.2rem;
    color: var(--color-success);
}

.breakdown-row .breakdown-value.negative {
    color: var(--color-danger);
}

/* Pool Stats Section */
.pool-stats-section {
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.01);
}

.section-header {
    text-align: center;
    margin-bottom: 40px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin: 0 0 10px 0;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header p {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.pool-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.stat-card {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: rgba(0, 255, 136, 0.2);
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.stat-card .stat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-card .stat-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-light);
    font-family: 'JetBrains Mono', monospace;
}

/* Referral System */
.referral-section {
    padding: 40px 0;
    background: rgba(255, 255, 255, 0.01);
}

.referral-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.referral-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.1) 0%, rgba(99, 102, 241, 0.1) 100%);
}

.referral-card .card-header h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.referral-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.stat-item i {
    color: var(--color-primary);
}

.referral-content {
    padding: 30px;
}

.referral-code-section,
.referral-link-section,
.referral-stats-detailed,
.referrals-list-section,
.commissions-history-section {
    margin-bottom: 30px;
}

.referral-code-section h4,
.referral-link-section h4,
.referrals-list-section h4,
.commissions-history-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 15px 0;
    color: var(--color-text-light);
}

.code-display,
.link-display {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.code-display input,
.link-display input {
    flex: 1;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text-light);
    font-size: 1rem;
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
}

.copy-btn {
    padding: 12px 16px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border: none;
    border-radius: 8px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.copy-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
}

.code-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0;
    line-height: 1.5;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
}

.stat-card {
    display: flex;
    gap: 15px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.stat-card:hover {
    border-color: rgba(0, 255, 136, 0.2);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: white;
    flex-shrink: 0;
}

.stat-card .stat-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.stat-card .stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-light);
    font-family: 'JetBrains Mono', monospace;
}

.referrals-list,
.commissions-list {
    max-height: 300px;
    overflow-y: auto;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.referral-item,
.commission-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.referral-item:hover,
.commission-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.referral-info,
.commission-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.referral-name,
.commission-description {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text-light);
}

.referral-date,
.commission-date {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.referral-earnings,
.commission-amount {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', monospace;
}

.no-referrals,
.no-commissions {
    padding: 40px 20px;
    text-align: center;
    color: var(--color-text-secondary);
}

.no-referrals i,
.no-commissions i {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--color-text-muted);
}

.no-referrals p,
.no-commissions p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Activity Section */
.activity-section {
    padding: 40px 0 80px;
}

.activity-card {
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.activity-list {
    max-height: 400px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    gap: 15px;
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.activity-item:hover {
    background: rgba(255, 255, 255, 0.02);
}

.activity-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 255, 136, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.activity-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.activity-text {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.activity-time {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal.active {
    display: flex;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 600px;
    background: var(--color-card);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.modal-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 6px;
    color: var(--color-text-light);
    cursor: pointer;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: 20px;
}

.settings-group {
    margin-bottom: 30px;
}

.settings-group h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 15px 0;
    color: var(--color-primary);
}

.setting-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.setting-control {
    display: flex;
    align-items: center;
    gap: 10px;
}

.setting-control input[type="range"] {
    width: 150px;
}

.setting-control select,
.setting-control input[type="text"] {
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.setting-value {
    min-width: 30px;
    text-align: center;
    font-weight: 600;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', monospace;
}

.toggle-switch {
    position: relative;
    width: 50px;
    height: 26px;
}

.toggle-switch input {
    display: none;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 26px;
    cursor: pointer;
    transition: var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(24px);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 255, 136, 0.3);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-light);
}

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

/* Footer */
.mining-footer {
    background: var(--color-card);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 15px 0;
    color: var(--color-text-light);
}

.footer-section p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin: 0 0 15px 0;
}

.footer-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section ul li a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-section ul li a:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 10px;
}

.social-links a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--color-text-secondary);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--color-primary);
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* Responsive Design */

/* Large Tablets and Small Desktops */
@media (max-width: 1200px) {
    .control-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    
    .header-stats {
        width: 100%;
        overflow-x: auto;
        padding-bottom: 10px;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .pool-stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

/* Tablets and Mobile */
@media (max-width: 768px) {
    .mining-navbar {
        height: 65px;
    }
    
