/* ==========================================
   Crypto Backtesting Pro - Premium Design System
   ========================================== */

/* CSS Variables */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-tertiary: #1f2937;
    --bg-card: rgba(17, 24, 39, 0.8);
    --bg-glass: rgba(255, 255, 255, 0.05);

    /* Accent Colors */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
    --accent-glow: rgba(99, 102, 241, 0.3);

    /* Status Colors */
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Text Colors */
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    /* Border */
    --border-color: rgba(255, 255, 255, 0.1);
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-xxl: 48px;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Background Effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(168, 85, 247, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

/* Grid Pattern Overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.5rem;
}

h3 {
    font-size: 1.25rem;
}

h4 {
    font-size: 1.125rem;
}

h5 {
    font-size: 1rem;
}

h6 {
    font-size: 0.875rem;
}

/* App Layout */
.app {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 220px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    padding: var(--space-sm) var(--space-md);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    overflow-y: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-sm);
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: var(--shadow-glow);
}

.logo-text h1 {
    font-size: 1rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-fill-color: transparent;
}

.logo-text span {
    font-size: 0.65rem;
    color: var(--text-muted);
}

/* Navigation */
.nav-section {
    margin-bottom: var(--space-sm);
}

.nav-title {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
    padding-left: var(--space-xs);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    margin-bottom: 2px;
    font-size: 0.85rem;
}

.nav-item:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-glow);
}

.nav-item i {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 220px;
    padding: var(--space-md);
    min-height: 100vh;
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.page-title h2 {
    font-size: 1.3rem;
    margin-bottom: var(--space-xs);
}

.page-title p {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Cards */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-md);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.card-title i {
    color: var(--accent-primary);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: var(--space-md);
}

.stat-icon.success {
    background: var(--success-bg);
    color: var(--success);
}

.stat-icon.warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.stat-icon.danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.stat-icon.info {
    background: var(--info-bg);
    color: var(--info);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 20px;
    margin-top: var(--space-sm);
}

.stat-change.positive {
    background: var(--success-bg);
    color: var(--success);
}

.stat-change.negative {
    background: var(--danger-bg);
    color: var(--danger);
}

/* Grid Layout */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

.form-input,
.form-select {
    width: 100%;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input::placeholder {
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--bg-glass);
    border-color: var(--accent-primary);
}

.btn-success {
    background: var(--success);
    color: white;
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-lg {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1rem;
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: var(--border-radius);
    max-width: 100%;
    -webkit-overflow-scrolling: touch;
}

/* Signal Manager Table - Compact Layout */
#page-signals .table-container {
    overflow-x: auto;
    display: block;
    width: 100%;
}

#page-signals .table {
    min-width: 1000px;
    table-layout: fixed;
}

#page-signals .table th,
#page-signals .table td {
    padding: var(--space-sm) var(--space-xs);
    font-size: 0.8rem;
    white-space: nowrap;
    vertical-align: middle;
}

/* Signal Manager Column Widths */
#page-signals .table th:nth-child(1),
#page-signals .table td:nth-child(1) {
    width: 140px;
}

/* Name */
#page-signals .table th:nth-child(2),
#page-signals .table td:nth-child(2) {
    width: 80px;
}

/* Type */
#page-signals .table th:nth-child(3),
#page-signals .table td:nth-child(3) {
    width: 90px;
}

/* Symbol */
#page-signals .table th:nth-child(4),
#page-signals .table td:nth-child(4) {
    width: 50px;
}

/* TF */
#page-signals .table th:nth-child(5),
#page-signals .table td:nth-child(5) {
    width: 80px;
}

/* Cur. Price */
#page-signals .table th:nth-child(6),
#page-signals .table td:nth-child(6) {
    width: 80px;
}

/* Signal Price */
#page-signals .table th:nth-child(7),
#page-signals .table td:nth-child(7) {
    width: 160px;
    min-width: 160px;
}

/* Strategy */
#page-signals .table th:nth-child(8),
#page-signals .table td:nth-child(8) {
    width: 80px;
}

