/* ========================================
   CryptoBacktest App Styles v5.0
   3-Panel Layout + Binance Integration
   ======================================== */

:root {
    --btc-orange: #f7931a;
    --btc-orange-light: #ffb347;
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-card: rgba(26, 26, 37, 0.9);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --text-muted: #6a6a7a;
    --accent-green: #00d68f;
    --accent-red: #ff4757;
    --accent-blue: #4facfe;
    --accent-purple: #7c3aed;
    --border-subtle: 1px solid rgba(255, 255, 255, 0.08);
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.4);
    --transition-fast: 0.2s ease;
}

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

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

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(247, 147, 26, 0.5); }

/* ========== NAVBAR (Compact) ========== */
.navbar {
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    padding: 10px 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: var(--border-subtle);
}

.nav-container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex; align-items: center; gap: 8px;
    text-decoration: none; color: var(--text-primary);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700; font-size: 1.1rem;
}
.logo i { font-size: 1.3rem; color: var(--btc-orange); }

.nav-right { display: flex; align-items: center; gap: 12px; }

.data-source-badge {
    display: flex; align-items: center; gap: 6px;
    background: rgba(0, 214, 143, 0.1);
    padding: 6px 12px; border-radius: 20px;
    font-size: 0.75rem; font-weight: 600;
    color: var(--accent-green);
    border: 1px solid rgba(0, 214, 143, 0.2);
}
.badge-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--accent-green);
    animation: pulse 2s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.btc-price-display {
    display: flex; align-items: center; gap: 8px;
    background: var(--bg-tertiary);
    padding: 6px 14px; border-radius: 10px;
    font-size: 0.85rem; font-weight: 600;
    border: var(--border-subtle);
}
.btc-price-display i { color: var(--btc-orange); }
.price-badge {
    font-size: 0.75rem; padding: 2px 8px;
    border-radius: 6px;
    background: rgba(0, 214, 143, 0.15);
    color: var(--accent-green); font-weight: 600;
}
.price-badge.negative { background: rgba(255, 71, 87, 0.15); color: var(--accent-red); }

/* ========== APP CONTAINER ========== */
.app-container {
    padding-top: 52px;
    min-height: 100vh;
}

/* ========== MODE TABS ========== */
.mode-tabs {
    display: flex; gap: 0;
    background: var(--bg-secondary);
    border-bottom: var(--border-subtle);
    padding: 0 20px;
}

.mode-tab {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 24px;
    background: transparent;
    border: none; cursor: pointer;
    color: var(--text-muted);
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
    flex: 1; max-width: 400px;
}
.mode-tab:hover { color: var(--text-secondary); background: rgba(255,255,255,0.02); }
.mode-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--btc-orange);
    background: rgba(247, 147, 26, 0.05);
}
.mode-tab-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(247, 147, 26, 0.1);
    border-radius: 10px; font-size: 1rem;
    color: var(--btc-orange);
}
.mode-tab.active .mode-tab-icon { background: rgba(247, 147, 26, 0.2); }
.mode-tab-content { text-align: left; }
.mode-tab-title { display: block; font-weight: 600; font-size: 0.9rem; }
.mode-tab-desc { display: block; font-size: 0.72rem; color: var(--text-muted); margin-top: 2px; }

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

/* ========== 3-PANEL LAYOUT ========== */
.three-panel-layout {
    display: grid;
    grid-template-columns: 300px 1fr;
    min-height: calc(100vh - 100px);
}

.panel-left {
    background: var(--bg-secondary);
    border-right: var(--border-subtle);
    overflow-y: auto;
    max-height: calc(100vh - 100px);
    position: sticky;
    top: 100px;
}

.panel-right {
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    max-height: calc(100vh - 100px);
}

.panel-right-top {
    background: var(--bg-secondary);
    border-bottom: 2px solid rgba(247, 147, 26, 0.15);
    padding: 16px 20px;
    flex-shrink: 0;
}

.panel-right-bottom {
    flex: 1;
    padding: 20px;
    position: relative;
    overflow-y: auto;
}

.panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 16px;
    border-bottom: var(--border-subtle);
}
.panel-header h3 {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.95rem; font-weight: 600;
    color: var(--text-primary);
}
.panel-header h3 i { color: var(--btc-orange); font-size: 0.85rem; }

.results-header-bar {
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
}
.data-info {
    font-size: 0.72rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 4px 10px;
    border-radius: 8px;
}

