* {
    box-sizing: border-box;
}

:root {
    --bg: #080b10;
    --panel: #0e131b;
    --panel2: #121923;
    --border: #222b38;
    --text: #e9eef5;
    --muted: #778292;
    --green: #19d98b;
    --red: #ff4d68;
    --blue: #4d8dff;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, Arial, Helvetica, sans-serif;
    min-height: 100vh;
}

/* TOP BAR */

.topbar {
    height: 72px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 26px;
    background: #0b0f15;
    position: sticky;
    top: 0;
    z-index: 20;
}

.brand {
    font-size: 17px;
    letter-spacing: 1px;
}

.brand strong {
    color: var(--green);
    font-size: 22px;
}

.room-info {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--muted);
}

.score-box {
    margin-left: auto;
    text-align: right;
    min-width: 150px;
}

.score-box span {
    display: block;
    font-size: 10px;
    color: var(--muted);
    letter-spacing: 1.5px;
}

.score-box strong {
    display: block;
    font-size: 22px;
    margin-top: 2px;
}

.score-box small {
    color: var(--green);
}

/* MAIN LAYOUT */

.game-layout {
    max-width: 1500px;
    margin: auto;
    padding: 22px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 310px;
    gap: 18px;
}

.market,
.panel,
.positions-panel {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 10px;
}

/* STOCK HEADER */

.stock-header {
    padding: 20px 22px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ticker {
    font-size: 25px;
    font-weight: 800;
    margin-right: 10px;
}

.company-name {
    color: var(--muted);
    font-size: 13px;
}

.current-price {
    text-align: right;
}

.current-price strong {
    font-size: 27px;
    display: block;
}

.current-price span {
    color: var(--green);
    font-size: 13px;
}

/* CHART */

.chart-panel {
    height: 430px;
    padding: 18px;
    position: relative;
    background:
        linear-gradient(rgba(255,255,255,.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.015) 1px, transparent 1px);
    background-size: 40px 40px;
}

#priceChart {
    width: 100% !important;
    height: 100% !important;
}

/* STOCK BUTTONS */

.stocks {
    display: flex;
    gap: 8px;
    padding: 12px 18px;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
}

.stock {
    border: 1px solid var(--border);
    background: var(--panel2);
    color: var(--muted);
    padding: 10px 22px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 700;
}

.stock:hover {
    color: white;
    border-color: #39465a;
}

.stock.active {
    background: rgba(25,217,139,.10);
    border-color: var(--green);
    color: var(--green);
}

/* TRADE PANEL */

.trade-panel {
    padding: 20px;
}

.trade-title {
    display: flex;
    justify-content: space-between;
    margin-bottom: 18px;
    font-size: 13px;
}

.trade-title span {
    color: var(--muted);
}

.trade-title b {
    color: white;
}

.trade-panel label {
    display: block;
    color: var(--muted);
    font-size: 12px;
    margin-bottom: 7px;
}

#quantity {
    width: 100%;
    background: #090d13;
    border: 1px solid var(--border);
    color: white;
    font-size: 19px;
    padding: 13px;
    border-radius: 6px;
    outline: none;
}

#quantity:focus {
    border-color: #53627a;
}

.quick-amounts {
    display: flex;
    gap: 7px;
    margin-top: 9px;
}

.quick-amounts button {
    flex: 1;
    padding: 7px;
    border: 1px solid var(--border);
    background: var(--panel2);
    color: var(--muted);
    border-radius: 5px;
    cursor: pointer;
}

.quick-amounts button:hover {
    color: white;
}

.estimate {
    margin: 18px 0;
    padding: 14px;
    background: #090d13;
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    justify-content: space-between;
}

.estimate span {
    color: var(--muted);
    font-size: 13px;
}

.estimate strong {
    font-size: 15px;
}

.trade-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.trade-buttons button {
    border: 0;
    padding: 14px;
    border-radius: 6px;
    font-weight: 800;
    cursor: pointer;
    font-size: 14px;
}

.trade-buttons small {
    display: block;
    margin-top: 4px;
    font-size: 10px;
    opacity: .7;
}

