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

:root {
    --primary-bg: #0b0e11;
    --secondary-bg: #1a1d24;
    --card-bg: #262932;
    --accent-green: #00d4aa;
    --accent-red: #ff4757;
    --accent-orange: #ffa726;
    --accent-blue: #3742fa;
    --text-primary: #ffffff;
    --text-secondary: #b0bec5;
    --border-color: #37414b;
    --success: #2ed573;
    --danger: #ff3838;
    --warning: #ffa502;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.4;
    overflow-x: hidden;
}

/* Tooltip stílusok */
.info-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    background: var(--accent-blue);
    color: white;
    border-radius: 50%;
    font-size: 10px;
    cursor: help;
    margin-left: 5px;
    position: relative;
}

.tooltip {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--card-bg);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 8px;
    font-size: 12px;
    white-space: nowrap;
    max-width: 300px;
    white-space: normal;
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    pointer-events: none;
}

.tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--card-bg);
}

.info-icon:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

/* Self-Learning Panel stílusok */
.learning-panel {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    border-left: 4px solid var(--accent-blue);
}

.learning-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.learning-title {
    font-size: 16px;
    font-weight: bold;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-prediction-btn {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-green));
    border: none;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.save-prediction-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(55, 66, 250, 0.4);
}

.save-prediction-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.learning-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 15px;
}

.learning-stat {
    background: var(--secondary-bg);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
}

.learning-stat-label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.learning-stat-value {
    font-size: 14px;
    font-weight: bold;
    color: var(--accent-blue);
}

/* Prediction items */
.prediction-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--secondary-bg);
    border-radius: 6px;
    margin-bottom: 8px;
    border-left: 3px solid var(--accent-green);
}

.prediction-countdown {
    font-size: 11px;
    color: var(--accent-orange);
    font-weight: bold;
    display: flex;
    align-items: center;
}

.platform-header {
    background: linear-gradient(135deg, var(--secondary-bg), var(--card-bg));
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: bold;
    color: var(--accent-green);
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.language-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding: 8px 12px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 8px;
    border: 1px solid var(--accent-green);
    transition: all 0.3s ease;
}

.language-selector:hover {
    background: rgba(0, 212, 170, 0.2);
}

.flag-icon {
    width: 20px;
    height: 15px;
    border-radius: 2px;
}

.mobile-menu-btn {
    display: none;
    background: var(--accent-green);
    border: none;
    color: var(--primary-bg);
    font-size: 18px;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
}

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

.stat-item {
    text-align: center;
    padding: 8px 12px;
    background: rgba(0, 212, 170, 0.1);
    border-radius: 8px;
    border: 1px solid var(--accent-green);
}

.stat-label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.stat-value {
    font-size: 14px;
    font-weight: bold;
    color: var(--accent-green);
}

.main-container {
    display: grid;
    grid-template-columns: 250px 1fr 350px;
    gap: 20px;
    max-width: 1400px;
    margin: 20px auto;
    padding: 0 20px;
    min-height: calc(100vh - 120px);
}

/* Mobile Layout */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .header-stats {
        display: none;
    }

    .main-container {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 0 15px;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        background: var(--card-bg);
        z-index: 2000;
        transition: left 0.3s ease;
        overflow-y: auto;
        padding: 80px 20px 20px;
    }

    .sidebar.open {
        left: 0;
    }

    .mobile-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1500;
        display: none;
    }

    .mobile-overlay.show {
        display: block;
    }

    .main-content {
        order: 1;
    }

    .right-panel {
        order: 2;
    }

    .timeframe-buttons {
        flex-wrap: wrap;
        gap: 6px;
    }

    .timeframe-btn {
        padding: 4px 8px !important;
        font-size: 11px !important;
        min-width: 45px;
    }
}

@media (max-width: 1200px) and (min-width: 769px) {
    .main-container {
        grid-template-columns: 1fr 300px;
    }
    .sidebar { display: none; }
}

.sidebar {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    height: fit-content;
    border: 1px solid var(--border-color);
}