/* Status */
#page-signals .table th:nth-child(9),
#page-signals .table td:nth-child(9) {
    width: 120px;
}

/* Last Updated */
#page-signals .table th:nth-child(10),
#page-signals .table td:nth-child(10) {
    width: 50px;
}

/* API */
#page-signals .table th:nth-child(11),
#page-signals .table td:nth-child(11) {
    width: 180px;
    min-width: 180px;
}

/* Actions */

/* Signal Name Cell */
.signal-name-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.signal-name-cell strong {
    font-size: 0.8rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.signal-id {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: monospace;
}

/* Timestamp Cell */
.timestamp-cell {
    display: flex;
    flex-direction: column;
    gap: 1px;
    font-size: 0.75rem;
}

.timestamp-cell .date {
    color: var(--text-primary);
}

.timestamp-cell .time {
    color: var(--text-muted);
    font-size: 0.7rem;
}

/* Price Cell */
.price-cell {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.75rem;
}

.price-cell.price-buy {
    color: var(--success);
}

.price-cell.price-sell {
    color: var(--danger);
}

/* Signal Status in Table */
.signal-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 600;
}

.signal-status.status-buy {
    background: var(--success-bg);
    color: var(--success);
}

.signal-status.status-sell {
    background: var(--danger-bg);
    color: var(--danger);
}

.signal-status.status-neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 4px;
    flex-wrap: nowrap;
}

.action-buttons .btn-sm {
    padding: 4px 8px;
    font-size: 0.7rem;
}

/* Status Toggle in Table */
.status-toggle {
    display: flex;
    gap: 2px;
}

.status-toggle .toggle-btn {
    padding: 4px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.7rem;
}

.status-toggle .toggle-btn:hover {
    background: var(--bg-glass);
}

.status-toggle .toggle-btn.active-buy {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

.status-toggle .toggle-btn.active-neutral {
    background: var(--bg-glass);
    color: var(--text-primary);
    border-color: var(--text-secondary);
}

.status-toggle .toggle-btn.active-sell {
    background: var(--danger);
    color: white;
    border-color: var(--danger);
}

/* Strategy Info Cell */
.strategy-info-cell {
    max-width: 160px;
    overflow: hidden;
}

.strategy-info-cell .strategy-name {
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.strategy-info-cell .strategy-name i {
    margin-right: 4px;
    color: var(--accent-primary);
}

.strategy-info-cell .strategy-params {
    font-size: 0.65rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

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

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

.table td {
    font-size: 0.875rem;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 20px;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
}

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.15);
    color: var(--accent-primary);
}

/* Text Color Utilities */
.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

/* Button Outline Variants */
.btn-secondary-outline {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-secondary-outline:hover {
    background: var(--bg-glass);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.btn-success-outline {
    background: transparent;
    color: var(--success);
    border: 1px solid var(--success);
}

.btn-success-outline:hover {
    background: var(--success-bg);
}

.btn-danger-outline {
    background: transparent;
    color: var(--danger);
    border: 1px solid var(--danger);
}

.btn-danger-outline:hover {
    background: var(--danger-bg);
}

/* Tabs */
.tabs {
    display: flex;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
}

.tab {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-base);
}

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

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

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 4px;
    transition: width var(--transition-base);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
}

/* Data Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xxl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-zone:hover {
    border-color: var(--accent-primary);
    background: var(--bg-glass);
}

.upload-zone.dragover {
    border-color: var(--accent-primary);
    background: var(--accent-glow);
}

.upload-icon {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
}

.upload-text {
    color: var(--text-secondary);
}

.upload-text span {
    color: var(--accent-primary);
    font-weight: 500;
}

/* Dataset Cards */
.dataset-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.dataset-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.dataset-card.selected {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.dataset-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-md);
}

.dataset-symbol {
    font-size: 1.25rem;
    font-weight: 700;
}

.dataset-timeframe {
    font-size: 0.75rem;
    background: var(--info-bg);
    color: var(--info);
    padding: 2px 8px;
    border-radius: 4px;
}

