/* ============================================================================
   RenkoTrader Web - Dark Theme (TradingView-inspired)
   ============================================================================ */

/* CSS Variables */
:root {
    --bg-primary: #131722;
    --bg-secondary: #1e222d;
    --bg-tertiary: #2a2e39;
    --bg-hover: #363a45;
    --text-primary: #d1d4dc;
    --text-secondary: #787b86;
    --text-muted: #5d606b;
    --accent-green: #26a69a;
    --accent-green-hover: #2bbd8e;
    --accent-red: #ef5350;
    --accent-red-hover: #f77c7c;
    --accent-blue: #2962ff;
    --accent-blue-hover: #1e53e4;
    --border-color: #363a45;
    --border-light: #2a2e39;
    --success: #26a69a;
    --warning: #ffeb3b;
    --danger: #ef5350;
    --info: #2962ff;
}

/* Base Styles */
* {
    box-sizing: border-box;
}

html {
    font-size: 14px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Trebuchet MS', Roboto, Ubuntu, sans-serif;
    line-height: 1.5;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

p {
    color: var(--text-secondary);
}

a {
    color: var(--accent-blue);
    text-decoration: none;
}

a:hover {
    color: var(--accent-blue-hover);
    text-decoration: underline;
}

/* Navbar */
.navbar {
    background-color: var(--bg-secondary) !important;
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    min-height: 48px;
}

.navbar-brand {
    color: var(--text-primary) !important;
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand:hover {
    color: var(--accent-blue) !important;
}

.navbar-brand .logo-icon {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    border-radius: 4px;
}

.navbar-nav .nav-link {
    color: var(--text-secondary) !important;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    transition: color 0.15s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--text-primary) !important;
}

.navbar-toggler {
    border-color: var(--border-color);
}

.navbar-toggler-icon {
    filter: invert(1);
}

/* Cards */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-bottom: 1rem;
}

.card-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.75rem 1rem;
}

.card-body {
    padding: 1rem;
}

.card-title {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Stat Cards */
.stat-card {
    text-align: center;
    padding: 1.25rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.25rem;
}

.stat-card.stat-up .stat-value {
    color: var(--accent-green);
}

.stat-card.stat-down .stat-value {
    color: var(--accent-red);
}

/* Tables */
.table {
    color: var(--text-primary);
    margin-bottom: 0;
}

.table thead th {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem;
    white-space: nowrap;
}

.table tbody td {
    border-bottom: 1px solid var(--border-light);
    padding: 0.6rem 0.75rem;
    vertical-align: middle;
}

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

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(42, 46, 57, 0.5);
}

/* DataTables Overrides */
.dataTables_wrapper {
    color: var(--text-secondary);
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate {
    padding: 0.75rem 0;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 0.375rem 0.75rem;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
    border-radius: 4px;
    margin: 0 2px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
    background-color: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background-color: var(--accent-blue) !important;
    border-color: var(--accent-blue) !important;
    color: white !important;
}

/* Forms */
.form-control,
.form-select {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 4px;
    padding: 0.5rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(41, 98, 255, 0.25);
}

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

.form-label {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: 0.25rem;
}

/* Buttons */
.btn {
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.15s ease;
}

.btn-primary {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

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

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

.btn-success:hover {
    background-color: var(--accent-green-hover);
    border-color: var(--accent-green-hover);
}

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

.btn-danger:hover {
    background-color: var(--accent-red-hover);
    border-color: var(--accent-red-hover);
}

.btn-outline-secondary {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

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

.btn-sm {
    font-size: 0.8rem;
    padding: 0.25rem 0.5rem;
}

/* Badges */
.badge {
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.badge-up, .badge.bg-success {
    background-color: var(--accent-green) !important;
    color: white;
}

.badge-down, .badge.bg-danger {
    background-color: var(--accent-red) !important;
    color: white;
}

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

/* Price Colors */
.price-up, .text-up {
    color: var(--accent-green) !important;
}

.price-down, .text-down {
    color: var(--accent-red) !important;
}

.brick-green {
    background-color: rgba(38, 166, 154, 0.15);
}

.brick-red {
    background-color: rgba(239, 83, 80, 0.15);
}

/* Signal Indicators */
.signal-bullish {
    color: var(--accent-green);
}

.signal-bearish {
    color: var(--accent-red);
}

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

.signal-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.25rem;
}

.signal-dot.bullish {
    background-color: var(--accent-green);
}

.signal-dot.bearish {
    background-color: var(--accent-red);
}

.signal-dot.neutral {
    background-color: var(--text-muted);
}

/* Chart Container */
.chart-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    min-height: 400px;
}

#renko-chart {
    width: 100%;
    height: 500px;
}

.chart-toolbar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.chart-toolbar .btn {
    font-size: 0.8rem;
    padding: 0.25rem 0.75rem;
}

/* Market Status */
.market-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.market-status .status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.market-status.open .status-dot {
    background-color: var(--accent-green);
}

.market-status.closed .status-dot {
    background-color: var(--accent-red);
    animation: none;
}

@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(--bg-hover);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo {
    text-align: center;
    margin-bottom: 1.5rem;
}

.login-logo .logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
    border-radius: 12px;
    margin: 0 auto 1rem;
}

/* Alerts */
.alert {
    border-radius: 4px;
    border: none;
}

.alert-success {
    background-color: rgba(38, 166, 154, 0.15);
    color: var(--accent-green);
}

.alert-danger {
    background-color: rgba(239, 83, 80, 0.15);
    color: var(--accent-red);
}

.alert-warning {
    background-color: rgba(255, 235, 59, 0.15);
    color: var(--warning);
}

.alert-info {
    background-color: rgba(41, 98, 255, 0.15);
    color: var(--accent-blue);
}

/* Indicator Panel */
.indicator-panel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

.indicator-item {
    background-color: var(--bg-tertiary);
    border-radius: 6px;
    padding: 0.75rem;
}

.indicator-item .indicator-name {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.indicator-item .indicator-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.indicator-item .indicator-signal {
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Dropdown */
.dropdown-menu {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.dropdown-item {
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
}

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

.dropdown-divider {
    border-color: var(--border-color);
}

/* Footer */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 1rem;
    text-align: center;
}

/* Container adjustments */
.container-fluid {
    padding: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
    html {
        font-size: 13px;
    }
    
    .stat-card .stat-value {
        font-size: 1.5rem;
    }
    
    #renko-chart {
        height: 350px;
    }
}

/* Loading spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(19, 23, 34, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

/* Real-time indicator */
.realtime-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--accent-green);
    background-color: rgba(38, 166, 154, 0.15);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.realtime-badge .dot {
    width: 6px;
    height: 6px;
    background-color: var(--accent-green);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

/* Clickable row */
.clickable-row {
    cursor: pointer;
}

.clickable-row:hover {
    background-color: var(--bg-hover) !important;
}

/* Tooltip */
.tooltip-inner {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.tooltip.bs-tooltip-top .tooltip-arrow::before {
    border-top-color: var(--border-color);
}