/* css/styles.css — ПОЛНЫЙ ФАЙЛ (С БЕЛЫМ ТЕКСТОМ У АКТИВНЫХ КНОПОК) */
/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background: #0a0a0a;
    color: #e0e0e0;
}

/* ===== HEADER ===== */
.header {
    background: #141414;
    border-bottom: 1px solid #2a2a2a;
    padding: 8px 16px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.logo {
    font-weight: 600;
    font-size: 16px;
    color: #fff;
}

.logo span {
    color: #b0b0b0;
}

/* ===== FILTERS ===== */
.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    background: #1e1e1e;
    border: 1px solid #333;
    color: #aaa;
    padding: 8px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.1s;
}

.filter-btn:hover {
    background: #2a2a2a;
    color: #fff;
}

.filter-btn.active {
    background: transparent;
    color: #fff;
    border-color: #b0b0b0;
}

.filter-btn .count {
    background: #333;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
}

.filter-btn.active .count {
    background: #fff;
    color: #000;
}

/* ===== SETTINGS ===== */
.settings {
    margin-left: auto;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

select,
.sort-select,
.volume-filter {
    background: #1e1e1e;
    border: 1px solid #333;
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

select option {
    background: #1e1e1e;
    color: #fff;
}

select optgroup {
    background: #1e1e1e;
    color: #888;
    font-style: normal;
}

/* ===== STATUS BAR ===== */
.status-bar {
    padding: 6px 16px;
    background: #1a1a1a;
    font-size: 12px;
    color: #aaa;
    border-bottom: 1px solid #2a2a2a;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-items: center;
}

.refresh-btn,
.alert-btn,
.grid-settings-btn {
    background: #1e1e1e;
    border: 1px solid #333;
    color: #fff;
    padding: 3px 10px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
}

.refresh-btn:hover,
.alert-btn:hover,
.grid-settings-btn:hover {
    background: #2a2a2a;
}

/* ===== GRID CONTAINER ===== */
.grid-container {
    display: grid;
    gap: 8px;
    padding: 12px;
    --grid-cols: repeat(auto-fill, minmax(340px, 1fr));
    grid-template-columns: var(--grid-cols);
}

/* ===== CHART CARD ===== */
.chart-card {
    background: #141414;
    border: 1px solid #2a2a2a;
    border-radius: 6px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.signal-card {
    border-left: 3px solid #b0b0b0;
}

/* ===== ВЕРХНЯЯ ПАНЕЛЬ ===== */
.chart-header {
    padding: 4px 6px;
    display: flex;
    align-items: center;
    gap: 4px;
    border-bottom: 1px solid #222;
    background: #141414;
    flex-shrink: 0;
}

.symbol-text {
    font-weight: 600;
    color: #fff;
    font-size: 12px;
}

/* КВАДРАТИКИ F/S */
.market-type-badge {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2px;
    font-size: 9px;
    font-weight: 700;
    color: #fff;
    background: #1e3a5f;
}

.market-type-badge.spot {
    background: #1a5c2a;
}

/* БИРЖА */
.exchange-badge {
    color: #aaa;
    font-size: 10px;
    font-weight: 500;
}

.chart-price {
    font-family: monospace;
    font-weight: 500;
    font-size: 12px;
    margin-left: auto;
}

.positive {
    color: #00c853;
}

.negative {
    color: #ff5252;
}

.chart-change {
    font-size: 10px;
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 500;
}

.chart-change.positive {
    background: rgba(0, 200, 83, 0.15);
}

.chart-change.negative {
    background: rgba(255, 82, 82, 0.15);
}

.volume-badge {
    color: #888;
    font-size: 10px;
}

.copy-symbol-btn,
.alert-symbol-btn {
    background: transparent;
    border: none;
    color: #555;
    cursor: pointer;
    font-size: 12px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    transition: color 0.2s;
}

.copy-symbol-btn:hover,
.alert-symbol-btn:hover {
    color: #fff;
}

/* ===== ГРАФИК ===== */
.chart-body {
    flex: 1;
    height: 360px;
    min-height: 360px;
    position: relative;
    background: #000000;
    overflow: hidden;
}

.chart-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: #555;
    font-size: 12px;
}

/* ===== НИЖНЯЯ ПАНЕЛЬ ===== */
.chart-footer {
    display: none;
}

/* ===== METRIC BADGES ===== */
.metric-badge {
    background: #1e1e1e;
    padding: 2px 5px;
    border-radius: 10px;
    font-size: 9px;
    color: #aaa;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 3px;
    cursor: default;
    border: 1px solid transparent;
}

.metric-badge.positive {
    color: #00c853;
}

.metric-badge.negative {
    color: #ff5252;
}

/* ===== SIGNAL BADGE ===== */
.signal-badge {
    background: #b0b0b0;
    color: #000;
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 9px;
    font-weight: 600;
    margin-left: 4px;
}

.confidence {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 3px;
}

.confidence-high {
    background: #00c853;
}

.confidence-medium {
    background: #b0b0b0;
}

.confidence-low {
    background: #ff5252;
}

/* ===== LOADING ===== */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.spinner {
    width: 24px;
    height: 24px;
    border: 2px solid #333;
    border-top-color: #b0b0b0;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 12px;
}