.dataset-meta {
    display: flex;
    gap: var(--space-lg);
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* Strategy Card */
.strategy-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-lg);
    transition: all var(--transition-base);
}

.strategy-card.selected {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.strategy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.strategy-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.strategy-toggle {
    width: 48px;
    height: 24px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-base);
}

.strategy-toggle.active {
    background: var(--accent-primary);
}

.strategy-toggle::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all var(--transition-base);
}

.strategy-toggle.active::after {
    left: 26px;
}

/* Results Panel */
.results-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.results-header {
    background: var(--accent-gradient);
    padding: var(--space-lg);
    color: white;
}

.results-rank {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.results-strategy {
    font-size: 1.25rem;
    margin-top: var(--space-sm);
}

.results-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--border-color);
}

.metric-item {
    background: var(--bg-secondary);
    padding: var(--space-md);
    text-align: center;
}

.metric-value {
    font-size: 1.25rem;
    font-weight: 600;
}

.metric-value.positive {
    color: var(--success);
}

.metric-value.negative {
    color: var(--danger);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md) var(--space-lg);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

.toast.warning {
    border-left: 3px solid var(--warning);
}

.toast.info {
    border-left: 3px solid var(--info);
}

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

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    padding: var(--space-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: all var(--transition-base);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition-base);
}

.modal-close:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
    }

    .main-content {
        margin-left: 0;
        padding: var(--space-md);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        gap: var(--space-md);
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

/* Range Input */
input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition-base);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

/* Checkbox/Radio Custom */
.checkbox-custom {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.checkbox-custom input {
    display: none;
}

.checkbox-box {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.checkbox-custom input:checked+.checkbox-box {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

.checkbox-box i {
    color: white;
    font-size: 0.75rem;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.checkbox-custom input:checked+.checkbox-box i {
    opacity: 1;
}

/* Tooltip */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 100;
}

[data-tooltip]:hover::after {
    opacity: 1;
    visibility: visible;
    bottom: calc(100% + 8px);
}

/* ==========================================
   Terminal Activity Log
   ========================================== */

.terminal-container {
    background: #0d1117;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.terminal-header {
    background: linear-gradient(180deg, #2d333b 0%, #22272e 100%);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red {
    background: #ff5f56;
}

.terminal-dot.yellow {
    background: #ffbd2e;
}

.terminal-dot.green {
    background: #27ca40;
}

.terminal-title {
    flex: 1;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.terminal-body {
    padding: var(--space-md);
    height: 200px;
    overflow-y: auto;
    font-size: 0.8rem;
    line-height: 1.6;
}

.terminal-line {
    display: flex;
    gap: 8px;
    margin-bottom: 4px;
    animation: terminalFadeIn 0.3s ease;
}

@keyframes terminalFadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.terminal-time {
    color: #6e7681;
    flex-shrink: 0;
}

.terminal-prefix {
    color: #58a6ff;
    flex-shrink: 0;
}

.terminal-message {
    color: #c9d1d9;
}

.terminal-message.success {
    color: #3fb950;
}

.terminal-message.warning {
    color: #d29922;
}

.terminal-message.error {
    color: #f85149;
}

.terminal-message.info {
    color: #58a6ff;
}

.terminal-message.highlight {
    color: #a371f7;
    font-weight: 600;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 14px;
    background: #58a6ff;
    animation: blink 1s step-end infinite;
    vertical-align: middle;
    margin-left: 4px;
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

/* Enhanced Progress Panel */
.progress-panel {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.progress-title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1rem;
}

.progress-title i {
    color: var(--accent-primary);
}

.progress-title .spinner-small {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.progress-bar-enhanced {
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: var(--space-md);
    position: relative;
}

.progress-bar-enhanced .progress-fill {
    height: 100%;
    background: var(--accent-gradient);
    border-radius: 6px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-bar-enhanced .progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.2),
            transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }

    100% {
        transform: translateX(100%);
    }
}

.progress-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

.progress-stat {
    text-align: center;
    padding: var(--space-md);
    background: var(--bg-glass);
    border-radius: var(--border-radius);
}

.progress-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.progress-stat-value.success {
    color: var(--success);
}