.buy {
    background: var(--green);
    color: #04120d;
}

.sell {
    background: var(--red);
    color: white;
}

.buy:hover,
.sell:hover {
    filter: brightness(1.08);
}

#tradeMessage {
    min-height: 18px;
    margin-top: 12px;
    font-size: 12px;
    color: var(--muted);
}

/* SIDEBAR */

.sidebar {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.panel {
    overflow: hidden;
}

.panel-title {
    padding: 15px 17px;
    border-bottom: 1px solid var(--border);
    font-size: 11px;
    color: var(--muted);
    letter-spacing: 1.2px;
    font-weight: 800;
}

.leaderboard-row {
    display: grid;
    grid-template-columns: 35px 1fr auto;
    align-items: center;
    padding: 13px 16px;
    border-bottom: 1px solid rgba(255,255,255,.04);
    font-size: 13px;
}

.leaderboard-row span:first-child {
    color: var(--muted);
}

.leaderboard-row span:last-child {
    font-weight: 700;
}

.market-status {
    padding-bottom: 15px;
}

.status-live {
    padding: 17px 17px 5px;
    color: var(--green);
    font-size: 13px;
    font-weight: 800;
}

.live-dot {
    width: 8px;
    height: 8px;
    display: inline-block;
    background: var(--green);
    border-radius: 50%;
    margin-right: 7px;
    box-shadow: 0 0 10px var(--green);
}

.market-status p {
    color: var(--muted);
    font-size: 12px;
    padding: 0 17px;
}

/* POSITIONS */

.positions-panel {
    grid-column: 1 / -1;
    overflow: hidden;
}

.positions-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 12px;
}

.positions-header span {
    color: var(--muted);
}

.position-columns,
.position-row {
    display: grid;
    grid-template-columns: 1fr 1fr .7fr 1fr 1fr 1fr 100px;
    align-items: center;
    gap: 10px;
}

.position-columns {
    padding: 11px 20px;
    background: #0a0e14;
    color: var(--muted);
    font-size: 10px;
}

.position-row {
    padding: 15px 20px;
    border-top: 1px solid rgba(255,255,255,.04);
    font-size: 13px;
}

.long {
    color: var(--green);
    font-weight: 800;
}

.short {
    color: var(--red);
    font-weight: 800;
}

.profit {
    color: var(--green);
}

.loss {
    color: var(--red);
}

.close-position {
    background: #1a222e;
    border: 1px solid #303b4a;
    color: white;
    padding: 8px 10px;
    border-radius: 5px;
    cursor: pointer;
}

.close-position:hover {
    border-color: var(--red);
    color: var(--red);
}

.empty-positions {
    padding: 35px;
    text-align: center;
    color: var(--muted);
    font-size: 13px;
}

/* BANKRUPTCY */

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(3,5,8,.92);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.overlay.hidden {
    display: none;
}

.bankrupt-box {
    width: 380px;
    max-width: 90%;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 12px;
    text-align: center;
    padding: 40px;
}

.skull {
    font-size: 55px;
}

.bankrupt-box h1 {
    color: var(--red);
    letter-spacing: 4px;
}

.bankrupt-box p {
    color: var(--muted);
}

#restartButton {
    width: 100%;
    margin-top: 25px;
    padding: 13px;
    background: var(--green);
    border: 0;
    border-radius: 6px;
    font-weight: 800;
    cursor: pointer;
}

/* RESPONSIVE */

@media (max-width: 900px) {

    .game-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        grid-row: auto;
    }

    .positions-panel {
        grid-column: auto;
    }

    .chart-panel {
        height: 330px;
    }

    .room-info {
        display: none;
    }

    .position-columns {
        display: none;
    }

    .position-row {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

@media (max-width: 550px) {

    .topbar {
        padding: 0 14px;
    }

    .brand {
        font-size: 12px;
    }

    .score-box strong {
        font-size: 17px;
    }

    .game-layout {
        padding: 8px;
    }

    .chart-panel {
        height: 280px;
    }

    .trade-buttons {
        grid-template-columns: 1fr;
    }

    .company-name {
        display: none;
    }
}