:root {
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: #1a2235;
    --bg-hover: #243049;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --green: #10b981;
    --red: #ef4444;
    --yellow: #f59e0b;
    --border: #2d3748;
    --sidebar-width: 240px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
}

.app { 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;
    padding: 1.5rem 0 0;
    position: fixed;
    height: 100vh;
    overflow: hidden;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0 1.5rem 2rem;
    font-size: 1.25rem;
    font-weight: 700;
}

.logo-icon { font-size: 1.5rem; }

.nav-links {
    list-style: none;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.nav-links li {
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s;
    border-left: 3px solid transparent;
}

.nav-links li:hover { background: var(--bg-hover); color: var(--text-primary); }
.nav-links li.active {
    color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
    border-left-color: var(--accent);
}

.bot-control {
    flex-shrink: 0;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.bot-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
}

.status-dot.running {
    background: var(--green);
    animation: pulse 2s infinite;
}

.status-dot.scanning {
    background: var(--yellow);
    animation: pulse 1s infinite;
}

.bot-substatus {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
    line-height: 1.4;
    min-height: 2.8em;
}

.activity-panel {
    margin-bottom: 2rem;
    padding: 1.25rem;
}

.activity-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.activity-header h3 { font-size: 1.1rem; }

.auto-refresh-badge {
    font-size: 0.75rem;
    color: var(--green);
    background: rgba(16, 185, 129, 0.12);
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}

.activity-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.activity-stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.75rem;
}

.activity-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
}

.activity-value {
    font-size: 0.9rem;
    font-weight: 600;
}

.activity-value.scanning { color: var(--yellow); }
.activity-value.active { color: var(--green); }
.activity-value.idle { color: var(--text-secondary); }

.activity-log {
    max-height: 220px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
}

.activity-empty {
    padding: 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-align: center;
}

.activity-item {
    display: flex;
    gap: 0.75rem;
    padding: 0.6rem 0.85rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.82rem;
    align-items: flex-start;
}

.activity-item:last-child { border-bottom: none; }

.activity-time {
    color: var(--text-secondary);
    white-space: nowrap;
    min-width: 4.5rem;
    font-size: 0.75rem;
}

.activity-msg { flex: 1; }
.activity-msg.trade { color: var(--accent); font-weight: 600; }
.activity-msg.error { color: var(--red); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Content */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
}

.page { display: none; }
.page.active { display: block; }

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 { font-size: 1.75rem; font-weight: 700; }

.header-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: flex-end;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
}

.stat-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
}

.positive { color: var(--green); }
.negative { color: var(--red); }

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
}

.card h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.mt { margin-top: 1.5rem; }

/* Buttons */
.btn {
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-start { background: var(--green); color: white; width: 100%; }
.btn-stop { background: var(--red); color: white; width: 100%; margin-top: 0.5rem; }
.btn-buy { background: var(--green); color: white; }
.btn-sell { background: var(--red); color: white; }

.hidden { display: none !important; }

.fatal-error {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--red);
    color: white;
    padding: 0.75rem 1rem;
    text-align: center;
    font-weight: 600;
}

/* Tables */
.market-table, .positions-table, .trades-table {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

th, td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

tr:hover { background: var(--bg-hover); }

/* Signal badges */
.signal-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.signal-strong_buy, .signal-buy { background: rgba(16, 185, 129, 0.2); color: var(--green); }
.signal-strong_sell, .signal-sell { background: rgba(239, 68, 68, 0.2); color: var(--red); }
.signal-neutral { background: rgba(148, 163, 184, 0.2); color: var(--text-secondary); }

/* Signal list */
.signal-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
}

.signal-item:last-child { border-bottom: none; }

.signal-info { display: flex; flex-direction: column; gap: 0.15rem; }
.signal-symbol { font-weight: 600; }
.signal-detail { font-size: 0.8rem; color: var(--text-secondary); }

/* Forms */
input, textarea {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    font-size: 0.875rem;
    width: 100%;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.manual-trade-form {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.manual-trade-form input { flex: 1; max-width: 200px; }

.analyze-search {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.analyze-search input { max-width: 300px; }

.reasons-list {
    list-style: none;
    padding: 0;
}

.reasons-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-secondary);
}

.reasons-list li::before {
    content: "→ ";
    color: var(--accent);
}

.placeholder {
    color: var(--text-secondary);
    text-align: center;
    padding: 2rem;
}

.info-grid {
    display: grid;
    gap: 0.75rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1rem 1.5rem;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast.success { border-color: var(--green); }
.toast.error { border-color: var(--red); }

@keyframes slideIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.mode-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    margin: 0 1rem 1rem;
    padding: 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.8rem;
}

.mode-badge.production {
    border-color: var(--red);
    background: rgba(239, 68, 68, 0.08);
}

.mode-badge.sandbox {
    border-color: var(--green);
    background: rgba(16, 185, 129, 0.08);
}

.bot-tabs {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin: 0 1rem 0.75rem;
    flex-shrink: 0;
}

.bot-tab {
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 0.55rem 0.75rem;
    font-size: 0.82rem;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
}