.progress-stat-value.warning {
    color: var(--warning);
}

.progress-stat-value.accent {
    color: var(--accent-primary);
}

.progress-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Progress Info Row */
.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.progress-percent {
    font-weight: 600;
    color: var(--accent-primary);
}

/* Pulse Animation for Active State */
.pulse-dot {
    width: 10px;
    height: 10px;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
    }

    50% {
        box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
    }
}

/* Running State Indicator */
.running-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--success);
}

.running-indicator i {
    animation: spin 2s linear infinite;
}

/* Disabled Button State */
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* ==========================================
   Candlestick Chart with Trade Signals
   ========================================== */

/* Chart Container */
.chart-signals-container {
    height: 400px;
    width: 100%;
    background: linear-gradient(180deg, rgba(17, 24, 39, 0.9) 0%, rgba(10, 14, 23, 0.95) 100%);
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
}

/* Chart Legend */
.chart-legend {
    display: flex;
    gap: var(--space-md);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 4px;
    font-weight: 500;
}

.legend-item.buy {
    color: var(--success);
    background: var(--success-bg);
}

.legend-item.sell {
    color: var(--danger);
    background: var(--danger-bg);
}

.legend-item i {
    font-size: 1rem;
}

/* Chart Info Bar */
.chart-info {
    display: flex;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.chart-info span {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Trade Marker Tooltip */
.trade-tooltip {
    position: absolute;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    min-width: 200px;
    pointer-events: none;
    backdrop-filter: blur(10px);
}

.trade-tooltip-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.trade-tooltip-type {
    font-weight: 600;
    font-size: 0.875rem;
}

.trade-tooltip-type.buy {
    color: var(--success);
}

.trade-tooltip-type.sell {
    color: var(--danger);
}

.trade-tooltip-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    padding: 2px 0;
}

.trade-tooltip-label {
    color: var(--text-muted);
}

.trade-tooltip-value {
    color: var(--text-primary);
    font-weight: 500;
}

.trade-tooltip-value.positive {
    color: var(--success);
}

.trade-tooltip-value.negative {
    color: var(--danger);
}

/* Buy/Sell Marker Animations */
@keyframes buyPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
    }
}

@keyframes sellPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(239, 68, 68, 0);
    }
}

/* ==========================================
   Signal Manager Styles
   ========================================== */

.signal-row {
    transition: all var(--transition-fast);
}

.signal-row:hover {
    background: var(--bg-glass);
}

.signal-name-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.signal-name-cell strong {
    color: var(--text-primary);
}

.signal-id {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-family: monospace;
}

.strategy-info-cell {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.strategy-name {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.strategy-name i {
    color: var(--accent-primary);
    font-size: 0.75rem;
}

.strategy-params {
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.param-tag {
    background: var(--bg-glass);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
}

.param-tag strong {
    color: var(--accent-primary);
}

.signal-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.8rem;
}

.status-buy {
    background: var(--success-bg);
    color: var(--success);
}

.status-sell {
    background: var(--danger-bg);
    color: var(--danger);
}

.status-neutral {
    background: var(--bg-tertiary);
    color: var(--text-muted);
}

.timestamp-cell {
    display: flex;
    flex-direction: column;
    gap: 2px;
    font-size: 0.8rem;
}

.timestamp-cell .date {
    color: var(--text-primary);
}

.timestamp-cell .time {
    color: var(--text-muted);
    font-size: 0.7rem;
}

.action-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-toggle {
    display: inline-flex;
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
}

.toggle-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-btn:hover {
    background: var(--bg-glass);
    color: var(--text-primary);
}

.toggle-btn.active-buy {
    background: var(--success);
    color: white;
}

.toggle-btn.active-neutral {
    background: var(--accent-primary);
    color: white;
}

.toggle-btn.active-sell {
    background: var(--danger);
    color: white;
}

.btn-glass {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    backdrop-filter: blur(10px);
}

.btn-glass:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.btn-danger-glass {
    background: var(--danger-bg);
    border: 1px solid transparent;
    color: var(--danger);
}

