:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --border-color: rgba(48, 54, 61, 0.8);
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --accent-blue: #58a6ff;
    --accent-green: #3fb950;
    --accent-red: #f85149;
    --accent-yellow: #d29922;
    --glass-blur: blur(12px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
    display: flex;
}

/* Sidebar Styling */
.sidebar {
    width: 280px;
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    padding: 24px;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--accent-blue);
}

.ticker-list {
    flex: 1;
    overflow-y: auto;
    list-style: none;
}

.ticker-item {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.ticker-item:hover {
    background: rgba(88, 166, 255, 0.1);
    border-color: rgba(88, 166, 255, 0.3);
}

.ticker-item.active {
    background: var(--accent-blue);
    color: white;
}

/* Main Content area */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 40px;
    background: radial-gradient(circle at top right, rgba(88, 166, 255, 0.05), transparent 40%);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.title-group h1 {
    font-size: 2rem;
    margin-bottom: 4px;
}

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

/* Signal Card Styling */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: var(--glass-blur);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
}

.card.buy::before {
    background: var(--accent-green);
    box-shadow: 0 0 15px var(--accent-green);
}

.card.sell::before {
    background: var(--accent-red);
    box-shadow: 0 0 15px var(--accent-red);
}

.card.hold::before {
    background: var(--accent-yellow);
    box-shadow: 0 0 15px var(--accent-yellow);
}

.card:hover {
    transform: translateY(-4px);
    border-color: var(--accent-blue);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge.buy {
    background: rgba(63, 185, 80, 0.15);
    color: var(--accent-green);
}

.badge.sell {
    background: rgba(248, 81, 73, 0.15);
    color: var(--accent-red);
}

.badge.hold {
    background: rgba(210, 153, 34, 0.15);
    color: var(--accent-yellow);
}

.card.pulse-change {
    animation: borderPulse 2s infinite;
}

@keyframes borderPulse {
    0% {
        border-color: rgba(88, 166, 255, 0.2);
    }

    50% {
        border-color: rgba(88, 166, 255, 0.8);
    }

    100% {
        border-color: rgba(88, 166, 255, 0.2);
    }
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(88, 166, 255, 0.1);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.btn-primary,
.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent-blue);
    color: white;
    box-shadow: 0 4px 15px rgba(88, 166, 255, 0.3);
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

/* Interval Selector */
.interval-selector {
    display: flex;
    background: rgba(255, 255, 255, 0.03);
    padding: 4px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.interval-btn {
    padding: 6px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    border-radius: 8px;
    transition: var(--transition);
}

.interval-btn:hover {
    color: var(--text-primary);
}

.interval-btn.active {
    background: var(--accent-blue);
    color: white;
}

/* Chart Section */
.chart-section {
    margin-bottom: 32px;
    animation: fadeIn 0.8s ease-out;
}

.chart-card {
    height: 450px;
    width: 100%;
    padding: 24px;
}

canvas {
    width: 100% !important;
    height: 100% !important;
}

.indicator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 16px;
}

.indicator-item {
    padding: 8px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
}

.indicator-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 2px;
}

.indicator-value {
    font-weight: 600;
    font-size: 0.9rem;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.5s ease-out forwards;
}

/* Advanced Controls */
.control-group {
    background: rgba(255, 255, 255, 0.03);
    padding: 10px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

.params-inputs {
    display: flex;
    gap: 5px;
}

.params-inputs input {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 4px;
    width: 100%;
    font-size: 0.8rem;
}

.params-inputs input:focus {
    outline: none;
    border-color: var(--accent-blue);
}