/* ========== LEFT PANEL SECTIONS ========== */
.panel-section {
    padding: 12px 14px;
    border-bottom: var(--border-subtle);
}
.section-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.78rem; font-weight: 600;
    color: var(--btc-orange);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.section-label i { font-size: 0.7rem; }

/* Presets */
.preset-buttons {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 6px;
}
.preset-btn {
    display: flex; align-items: center; gap: 6px;
    padding: 7px 10px;
    background: var(--bg-tertiary);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.72rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
}
.preset-btn:hover { border-color: var(--btc-orange); color: var(--btc-orange); }
.preset-btn.active { background: rgba(247,147,26,0.15); border-color: var(--btc-orange); color: var(--btc-orange); }
.preset-btn i { font-size: 0.65rem; width: 14px; text-align: center; }

/* Indicator List */
.indicator-list-section { padding-bottom: 0; }
.indicator-list-section .indicator-selector {
    max-height: calc(100vh - 340px);
    overflow-y: auto;
}

.indicator-option {
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: all 0.2s;
}
.indicator-option.active {
    background: rgba(247, 147, 26, 0.05);
}
.indicator-option.expanded .indicator-params { display: grid; }

.indicator-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 14px;
    cursor: pointer;
    transition: background 0.2s;
}
.indicator-header:hover { background: rgba(255,255,255,0.03); }
.indicator-name {
    font-size: 0.78rem; font-weight: 500;
    color: var(--text-primary);
}

.indicator-signals {
    display: flex; gap: 4px;
}

.signal-checkbox {
    display: flex; align-items: center; gap: 3px;
    cursor: pointer; font-size: 0.68rem;
    padding: 3px 6px; border-radius: 6px;
    transition: all 0.2s;
}
.signal-checkbox input { display: none; }
.signal-checkbox .checkmark {
    width: 14px; height: 14px;
    border: 2px solid var(--text-muted);
    border-radius: 3px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s; font-size: 8px;
}
.signal-checkbox.buy .checkmark { border-color: rgba(0,214,143,0.4); }
.signal-checkbox.sell .checkmark { border-color: rgba(255,71,87,0.4); }
.signal-checkbox.buy input:checked ~ .checkmark {
    background: var(--accent-green);
    border-color: var(--accent-green);
}
.signal-checkbox.buy input:checked ~ .checkmark::after {
    content: '✓'; color: #fff; font-size: 9px;
}
.signal-checkbox.sell input:checked ~ .checkmark {
    background: var(--accent-red);
    border-color: var(--accent-red);
}
.signal-checkbox.sell input:checked ~ .checkmark::after {
    content: '✓'; color: #fff; font-size: 9px;
}
.signal-label { color: var(--text-muted); font-weight: 500; }
.signal-checkbox.buy input:checked ~ .signal-label { color: var(--accent-green); }
.signal-checkbox.sell input:checked ~ .signal-label { color: var(--accent-red); }

.indicator-params {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    padding: 8px 14px 12px;
    background: rgba(0,0,0,0.2);
}
.param-row {
    display: flex; flex-direction: column; gap: 3px;
}
.param-row span {
    font-size: 0.68rem; color: var(--text-muted); font-weight: 500;
}
.param-row input {
    background: var(--bg-tertiary);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    padding: 5px 8px;
    color: var(--text-primary);
    font-size: 0.78rem;
    width: 100%;
}
.param-row input:focus {
    outline: none;
    border-color: var(--btc-orange);
}

/* ========== RIGHT TOP PANEL ========== */
.active-signals-summary {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 12px;
}
.summary-title {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.75rem; font-weight: 600;
    color: var(--text-muted); margin-bottom: 8px;
}
.signal-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.signal-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: 20px;
    font-size: 0.7rem; font-weight: 600;
}
.signal-tag.buy { background: rgba(0,214,143,0.15); color: var(--accent-green); }
.signal-tag.sell { background: rgba(255,71,87,0.15); color: var(--accent-red); }
.signal-tag i { font-size: 0.6rem; }
.no-signal { color: var(--text-muted); font-size: 0.75rem; font-style: italic; }

.settings-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
    margin-bottom: 12px;
}

.settings-card {
    background: var(--bg-tertiary);
    border-radius: 10px;
    padding: 14px;
    border: 1px solid rgba(255,255,255,0.04);
}
.settings-card h4 {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.8rem; font-weight: 600;
    color: var(--text-primary); margin-bottom: 10px;
}
.settings-card h4 i { color: var(--btc-orange); font-size: 0.75rem; }

