/* ==========================================
   Crypto Paper Trader — PIXEL ART STYLE 🎮
   8-bit retro arcade aesthetic
   ========================================== */

:root {
    --bg: #0a0a1a;
    --bg-card: #111128;
    --bg-card-hover: #1a1a3e;
    --bg-input: #0a0a1a;
    --border: #2a2a5a;
    --text: #e0e0ff;
    --text-dim: #7a7aaa;
    --green: #39ff14;
    --green-dim: #0a6e0a;
    --red: #ff2244;
    --red-dim: #8b0000;
    --cyan: #00ffff;
    --cyan-dim: #005555;
    --blue: #4488ff;
    --blue-dim: #1a3366;
    --yellow: #ffff00;
    --magenta: #ff00ff;
    --purple: #aa44ff;
    --orange: #ff8800;
    --radius: 0px;
    --radius-lg: 0px;
    --pixel-border: 2px solid;
    --glow-green: 0 0 8px rgba(57,255,20,0.4);
    --glow-red: 0 0 8px rgba(255,34,68,0.4);
    --glow-cyan: 0 0 8px rgba(0,255,255,0.4);
    --glow-blue: 0 0 8px rgba(68,136,255,0.4);
    --scanline: repeating-linear-gradient(
        0deg,
        rgba(0,0,0,0.15) 0px,
        rgba(0,0,0,0.15) 1px,
        transparent 1px,
        transparent 3px
    );
}

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

body {
    font-family: 'VT323', 'Courier New', monospace;
    background: var(--bg);
    color: var(--text);
    line-height: 1.4;
    min-height: 100vh;
    overflow-x: hidden;
    font-size: 18px;
    image-rendering: pixelated;
}

/* Scanline overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--scanline);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.3;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border: 1px solid var(--bg); }

/* ---- Header ---- */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    background: var(--bg-card);
    border-bottom: var(--pixel-border) var(--cyan);
    position: sticky;
    top: 0;
    z-index: 100;
    gap: 16px;
    flex-wrap: wrap;
    box-shadow: 0 4px 0 rgba(0,255,255,0.1);
}

.header-left, .header-right { display: flex; align-items: center; gap: 12px; }

.logo { display: flex; align-items: center; gap: 8px; }
.logo-icon {
    font-size: 28px;
    color: var(--yellow);
    text-shadow: 2px 2px 0 #886600, var(--glow-cyan);
    font-weight: 900;
}
.logo-text {
    font-size: 18px;
    font-weight: 900;
    font-family: 'Press Start 2P', monospace;
    letter-spacing: 1px;
    color: var(--cyan);
    text-shadow: 2px 2px 0 #004444;
}
.logo-badge {
    font-size: 8px;
    font-family: 'Press Start 2P', monospace;
    background: var(--magenta);
    color: #000;
    padding: 4px 8px;
    font-weight: 900;
    letter-spacing: 2px;
    border: 2px solid #fff;
    box-shadow: 2px 2px 0 rgba(0,0,0,0.5);
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.mode-selector { display: flex; gap: 4px; }
.mode-btn {
    background: var(--bg-card);
    border: var(--pixel-border) var(--border);
    color: var(--text-dim);
    padding: 8px 16px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'VT323', monospace;
    white-space: nowrap;
    transition: all 0.1s;
    position: relative;
}
.mode-btn:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: var(--glow-cyan);
}
.mode-btn.active {
    background: var(--cyan-dim);
    border-color: var(--cyan);
    color: #fff;
    box-shadow: inset 0 0 10px rgba(0,255,255,0.2), var(--glow-cyan);
}

.toggle-container { display: flex; align-items: center; gap: 8px; }
.toggle-label {
    font-size: 14px;
    color: var(--text-dim);
    font-family: 'Press Start 2P', monospace;
    font-size: 8px;
}
.toggle { position: relative; display: inline-block; width: 52px; height: 28px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0; cursor: pointer;
    background: var(--bg); border: var(--pixel-border) var(--red);
    transition: 0.2s;
}
.toggle-slider::before {
    content: ''; position: absolute; width: 20px; height: 20px;
    left: 2px; bottom: 2px;
    background: var(--red);
    transition: 0.2s;
}
.toggle input:checked + .toggle-slider { border-color: var(--green); }
.toggle input:checked + .toggle-slider::before {
    transform: translateX(24px);
    background: var(--green);
    box-shadow: var(--glow-green);
}

