/* ===== CSS Variables ===== */
:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: #1a1f2e;
    --bg-hover: #252b3d;
    
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;
    
    --accent-green: #10b981;
    --accent-green-dark: #059669;
    --accent-red: #ef4444;
    --accent-red-dark: #dc2626;
    --accent-blue: #3b82f6;
    --accent-yellow: #f59e0b;
    --accent-purple: #8b5cf6;
    
    --border-color: #374151;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    
    --transition: all 0.3s ease;
}

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* ===== Header ===== */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.status-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-green);
    border-radius: 20px;
}

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

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

.status-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--accent-green);
    letter-spacing: 0.5px;
}

/* ===== Controls ===== */
.controls {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    margin-bottom: 30px;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.input-group input,
.input-group select {
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    min-width: 150px;
    transition: var(--transition);
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-group input {
    text-transform: uppercase;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-dark));
    border: none;
    border-radius: var(--border-radius-sm);
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    height: fit-content;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-primary:active {
    transform: translateY(0);
}

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

/* ===== Loading & Error ===== */
.loading,
.error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 30px;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading p {
    color: var(--text-secondary);
}

.error {
    border-color: var(--accent-red);
    background: rgba(239, 68, 68, 0.05);
}

.error p {
    color: var(--accent-red);
    margin-top: 12px;
}

.hidden {
    display: none !important;
}

/* ===== Results ===== */
.results {
    animation: fadeIn 0.5s ease;
}

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

/* ===== Price Header ===== */
.price-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.price-main {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.symbol {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.change {
    font-size: 1rem;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.change.positive {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
}

.change.negative {
    background: rgba(239, 68, 68, 0.15);
    color: var(--accent-red);
}

.exchange-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.exchange {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.timeframe {
    font-size: 0.75rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 2px 8px;
    border-radius: 4px;
}

/* ===== Signal Card ===== */
.signal-card {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 24px;
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.signal-card.buy {
    border-color: var(--accent-green);
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), var(--bg-card));
}

.signal-card.sell {
    border-color: var(--accent-red);
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.05), var(--bg-card));
}

.signal-card.wait {
    border-color: var(--accent-yellow);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.05), var(--bg-card));
}

.signal-main {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.signal-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.signal-value {
    font-size: 2.5rem;
    font-weight: 800;
}

.signal-value.AL {
    color: var(--accent-green);
}

.signal-value.SAT {
    color: var(--accent-red);
}

.signal-value.BEKLE {
    color: var(--accent-yellow);
}

.confidence {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.confidence-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.confidence-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
    border-radius: 4px;
    transition: width 0.5s ease;
}

.confidence-value {
    font-size: 0.875rem;
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

.signal-details {
    display: flex;
    flex-direction: column;
    gap: 16px;
    justify-content: center;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.detail-value {
    font-size: 1rem;
    font-weight: 600;
}

/* ===== Chart Section ===== */
.chart-section {
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

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

.chart-header h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chart-legend {
    display: flex;
    gap: 16px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.ema20 { background: var(--accent-blue); }
.dot.ema50 { background: var(--accent-purple); }
.dot.ema200 { background: var(--accent-yellow); }

.chart-container {
    position: relative;
    height: 400px;
}

/* ===== Indicators Grid ===== */
.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.indicator-card {
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.indicator-card h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.indicator-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.indicator-bar {
    position: relative;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    overflow: hidden;
}

.rsi-zones {
    display: flex;
    height: 100%;
}

.rsi-zone {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    color: var(--text-muted);
}

.rsi-zone.oversold {
    width: 30%;
    background: rgba(239, 68, 68, 0.2);
}

.rsi-zone.neutral {
    width: 40%;
    background: rgba(245, 158, 11, 0.1);
}

.rsi-zone.overbought {
    width: 30%;
    background: rgba(16, 185, 129, 0.2);
}

.rsi-marker {
    position: absolute;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--accent-blue);
    border-radius: 2px;
    transition: left 0.5s ease;
}

/* MACD */
.macd-values {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.macd-values > div {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.macd-values span:first-child {
    color: var(--text-secondary);
}

.macd-values span:last-child {
    font-weight: 600;
    font-family: 'SF Mono', monospace;
}

/* Bollinger */
.bollinger-values {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.bollinger-values > div {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
}

.bollinger-values span:first-child {
    color: var(--text-secondary);
}

/* Volume */
.volume-change {
    font-size: 0.875rem;
    margin-top: 4px;
}

.volume-change.positive {
    color: var(--accent-green);
}

.volume-change.negative {
    color: var(--accent-red);
}

/* ===== EMA Section ===== */
.ema-section {
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.ema-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.ema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.ema-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.ema-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.ema-value {
    font-size: 1.125rem;
    font-weight: 600;
    font-family: 'SF Mono', monospace;
}

/* ===== Levels Section ===== */
.levels-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.levels-column {
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.levels-column h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.level-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    font-family: 'SF Mono', monospace;
}

.level-item.support {
    border-left: 3px solid var(--accent-green);
}

.level-item.resistance {
    border-left: 3px solid var(--accent-red);
}

.level-price {
    font-weight: 600;
}

.level-distance {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ===== Trade Section ===== */
.trade-section {
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.trade-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.trade-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
}

.trade-card {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    border-radius: var(--border-radius-sm);
    text-align: center;
}

.trade-card.entry {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--accent-blue);
}

.trade-card.take-profit {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--accent-green);
}

.trade-card.stop-loss {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--accent-red);
}

.trade-card.risk-reward {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--accent-purple);
}

.trade-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.trade-value {
    font-size: 1.25rem;
    font-weight: 700;
    font-family: 'SF Mono', monospace;
}

/* ===== Summary Section ===== */
.summary-section {
    padding: 24px;
    background: var(--bg-card);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.summary-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.summary-section p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.pattern-tag {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding: 30px 0;
    border-top: 1px solid var(--border-color);
    margin-top: 20px;
}

.footer p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer .disclaimer {
    margin-top: 8px;
    font-size: 0.75rem;
    color: var(--text-muted);
    opacity: 0.7;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .container {
        padding: 12px;
    }
    
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .input-group input,
    .input-group select {
        width: 100%;
    }
    
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
    
    .price-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .price-main {
        flex-wrap: wrap;
    }
    
    .price {
        font-size: 1.5rem;
    }
    
    .signal-card {
        grid-template-columns: 1fr;
    }
    
    .signal-value {
        font-size: 2rem;
    }
    
    .levels-section {
        grid-template-columns: 1fr;
    }
    
    .chart-container {
        height: 300px;
    }
    
    .indicators-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== LTF Warning ===== */
.ltf-warning {
    display: flex;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--accent-yellow);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    align-items: flex-start;
}

.ltf-warning svg {
    flex-shrink: 0;
    color: var(--accent-yellow);
    margin-top: 2px;
}

.ltf-warning strong {
    display: block;
    color: var(--accent-yellow);
    margin-bottom: 4px;
    font-size: 0.875rem;
}

.ltf-warning p {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
    margin: 0;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}