.btn-danger-glass:hover {
    background: var(--danger);
    color: white;
}

.badge-accent {
    background: var(--accent-gradient);
    color: white;
}

.loading-spinner {
    color: var(--accent-primary);
}

/* Improved Table Styles */
.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* Quick Stats Cards */
.quick-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.quick-stat {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    text-align: center;
}

.quick-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.quick-stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Signal Price Cell Styles */
.price-cell {
    font-family: 'JetBrains Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
}

.price-cell.price-buy {
    color: var(--success);
}

.price-cell.price-sell {
    color: var(--danger);
}

.current-price {
    color: var(--text-secondary);
}

.signal-price {
    font-weight: 600;
}

/* Strategy Detail Modal Styles */
.strategy-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
}

.detail-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
}

.detail-section h4 {
    font-size: 0.9rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.detail-section h4 i {
    font-size: 0.85rem;
}

.params-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.param-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
    border-bottom: 1px dashed var(--border-color);
}

.param-row:last-child {
    border-bottom: none;
}

.param-key {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.param-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'Monaco', 'Consolas', monospace;
}

.param-value.positive {
    color: var(--success);
}

.param-value.negative {
    color: var(--danger);
}

.json-display {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    font-family: 'JetBrains Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    overflow-x: auto;
    white-space: pre-wrap;
    max-height: 150px;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .strategy-detail-grid {
        grid-template-columns: 1fr;
    }
}

/* Login Overlay */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.login-container {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
}

.login-logo {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.login-logo .logo-icon {
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.login-logo h1 {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.login-logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: var(--space-xs);
}

.login-form .form-group {
    margin-bottom: var(--space-md);
}

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

.login-form label i {
    margin-right: var(--space-xs);
}

.login-form input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-size: 1rem;
    box-sizing: border-box;
}

.login-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-bottom: var(--space-md);
    min-height: 20px;
}

.btn-login {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.user-info i {
    font-size: 1.2rem;
    color: var(--accent-primary);
}

/* ==================== Signal Detail & Edit Modal Styles ==================== */

/* Signal Detail Grid */
.signal-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.detail-section {
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
}

.detail-section.full-width {
    grid-column: 1 / -1;
}

.detail-section h4 {
    font-size: 0.85rem;
    color: var(--accent-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.detail-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.detail-value {
    font-size: 0.85rem;
    color: var(--text-primary);
    text-align: right;
}

.detail-value.code {
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Signal Status Badge */
.signal-status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 0.8rem;
}

.signal-status-badge.status-buy {
    background: var(--success-bg);
    color: var(--success);
}

.signal-status-badge.status-sell {
    background: var(--danger-bg);
    color: var(--danger);
}

.signal-status-badge.status-neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

/* Badge accent */
.badge-accent {
    background: rgba(139, 92, 246, 0.15);
    color: var(--accent-secondary);
}

/* Config JSON Preview */
.config-json {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 0.75rem;
    color: var(--text-secondary);
    overflow-x: auto;
    max-height: 150px;
    white-space: pre-wrap;
}

/* Mini Stats Grid */
.stats-mini-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.stat-mini {
    text-align: center;
    padding: var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--border-radius);
}

.stat-mini-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.stat-mini-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-top: 2px;
}

/* API URL Section */
.detail-api-section {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border-color);
}

.detail-api-section h4 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.api-url-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-sm) var(--space-md);
}

.api-url-box code {
    flex: 1;
    font-size: 0.75rem;
    color: var(--info);
    word-break: break-all;
}

/* Edit Modal - Type Toggle Group */
.type-toggle-group {
    display: flex;
    gap: var(--space-sm);
}

.type-toggle-group .toggle-btn {
    flex: 1;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
}

.type-toggle-group .toggle-btn:hover {
    background: var(--bg-glass);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.type-toggle-group .toggle-btn.active {
    background: var(--accent-gradient);
    border-color: transparent;
    color: white;
    box-shadow: var(--shadow-glow);
}

/* Status Toggle Group */
.status-toggle-group {
    display: flex;
    gap: var(--space-sm);
}

