:root {
    --bg-dark: #07080e;
    --card-bg: rgba(13, 15, 28, 0.72);
    --border-color: rgba(255, 255, 255, 0.08);
    --primary-gradient: linear-gradient(135deg, #7c4dff 0%, #00e5ff 100%);
    --neon-purple: #7c4dff;
    --neon-blue: #00b0ff;
    --neon-green: #00e676;
    --neon-red: #ff1744;
    --neon-orange: #ff9100;
    --text-primary: #f5f6fa;
    --text-secondary: #a0a5c0;
    --font-main: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --shadow-glow: 0 8px 32px 0 rgba(0, 229, 255, 0.15);
}

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

body {
    background-color: var(--bg-dark);
    font-family: var(--font-main);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

/* Beautiful space ambient background */
.glass-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: 
        radial-gradient(circle at 10% 20%, rgba(124, 77, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(0, 229, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 50% 50%, #0e101f 0%, #06070c 100%);
}

.app-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* HEADER */
.glass-header {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 16px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    font-size: 28px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px rgba(0, 229, 255, 0.4));
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 2px;
    color: #fff;
    line-height: 1.1;
}

.logo-text span {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 1.5px;
}

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

.status-badge {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-blue);
    position: relative;
}

.pulse-dot.active {
    background: var(--neon-green);
    box-shadow: 0 0 10px var(--neon-green);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 14px var(--neon-green); }
    100% { transform: scale(0.9); opacity: 0.8; }
}

.server-status {
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
}

.server-status.connected {
    color: var(--neon-green);
    filter: drop-shadow(0 0 4px rgba(0, 230, 118, 0.4));
}

/* CARDS */
.card {
    background: var(--card-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    border-color: rgba(255, 255, 255, 0.15);
}

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

.card-header h2 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
    letter-spacing: 0.5px;
}

.card-header h2 i {
    font-size: 18px;
}

/* Icons colors */
.icon-purple { color: var(--neon-purple); }
.icon-blue { color: var(--neon-blue); }
.icon-green { color: var(--neon-green); }
.icon-orange { color: var(--neon-orange); }

/* BUTTONS */
.btn {
    border: none;
    outline: none;
    font-family: var(--font-main);
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-control {
    padding: 10px 20px;
    font-size: 14px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-start {
    background: linear-gradient(135deg, #3d5afe 0%, #00b0ff 100%);
    box-shadow: 0 4px 15px rgba(0, 176, 255, 0.3);
}

.btn-start:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 176, 255, 0.4);
}

.btn-stop {
    background: linear-gradient(135deg, #d50000 0%, #ff1744 100%);
    box-shadow: 0 4px 15px rgba(255, 23, 68, 0.3);
}

.btn-stop:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 23, 68, 0.4);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

/* GRID LAYOUT */
.dashboard-grid {
    display: grid;
    grid-template-columns: 360px 1fr 380px;
    gap: 24px;
}

/* PORTFOLIO SECTION */
.portfolio-section {
    display: flex;
    flex-direction: column;
}

.asset-total {
    background: linear-gradient(135deg, rgba(124, 77, 255, 0.08) 0%, rgba(0, 229, 255, 0.05) 100%);
    border: 1px solid rgba(124, 77, 255, 0.15);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
    text-align: center;
}

.asset-total .label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
    display: block;
}

.asset-total h3 {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    text-shadow: 0 0 10px rgba(124, 77, 255, 0.3);
}

.asset-total h3 span {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
}

.asset-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.asset-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.coin-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.coin-icon.krw {
    background: rgba(0, 230, 118, 0.12);
    color: var(--neon-green);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.coin-icon.btc {
    background: rgba(255, 145, 0, 0.12);
    color: var(--neon-orange);
    border: 1px solid rgba(255, 145, 0, 0.2);
}

.coin-icon.sol {
    background: rgba(0, 229, 255, 0.12);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 229, 255, 0.2);
}

.coin-icon.doge {
    background: rgba(255, 145, 0, 0.12);
    color: var(--neon-orange);
    border: 1px solid rgba(255, 145, 0, 0.2);
}

.coin-icon.xrp {
    background: rgba(124, 77, 255, 0.12);
    color: var(--neon-purple);
    border: 1px solid rgba(124, 77, 255, 0.2);
}

.asset-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
}

.asset-info span {
    font-size: 11px;
    color: var(--text-secondary);
}

.asset-value {
    text-align: right;
}

.asset-value .val-main {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    display: block;
}

.asset-value .val-sub {
    font-size: 11px;
    color: var(--text-secondary);
}

/* CHART & CONFIG SECTION */
.chart-section {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.price-ticker {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.03);
    padding: 8px 16px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

#current-pair {
    font-size: 12px;
    font-weight: 700;
    color: var(--neon-orange);
}

.price-ticker h3 {
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    font-family: var(--font-mono);
}

.chart-container {
    width: 100%;
    height: 320px;
    margin: 20px 0;
    position: relative;
}

.strategy-config-panel {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 16px;
}

.panel-row {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.input-group label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.input-group select, .input-group input {
    background: #0f111f;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 10px 14px;
    color: #fff;
    font-family: var(--font-main);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.input-group select:focus, .input-group input:focus {
    border-color: var(--neon-purple);
}

.btn-save {
    padding: 10px 20px;
    font-size: 14px;
    color: #fff;
    background: linear-gradient(135deg, var(--neon-purple) 0%, #aa00ff 100%);
    box-shadow: 0 4px 15px rgba(124, 77, 255, 0.3);
}

.btn-save:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(124, 77, 255, 0.4);
}

.strategy-detail-bar {
    font-size: 12px;
    color: var(--neon-blue);
    font-family: var(--font-mono);
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

/* TERMINAL SECTION */
.terminal-section {
    display: flex;
    flex-direction: column;
}

.terminal-badge {
    background: rgba(0, 230, 118, 0.1);
    color: var(--neon-green);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.terminal-body {
    background: #06070c;
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 16px;
    font-family: var(--font-mono);
    font-size: 12px;
    height: 480px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
    scrollbar-width: thin;
}

.terminal-body::-webkit-scrollbar {
    width: 6px;
}

.terminal-body::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.log-line {
    line-height: 1.5;
    word-break: break-all;
}

.log-time {
    color: #4f5573;
    margin-right: 8px;
}

.log-line.info .log-msg { color: #d0d3e3; }
.log-line.warn .log-msg { color: var(--neon-orange); }
.log-line.error .log-msg { color: var(--neon-red); }

/* BOTTOM HISTORY TABLE */
.history-section {
    margin-top: 8px;
}

.history-count {
    background: rgba(255, 145, 0, 0.1);
    color: var(--neon-orange);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 145, 0, 0.2);
}

.table-responsive {
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 13px;
}

.history-table th {
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.history-table td {
    padding: 14px 16px;
    color: var(--text-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.history-table tr:hover td {
    background: rgba(255, 255, 255, 0.01);
}

.side-badge {
    padding: 4px 8px;
    border-radius: 6px;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
}

.side-badge.buy {
    background: rgba(0, 230, 118, 0.15);
    color: var(--neon-green);
    border: 1px solid rgba(0, 230, 118, 0.2);
}

.side-badge.sell {
    background: rgba(255, 23, 68, 0.15);
    color: var(--neon-red);
    border: 1px solid rgba(255, 23, 68, 0.2);
}

.no-data {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px !important;
}

/* RESPONSIVENESS */
@media (max-width: 1400px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}