*,
*::before,
*::after { box-sizing: border-box; }

body.trade-platform-body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: #f3f4f6;
    color: #111827;
    min-height: 100vh;
}

.tp-app {
    max-width: 1100px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #fff;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.06);
}

.tp-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 14px 16px 8px;
    border-bottom: 1px solid #e5e7eb;
}

.tp-pair-select { display: flex; flex-direction: column; gap: 6px; }

.tp-pair-select select {
    border: 1px solid #d1d5db;
    border-radius: 8px;
    padding: 8px 32px 8px 12px;
    font-size: 15px;
    font-weight: 600;
    background: #fff;
    min-width: 140px;
}

.tp-pair-meta { font-size: 11px; color: #6b7280; }
.tp-pair-meta .live { color: #16a34a; font-weight: 600; }

.tp-ai-btn {
    align-self: flex-start;
    background: #22c55e;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
}

.tp-auto-trade {
    background: linear-gradient(135deg, #a855f7, #ec4899);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(168, 85, 247, 0.35);
}

.tp-auto-trade.active { box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.25); }

.tp-chart-wrap {
    position: relative;
    flex: 1 1 auto;
    width: 100%;
    min-height: 420px;
    height: clamp(420px, 58vh, 720px);
    background: #141a24;
    overflow: hidden;
}

#tp-chart {
    position: absolute;
    inset: 0;
    width: 100% !important;
    height: 100% !important;
    min-height: 420px;
    z-index: 1;
}

.tp-chart-toolbar {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    padding: 4px 6px;
    z-index: 5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.tp-chart-toolbar button {
    border: none;
    background: transparent;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    cursor: pointer;
    color: #6b7280;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tp-chart-toolbar button i {
    font-size: 16px;
    line-height: 1;
    display: inline-block;
}

.tp-chart-toolbar button.active { background: #fef3c7; color: #ca8a04; }

.tp-draw-wrap {
    position: relative;
}

.tp-draw-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 150px;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 20;
}

.tp-draw-menu[hidden] {
    display: none;
}

.tp-draw-menu button {
    width: 100%;
    height: auto;
    padding: 8px 10px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: #374151;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: flex-start;
}

.tp-draw-menu button:hover {
    background: #f3f4f6;
}

.tp-draw-menu button.active {
    background: #fef3c7;
    color: #ca8a04;
}

.tp-draw-menu button.danger {
    color: #dc2626;
}

.tp-draw-menu button.danger:hover {
    background: #fef2f2;
}

.tp-chart-wrap.drawing-mode {
    cursor: crosshair;
}

.tp-chart-wrap.drawing-mode #tp-chart {
    cursor: crosshair;
}

.tp-chart-toolbar .tp-indicators {
    width: auto;
    padding: 0 10px;
    font-size: 12px;
    font-weight: 600;
}

.tp-markers-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: visible;
    z-index: 4;
}

.tp-trade-marker {
    position: absolute;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 2;
}

.tp-trade-marker.pop-in {
    animation: tp-marker-pop 0.55s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes tp-marker-pop {
    0% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(0.2);
    }
    70% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.12);
    }
    100% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
}

.tp-marker-avatar-wrap {
    position: relative;
    width: 38px;
    height: 38px;
}

.tp-marker-glow {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(34, 197, 94, 0.55) 0%, rgba(34, 197, 94, 0) 70%);
    animation: tp-glow-pulse 2s ease-in-out infinite;
}

.tp-marker-avatar-wrap.sell .tp-marker-glow {
    background: radial-gradient(circle, rgba(239, 68, 68, 0.55) 0%, rgba(239, 68, 68, 0) 70%);
}

@keyframes tp-glow-pulse {
    0%, 100% { opacity: 0.7; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.08); }
}

.tp-marker-avatar {
    position: relative;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: #1f2937;
    border: 2px solid #fff;
    object-fit: cover;
    display: block;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

.tp-marker-badge {
    position: absolute;
    top: -4px;
    right: -6px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #22c55e;
    border: 2px solid #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    color: #fff;
    font-weight: 700;
    line-height: 1;
}

.tp-marker-badge.sell {
    background: #ef4444;
}

.tp-marker-badge.sell span {
    display: inline-block;
    transform: rotate(180deg);
}

.tp-marker-amount {
    margin-top: 5px;
    background: linear-gradient(180deg, #14532d 0%, #166534 100%);
    color: #ecfdf5;
    font-size: 11px;
    font-weight: 800;
    padding: 3px 9px;
    border-radius: 6px;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    letter-spacing: 0.02em;
}

.tp-trade-marker .tp-marker-avatar-wrap.sell + .tp-marker-amount {
    background: linear-gradient(180deg, #7f1d1d 0%, #991b1b 100%);
    color: #fef2f2;
}

.tp-drag-hint {
    position: absolute;
    right: 12px;
    bottom: 8px;
    font-size: 11px;
    color: #9ca3af;
    pointer-events: none;
}

.tp-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 14px 16px 18px;
    border-top: 1px solid #e5e7eb;
}

.tp-input-card {
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 10px 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tp-input-card label { display: block; font-size: 11px; color: #6b7280; margin-bottom: 2px; }
.tp-input-value { font-size: 18px; font-weight: 700; }

.tp-step-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #fff;
    font-size: 18px;
    cursor: pointer;
}

.tp-trade-row { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.tp-trade-btn {
    border: none;
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.tp-trade-btn .arrow { font-size: 22px; }
.tp-trade-btn .payout { font-size: 13px; font-weight: 600; }
.tp-sell { background: linear-gradient(180deg, #ef4444, #dc2626); }
.tp-buy { background: linear-gradient(180deg, #22c55e, #16a34a); }

.tp-toast {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: #111827;
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 13px;
    z-index: 100;
    opacity: 0;
    transition: opacity 0.25s;
}

.tp-toast.show { opacity: 1; }

@media (max-width: 640px) {
    .tp-app { max-width: 100%; }
    .tp-chart-wrap, #tp-chart { min-height: 320px; }
}