: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: 70px;
    --sidebar-width: 280px;
    --orderbook-width: 300px;
}

/* Global Terminal Layout */
.terminal-container {
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 70px);
    background: var(--term-bg);
    color: var(--term-text);
}

.terminal-main {
    display: flex;
    flex: 1;
    height: 1300px; /* Precise height for perfect alignment */
    min-height: 1300px;
}

/* Sidebar & Coin List */
.terminal-sidebar {
    width: var(--sidebar-width);
    border-right: 1px solid var(--term-border);
    display: flex;
    flex-direction: column;
    background: var(--term-surface);
    height: 1300px;
    overflow: hidden;
}

.sidebar-tabs {
    flex: 0 0 55px;
    display: flex;
    padding: 6px;
    gap: 6px;
    border-bottom: 1px solid var(--term-border);
    background: #1e2329;
}

.sidebar-tabs .terminal-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--term-muted);
    text-decoration: none;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #0b0e11;
    border: 1px solid var(--term-border);
    gap: 2px;
}

.sidebar-tabs .terminal-tab i {
    font-size: 14px;
}

.sidebar-search {
    flex: 0 0 60px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--term-border);
    display: flex;
    align-items: center;
}

.coin-list-container {
    flex: 1;
    overflow-y: auto;
    scrollbar-width: none; 
    display: flex;
    flex-direction: column;
}

.coin-list {
    display: flex;
    flex-direction: column;
}

.coin-list-container::-webkit-scrollbar { display: none; }

.coin-row {
    height: 60px; 
    flex: 0 0 60px;
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

.sidebar-tabs .terminal-tab {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    color: var(--term-muted);
    text-decoration: none;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #0b0e11;
    border: 1px solid var(--term-border);
    gap: 4px;
}

.sidebar-tabs .terminal-tab i {
    font-size: 18px;
}

.sidebar-tabs .terminal-tab:hover {
    color: #fff;
    background: #2b3139;
    border-color: #474d57;
}

.sidebar-tabs .terminal-tab.active {
    background: linear-gradient(135deg, #0062ff, #00d2ff);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 98, 255, 0.4);
    border-color: rgba(255,255,255,0.2);
    transform: scale(1.02);
}

.sidebar-tabs .terminal-tab i {
    font-size: 20px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.sidebar-tabs .terminal-tab span {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Custom Alert - Premium Style */
.custom-alert {
    position: fixed;
    top: 30px;
    right: 30px;
    left: auto;
    transform: translateX(400px);
    z-index: 10000;
    background: rgba(30, 35, 41, 0.95);
    backdrop-filter: blur(15px);
    border: 1px solid var(--term-border);
    padding: 20px 30px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    min-width: 320px;
}

.custom-alert.show {
    transform: translateX(0);
    opacity: 1;
}

.custom-alert.error { border-right: 5px solid var(--term-danger); background: linear-gradient(90deg, rgba(30,35,41,0.95) 0%, rgba(239,83,80,0.05) 100%); }
.custom-alert.warning { border-right: 5px solid #f0b90b; background: linear-gradient(90deg, rgba(30,35,41,0.95) 0%, rgba(240,185,11,0.05) 100%); }
.custom-alert.info { border-right: 5px solid var(--term-primary); background: linear-gradient(90deg, rgba(30,35,41,0.95) 0%, rgba(0,98,255,0.05) 100%); }

.custom-alert i { 
    font-size: 28px; 
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.2));
}

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

.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;
}

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

.coin-row {
    height: 60px; /* Adjusted for better fit */
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}

/* Center Content */
.terminal-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--term-border);
    background: var(--term-bg);
    height: 1300px;
}

.terminal-header {
    height: 80px;
    border-bottom: 1px solid var(--term-border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 40px;
    background: #161a1e;
    z-index: 10;
}

.header-stats {
    display: flex;
    gap: 30px;
    align-items: center;
}

.header-stat {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.header-stat label {
    font-size: 11px;
    color: var(--term-muted);
    margin-bottom: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-stat span {
    font-size: 14px;
    font-weight: 700;
}

.trading-panels {
    height: 420px; 
    padding: 15px 15px;
    background: #1e2329;
    border-bottom: 1px solid var(--term-border);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cycle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 10px;
}