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

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: #141414;
}

::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 3px;
}

/* ===== TOOLTIP ===== */
.tooltip {
    position: relative;
    border-bottom: 1px dotted #666;
    cursor: help;
}

/* ===== PERIOD SELECTOR ===== */
.period-selector {
    display: flex;
    gap: 3px;
    margin-left: auto;
}

.period-btn {
    background: #1e1e1e;
    border: 1px solid #333;
    color: #888;
    padding: 2px 5px;
    border-radius: 3px;
    font-size: 10px;
    cursor: pointer;
}

.period-btn:hover {
    background: #2a2a2a;
    color: #fff;
}

.period-btn.active {
    background: #b0b0b0;
    color: #fff;
    border-color: #b0b0b0;
}

/* ===== ALERT BADGE ===== */
.alert-badge {
    background: #b0b0b0;
    color: #000;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    margin-left: 4px;
}

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal {
    background: #1a1a1a;
    border: 1px solid #333;
    border-radius: 10px;
    width: 500px;
    max-width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 16px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}

.modal-title {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
}

.close-btn {
    background: none;
    border: none;
    color: #aaa;
    font-size: 22px;
    cursor: pointer;
    padding: 0 6px;
}

.close-btn:hover {
    color: #fff;
}

/* ===== FORM ===== */
.form-group {
    margin-bottom: 10px;
}

.form-group label {
    display: block;
    font-size: 11px;
    color: #aaa;
    margin-bottom: 3px;
}

.form-group input,
.form-group select {
    width: 100%;
    background: #0e0e0e;
    border: 1px solid #333;
    color: #fff;
    padding: 6px 10px;
    border-radius: 4px;
    font-size: 12px;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #b0b0b0;
}

.form-group input[type="checkbox"] {
    width: auto;
    margin-right: 6px;
}

/* ===== ALERT LIST ===== */
.alert-item {
    background: #0e0e0e;
    border: 1px solid #333;
    border-radius: 6px;
    padding: 10px;
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.alert-item-info {
    font-size: 11px;
}

.alert-item-info strong {
    color: #fff;
}

.alert-item-remove {
    color: #ff5252;
    cursor: pointer;
    font-size: 14px;
    padding: 2px 6px;
}

.alert-item-remove:hover {
    color: #ff0000;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background: #b0b0b0;
    color: #000;
    border: none;
    padding: 8px 14px;
    border-radius: 4px;
    font-weight: 500;
    cursor: pointer;
    width: 100%;
    font-size: 13px;
    transition: background 0.1s;
}

.btn-primary:hover {
    background: #9a9a9a;
}

.btn-secondary {
    background: #333;
    color: #fff;
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background 0.1s;
}

.btn-secondary:hover {
    background: #444;
}

/* ===== RETRY BUTTON ===== */
.retry-chart-btn {
    background: #333;
    border: 1px solid #555;
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 11px;
    transition: all 0.1s;
}

.retry-chart-btn:hover {
    background: #444;
    border-color: #777;
}

/* ===== CHART CARD BUTTONS ===== */
.chart-card-buttons {
    position: absolute;
    bottom: 4px;
    right: 4px;
    display: flex;
    gap: 3px;
    z-index: 10;
    opacity: 0;
    transition: opacity 0.2s;
}

.chart-card:hover .chart-card-buttons {
    opacity: 1;
}

.chart-card-buttons button {
    width: 22px;
    height: 22px;
    background: rgba(0, 0, 0, 0.8);
    border: 1px solid #404040;
    border-radius: 3px;
    color: #B0B0B0;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.chart-card-buttons button:hover {
    background: #2D2D2D;
    color: #FFFFFF;
}

/* ===== VOLUME SLIDER ===== */
.volume-slider {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ===== SORT ROW ===== */
.sort-row {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .settings {
        margin-left: 0;
        width: 100%;
        justify-content: flex-start;
    }
    
    .status-bar {
        flex-direction: column;
        gap: 6px;
        align-items: flex-start;
    }
    
    .grid-container {
        grid-template-columns: 1fr !important;
    }
    
    .filters {
        width: 100%;
    }
    
    .filter-btn {
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .chart-header {
        flex-wrap: wrap;
    }
    
    .settings {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .sort-row {
        flex-wrap: wrap;
    }
    
    .modal {
        padding: 12px;
    }
    
    .chart-body {
        min-height: 360px;
    }
}

/* ===== АНИМАЦИИ ===== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

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

/* ===== FOCUS VISIBLE ===== */
*:focus-visible {
    outline: 2px solid #b0b0b0;
    outline-offset: 2px;
}

/* ===== DISABLED STATE ===== */
button:disabled,
select:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ===== EMPTY STATE ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #666;
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.empty-state-text {
    font-size: 16px;
    margin-bottom: 8px;
}

.empty-state-subtext {
    font-size: 13px;
    color: #555;
}

/* ===== КНОПКА НАВЕРХ ===== */
/* ===== КНОПКА НАВЕРХ ===== */
.scroll-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    background: #2D2D2D;
    border: 1px solid #b0b0b0;
    color: #b0b0b0;
    font-size: 12px;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.scroll-top-btn:hover {
    background: #b0b0b0;
    color: #000;
    transform: scale(1.1);
}