    .mining-platform {
        padding-top: 65px;
    }
    
    /* Show Hamburger */
    .hamburger {
        display: inline-block;
    }
    
    /* Hide Desktop Network Status */
    .desktop-only {
        display: none !important;
    }
    
    /* Show Mobile Network Status */
    .mobile-network-status {
        display: flex !important;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 15px 20px;
        margin-top: 20px;
        background: rgba(0, 255, 136, 0.1);
        border: 1px solid rgba(0, 255, 136, 0.2);
        border-radius: 12px;
    }
    
    .mobile-network-status .status-dot {
        width: 8px;
        height: 8px;
        background: var(--color-primary);
        border-radius: 50%;
        animation: pulse 2s infinite;
    }
    
    .mobile-network-status .status-text {
        font-size: 0.8rem;
        font-weight: 600;
        color: var(--color-primary);
        font-family: 'JetBrains Mono', monospace;
    }
    
    /* Mobile Menu Styles */
    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: 280px;
        max-width: 85%;
        background: rgba(15, 15, 20, 0.98);
        backdrop-filter: blur(20px);
        border-left: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
        z-index: 999;
        padding: 80px 20px 20px;
        overflow-y: auto;
        overflow-x: hidden;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    /* Mobile Menu List */
    .nav-list {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }
    
    .nav-item {
        width: 100%;
    }
    
    .nav-menu.active .nav-item {
        animation: slideInRight 0.4s ease forwards;
    }
    
    .nav-menu.active .nav-item:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu.active .nav-item:nth-child(2) { animation-delay: 0.15s; }
    .nav-menu.active .nav-item:nth-child(3) { animation-delay: 0.2s; }
    .nav-menu.active .nav-item:nth-child(4) { animation-delay: 0.25s; }
    .nav-menu.active .nav-item:nth-child(5) { animation-delay: 0.3s; }
    
    .nav-link {
        padding: 16px 20px;
        font-size: 1rem;
        font-weight: 600;
        width: 100%;
        text-align: left;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        display: flex;
        align-items: center;
        gap: 12px;
    }
    
    .nav-link::before {
        display: none;
    }
    
    .nav-link:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(0, 255, 136, 0.3);
        transform: translateX(5px);
    }
    
    .nav-link.active {
        background: linear-gradient(135deg, rgba(0, 255, 136, 0.15) 0%, rgba(99, 102, 241, 0.15) 100%);
        border-color: rgba(0, 255, 136, 0.5);
        color: var(--color-primary);
        transform: translateX(5px);
    }
    
    .nav-link i {
        font-size: 1.2rem;
        width: 24px;
        text-align: center;
    }
    
    /* Hide Logo Text on Mobile */
    .logo-text {
        display: none;
    }
    
    .logo-icon {
        width: 36px;
        height: 36px;
    }
    
    .logo-icon img {
        width: 20px;
        height: 20px;
    }
}

/* Animations for Mobile Menu */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
    
    .logo-icon img {
        width: 18px;
        height: 18px;
    }
    
    .header-title h1 {
        font-size: 2rem;
    }
    
    .header-title p {
        font-size: 0.9rem;
    }
    
    .quick-stat {
        flex-direction: column;
        text-align: center;
        gap: 8px;
        padding: 12px 16px;
    }
    
    .quick-stat .stat-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .mining-visual {
        flex-direction: column;
        gap: 20px;
    }
    
    .mining-core {
        width: 120px;
        height: 120px;
    }
    
    .core-ring.ring-1 {
        width: 60px;
        height: 60px;
    }
    
    .core-ring.ring-2 {
        width: 85px;
        height: 85px;
    }
    
    .core-ring.ring-3 {
        width: 110px;
        height: 110px;
    }
    
    .core-center {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
    
    .control-actions {
        flex-direction: column;
        gap: 8px;
    }
    
    .btn-mining-start,
    .btn-mining-stop,
    .btn-mining-settings {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .metrics-grid {
        gap: 12px;
    }
    
    .metric-item {
        padding: 12px;
        gap: 12px;
    }
    
    .metric-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .earnings-summary {
        padding: 15px 0;
    }
    
