@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --bg-main: #050814;
    --bg-card: #0B1020;
    --bg-card-soft: #101627;
    --bg-card-hover: #151c30;
    --primary: #00C4FF;
    --primary-soft: rgba(0, 196, 255, 0.25);
    --primary-dim: rgba(0, 196, 255, 0.12);
    --accent-purple: #8B5CF6;
    --accent-purple-soft: rgba(139, 92, 246, 0.25);
    --text-main: #F9FAFB;
    --text-muted: #9CA3AF;
    --text-dim: #6B7280;
    --border-subtle: #1F2933;
    --border-glow: rgba(0, 196, 255, 0.4);
    --success: #00C4FF;
    --success-soft: rgba(0, 196, 255, 0.15);
    --danger: #EF4444;
    --warning: #8B5CF6;
    --glow-primary: 0 0 20px rgba(0, 196, 255, 0.4);
    --glow-soft: 0 0 15px rgba(0, 196, 255, 0.2);
}

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

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-card);
    border-radius: 4px;
}

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

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

* {
    scrollbar-width: thin;
    scrollbar-color: var(--border-subtle) var(--bg-card);
}

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

header {
    padding: 2.5rem 2rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--border-subtle);
    background: linear-gradient(180deg, rgba(0, 196, 255, 0.04) 0%, transparent 100%);
    position: relative;
}

.header-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

header h1 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: 0.02em;
    text-shadow: 0 0 30px rgba(0, 196, 255, 0.3);
}

.header-logo {
    max-width: 380px;
    height: auto;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 20px rgba(0, 196, 255, 0.3));
}

header .subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.08em;
}

.version-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.85rem;
    background: var(--accent-purple-soft);
    border: 1px solid var(--accent-purple);
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--accent-purple);
    letter-spacing: 0.05em;
    margin-top: 0.75rem;
}

.header-nav {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.header-nav .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1.25rem;
    background: var(--primary-dim);
    border: 1px solid var(--primary);
    border-radius: 8px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
}

.header-nav .nav-link:hover {
    background: var(--primary-soft);
    box-shadow: 0 0 15px rgba(0, 196, 255, 0.3);
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

section {
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.section-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.03em;
}

.section-subtitle {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

@media (max-width: 1024px) {
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .cards-grid { grid-template-columns: 1fr; }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent-purple));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    box-shadow: var(--glow-soft);
    transform: translateY(-3px);
}

.card:hover::before {
    opacity: 1;
}

.card h3 {
    font-size: 0.7rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.card-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.card-detail {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.65rem;
    background: var(--primary-dim);
    border: 1px solid rgba(0, 196, 255, 0.3);
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.backtest-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 1.75rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    align-items: end;
}

@media (max-width: 1024px) {
    .form-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
    .form-grid { grid-template-columns: 1fr; }
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select {
    padding: 0.85rem 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    background: var(--bg-card-soft);
    color: var(--text-main);
    font-size: 0.9rem;
    font-family: 'Inter', sans-serif;
    transition: all 0.25s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-dim);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2300C4FF'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--bg-main);
    color: var(--text-main);
}

.form-hint {
    grid-column: 1 / -1;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-top: 0.5rem;
    padding-left: 0.25rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #00A8E0 100%);
    color: #000;
    border: none;
    padding: 0.85rem 2rem;
    font-size: 0.9rem;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: var(--glow-soft);
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-primary:hover {
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0) scale(0.98);
}

.btn-primary:disabled {
    background: var(--text-dim);
    box-shadow: none;
    cursor: not-allowed;
    transform: none;
}

.results-section {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-left: 4px solid var(--primary);
    border-radius: 20px;
    padding: 1.75rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.results-section.glow {
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 10px var(--primary-dim); }
    50% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 25px var(--primary-soft); }
    100% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), 0 0 10px var(--primary-dim); }
}

.results-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 640px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

.stat-item {
    background: var(--bg-card-soft);
    padding: 1.25rem 1rem;
    border-radius: 16px;
    text-align: center;
    border: 1px solid var(--border-subtle);
    transition: all 0.25s ease;
}

.stat-item:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.stat-label {
    display: block;
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.stat-value {
    display: block;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-main);
}

.stat-hint {
    display: block;
    font-size: 0.65rem;
    color: var(--text-dim);
    margin-top: 0.4rem;
}

.stat-value.positive { color: var(--success); }
.stat-value.negative { color: var(--danger); }

#equity-chart-container {
    background: var(--bg-card-soft);
    border-radius: 16px;
    padding: 1.5rem;
    border: 1px solid var(--border-subtle);
}

#equity-chart-container h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

#chart-wrapper {
    position: relative;
    cursor: crosshair;
}

#equityChart {
    width: 100%;
    height: 280px;
    background: linear-gradient(180deg, var(--bg-main) 0%, var(--bg-card) 100%);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    display: block;
}

.chart-tooltip {
    position: absolute;
    background: var(--bg-card);
    border: 2px solid var(--primary);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.85rem;
    color: var(--text-main);
    font-weight: 600;
    font-family: 'Space Grotesk', sans-serif;
    white-space: nowrap;
    pointer-events: none;
    z-index: 100;
    box-shadow: var(--glow-soft);
    transform: translate(-50%, -40px);
}

.chart-tooltip::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-top: 8px solid var(--primary);
}

.panels-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 1024px) {
    .panels-grid { grid-template-columns: 1fr; }
}

.panel {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 1.5rem;
}

.panel-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.panel-subtitle {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 1.25rem;
}