.status-dot {
    width: 12px; height: 12px;
    background: var(--red);
    border: 2px solid var(--red-dim);
    transition: all 0.2s;
}
.status-dot.connected {
    background: var(--green);
    border-color: var(--green-dim);
    box-shadow: var(--glow-green);
    animation: blink 1s infinite;
}

/* ---- Stats Grid ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    padding: 16px 24px;
}

.stat-card {
    background: var(--bg-card);
    border: var(--pixel-border) var(--border);
    padding: 16px;
    transition: all 0.2s;
    position: relative;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: -2px; left: -2px; right: -2px; bottom: -2px;
    background: transparent;
    border: 1px solid transparent;
    pointer-events: none;
}
.stat-card:hover {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan);
}
.stat-card:hover::before {
    border-color: var(--cyan);
}

.stat-label {
    font-size: 10px;
    font-family: 'Press Start 2P', monospace;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}
.stat-value {
    font-size: 28px;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
    color: var(--cyan);
    text-shadow: 1px 1px 0 #004444;
}
.stat-sub {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 4px;
}
.stat-positive { color: var(--green); text-shadow: var(--glow-green); }
.stat-negative { color: var(--red); text-shadow: var(--glow-red); }

/* ---- Cards ---- */
.card {
    background: var(--bg-card);
    border: var(--pixel-border) var(--border);
    margin: 0 24px 16px;
    overflow: hidden;
}
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: var(--pixel-border) var(--border);
    background: rgba(0,0,0,0.3);
}
.card-header h2 {
    font-size: 12px;
    font-family: 'Press Start 2P', monospace;
    font-weight: 400;
    letter-spacing: 1px;
}

.badge {
    background: var(--cyan-dim);
    color: var(--cyan);
    font-size: 12px;
    font-family: 'VT323', monospace;
    padding: 2px 10px;
    font-weight: 900;
    border: 1px solid var(--cyan);
}

.btn-sm {
    background: var(--bg);
    border: var(--pixel-border) var(--border);
    color: var(--text-dim);
    padding: 6px 14px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'VT323', monospace;
    transition: all 0.1s;
}
.btn-sm:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: var(--glow-cyan);
}

/* ---- Chart ---- */
.chart-container { padding: 16px; height: 300px; }
.chart-controls { display: flex; gap: 4px; }
.chart-btn {
    background: var(--bg);
    border: var(--pixel-border) var(--border);
    color: var(--text-dim);
    padding: 6px 14px;
    cursor: pointer;
    font-size: 16px;
    font-family: 'VT323', monospace;
    transition: all 0.1s;
}
.chart-btn.active {
    background: var(--cyan-dim);
    color: var(--cyan);
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan);
}

/* ---- Mode Comparison ---- */
.mode-comparison {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 0 24px 16px;
}
.mode-card {
    margin: 0;
    padding: 16px;
    cursor: pointer;
    transition: all 0.1s;
}
.mode-card:hover {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan);
}
.mode-card.active-mode {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan), inset 0 0 20px rgba(0,255,255,0.05);
}
.mode-card-header {
    font-size: 12px;
    font-family: 'Press Start 2P', monospace;
    margin-bottom: 12px;
    color: var(--cyan);
}
.mode-stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border);
}
.mode-stat:last-child { border-bottom: none; }
.mode-stat span:last-child {
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}

/* ---- Two Column Layout ---- */
.two-col {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 0;
    margin: 0 24px 16px;
}
.two-col .card { margin: 0 0 0 0; }
.two-col .card:first-child { margin-right: 8px; }
.two-col .card:last-child { margin-left: 8px; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 16px;
}
.data-table th {
    text-align: left;
    padding: 10px 14px;
    font-size: 10px;
    font-family: 'Press Start 2P', monospace;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--cyan);
    background: rgba(0,0,0,0.4);
    white-space: nowrap;
    position: sticky;
    top: 0;
    border-bottom: var(--pixel-border) var(--cyan);
}
.data-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}
.data-table tbody tr:hover { background: var(--bg-card-hover); }
.data-table .empty {
    text-align: center;
    color: var(--text-dim);
    padding: 32px;
    font-family: 'Press Start 2P', monospace;
    font-size: 10px;
}