.cycle-btn {
    background: #0b0e11;
    border: 1px solid var(--term-border);
    border-radius: 8px;
    padding: 8px 4px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    height: 54px;
}

.cycle-btn .cycle-time {
    font-size: 13px;
    font-weight: 700;
    color: #fff;
}

.cycle-btn .cycle-profit {
    font-size: 11px;
    color: var(--term-success);
}

.cycle-btn.active {
    background: var(--term-primary);
    border-color: var(--term-primary);
    box-shadow: 0 4px 10px rgba(0, 98, 255, 0.3);
}

.cycle-btn.active .cycle-time, .cycle-btn.active .cycle-profit {
    color: #fff;
}

.amount-input-wrapper {
    position: relative;
    margin-bottom: 12px;
}

.amount-input-wrapper .form-control {
    background: #0b0e11 !important;
    border: 1px solid #2b3139 !important;
    color: #fff !important;
    height: 48px;
    font-size: 16px;
    padding-left: 15px;
}

.btn-buy-sell {
    height: 52px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 700;
    transition: all 0.2s;
}

.btn-buy-sell:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.4);
}

.order-form-container .btn {
    height: 48px;
    border-radius: 8px;
}

.input-wrapper {
    background: #0b0e11 !important;
    border: 1px solid #2b3139 !important;
    padding: 8px 12px;
}

.order-form-tabs .btn {
    height: 32px !important;
    font-size: 12px;
    border-radius: 6px !important;
}

.binary-order-panel, .order-form-container {
    width: 100%;
    max-width: none;
    margin: 0;
}

.section-title {
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--term-muted);
}

.cycle-btn {
    background: #0b0e11;
    border: 1px solid var(--term-border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.cycle-btn:hover {
    border-color: var(--term-primary);
    background: #1e2329;
}

.amount-input-wrapper .form-control {
    background: #0b0e11 !important;
    border: 1px solid var(--term-border) !important;
    color: #fff !important;
    height: 50px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 10px;
}

.quick-amounts .btn {
    background: #1e2329;
    border: 1px solid var(--term-border);
    font-weight: 600;
    transition: all 0.2s;
}

.quick-amounts .btn:hover {
    background: var(--term-primary);
    border-color: var(--term-primary);
}

.btn-buy-sell {
    height: 60px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.btn-buy-sell.btn-success {
    background: linear-gradient(135deg, #0ecb81, #26a69a);
    border: none;
}

.btn-buy-sell.btn-danger {
    background: linear-gradient(135deg, #f6465d, #ef5350);
    border: none;
}

.input-wrapper {
    background: #0b0e11 !important;
    border: 1px solid var(--term-border) !important;
    transition: border-color 0.3s;
}

.input-wrapper:focus-within {
    border-color: var(--term-primary) !important;
}
.coin-list-container::-webkit-scrollbar { display: none; }

.coin-row {
    height: 65.5px; /* Exactly 18 coins visible in 1180px */
    padding: 0 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    border-bottom: 1px solid rgba(255,255,255,0.02);
}
.coin-row:hover { background: rgba(255,255,255,0.05); }
.coin-row .symbol { font-weight: 600; font-size: 13px; }
.coin-row .price { font-size: 13px; font-weight: 500; }

/* Center Content */
.terminal-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--term-border);
    background: var(--term-bg);
    height: 1300px;
}

.terminal-chart {
    height: 550px !important;
    background: #000;
    position: relative;
    border-bottom: 1px solid var(--term-border);
}

.kline-container {
    height: 600px; 
    background: #000;
    position: relative;
    border-bottom: 1px solid var(--term-border);
}

.order-history {
    height: 320px;
    background: var(--term-surface);
    overflow-y: auto;
}

/* Order Book (Right Sidebar) */
.terminal-right-sidebar {
    width: var(--orderbook-width);
    background: var(--term-surface);
    height: 1300px;
}

.order-book {
    display: flex;
    flex-direction: column;
    height: 1300px;
    background: #0b0e11;
}

.ob-header {
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
    height: 40px;
    align-items: center;
    font-size: 11px;
    color: var(--term-muted);
    border-bottom: 1px solid var(--term-border);
}

