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

:root {
    --primary-color: #3b82f6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    --border-color: #334155;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--text-color);
    min-height: 100vh;
    padding: 20px;
}

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

/* Header */
.header {
    text-align: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Strategy Version Badges */
.strategy-versions {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.version-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
    cursor: pointer;
    user-select: none;
}

.version-badge:hover {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.version-badge.version-active {
    background: rgba(59, 130, 246, 0.25);
    color: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.price-pill {
    display: inline-block;
    margin-left: 12px;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(16, 185, 129, 0.15);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.35);
    font-size: 0.9rem;
    vertical-align: middle;
}

/* Analysis Header with Current Price */
.analysis-header-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(30, 41, 59, 0.8) 100%);
    border-radius: 12px;
    margin-bottom: 20px;
    border: 1px solid var(--border-color);
}

.analysis-header-box h2 {
    margin: 0;
    font-size: 1.8rem;
}

.current-price-large {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.current-price-large .price-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.current-price-large .price-value {
    font-size: 2rem;
    font-weight: 700;
    color: #10b981;
    line-height: 1;
}

.current-price-large .price-change {
    font-size: 0.9rem;
    font-weight: 500;
}

.current-price-large .price-change.positive {
    color: #10b981;
}

.current-price-large .price-change.negative {
    color: #ef4444;
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Controls */
.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.control-group label {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

input[type="text"] {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    transition: all 0.3s ease;
}

input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

input[type="range"] {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: all 0.3s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 8px rgba(59, 130, 246, 0.1);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
}

.btn-primary {
    padding: 12px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #8b5cf6 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(59, 130, 246, 0.4);
}

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

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Loading */
.loading {
    text-align: center;
    padding: 40px;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    margin: 0 auto 20px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error */
.error {
    padding: 20px;
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--danger-color);
    border-radius: 12px;
    color: var(--danger-color);
    margin-bottom: 20px;
}

/* Signal Card */
.signal-card {
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border-left: 4px solid var(--primary-color);
}

.signal-card h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.signal-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 15px;
    align-items: center;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 8px;
    margin-bottom: 10px;
}

.signal-icon {
    font-size: 2rem;
}

.signal-info h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.signal-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.signal-badge {
    padding: 6px 12px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 0.9rem;
}

.signal-badge.buy {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.signal-badge.sell {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.signal-badge.reduce {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
}

/* Stale signal styling */
.signal-item.stale {
    opacity: 0.5;
    background: var(--card-bg);
    border: 1px dashed var(--text-muted);
}

.signal-item.stale .signal-icon {
    filter: grayscale(70%);
}

.stale-indicator {
    color: var(--text-muted);
    font-size: 0.8rem;
    font-style: italic;
    margin-left: 8px;
}

/* Chart */
.chart-container {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    position: relative;
    min-height: 400px;
}

.chart-container canvas {
    max-width: 100%;
}

.chart-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    justify-content: flex-end;
}

.btn-secondary {
    padding: 8px 16px;
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

/* Latest Signal */
.latest-signal {
    padding: 20px;
    background: var(--card-bg);
    border-radius: 12px;
    margin-bottom: 20px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    border-left: 4px solid var(--warning-color);
}

.latest-signal h3 {
    margin-bottom: 15px;
    font-size: 1.3rem;
}

/* Position Sizing Box (inside latest signal) */
.position-sizing-box {
    margin-top: 15px;
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.position-sizing-box.position-normal {
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid rgba(16, 185, 129, 0.3);
}
.position-sizing-box.position-margin {
    background: rgba(245, 158, 11, 0.15);
    border: 2px solid rgba(245, 158, 11, 0.5);
}
.position-sizing-header {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}
.position-sizing-value {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-color);
}
.position-margin .position-sizing-value {
    color: #f59e0b;
}
.position-sizing-box.position-reduce {
    background: rgba(245, 158, 11, 0.1);
    border: 2px solid rgba(245, 158, 11, 0.4);
}
.position-reduce .position-sizing-value {
    color: #d97706;
}
.position-sizing-detail {
    font-size: 0.95rem;
    color: var(--text-muted);
}
.position-sizing-rsi {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-style: italic;
    margin-left: auto;
}

/* Position tags in signal list */
.position-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
}
.position-tag.normal {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}
.position-tag.margin {
    background: rgba(245, 158, 11, 0.15);
    color: #f59e0b;
}

/* Signals List */
.signals-list {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

.signals-list h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

/* Summary */
.summary,
.summary-section {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

.summary h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

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

.summary-item .label {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.summary-item .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Select boxes */
select {
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 15px;
    font-size: 0.95rem;
    cursor: pointer;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 35px;
    min-width: 150px;
}

select:hover {
    border-color: var(--primary-color);
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

select option {
    background: var(--card-bg);
    color: var(--text-color);
    padding: 10px;
}

/* Checkbox styling */
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    color: var(--text-color);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

/* Input styling for text and number inputs */
input[type="text"],
input[type="number"] {
    background: var(--bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 15px;
    font-size: 0.95rem;
}

input[type="text"]::placeholder,
input[type="number"]::placeholder {
    color: #64748b;
}

input[type="text"]:focus,
input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Trade inputs row styling */
.trade-inputs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.trade-inputs input,
.trade-inputs select {
    flex: 1;
    min-width: 120px;
}

/* Email Stats Section */
.email-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin: 15px 0;
}

.email-stats-grid .stat-card {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.email-stats-grid .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 5px;
}

.email-stats-grid .stat-value {
    font-size: 1.25rem;
    font-weight: 600;
}

.email-stats-grid .stat-value.success {
    color: #10b981;
}

.email-stats-grid .stat-value.error {
    color: #ef4444;
}

.email-error-box {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 8px;
    padding: 12px 15px;
    margin-top: 15px;
    color: #ef4444;
}

.email-error-box .muted {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-left: 10px;
}

/* Progress bar for scanner */
.scan-progress-container {
    width: 100%;
    max-width: 600px;
    margin: 20px auto;
}

.progress-bar-wrapper {
    width: 100%;
    height: 30px;
    background: rgba(30, 41, 59, 0.8);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid rgba(148, 163, 184, 0.2);
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    border-radius: 15px;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 14px;
    min-width: 40px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

/* Utilities */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .controls {
        grid-template-columns: 1fr;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .signal-item {
        grid-template-columns: 1fr;
        text-align: center;
    }
}