    .amount-value {
        font-size: 2rem;
    }
    
    .amount-currency {
        font-size: 1rem;
    }
    
    .earnings-breakdown {
        gap: 10px;
    }
    
    .breakdown-item {
        padding: 8px 0;
    }
    
    .calculator-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .result-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .result-item {
        padding: 12px;
    }
    
    .result-value {
        font-size: 1.1rem;
    }
    
    .pool-stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .stat-card {
        padding: 15px;
        gap: 12px;
    }
    
    .stat-card .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
    
    .stat-card .stat-value {
        font-size: 1.1rem;
    }
    
    /* Referral System Mobile */
    .referral-card .card-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .referral-stats {
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    
    .stat-item {
        justify-content: center;
        padding: 10px 16px;
    }
    
    .referral-content {
        padding: 20px;
    }
    
    .referral-code-section,
    .referral-link-section,
    .referral-stats-detailed,
    .referrals-list-section,
    .commissions-history-section {
        margin-bottom: 25px;
    }
    
    .code-display,
    .link-display {
        flex-direction: column;
        gap: 8px;
    }
    
    .code-display input,
    .link-display input {
        font-size: 0.9rem;
        padding: 10px 12px;
    }
    
    .copy-btn {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .referrals-list,
    .commissions-list {
        max-height: 250px;
    }
    
    .referral-item,
    .commission-item {
        padding: 12px 15px;
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .referral-earnings,
    .commission-amount {
        align-self: flex-end;
        font-size: 0.9rem;
    }
    
    .no-referrals,
    .no-commissions {
        padding: 30px 15px;
    }
    
    .no-referrals i,
    .no-commissions i {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    
    .no-referrals p,
    .no-commissions p {
        font-size: 0.85rem;
    }
}

/* Mobile Devices */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .mining-navbar .nav-container {
        padding: 0 12px;
        height: 55px;
    }
    
    .logo-icon {
        width: 28px;
        height: 28px;
    }
    
    .logo-icon img {
        width: 16px;
        height: 16px;
    }
    
    .nav-toggle span {
        width: 18px;
        height: 2px;
    }
    
    .mining-platform {
        padding-top: 55px;
    }
    
    .dashboard-header {
        padding: 15px 0;
    }
    
    .header-title h1 {
        font-size: 1.8rem;
        margin-bottom: 6px;
    }
    
    .header-title p {
        font-size: 0.85rem;
    }
    
    .header-stats {
        gap: 8px;
    }
    
    .quick-stat {
        padding: 10px 12px;
        gap: 6px;
    }
    
    .quick-stat .stat-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .stat-value {
        font-size: 0.95rem;
    }
    
    .control-panel,
    .charts-section,
    .calculator-section,
    .pool-stats-section,
    .referral-section,
    .activity-section {
        padding: 15px 0;
    }
    
    .card-header {
        padding: 15px;
    }
    
    .card-header h3 {
        font-size: 1.1rem;
    }
    
    .card-body {
        padding: 15px;
    }
    
    .mining-core {
        width: 100px;
        height: 100px;
    }
    
    .core-ring.ring-1 {
        width: 50px;
        height: 50px;
    }
    
    .core-ring.ring-2 {
        width: 70px;
        height: 70px;
    }
    
    .core-ring.ring-3 {
        width: 90px;
        height: 90px;
    }
    
    .core-center {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .mining-stats {
        gap: 8px;
    }
    
    .stat-row {
        padding: 8px 0;
    }
    
    .stat-row .stat-label {
        font-size: 0.8rem;
    }
    
    .stat-row .stat-value {
        font-size: 0.9rem;
    }
    
    .btn-mining-start,
    .btn-mining-stop,
    .btn-mining-settings {
        padding: 8px 12px;
        font-size: 0.85rem;
        gap: 6px;
    }
    
    .metric-item {
        padding: 10px;
        gap: 10px;
    }
    
    .metric-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .metric-label {
        font-size: 0.8rem;
    }
    