.status-btn {
    flex: 1;
    padding: var(--space-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    font-weight: 500;
}

.status-btn.buy {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border-color: transparent;
}

.status-btn.buy.active {
    background: var(--success);
    color: white;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

.status-btn.neutral {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.status-btn.neutral.active {
    background: var(--bg-glass);
    color: white;
    border-color: var(--text-secondary);
}

.status-btn.sell {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border-color: transparent;
}

.status-btn.sell.active {
    background: var(--danger);
    color: white;
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.4);
}

/* Info Glass Button */
.btn-info-glass {
    background: rgba(59, 130, 246, 0.15);
    color: var(--info);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.btn-info-glass:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: var(--info);
}

/* Param Tag */
.param-tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.75rem;
    margin-right: 4px;
    margin-bottom: 4px;
}

/* ==================== RESPONSIVE DESIGN ==================== */

/* Tablet Breakpoint */
@media (max-width: 1024px) {
    .main-content {
        margin-left: 200px;
    }

    .sidebar {
        width: 200px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-2 {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Breakpoint */
@media (max-width: 768px) {

    /* Sidebar - Collapsible on Mobile */
    .sidebar {
        position: fixed;
        left: -220px;
        width: 220px;
        z-index: 1000;
        transition: left var(--transition-base);
    }

    .sidebar.open {
        left: 0;
    }

    .main-content {
        margin-left: 0;
        padding: var(--space-sm);
    }

    /* Mobile Menu Toggle Button */
    .mobile-menu-toggle {
        display: flex;
        position: fixed;
        top: var(--space-sm);
        left: var(--space-sm);
        z-index: 1001;
        width: 44px;
        height: 44px;
        background: var(--accent-gradient);
        border: none;
        border-radius: var(--border-radius);
        color: white;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 1.2rem;
        box-shadow: var(--shadow-md);
    }

    /* Page Header */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-md);
        margin-top: 50px;
    }

    .page-header .btn {
        width: 100%;
    }

    .page-title h2 {
        font-size: 1.1rem;
    }

    .page-title p {
        font-size: 0.8rem;
    }

    /* Stats Grid - Stack on Mobile */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }

    .stat-card {
        padding: var(--space-md);
    }

    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: var(--space-sm);
    }

    .stat-value {
        font-size: 1.3rem;
    }

    /* Grids - Single Column */
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
        gap: var(--space-md);
    }

    /* Cards */
    .card {
        padding: var(--space-sm);
    }

    .card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }

    .card-header .btn {
        width: 100%;
    }

    /* Forms */
    .form-group {
        margin-bottom: var(--space-md);
    }

    .form-input,
    .form-select {
        padding: var(--space-sm) var(--space-md);
        font-size: 16px;
        /* Prevent zoom on iOS */
    }

    /* Buttons */
    .btn {
        padding: var(--space-sm) var(--space-md);
        font-size: 0.85rem;
    }

    .btn-lg {
        padding: var(--space-md);
    }

    /* Tables - Scroll Horizontally */
    .table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 calc(-1 * var(--space-sm));
        padding: 0 var(--space-sm);
    }

    .table th,
    .table td {
        padding: var(--space-sm);
        font-size: 0.75rem;
    }

    /* Upload Zone */
    .upload-zone {
        padding: var(--space-lg);
    }

    .upload-icon {
        font-size: 2rem;
    }

    /* Checkboxes Grid */
    .checkbox-custom {
        padding: var(--space-sm);
    }

    /* Optimization Settings */
    #page-optimize .grid-2 {
        grid-template-columns: 1fr;
    }

    /* Progress Panel */
    .progress-panel {
        padding: var(--space-sm);
    }

    .progress-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Terminal */
    .terminal-container {
        font-size: 0.7rem;
    }

    .terminal-body {
        height: 120px;
    }

    /* Chart Container */
    .chart-container {
        height: 200px;
    }

    /* Modals */
    .modal-overlay {
        padding: var(--space-sm);
        align-items: flex-start;
        padding-top: var(--space-lg);
    }

