/* ===== RESET & BASE ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-card: #1c2128;
    --bg-input: #21262d;
    --border: #30363d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --accent: #00d4aa;
    --accent-hover: #00b894;
    --green: #00d4aa;
    --red: #ff4757;
    --blue: #627eea;
    --orange: #f7931a;
    --purple: #a855f7;
    --teal: #14b8a6;
    --sidebar-width: 260px;
}
body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ===== LOGIN ===== */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0d1117 0%, #161b22 50%, #1c2128 100%);
}
.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}
.login-step { display: none; }
.login-step.active { display: block; }
.login-header {
    text-align: center;
    margin-bottom: 30px;
}
.login-header i {
    font-size: 48px;
    color: var(--accent);
    margin-bottom: 15px;
    display: block;
}
.login-header h1 { font-size: 28px; margin-bottom: 5px; }
.login-header p { color: var(--text-secondary); }
.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
}

/* ===== FORMS ===== */
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}
.form-group label i { margin-right: 5px; }
.form-group input,
.form-input,
.form-select {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    transition: border-color 0.2s;
}
.form-group input:focus,
.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
}
.form-select { cursor: pointer; }
.form-row { display: flex; gap: 12px; }
.form-row .form-group { flex: 1; }

/* TOTP Input */
.totp-inputs { display: flex; align-items: center; justify-content: center; gap: 8px; }
.totp-digit {
    width: 48px;
    height: 56px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
}
.totp-digit:focus { border-color: var(--accent); outline: none; }
.totp-separator { font-size: 24px; color: var(--text-secondary); }
.divider {
    text-align: center;
    margin: 20px 0;
    position: relative;
}
.divider::before, .divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border);
}
.divider::before { left: 0; }
.divider::after { right: 0; }
.divider span {
    background: var(--bg-primary);
    padding: 0 12px;
    color: var(--text-secondary);
    font-size: 13px;
}

/* QR Code */
.qr-container { text-align: center; margin: 20px 0; }
.qr-container img {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    background: white;
    padding: 10px;
}
.qr-manual { color: var(--text-secondary); margin-top: 10px; font-size: 13px; }
.secret-code {
    display: inline-block;
    background: var(--bg-input);
    padding: 8px 16px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 14px;
    margin: 8px 0;
    letter-spacing: 2px;
}

/* Backup Codes */
.backup-codes-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin: 20px 0;
}
.backup-code {
    background: var(--bg-input);
    padding: 12px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 16px;
    text-align: center;
    letter-spacing: 2px;
}
.backup-actions { display: flex; gap: 10px; justify-content: center; margin: 15px 0; }
.backup-warning {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    padding: 12px 16px;
    border-radius: 8px;
    margin: 15px 0;
}
.backup-warning i { color: var(--red); font-size: 20px; }
.backup-warning p { color: var(--red); font-size: 13px; }

/* Error */
.error-msg {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--red);
    padding: 10px 14px;
    border-radius: 8px;
    margin-top: 12px;
    font-size: 14px;
}
.hidden { display: none !important; }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.btn i { font-size: 13px; }
.btn-primary { background: var(--accent); color: #000; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #e84040; }
.btn-success { background: var(--green); color: #000; }
.btn-success:hover { background: var(--accent-hover); }
.btn-full { width: 100%; justify-content: center; padding: 14px; font-size: 16px; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-xs { padding: 4px 8px; font-size: 12px; }
.btn-copy { padding: 4px 10px; font-size: 12px; background: var(--bg-input); color: var(--text-secondary); border: 1px solid var(--border); }

/* ===== APP LAYOUT ===== */
.app-layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    z-index: 100;
}
.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    font-size: 20px;
    font-weight: 700;
    border-bottom: 1px solid var(--border);
}
.sidebar-header i { color: var(--accent); font-size: 24px; }
.sidebar-menu {
    list-style: none;
    padding: 10px 0;
    flex: 1;
}
.sidebar-menu li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-secondary);
    font-size: 15px;
    transition: all 0.2s;
    border-left: 3px solid transparent;
}
.sidebar-menu li a:hover,
.sidebar-menu li.active a {
    color: var(--text-primary);
    background: rgba(0, 212, 170, 0.05);
    border-left-color: var(--accent);
}
.sidebar-menu li.active a { color: var(--accent); }
.sidebar-menu li a i { width: 20px; text-align: center; }
.sidebar-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
}
.bot-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-secondary);
}
.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.status-dot.online { background: var(--green); box-shadow: 0 0 6px var(--green); }
.status-dot.offline { background: var(--red); }

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: 0;
}

/* Top Bar */
.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}
.top-bar h2 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.top-bar h2 i { color: var(--accent); }
.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}
.live-clock {
    font-size: 13px;
    color: var(--text-secondary);
    font-family: monospace;
}

