:root {
    --term-bg: #0b0e11;
    --term-surface: #161a1e;
    --term-border: #2b3139;
    --term-text: #eaecef;
    --term-muted: #848e9c;
    --term-primary: #0062ff;
    --term-success: #26a69a;
    --term-danger: #ef5350;
    --header-height: 60px;
    --sidebar-width: 280px;
    --orderbook-width: 300px;
}

.terminal-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--term-bg);
    color: var(--term-text);
    overflow: hidden;
}

.sidebar-tabs {
    display: flex;
    height: 60px;
    border-bottom: 1px solid var(--term-border);
    background: var(--term-surface);
}

.sidebar-tabs .terminal-tab {
    flex: 1;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    border-right: 1px solid var(--term-border);
    color: var(--term-muted);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
}

.sidebar-tabs .terminal-tab:hover {
    color: var(--term-text);
    background: rgba(255,255,255,0.03);
}

.sidebar-tabs .terminal-tab.active {
    background: var(--term-bg);
    color: var(--term-primary);
    border-bottom: 2px solid var(--term-primary);
}

.sidebar-tabs .terminal-tab:last-child {
    border-right: none;
}

.sidebar-search {
    padding: 10px 12px;
    border-bottom: 1px solid var(--term-border);
    height: 60px;
    display: flex;
    align-items: center;
    background: var(--term-surface);
}

.sidebar-search input {
    background: #0b0e11;
    border: 1px solid var(--term-border);
    color: #fff;
    width: 100%;
    height: 38px;
    padding: 0 12px;
    border-radius: 4px;
    font-size: 12px;
    outline: none;
    transition: all 0.2s;
}

.content-header {
    height: 50px;
    border-bottom: 1px solid var(--term-border);
    display: flex;
    align-items: center;
    padding: 0 15px;
    gap: 20px;
    background: var(--term-surface);
}

.terminal-sidebar {
    width: var(--sidebar-width);
    border-right: 1px solid var(--term-border);
    display: flex;
    flex-direction: column;
    background: var(--term-surface);
}

.terminal-right-sidebar {
    width: var(--orderbook-width);
    border-left: 1px solid var(--term-border);
    background: var(--term-surface);
}


.sidebar-search input {
    background: #0b0e11;
    border: 1px solid var(--term-border);
    color: #fff;
    width: 100%;
    padding: 8px 15px;
    border-radius: 8px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.sidebar-search input:focus {
    border-color: var(--term-primary);
}

/* Order Book Beautification */
.order-book {
    display: flex;
    flex-direction: column;
    height: 100%;
    font-family: 'Roboto Mono', 'Noto Sans SC', monospace;
    background: #0b0e11;
}

.ob-header {
    display: flex;
    justify-content: space-between;
    padding: 12px 15px;
    font-size: 11px;
    color: #848e9c;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--term-border);
}

.ob-list {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.ob-row {
    display: flex;
    justify-content: space-between;
    padding: 2px 15px;
    font-size: 12px;
    position: relative;
    cursor: pointer;
}

.ob-mid-price {
    padding: 10px 15px;
    text-align: left;
    background: rgba(0,0,0,0.4);
    border-top: 1px solid var(--term-border);
    border-bottom: 1px solid var(--term-border);
}

.ob-mid-price .val {
    font-size: 18px;
    font-weight: 700;
    display: block;
}

.ob-row:hover {
    background: rgba(255,255,255,0.05);
}

.ob-row .price { font-weight: 600; z-index: 2; }
.asks .price { color: #f6465d; }
.bids .price { color: #0ecb81; }
.ob-row .amount { color: #eaecef; opacity: 0.9; z-index: 2; }

.ob-row-bg {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0.1;
    transition: width 0.3s ease;
}

.asks .ob-row-bg { background: #f6465d; }
.bids .ob-row-bg { background: #0ecb81; }

.ob-mid-price {
    padding: 15px;
    text-align: left;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid var(--term-border);
    border-bottom: 1px solid var(--term-border);
}

.ob-mid-price .val {
    font-size: 20px;
    font-weight: 700;
    display: block;
}


/* Order Panel Records */
.order-history table {
    border-collapse: separate;
    border-spacing: 0;
}

.order-history th {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.5px;
    color: var(--term-muted);
    padding: 10px;
}

.order-history td {
    padding: 12px 10px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}

.order-history tr:hover td {
    background: rgba(255,255,255,0.02);
}

.terminal-tab {
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    color: var(--term-muted);
    text-decoration: none !important;
    font-weight: 600;
    font-size: 14px;
    border-right: 1px solid var(--term-border);
    transition: all 0.2s;
}

.terminal-tab:hover {
    color: var(--term-text);
    background: rgba(255,255,255,0.05);
}

.terminal-tab.active {
    background: var(--term-bg);
    color: var(--term-primary);
    border-bottom: 2px solid var(--term-primary);
}

.terminal-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.terminal-sidebar {
    width: var(--sidebar-width);
    border-right: 1px solid var(--term-border);
    display: flex;
    flex-direction: column;
    background: var(--term-surface);
}

.sidebar-search {
    padding: 12px;
    border-bottom: 1px solid var(--term-border);
    height: 60px;
    display: flex;
    align-items: center;
}

.sidebar-search input {
    background: #2b3139;
    border: 1px solid var(--term-border);
    color: #fff;
    width: 100%;
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 13px;
    outline: none;
}

.coin-list-container {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none; 
    -ms-overflow-style: none;
}
.coin-list-container::-webkit-scrollbar {
    display: none;
}

.coin-row {
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.02);
    transition: background 0.2s;
}
.coin-row:hover {
    background: rgba(255,255,255,0.05);
}
.coin-row img {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}
.coin-row .symbol {
    font-weight: 600;
    font-size: 13px;
}
.coin-row .change {
    font-size: 11px;
    margin-left: 5px;
}
.coin-row .price {
    font-size: 13px;
    font-weight: 500;
}

.terminal-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--term-border);
}

.content-header {
    height: 60px;
    border-bottom: 1px solid var(--term-border);
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 30px;
}

.kline-container {
    flex: 1;
    min-height: 400px;
    background: #000;
}

.trading-panels {
    padding: 20px;
    background: var(--term-surface);
}

.order-history {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none;
}
.order-history::-webkit-scrollbar {
    display: none;
}

/* Binary Order Panel */
.cycle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: var(--term-border);
    border: 1px solid var(--term-border);
    border-radius: 4px;
    overflow: hidden;
}

.cycle-btn {
    background: var(--term-bg);
    border: none;
    color: var(--term-muted);
    padding: 12px 5px;
    font-size: 11px;
    font-weight: 600;
    transition: all 0.2s;
}

.cycle-btn:hover {
    background: rgba(255,255,255,0.05);
    color: var(--term-text);
}

.cycle-btn.active {
    background: var(--term-primary);
    color: #fff;
}

.amount-input-wrapper input {
    height: 50px;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    border-radius: 8px;
}

.section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--term-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.quick-amounts .btn {
    font-weight: 600;
    background: #2b3139;
    border: none;
}

.quick-amounts .btn:hover {
    background: #3b424c;
}

.binary-order-panel {
    background: var(--term-surface);
    border-radius: 12px;
}