:root {
    --bg-dark: #0a0e17;
    --bg-panel: rgba(22, 30, 46, 0.6);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.5);
    --buy-color: #10b981;
    --buy-hover: #059669;
    --sell-color: #ef4444;
    --sell-hover: #dc2626;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    height: 100vh;
    overflow: hidden;
    /* Subtle background gradient */
    background: radial-gradient(circle at 15% 50%, rgba(20, 30, 50, 1), var(--bg-dark) 50%);
}

.app-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 48px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    border-radius: 8px;
    box-shadow: 0 0 15px var(--accent-glow);
}

nav ul {
    list-style: none;
    flex-grow: 1;
}

nav li {
    padding: 12px 16px;
    margin-bottom: 8px;
    border-radius: 8px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
}

nav li:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

nav li.active {
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    font-weight: 500;
}

.broker-status {
    margin-top: auto;
    padding: 12px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.2);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.broker-status.connected span {
    color: var(--buy-color);
    animation: pulse 2s infinite;
}

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

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    padding: 24px;
    gap: 24px;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-panel);
    padding: 16px 24px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

select {
    background: rgba(0,0,0,0.3);
    color: white;
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    outline: none;
    cursor: pointer;
}

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

.bot-off {
    background: transparent;
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}
.bot-on {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 8px 16px;
    border-radius: 8px;
    box-shadow: 0 0 10px var(--accent-glow);
    cursor: pointer;
    font-weight: bold;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.stat .label {
    font-size: 12px;
    color: var(--text-muted);
}

.stat .value {
    font-size: 20px;
    font-weight: 600;
    color: var(--buy-color);
}

/* Chart Container */
.chart-container {
    flex-grow: 1;
    background: var(--bg-panel);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 16px;
    backdrop-filter: blur(10px);
    position: relative;
}

#tvchart {
    width: 100%;
}
#rsi-chart {
    width: 100%;
}

/* Bottom Panel */
.bottom-panel {
    display: flex;
    gap: 24px;
    height: 250px;
}

.positions-widget {
    flex-grow: 1;
    background: var(--bg-panel);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 20px;
    backdrop-filter: blur(10px);
    overflow-y: auto;
}

.positions-widget h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
}

td {
    font-size: 14px;
}

.profit { color: var(--buy-color); }
.loss { color: var(--sell-color); }

.order-widget {
    width: 320px;
    background: var(--bg-panel);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 20px;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
}

.order-widget h3 {
    font-size: 16px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.input-group label {
    font-size: 12px;
    color: var(--text-muted);
}

.input-group input {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    color: white;
    padding: 12px;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    outline: none;
    transition: border 0.3s;
}

.input-group input:focus {
    border-color: var(--accent);
}

.action-buttons {
    display: flex;
    gap: 12px;
}

.btn {
    flex: 1;
    padding: 14px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.buy-btn {
    background: var(--buy-color);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.buy-btn:hover {
    background: var(--buy-hover);
    transform: translateY(-2px);
}

.sell-btn {
    background: var(--sell-color);
    box-shadow: 0 4px 15px rgba(239, 68, 68, 0.2);
}

.sell-btn:hover {
    background: var(--sell-hover);
    transform: translateY(-2px);
}

.order-status {
    margin-top: 16px;
    font-size: 12px;
    text-align: center;
    min-height: 20px;
}