    .metric-value {
        font-size: 1rem;
    }
    
    .earnings-summary {
        padding: 12px 0;
    }
    
    .amount-value {
        font-size: 1.8rem;
    }
    
    .amount-currency {
        font-size: 0.9rem;
    }
    
    .earnings-usd {
        font-size: 0.9rem;
    }
    
    .breakdown-item {
        padding: 6px 0;
    }
    
    .breakdown-label {
        font-size: 0.8rem;
    }
    
    .breakdown-value {
        font-size: 0.9rem;
    }
    
    .chart-card canvas {
        max-height: 250px;
    }
    
    .chart-controls {
        gap: 3px;
    }
    
    .btn-chart-range {
        padding: 3px 8px;
        font-size: 0.75rem;
    }
    
    .calculator-card .card-header {
        padding: 20px;
    }
    
    .calculator-card .card-header h3 {
        font-size: 1.1rem;
    }
    
    .calculator-card .card-header p {
        font-size: 0.85rem;
    }
    
    .calculator-inputs {
        gap: 15px;
    }
    
    .input-group {
        gap: 6px;
    }
    
    .input-group label {
        font-size: 0.85rem;
    }
    
    .form-group input,
    .form-group select {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
    
    .btn-calculate {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .calculator-results h4 {
        font-size: 1rem;
        margin-bottom: 15px;
    }
    
    .result-item {
        padding: 10px;
    }
    
    .result-label {
        font-size: 0.8rem;
    }
    
    .result-value {
        font-size: 1rem;
    }
    
    .result-usd {
        font-size: 0.8rem;
    }
    
    .result-breakdown {
        gap: 8px;
        padding-top: 15px;
    }
    
    .breakdown-row {
        padding: 6px 0;
    }
    
    .breakdown-row.profit {
        padding-top: 12px;
        margin-top: 8px;
    }
    
    .breakdown-row.profit .breakdown-value {
        font-size: 1.1rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .section-header p {
        font-size: 0.9rem;
    }
    
    .stat-card {
        padding: 12px;
        gap: 10px;
    }
    
    .stat-card .stat-icon {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .stat-card .stat-label {
        font-size: 0.8rem;
    }
    
    .stat-card .stat-value {
        font-size: 1rem;
    }
    
    .stat-card .stat-change {
        font-size: 0.75rem;
    }
    
    /* Referral System Mobile */
    .referral-card .card-header {
        padding: 15px;
    }
    
    .referral-card .card-header h3 {
        font-size: 1.1rem;
    }
    
    .referral-content {
        padding: 15px;
    }
    
    .referral-code-section h4,
    .referral-link-section h4,
    .referrals-list-section h4,
    .commissions-history-section h4 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .code-description {
        font-size: 0.8rem;
    }
    
    .referrals-list,
    .commissions-list {
        max-height: 200px;
    }
    
    .referral-item,
    .commission-item {
        padding: 10px 12px;
    }
    
    .referral-name,
    .commission-description {
        font-size: 0.85rem;
    }
    
    .referral-date,
    .commission-date {
        font-size: 0.75rem;
    }
    
    .referral-earnings,
    .commission-amount {
        font-size: 0.85rem;
    }
    
    .no-referrals,
    .no-commissions {
        padding: 25px 12px;
    }
    
    .no-referrals i,
    .no-commissions i {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
    
    .no-referrals p,
    .no-commissions p {
        font-size: 0.8rem;
    }
    
    .activity-item {
        padding: 12px 15px;
        gap: 12px;
    }
    
    .activity-icon {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .activity-text {
        font-size: 0.85rem;
    }
    
    .activity-time {
        font-size: 0.75rem;
    }
    
    /* Modal Mobile */
    .modal-content {
        width: 95%;
        max-width: none;
        margin: 10px;
    }
    
    .modal-header {
        padding: 15px;
    }
    
    .modal-header h3 {
        font-size: 1.3rem;
    }
    
    .modal-body {
        padding: 15px;
    }
    
    .settings-group {
        margin-bottom: 20px;
    }
    
    .settings-group h4 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .setting-item {
        padding: 12px 0;
    }
    
    .setting-item label {
        font-size: 0.9rem;
    }
    
    .setting-control input[type="range"] {
        width: 120px;
    }
    
    .setting-control select,
    .setting-control input[type="text"] {
        padding: 6px 10px;
        font-size: 0.85rem;
    }
    
    .setting-value {
        font-size: 0.9rem;
    }
    
    .toggle-switch {
        width: 45px;
        height: 24px;
    }
    
    .toggle-slider::before {
        width: 18px;
        height: 18px;
        top: 3px;
        left: 3px;
    }
    
    .toggle-switch input:checked + .toggle-slider::before {
        transform: translateX(21px);
    }
    