/* Quick Range Buttons */
.quick-range-buttons, .date-range-controls .quick-range-buttons {
    display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 10px;
}
.quick-range-btn, .dca-quick-range-btn {
    padding: 4px 10px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 6px;
    color: var(--text-muted);
    font-size: 0.7rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
}
.quick-range-btn:hover, .dca-quick-range-btn:hover { border-color: var(--btc-orange); color: var(--btc-orange); }
.quick-range-btn.active, .dca-quick-range-btn.active {
    background: rgba(247,147,26,0.15);
    border-color: var(--btc-orange);
    color: var(--btc-orange);
}

.date-inputs {
    display: flex; align-items: end; gap: 8px;
}
.date-field { flex: 1; }
.date-field label { display: block; font-size: 0.7rem; color: var(--text-muted); margin-bottom: 4px; }
.date-field input[type="date"] {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 6px 10px;
    color: var(--text-primary);
    font-size: 0.8rem;
    font-family: 'Inter', sans-serif;
}
.date-field input[type="date"]:focus { outline: none; border-color: var(--btc-orange); }
.date-field input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(1); opacity: 0.5; cursor: pointer; }
.date-separator { color: var(--text-muted); font-weight: 600; padding-bottom: 6px; }
.date-hint {
    font-size: 0.68rem; color: var(--text-muted); margin-top: 8px;
    display: flex; align-items: center; gap: 4px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 8px; }
.form-group { margin-bottom: 8px; }
.form-group label {
    display: block; font-size: 0.72rem;
    color: var(--text-secondary); margin-bottom: 4px; font-weight: 500;
}
.form-group select,
.form-group input[type="number"],
.form-group input[type="date"] {
    width: 100%;
    background: var(--bg-secondary);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    padding: 7px 10px;
    color: var(--text-primary);
    font-size: 0.82rem;
    font-family: 'Inter', sans-serif;
}
.form-group select:focus,
.form-group input:focus { outline: none; border-color: var(--btc-orange); }

/* Action Buttons */
.action-buttons { display: flex; gap: 10px; }
.btn-run {
    flex: 1;
    padding: 12px 20px;
    background: var(--btc-orange);
    border: none; border-radius: 10px;
    color: #fff; font-size: 0.9rem; font-weight: 700;
    cursor: pointer; transition: all 0.2s;
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-run:hover { background: var(--btc-orange-light); transform: translateY(-1px); }
.btn-clear {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: var(--border-subtle); border-radius: 10px;
    color: var(--text-muted); font-size: 0.82rem; font-weight: 500;
    cursor: pointer; transition: all 0.2s;
    display: flex; align-items: center; gap: 6px;
}
.btn-clear:hover { color: var(--accent-red); border-color: var(--accent-red); }

/* ========== RESULTS SECTION ========== */
.results-section { opacity: 0; transform: translateY(20px); transition: all 0.5s; }
.results-section.visible { opacity: 1; transform: translateY(0); }

.performance-comparison {
    display: flex; align-items: stretch; gap: 16px;
    margin-bottom: 20px;
}
.perf-card {
    flex: 1; padding: 18px;
    background: var(--bg-card);
    border-radius: 14px;
    border: var(--border-subtle);
    display: flex; align-items: center; gap: 14px;
}
.perf-card.strategy { border-left: 3px solid var(--accent-green); }
.perf-card.holding { border-left: 3px solid var(--accent-blue); }
.perf-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 12px; font-size: 1.1rem;
}
.perf-card.strategy .perf-icon { background: rgba(0,214,143,0.1); color: var(--accent-green); }
.perf-card.holding .perf-icon { background: rgba(79,172,254,0.1); color: var(--accent-blue); }
.perf-content { flex: 1; }
.perf-label { display: block; font-size: 0.75rem; color: var(--text-muted); font-weight: 500; }
.perf-value {
    display: block; font-size: 1.5rem; font-weight: 800;
    color: var(--accent-green); font-family: 'Orbitron', sans-serif;
}
.perf-value.negative { color: var(--accent-red); }
.perf-detail { font-size: 0.72rem; color: var(--text-muted); }
.perf-vs {
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; color: var(--text-muted); font-size: 0.9rem;
    padding: 0 4px;
}

/* Metrics Grid */
.metrics-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 10px; margin-bottom: 20px;
}
.metric-card {
    display: flex; align-items: center; gap: 10px;
    padding: 14px;
    background: var(--bg-card);
    border-radius: 12px;
    border: var(--border-subtle);
}
.metric-icon {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(247,147,26,0.1);
    border-radius: 10px; color: var(--btc-orange);
    font-size: 0.85rem;
}
.metric-info { flex: 1; }
.metric-value { display: block; font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.metric-value.positive { color: var(--accent-green); }
.metric-value.negative { color: var(--accent-red); }
.metric-label { display: block; font-size: 0.68rem; color: var(--text-muted); margin-top: 2px; }