.pnl-positive { color: var(--green); font-weight: 900; text-shadow: var(--glow-green); }
.pnl-negative { color: var(--red); font-weight: 900; text-shadow: var(--glow-red); }
.side-buy { color: var(--green); font-weight: 900; }
.side-sell { color: var(--red); font-weight: 900; }

/* ---- Signals ---- */
.signals-list { max-height: 400px; overflow-y: auto; }
.signal-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
    flex-wrap: wrap;
    cursor: pointer;
}
.signal-item:hover { background: var(--bg-card-hover); }
.signal-item:last-child { border-bottom: none; }
.signal-left { display: flex; flex-direction: column; gap: 2px; }
.signal-coin {
    font-weight: 900;
    font-size: 18px;
    font-family: 'Press Start 2P', monospace;
    font-size: 11px;
    color: var(--yellow);
    text-shadow: 1px 1px 0 #886600;
}
.signal-meta { font-size: 14px; color: var(--text-dim); }
.signal-right { text-align: right; }
.signal-score {
    font-size: 20px;
    font-weight: 900;
    width: 48px; height: 48px;
    display: flex; align-items: center; justify-content: center;
    border: var(--pixel-border);
    font-family: 'Press Start 2P', monospace;
    font-size: 12px;
}
.signal-price {
    font-size: 14px;
    color: var(--text-dim);
    margin-top: 4px;
}
.score-high { border-color: var(--green); color: var(--green); box-shadow: var(--glow-green); }
.score-med { border-color: var(--yellow); color: var(--yellow); }
.score-low { border-color: var(--red); color: var(--red); box-shadow: var(--glow-red); }

.risk-badge {
    font-size: 10px;
    padding: 2px 8px;
    font-weight: 900;
    text-transform: uppercase;
    font-family: 'Press Start 2P', monospace;
    font-size: 7px;
    border: 1px solid;
}
.risk-low { background: rgba(57,255,20,0.1); color: var(--green); border-color: var(--green); }
.risk-medium { background: rgba(255,255,0,0.1); color: var(--yellow); border-color: var(--yellow); }
.risk-high { background: rgba(255,34,68,0.1); color: var(--red); border-color: var(--red); }

/* ---- Close button ---- */
.btn-close-trade {
    background: rgba(255,34,68,0.1);
    border: var(--pixel-border) var(--red);
    color: var(--red);
    padding: 4px 12px;
    cursor: pointer;
    font-size: 14px;
    font-family: 'VT323', monospace;
    font-weight: 900;
    transition: all 0.1s;
}
.btn-close-trade:hover {
    background: var(--red);
    color: #000;
    box-shadow: var(--glow-red);
}

/* ---- Modal ---- */
.modal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.85);
    display: flex; align-items: center; justify-content: center;
    z-index: 1000;
}
.modal {
    background: var(--bg-card);
    border: var(--pixel-border) var(--cyan);
    width: 90%; max-width: 460px;
    padding: 0;
    box-shadow: 0 0 40px rgba(0,255,255,0.2);
}
.modal-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 16px 20px;
    border-bottom: var(--pixel-border) var(--cyan);
    background: rgba(0,0,0,0.3);
}
.modal-header h3 {
    font-size: 12px;
    font-family: 'Press Start 2P', monospace;
    color: var(--cyan);
}
.modal-close {
    background: none; border: none; color: var(--red);
    font-size: 28px; cursor: pointer; line-height: 1;
    font-family: 'VT323', monospace;
}
.modal-close:hover { color: #ff6666; }