    .modal-footer {
        padding: 15px;
        gap: 8px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 8px 16px;
        font-size: 0.9rem;
    }
    
    /* Footer Mobile */
    .mining-footer {
        padding: 30px 0 15px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
    }
    
    .footer-section h4 {
        font-size: 1rem;
        margin-bottom: 12px;
    }
    
    .footer-section p {
        font-size: 0.85rem;
    }
    
    .footer-section ul li {
        margin-bottom: 8px;
    }
    
    .footer-section ul li a {
        font-size: 0.85rem;
    }
    
    .social-links {
        justify-content: center;
        gap: 8px;
    }
    
    .social-links a {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .footer-bottom {
        padding-top: 15px;
        font-size: 0.8rem;
    }
}

/* Extra Small Devices */
@media (max-width: 360px) {
    .container {
        padding: 0 10px;
    }
    
    .header-title h1 {
        font-size: 1.6rem;
    }
    
    .quick-stat {
        padding: 8px 10px;
    }
    
    .quick-stat .stat-icon {
        width: 28px;
        height: 28px;
    }
    
    .mining-core {
        width: 90px;
        height: 90px;
    }
    
    .core-ring.ring-1 {
        width: 45px;
        height: 45px;
    }
    
    .core-ring.ring-2 {
        width: 60px;
        height: 60px;
    }
    
    .core-ring.ring-3 {
        width: 80px;
        height: 80px;
    }
    
    .core-center {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    .amount-value {
        font-size: 1.6rem;
    }
    
    .section-header h2 {
        font-size: 1.8rem;
    }
    
    .modal-content {
        width: 98%;
        margin: 5px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .btn-mining-start,
    .btn-mining-stop,
    .btn-mining-settings,
    .btn-calculate,
    .copy-btn {
        min-height: 44px;
        min-width: 44px;
    }
    
    .nav-toggle {
        min-height: 44px;
        min-width: 44px;
    }
    
    .quick-stat {
        min-height: 44px;
    }
    
    .metric-item {
        min-height: 44px;
    }
    
    .stat-card {
        min-height: 44px;
    }
    
    .referral-item,
    .commission-item,
    .activity-item {
        min-height: 44px;
    }
    
    .toggle-switch {
        min-height: 44px;
        min-width: 60px;
    }
    
    .form-group input,
    .form-group select {
        min-height: 44px;
    }
}

/* Landscape mobile orientation */
@media (max-width: 768px) and (orientation: landscape) {
    .mining-platform {
        padding-top: 50px;
    }
    
    .dashboard-header {
        padding: 10px 0;
    }
    
    .header-title h1 {
        font-size: 1.5rem;
    }
    
    .header-stats {
        flex-direction: row;
        overflow-x: auto;
        gap: 8px;
    }
    
    .quick-stat {
        flex-direction: row;
        min-width: 120px;
    }
    
    .mining-visual {
        flex-direction: row;
        gap: 15px;
    }
    
    .mining-core {
        width: 80px;
        height: 80px;
    }
    
    .core-ring.ring-1 {
        width: 40px;
        height: 40px;
    }
    
    .core-ring.ring-2 {
        width: 55px;
        height: 55px;
    }
    
    .core-ring.ring-3 {
        width: 70px;
        height: 70px;
    }
    
    .core-center {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
    
    .control-actions {
        flex-direction: row;
        gap: 8px;
    }
    
    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .metric-item {
        padding: 8px;
    }
    
    .chart-card canvas {
        max-height: 200px;
    }
    
    .modal-content {
        max-height: 90vh;
        overflow-y: auto;
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .logo-icon img {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
    
    .mining-core,
    .core-ring,
    .core-center {
        image-rendering: -webkit-optimize-contrast;
        image-rendering: crisp-edges;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .mining-notification {
        background: rgba(0, 0, 0, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .auth-modal {
        background: rgba(0, 0, 0, 0.8);
    }
    
    .auth-modal-content {
        background: var(--color-card);
        border: 1px solid rgba(255, 255, 255, 0.1);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .mining-core,
    .core-ring,
    .core-center {
        animation: none;
    }
    
    .mining-notification {
        animation: none;
    }
    
    .nav-menu {
        transition: none;
    }
}