.sidebar h3 {
    color: var(--accent-green);
    margin-bottom: 15px;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.crypto-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.crypto-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--secondary-bg);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.crypto-item:hover {
    background: var(--primary-bg);
    border-color: var(--accent-green);
}

.crypto-item.active {
    background: rgba(0, 212, 170, 0.1);
    border-color: var(--accent-green);
}

.crypto-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.crypto-symbol {
    font-weight: bold;
    color: var(--text-primary);
}

.crypto-name {
    font-size: 12px;
    color: var(--text-secondary);
}

.crypto-price {
    text-align: right;
}

.price-value {
    font-weight: bold;
    font-size: 14px;
}

.price-change {
    font-size: 11px;
}

.positive { color: var(--success); }
.negative { color: var(--danger); }
.neutral { color: var(--text-secondary); }

.main-content {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

@media (max-width: 768px) {
    .trading-header {
        grid-template-columns: 1fr;
    }
}

.price-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.price-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-orange));
}

.selected-crypto {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
}

.crypto-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--primary-bg);
}

.current-price {
    font-size: 36px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.price-change-24h {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.market-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 20px;
}

.stat-box {
    background: var(--secondary-bg);
    padding: 12px;
    border-radius: 8px;
    text-align: center;
}

.stat-box-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.stat-box-value {
    font-size: 14px;
    font-weight: bold;
    color: var(--text-primary);
}

.signal-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    position: relative;
}

.signal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.signal-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 8px;
}

.signal-strength {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
}

.signal-strong-buy {
    background: var(--success);
    color: white;
}

.signal-buy {
    background: rgba(46, 213, 115, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.signal-sell {
    background: rgba(255, 71, 87, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.signal-strong-sell {
    background: var(--danger);
    color: white;
}

.signal-neutral {
    background: rgba(255, 165, 38, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

.signal-indicators {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .signal-indicators {
        grid-template-columns: 1fr 1fr;
    }
}

.indicator {
    background: var(--secondary-bg);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
}

.indicator-name {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.indicator-value {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 4px;
}

.indicator-signal {
    font-size: 10px;
    padding: 4px 8px;
    border-radius: 12px;
    text-transform: uppercase;
}

.chart-section {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 15px;
}

.chart-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-primary);
}

.timeframe-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.timeframe-btn {
    padding: 6px 12px;
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 12px;
    min-width: 50px;
    text-align: center;
}

.timeframe-btn.active,
.timeframe-btn:hover {
    background: var(--accent-green);
    color: var(--primary-bg);
    border-color: var(--accent-green);
}

.right-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.analysis-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--border-color);
    height: fit-content;
}

.analysis-title {
    font-size: 16px;
    font-weight: bold;
    color: var(--accent-green);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.analysis-item {
    padding: 12px;
    background: var(--secondary-bg);
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid var(--accent-green);
}

.analysis-item h4 {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.analysis-item p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

.market-news {
    max-height: 400px;
    overflow-y: auto;
}

.news-item {
    padding: 12px;
    background: var(--secondary-bg);
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.news-item:hover {
    background: var(--primary-bg);
}

.news-title {
    font-size: 13px;
    font-weight: bold;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.news-meta {
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.status-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--secondary-bg);
    border-top: 1px solid var(--border-color);
    padding: 8px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    z-index: 1000;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.status-live {
    color: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.error-banner {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid var(--danger);
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
    color: var(--danger);
    display: none;
}

.refresh-btn {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--accent-green);
    border: none;
    border-radius: 50%;
    color: var(--primary-bg);
    font-size: 18px;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 212, 170, 0.3);
    transition: all 0.3s ease;
    z-index: 1000;
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 170, 0.4);
}

.refresh-btn:active {
    transform: scale(0.95);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 400px;
    margin-top: 15px;
}

/* Notifications */
.notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    min-width: 300px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    border-left: 4px solid var(--success);
}

.notification-error {
    border-left: 4px solid var(--danger);
}

.notification-warning {
    border-left: 4px solid var(--warning);
}