/* ===== STATS GRID ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    padding: 24px;
}
.stats-grid.stats-4 { grid-template-columns: repeat(4, 1fr); }
.stat-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    transition: border-color 0.2s;
}
.stat-card:hover { border-color: var(--accent); }
.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.stat-icon.green { background: rgba(0, 212, 170, 0.1); color: var(--green); }
.stat-icon.red { background: rgba(255, 71, 87, 0.1); color: var(--red); }
.stat-icon.blue { background: rgba(98, 126, 234, 0.1); color: var(--blue); }
.stat-icon.orange { background: rgba(247, 147, 26, 0.1); color: var(--orange); }
.stat-icon.purple { background: rgba(168, 85, 247, 0.1); color: var(--purple); }
.stat-icon.teal { background: rgba(20, 184, 166, 0.1); color: var(--teal); }
.stat-info h3 { font-size: 22px; font-weight: 700; }
.stat-info p { font-size: 13px; color: var(--text-secondary); }

/* ===== CHARTS ===== */
.charts-row {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
    padding: 0 24px 24px;
}
.chart-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
}
.chart-card.wide { margin: 0 24px 24px; }
.chart-card h3 {
    font-size: 15px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.chart-card h3 i { color: var(--accent); }
.chart-controls {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
}
.chart-controls .form-select {
    width: auto;
    padding: 6px 12px;
    font-size: 13px;
}

/* ===== CONTENT CARD ===== */
.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px;
    margin: 0 24px 24px;
}
.content-card h3 {
    font-size: 15px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.content-card h3 i { color: var(--accent); }

/* ===== TABLE ===== */
.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table thead th {
    text-align: left;
    padding: 12px 14px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.data-table tbody td {
    padding: 10px 14px;
    font-size: 14px;
    border-bottom: 1px solid rgba(48, 54, 61, 0.5);
}
.data-table tbody tr:hover { background: rgba(0, 212, 170, 0.03); }
.text-green { color: var(--green); }
.text-red { color: var(--red); }

/* Badge */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.badge-buy, .badge-long { background: rgba(0, 212, 170, 0.15); color: var(--green); }
.badge-sell, .badge-short { background: rgba(255, 71, 87, 0.15); color: var(--red); }
.badge-completed, .badge-won { background: rgba(0, 212, 170, 0.15); color: var(--green); }
.badge-cancelled, .badge-lost { background: rgba(255, 71, 87, 0.15); color: var(--red); }
.badge-active, .badge-pending { background: rgba(98, 126, 234, 0.15); color: var(--blue); }
.badge-open { background: rgba(247, 147, 26, 0.15); color: var(--orange); }

/* ===== SIGNALS GRID ===== */
.signals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.signal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    transition: border-color 0.2s;
}
.signal-card:hover { border-color: var(--accent); }
.signal-card.long { border-top: 3px solid var(--green); }
.signal-card.short { border-top: 3px solid var(--red); }
.signal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.signal-pair { font-size: 18px; font-weight: 700; }
.signal-body { font-size: 14px; }
.signal-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
}
.signal-row span { color: var(--text-secondary); }
.signal-progress { margin: 10px 0 6px; }
.progress-bar-track {
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    overflow: hidden;
}
.progress-bar {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.5s;
}
.signal-pnl { font-size: 18px; font-weight: 700; }
.signal-footer {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}
.signal-footer small { color: var(--text-secondary); }

/* ===== LOG STREAM ===== */
.log-stream {
    background: #000;
    border-radius: 8px;
    padding: 16px;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 13px;
    max-height: 300px;
    overflow-y: auto;
    line-height: 1.8;
}
.log-stream .log-line { padding: 2px 0; }
.log-stream .log-time { color: #666; }
.log-stream .log-info { color: var(--accent); }
.log-stream .log-warn { color: var(--orange); }
.log-stream .log-error { color: var(--red); }

/* ===== MODAL ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
}
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border);
}
.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 8px;
}
.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: 20px; }
.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border);
    text-align: right;
}

/* ===== PROGRESS ===== */
.progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 15px;
}
.progress-container .progress-bar-track { flex: 1; }

/* ===== PAGINATION ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
}
.pagination button {
    padding: 6px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    cursor: pointer;
}
.pagination button:hover, .pagination button.active {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
    font-size: 15px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .stats-grid.stats-4 { grid-template-columns: repeat(2, 1fr); }
    .charts-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid.stats-4 { grid-template-columns: repeat(2, 1fr); }
    .top-bar { flex-direction: column; gap: 10px; }
    .top-bar-actions { flex-wrap: wrap; }
}