.signals-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.signals-table thead {
    background: var(--bg-card-soft);
}

.signals-table th {
    padding: 0.85rem 0.75rem;
    text-align: left;
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-subtle);
}

.signals-table td {
    padding: 0.85rem 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
    color: var(--text-main);
}

.signals-table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.01);
}

.signals-table tbody tr:hover {
    background: var(--primary-dim);
}

.direction-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.6rem;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
}

.direction-badge.long {
    background: var(--primary-dim);
    color: var(--primary);
    border: 1px solid rgba(0, 196, 255, 0.3);
}

.direction-badge.short {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.confidence-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem 0.5rem;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 600;
}

.confidence-badge.high {
    background: var(--primary-dim);
    color: var(--primary);
}

.confidence-badge.medium {
    background: var(--accent-purple-soft);
    color: var(--accent-purple);
}

.confidence-badge.low {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.ai-recommendation {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ai-status {
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.85rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    width: fit-content;
}

.ai-status.neutral {
    background: var(--bg-card-soft);
    color: var(--text-muted);
    border: 1px solid var(--border-subtle);
}

.ai-status.long-bias {
    background: var(--primary-dim);
    color: var(--primary);
    border: 1px solid rgba(0, 196, 255, 0.3);
}

.ai-status.short-bias {
    background: rgba(239, 68, 68, 0.12);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.ai-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.ai-suggestions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.ai-suggestion-item {
    background: var(--bg-card-soft);
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
}

.ai-suggestion-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.3rem;
}

.ai-suggestion-value {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
}

.risk-health-panel {
    margin-top: 1.5rem;
}

.health-meter {
    margin-top: 1rem;
}

.health-bar-container {
    height: 12px;
    background: var(--bg-card-soft);
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

.health-bar {
    height: 100%;
    border-radius: 6px;
    transition: width 0.5s ease, background 0.3s ease;
}

.health-bar.very-safe { background: linear-gradient(90deg, #00C4FF, #00E5FF); width: 25%; }
.health-bar.safe { background: linear-gradient(90deg, #00E5FF, #8B5CF6); width: 50%; }
.health-bar.moderate { background: linear-gradient(90deg, #8B5CF6, #A855F7); width: 75%; }
.health-bar.high-risk { background: linear-gradient(90deg, #A855F7, #EF4444); width: 100%; }

.health-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    font-size: 0.65rem;
    color: var(--text-dim);
}

.health-status {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    font-weight: 600;
}

.health-status.very-safe { color: #00C4FF; }
.health-status.safe { color: #00E5FF; }
.health-status.moderate { color: #8B5CF6; }
.health-status.high-risk { color: #EF4444; }

.hidden { display: none !important; }

.loading-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border-subtle);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

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

#results-loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger);
    padding: 1.25rem;
    border-radius: 14px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

#results-placeholder {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-dim);
    background: var(--bg-card-soft);
    border-radius: 14px;
    border: 1px dashed var(--border-subtle);
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-dim);
    font-size: 0.8rem;
    border-top: 1px solid var(--border-subtle);
    margin-top: 2rem;
}

@media (max-width: 768px) {
    main { padding: 1.25rem; }
    header h1 { font-size: 1.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
    .ai-suggestions { grid-template-columns: 1fr; }
}

#provider-status-card {
    position: relative;
}

.provider-ok {
    background: var(--success-soft) !important;
    color: var(--success) !important;
    border-color: var(--success) !important;
}

.provider-degraded {
    background: rgba(239, 68, 68, 0.15) !important;
    color: var(--danger) !important;
    border-color: var(--danger) !important;
}

.provider-fallback-chain {
    margin-top: 0.75rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.25rem;
}

.chain-provider {
    padding: 0.2rem 0.5rem;
    background: var(--bg-card-soft);
    border-radius: 4px;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.65rem;
    letter-spacing: 0.03em;
}

.chain-provider.active {
    background: var(--primary-soft);
    color: var(--primary);
    border: 1px solid var(--primary);
}

.provider-last-check {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-dim);
}

.card-wide {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .card-wide {
        grid-column: span 1;
    }
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1rem;
}

@media (max-width: 640px) {
    .performance-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.perf-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-card-soft);
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    transition: all 0.2s ease;
}

.perf-stat:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
}

.perf-label {
    font-size: 0.65rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.35rem;
    font-weight: 500;
}

.perf-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
}

.perf-value.positive {
    color: var(--primary);
}

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

.perf-value.neutral {
    color: var(--text-muted);
}

.trading-balance-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin: 1rem 0;
}

.balance-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.5rem;
    background: var(--bg-card-soft);
    border-radius: 8px;
    border: 1px solid var(--border-subtle);
}

.balance-label {
    font-size: 0.6rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.balance-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.balance-value.positive {
    color: var(--primary);
}

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

.card-value.live-mode {
    color: var(--accent);
    text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

.exchange-info {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: -0.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.status-chip.live-badge {
    background: linear-gradient(135deg, var(--accent), #6366f1);
    color: white;
    font-weight: 600;
    box-shadow: 0 0 12px rgba(139, 92, 246, 0.4);
}

/* Global Back Bar - Uniform positioning across all pages */
.global-back-bar {
    background: rgba(15, 23, 42, 0.6);
    border-bottom: 1px solid rgba(71, 85, 105, 0.2);
}

.global-back-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 16px 2rem;
}

.global-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #64748b;
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.2s;
    cursor: pointer;
}

.global-back-link:hover {
    color: #3b82f6;
}

.global-back-link svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}