.bot-tab:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.bot-tab.active {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    font-weight: 600;
}

.bot-tab.running::after {
    content: ' ●';
    color: var(--green);
}

.mode-label { display: block; font-weight: 700; font-size: 0.85rem; }
.mode-desc { color: var(--text-secondary); font-size: 0.75rem; }

.mode-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.mode-option {
    border: 2px solid var(--border);
    border-radius: 12px;
    padding: 1.25rem;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-option:hover { border-color: var(--accent); }
.mode-option.active { border-color: var(--accent); background: rgba(59, 130, 246, 0.08); }
.mode-option.production-active { border-color: var(--red); background: rgba(239, 68, 68, 0.08); }

.mode-option-header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; }
.mode-option p { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 0.75rem; }
.mode-features { list-style: none; font-size: 0.8rem; color: var(--text-secondary); }
.mode-features li { padding: 0.15rem 0; }

.mode-actions { display: flex; gap: 0.75rem; margin-top: 0.5rem; }

.connection-status {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    font-size: 0.85rem;
    line-height: 1.4;
}

.connection-status.loading {
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid var(--accent, #3b82f6);
    color: var(--text-primary);
}

.connection-status.ok { background: rgba(16, 185, 129, 0.15); border: 1px solid var(--green); color: var(--green); }
.connection-status.error { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--red); color: var(--red); }

.hint { color: var(--text-secondary); font-size: 0.85rem; margin-bottom: 0.75rem; }

.btn-secondary { background: var(--bg-hover); color: var(--text-primary); border: 1px solid var(--border); }

.header-actions { display: flex; gap: 1rem; align-items: center; }

.checkbox-label { font-size: 0.85rem; color: var(--text-secondary); display: flex; align-items: center; gap: 0.4rem; cursor: pointer; }

.filter-pass { color: var(--green); font-weight: 600; }
.filter-fail { color: var(--text-secondary); }

.reasons-list.warnings li { color: var(--yellow); }
.reasons-list.warnings li::before { content: "⚠ "; color: var(--yellow); }

/* Historia / Raport */
.report-summary {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.75rem;
}

.report-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
}

.report-box.pnl { border-width: 2px; }
.report-box.pnl.profit { border-color: var(--green); background: rgba(16, 185, 129, 0.08); }
.report-box.pnl.loss { border-color: var(--red); background: rgba(239, 68, 68, 0.08); }

.report-box.wins { border-left: 3px solid var(--green); }
.report-box.losses { border-left: 3px solid var(--red); }

.report-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.report-value { display: block; font-size: 1.35rem; font-weight: 700; }
.report-sub { display: block; font-size: 0.75rem; color: var(--text-secondary); margin-top: 0.2rem; }

.secondary-stats .stat-card.small { padding: 0.85rem; }
.secondary-stats .stat-value { font-size: 1.1rem; }

.positive { color: var(--green) !important; }
.negative { color: var(--red) !important; }

.tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.tab {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

.tab-content { display: none; }
.tab-content.active { display: block; }

.badge-status {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-open { background: rgba(59, 130, 246, 0.2); color: var(--accent); }
.badge-closed { background: rgba(148, 163, 184, 0.2); color: var(--text-secondary); }
.badge-win { background: rgba(16, 185, 129, 0.25); color: var(--green); }
.badge-loss { background: rgba(239, 68, 68, 0.25); color: var(--red); }
.badge-zero { background: rgba(148, 163, 184, 0.15); color: var(--text-secondary); }

.row-win { background: rgba(16, 185, 129, 0.04); }
.row-loss { background: rgba(239, 68, 68, 0.04); }

.best-worst h3 { margin-bottom: 0.75rem; }
.trade-highlight {
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
}
.trade-highlight.win { background: rgba(16, 185, 129, 0.1); border: 1px solid var(--green); }
.trade-highlight.loss { background: rgba(239, 68, 68, 0.1); border: 1px solid var(--red); }

.mt { margin-top: 1.5rem; }

.deposit-current {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.deposit-stat {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.85rem;
    text-align: center;
}

.deposit-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
}

.deposit-value {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
}

.deposit-form .form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.deposit-presets {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.75rem;
}

.preset-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 0.4rem 0.85rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
}

.preset-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.preset-btn.active { border-color: var(--accent); background: rgba(59, 130, 246, 0.15); color: var(--accent); }

.deposit-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.hint-small {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
}

@media (max-width: 900px) {
    .deposit-current { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .sidebar { width: 60px; }
    .logo-text, .nav-links li, .bot-status span:last-child { display: none; }
    .content { margin-left: 60px; }
    .grid-2 { grid-template-columns: 1fr; }
}

.strategy-profiles {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.profile-btn {
    flex: 1;
    min-width: 140px;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.profile-btn:hover { border-color: var(--accent); color: var(--text-primary); }
.profile-btn.active {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.15);
    color: var(--accent);
    font-weight: 600;
}

.strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
}

.strategy-grid label {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.strategy-grid input {
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-header-row h3 { margin: 0; }

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}