#tradeForm { padding: 20px; }
.form-group { margin-bottom: 14px; }
.form-group label {
    display: block;
    font-size: 10px;
    font-family: 'Press Start 2P', monospace;
    color: var(--text-dim);
    margin-bottom: 6px;
    letter-spacing: 1px;
}
.form-group input, .form-group select {
    width: 100%; padding: 10px 12px;
    background: var(--bg-input);
    border: var(--pixel-border) var(--border);
    color: var(--text);
    font-size: 18px;
    font-family: 'VT323', monospace;
    outline: none;
    transition: border-color 0.1s;
}
.form-group input:focus, .form-group select:focus {
    border-color: var(--cyan);
    box-shadow: var(--glow-cyan);
}
.form-group input::placeholder { color: var(--text-dim); opacity: 0.5; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn-primary {
    width: 100%; padding: 14px;
    background: var(--cyan-dim);
    border: var(--pixel-border) var(--cyan);
    color: var(--cyan);
    font-size: 12px;
    font-family: 'Press Start 2P', monospace;
    cursor: pointer;
    transition: all 0.1s;
    letter-spacing: 1px;
}
.btn-primary:hover {
    background: var(--cyan);
    color: #000;
    box-shadow: var(--glow-cyan);
}

/* ---- FAB ---- */
.fab {
    position: fixed; bottom: 24px; right: 24px;
    width: 56px; height: 56px;
    border: var(--pixel-border) var(--green);
    background: var(--bg-card);
    color: var(--green);
    font-size: 32px;
    font-family: 'VT323', monospace;
    cursor: pointer;
    box-shadow: var(--glow-green);
    transition: all 0.1s;
    z-index: 50;
    display: flex; align-items: center; justify-content: center;
}
.fab:hover {
    background: var(--green);
    color: #000;
    box-shadow: 0 0 20px rgba(57,255,20,0.6);
}

/* ---- Toast ---- */
.toast-container {
    position: fixed; top: 72px; right: 24px;
    display: flex; flex-direction: column; gap: 8px;
    z-index: 200;
}
.toast {
    background: var(--bg-card);
    border: var(--pixel-border) var(--border);
    padding: 12px 16px;
    min-width: 280px;
    animation: slideIn 0.3s ease-out;
    box-shadow: 0 4px 0 rgba(0,0,0,0.5);
}
.toast-success { border-color: var(--green); box-shadow: var(--glow-green); }
.toast-error { border-color: var(--red); box-shadow: var(--glow-red); }
.toast-info { border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.toast-msg { font-size: 16px; }
.toast-title {
    font-weight: 900;
    font-size: 16px;
    margin-bottom: 2px;
}

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ---- Signal Analysis ---- */
.signal-analysis {
    display: none;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    width: 100%;
}
.signal-analysis.show { display: block; }
.analysis-header {
    font-size: 10px;
    font-family: 'Press Start 2P', monospace;
    color: var(--cyan);
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.analysis-text {
    font-size: 17px;
    line-height: 1.5;
    color: var(--text);
    background: rgba(0,0,0,0.3);
    padding: 14px;
    border-left: var(--pixel-border) var(--cyan);
    font-family: 'VT323', monospace;
}
.analysis-text strong {
    color: var(--yellow);
}

/* ---- Pixel Decorations ---- */
.pixel-border-top {
    border-top: var(--pixel-border) var(--cyan);
    box-shadow: 0 -2px 0 rgba(0,255,255,0.3);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .header { padding: 10px 12px; }
    .header-center { order: 3; width: 100%; }
    .mode-selector { width: 100%; justify-content: center; }
    .mode-btn { flex: 1; text-align: center; font-size: 14px; padding: 6px 8px; }
    .stats-grid { padding: 12px; gap: 8px; }
    .stat-card { padding: 12px; }
    .stat-value { font-size: 22px; }
    .card { margin: 0 12px 12px; }
    .two-col { grid-template-columns: 1fr; margin: 0 12px 12px; }
    .two-col .card:first-child { margin-right: 0; margin-bottom: 12px; }
    .two-col .card:last-child { margin-left: 0; }
    .mode-comparison { grid-template-columns: 1fr; margin: 0 12px 12px; }
    .chart-container { height: 200px; }
    .data-table { font-size: 14px; }
    .data-table th, .data-table td { padding: 8px 10px; }
    .fab { bottom: 16px; right: 16px; width: 48px; height: 48px; font-size: 28px; }
    .logo-text { font-size: 12px; }
}

@media (max-width: 480px) {
    .logo-text { display: none; }
    .stat-value { font-size: 18px; }
    .signal-item { padding: 10px 12px; }
    .signal-coin { font-size: 9px; }
}