/* Charts */
.chart-container {
    background: var(--bg-card);
    border-radius: 14px;
    border: var(--border-subtle);
    padding: 16px;
    margin-bottom: 16px;
}
.chart-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 12px;
}
.chart-title {
    display: flex; align-items: center; gap: 8px;
    font-weight: 600; font-size: 0.9rem;
}
.chart-title i { color: var(--btc-orange); }
.chart-legend { display: flex; gap: 16px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.75rem; color: var(--text-muted); }
.legend-item.buy { color: var(--accent-green); }
.legend-item.sell { color: var(--accent-red); }

/* Custom Buy/Sell Legend Markers */
.legend-marker {
    display: inline-flex; align-items: center; justify-content: center;
    width: 20px; height: 20px;
    border-radius: 4px;
    font-size: 0.65rem; font-weight: 800;
    color: #fff;
}
.buy-marker { background: var(--accent-green); }
.sell-marker { background: var(--accent-red); }

/* Trade marker in table */
.trade-marker {
    display: inline-flex; align-items: center; justify-content: center;
    width: 22px; height: 22px;
    border-radius: 5px;
    font-size: 0.7rem; font-weight: 800;
    color: #fff;
}
.trade-marker.buy { background: var(--accent-green); }
.trade-marker.sell { background: var(--accent-red); }

.chart-wrapper { position: relative; }

/* Indicator Chart Boxes */
.indicator-chart-box {
    background: var(--bg-card);
    border-radius: 14px;
    border: var(--border-subtle);
    padding: 16px;
    margin-bottom: 12px;
}
.indicator-chart-box .chart-title { margin-bottom: 8px; font-size: 0.85rem; }

/* Trade History */
.trade-history {
    background: var(--bg-card);
    border-radius: 14px;
    border: var(--border-subtle);
    overflow: hidden;
}
.history-header {
    padding: 14px 18px;
    border-bottom: var(--border-subtle);
}
.history-header h4 {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.9rem; font-weight: 600;
}
.history-header h4 i { color: var(--btc-orange); }
.history-table-wrapper { overflow-x: auto; max-height: 400px; overflow-y: auto; }
.history-table {
    width: 100%; border-collapse: collapse;
}
.history-table thead { position: sticky; top: 0; z-index: 1; }
.history-table th {
    padding: 10px 14px;
    text-align: left;
    font-size: 0.72rem; font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.history-table td {
    padding: 10px 14px;
    font-size: 0.8rem;
    border-bottom: 1px solid rgba(255,255,255,0.03);
}
.trade-type {
    display: inline-flex; align-items: center; gap: 6px;
    font-weight: 600; font-size: 0.78rem;
}
.trade-type.buy { color: var(--accent-green); }
.trade-type.sell { color: var(--accent-red); }
.trade-type.dip { color: var(--accent-purple); }
.profit-cell.positive { color: var(--accent-green); font-weight: 600; }
.profit-cell.negative { color: var(--accent-red); font-weight: 600; }

/* ========== LOADING ========== */
.loading-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(10, 10, 15, 0.9);
    display: none; align-items: center; justify-content: center;
    flex-direction: column; gap: 20px; z-index: 100;
    border-radius: 14px;
}
.loading-overlay.active { display: flex; }
.loader {
    position: relative;
    width: 60px; height: 60px;
    display: flex; align-items: center; justify-content: center;
}
.loader i { font-size: 1.5rem; color: var(--btc-orange); z-index: 1; }
.loader-ring {
    position: absolute; width: 60px; height: 60px;
    border: 3px solid rgba(247,147,26,0.2);
    border-top-color: var(--btc-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loading-overlay p { color: var(--text-secondary); font-size: 0.9rem; }

/* ========== DISCLAIMER ========== */
.disclaimer-banner {
    position: fixed; bottom: 0; left: 0; width: 100%;
    z-index: 999;
    background: rgba(255, 71, 87, 0.95);
    backdrop-filter: blur(10px);
    transition: transform 0.3s;
}
.disclaimer-banner.hidden { transform: translateY(100%); }
.disclaimer-content {
    max-width: 1400px; margin: 0 auto;
    padding: 10px 20px;
    display: flex; align-items: center; gap: 12px;
}
.disclaimer-content i { font-size: 1.2rem; flex-shrink: 0; }
.disclaimer-content p { flex: 1; font-size: 0.78rem; line-height: 1.4; }
.dismiss-btn {
    background: rgba(255,255,255,0.2);
    border: none; border-radius: 8px;
    color: #fff; padding: 6px 10px;
    cursor: pointer; font-size: 0.8rem;
}
.dismiss-btn:hover { background: rgba(255,255,255,0.3); }