    .modal {
        width: 100%;
        max-width: 100%;
        max-height: 90vh;
        overflow-y: auto;
        margin: 0;
    }

    .modal-header h3 {
        font-size: 1rem;
    }

    /* Signal Manager Specific */
    #page-signals .card-header {
        flex-direction: column;
        gap: var(--space-sm);
    }

    #page-signals .card-header>div {
        display: flex;
        gap: var(--space-xs);
        width: 100%;
    }

    #page-signals .card-header .btn {
        flex: 1;
    }

    /* Signal Table */
    #page-signals .table {
        min-width: 900px;
    }

    /* Signal Detail Grid */
    .signal-detail-grid {
        grid-template-columns: 1fr;
    }

    .stats-mini-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Edit Form Toggle Groups */
    .type-toggle-group,
    .status-toggle-group {
        flex-direction: column;
    }

    .type-toggle-group .toggle-btn,
    .status-btn {
        padding: var(--space-sm);
    }

    /* Detail Items */
    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-xs);
    }

    .detail-value {
        text-align: left;
    }

    /* Action Buttons */
    .action-buttons {
        flex-wrap: wrap;
    }

    /* Strategy Info Cell */
    .strategy-info-cell {
        max-width: 120px;
    }

    /* Login Container */
    .login-container {
        padding: var(--space-lg);
        margin: var(--space-sm);
    }

    .login-logo h1 {
        font-size: 1.2rem;
    }

    /* Compare Page */
    #compare-strategy-list {
        max-height: 200px;
    }

    /* Results Page */
    #page-results .table {
        min-width: 700px;
    }
}

/* Small Mobile Breakpoint */
@media (max-width: 480px) {
    .sidebar {
        width: 100%;
        left: -100%;
    }

    .page-header {
        margin-top: 55px;
    }

    .page-title h2 {
        font-size: 1rem;
    }

    .stat-value {
        font-size: 1.1rem;
    }

    .stat-label {
        font-size: 0.75rem;
    }

    .btn-sm {
        padding: 4px 6px;
        font-size: 0.65rem;
    }

    /* Forms */
    .form-label {
        font-size: 0.8rem;
    }

    /* Tables - Even More Compact */
    .table th,
    .table td {
        padding: var(--space-xs);
        font-size: 0.7rem;
    }

    /* Binance Download Grid */
    #page-data .grid-2 {
        grid-template-columns: 1fr;
    }

    /* Stats in Modals */
    .stats-mini-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-xs);
    }

    .stat-mini {
        padding: var(--space-xs);
    }

    .stat-mini-value {
        font-size: 0.9rem;
    }

    .stat-mini-label {
        font-size: 0.6rem;
    }

    /* Full-width buttons in forms */
    #signal-edit-content .grid-2 {
        grid-template-columns: 1fr;
    }

    /* Modal content spacing */
    #signal-edit-content,
    #signal-detail-content {
        padding: var(--space-xs);
    }

    /* API URL Box */
    .api-url-box {
        flex-direction: column;
        align-items: stretch;
    }

    .api-url-box code {
        font-size: 0.65rem;
        padding: var(--space-sm);
        background: var(--bg-primary);
        border-radius: var(--border-radius);
    }
}

/* Hide mobile menu toggle by default on desktop */
.mobile-menu-toggle {
    display: none !important;
}

/* Show on mobile */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex !important;
        position: fixed;
        top: var(--space-sm);
        left: var(--space-sm);
        z-index: 1001;
        width: 48px;
        height: 48px;
        background: var(--accent-gradient);
        border: none;
        border-radius: var(--border-radius);
        color: white;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 1.4rem;
        box-shadow: var(--shadow-lg);
    }
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sidebar-overlay.active {
    display: block;
}

@media (max-width: 768px) {
    .sidebar-overlay.active {
        display: block;
    }
}

/* Landscape Mobile Adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .modal {
        max-height: 85vh;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print Styles */
@media print {

    .sidebar,
    .mobile-menu-toggle,
    .btn,
    .toast-container {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
    }

    .card {
        break-inside: avoid;
    }
}