.ob-list {
    height: 600px; /* 20 rows * 30px */
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ob-row {
    display: flex;
    justify-content: space-between;
    padding: 0 15px;
    height: 30px; 
    font-size: 12px;
    line-height: 30px;
    position: relative;
    cursor: pointer;
}
.ob-row:hover { background: rgba(255,255,255,0.05); }

.ob-mid-price {
    padding: 0 15px;
    background: rgba(0,0,0,0.3);
    border-top: 1px solid var(--term-border);
    border-bottom: 1px solid var(--term-border);
    height: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ob-mid-price .val { font-size: 18px; font-weight: 700; }

.ob-row-bg {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0.1;
}
.asks .price { color: var(--term-danger); }
.bids .price { color: var(--term-success); }
.asks .ob-row-bg { background: var(--term-danger); }
.bids .ob-row-bg { background: var(--term-success); }
.ob-row .price, .ob-row .amount { z-index: 2; }

/* Binary Panel Grid */
.cycle-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 15px;
}

.cycle-btn {
    background: #1e2329;
    border: 1px solid var(--term-border);
    color: var(--term-muted);
    padding: 8px 2px;
    font-size: 11px;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50px;
    cursor: pointer;
}

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

.btn-buy-sell {
    height: 55px;
    font-weight: bold;
    font-size: 16px;
    border-radius: 8px;
}

/* Mobile Adjustments */
/* Error Modal Premium */
.error-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 11000;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.error-modal-overlay.show { opacity: 1; }
.error-modal {
    background: #1e2329;
    width: 380px;
    padding: 40px 30px;
    border-radius: 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    transform: translateY(20px);
    transition: transform 0.3s ease;
}
.error-modal-overlay.show .error-modal { transform: translateY(0); }
.error-modal-icon {
    font-size: 60px;
    color: var(--term-danger);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 15px rgba(239,83,80,0.3));
}
.error-modal h4 { color: #fff; font-weight: 800; margin-bottom: 15px; letter-spacing: 1px; }
.error-modal p { color: var(--term-muted); margin-bottom: 30px; font-size: 15px; line-height: 1.6; }

@media (max-width: 768px) {
    .terminal-main {
        flex-direction: column;
        height: auto;
        min-height: auto;
        padding-bottom: 100px;
    }

    .terminal-sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        width: 80%;
        height: 100%;
        z-index: 1050;
        transition: left 0.3s;
    }

    .terminal-sidebar.active { left: 0; }

    .terminal-sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.7);
        z-index: 1040;
        display: none;
    }
    .terminal-sidebar-overlay.active { display: block; }

    .terminal-right-sidebar { display: none; }

    .kline-container { min-height: 400px; height: 400px; }
    
    .cycle-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Popup */
.order-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}
.order-popup {
    background: #1e2329;
    width: 360px;
    padding: 30px;
    border-radius: 24px;
    text-align: center;
    border: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.order-popup h5 {
    color: #fff;
    font-weight: 700;
    margin-bottom: 25px;
}
.countdown-circle {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
}
.countdown-circle svg { 
    width: 120px; 
    height: 120px; 
    transform: rotate(-90deg); 
}
.countdown-circle circle { 
    fill: none; 
    stroke-width: 8; 
}
.countdown-circle .bg { stroke: rgba(255,255,255,0.05); }
.countdown-circle .progress { 
    stroke: #0ecb81; 
    transition: stroke-dashoffset 0.1s linear; 
    stroke-linecap: round;
}
.countdown-circle .time-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 28px;
    font-weight: 800;
    color: #fff;
}
.popup-details {
    background: rgba(0,0,0,0.2);
    border-radius: 16px;
    padding: 15px;
    margin-bottom: 20px;
}
.popup-row { 
    display: flex; 
    justify-content: space-between; 
    margin-bottom: 10px; 
    font-size: 13px; 
}
.popup-row:last-child { margin-bottom: 0; }
.popup-row .label { color: #848e9c; }
.popup-row .value { color: #fff; font-weight: 600; }
.popup-footer {
    font-size: 12px;
    color: #848e9c;
}
.order-result-display {
    padding: 10px 0;
}