/* ========== DCA SIDEBAR ========== */
.dca-sidebar {
    width: 300px; float: left;
    background: var(--bg-secondary);
    border-right: var(--border-subtle);
    padding: 16px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
    position: sticky; top: 100px;
}
.dca-sidebar .sidebar-section { margin-bottom: 16px; padding-bottom: 16px; border-bottom: var(--border-subtle); }
.dca-sidebar .section-title {
    display: flex; align-items: center; gap: 8px;
    font-size: 0.85rem; font-weight: 600;
    color: var(--text-primary); margin-bottom: 10px;
}
.dca-sidebar .section-title i { color: var(--btc-orange); }
.dca-description { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; }
#dca-mode { display: flex; overflow: hidden; }
#dca-mode .main-content {
    flex: 1; padding: 20px;
    overflow-y: auto; max-height: calc(100vh - 100px);
    position: relative;
}
.dca-sidebar .hint { font-size: 0.68rem; color: var(--text-muted); margin-top: 4px; }

.custom-checkbox {
    display: flex; align-items: center; gap: 8px;
    cursor: pointer; font-size: 0.82rem;
}
.custom-checkbox input { display: none; }
.custom-checkbox .checkmark {
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.15);
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.2s;
}
.custom-checkbox input:checked ~ .checkmark {
    background: var(--btc-orange);
    border-color: var(--btc-orange);
}
.custom-checkbox input:checked ~ .checkmark::after { content: '✓'; color: #fff; font-size: 11px; }

/* DCA Summary Cards */
.dca-summary-cards {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 12px; margin-bottom: 20px;
}
.summary-card {
    display: flex; align-items: center; gap: 12px;
    padding: 16px;
    background: var(--bg-card);
    border-radius: 14px;
    border: var(--border-subtle);
}
.card-icon {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(247,147,26,0.1);
    border-radius: 12px; color: var(--btc-orange);
}
.card-content { flex: 1; }
.card-value { display: block; font-size: 1rem; font-weight: 700; }
.card-label { display: block; font-size: 0.7rem; color: var(--text-muted); margin-top: 2px; }

.results-header { margin-bottom: 16px; }
.results-header h3 {
    display: flex; align-items: center; gap: 8px;
    font-size: 1rem; font-weight: 600;
}
.results-header h3 i { color: var(--btc-orange); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1200px) {
    .three-panel-layout { grid-template-columns: 280px 1fr; }
    .settings-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
    .three-panel-layout {
        grid-template-columns: 1fr;
    }
    .panel-left {
        max-height: none;
        position: relative;
        top: 0;
    }
    .panel-right { max-height: none; }
    .performance-comparison { flex-direction: column; }
    .dca-summary-cards { grid-template-columns: repeat(2, 1fr); }
    .date-inputs { flex-direction: column; }
    .date-separator { display: none; }
    .nav-right { flex-wrap: wrap; justify-content: flex-end; }
}

@media (max-width: 600px) {
    .app-container { padding: 65px 10px 15px; }
    .metrics-grid { grid-template-columns: 1fr; }
    .dca-summary-cards { grid-template-columns: 1fr; }
    .preset-buttons { grid-template-columns: repeat(2, 1fr); }
    .nav-right { gap: 4px; }
    .nav-right .mode-switch-btn { display: none; }
    .data-source-badge span:not(.badge-dot) { display: none; }
    .btc-price-display { font-size: 0.72rem; padding: 4px 8px; }
    .panel-header h3 { font-size: 0.88rem; }
    .indicator-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .settings-card { padding: 14px; }
    .quick-range-buttons { gap: 4px; }
    .quick-range-btn { padding: 5px 8px; font-size: 0.72rem; }
    .btn-run { font-size: 0.85rem; padding: 12px; }
    .chart-wrapper { height: 260px !important; }
    .history-table-wrapper { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .history-table { min-width: 500px; }
    .perf-card { padding: 14px; }
    .perf-value { font-size: 1.2rem; }
    .metric-card { padding: 12px; }
    .strategy-report { padding: 14px; }
}