/* ==================== ROOT VARIABLES ==================== */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --text-dark: #111827;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
}

/* ==================== GLOBAL STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ==================== NAVBAR ==================== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px 0;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

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

.navbar-brand h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
}

.tagline {
    font-size: 0.75rem;
    opacity: 0.9;
    margin: 0;
    margin-top: 2px;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.last-update {
    background: rgba(255, 255, 255, 0.15);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    backdrop-filter: blur(10px);
}

/* ==================== HEADER STATS ==================== */
.header-stats {
    background: white;
    padding: 30px 20px;
    border-bottom: 2px solid var(--border-color);
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
}

.stat-card.stat-long {
    border-left-color: var(--success-color);
}

.stat-card.stat-short {
    border-left-color: var(--danger-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-card.stat-long .stat-number {
    color: var(--success-color);
}

.stat-card.stat-short .stat-number {
    color: var(--danger-color);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==================== TABS ==================== */
.tabs-container {
    background: white;
    border-bottom: 2px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    margin: 0;
}

.tabs-wrapper {
    display: flex;
    gap: 0;
    overflow-x: auto;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.tabs-wrapper::-webkit-scrollbar {
    height: 4px;
}

.tabs-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.tabs-wrapper::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 2px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 16px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--primary-color);
    background: var(--bg-light);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.tab-icon {
    font-size: 1.2rem;
}

.tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}

.tab-pane.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==================== BUTTONS ==================== */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-success:hover {
    background: #059669;
}

.btn-secondary {
    background: var(--gray-400);
    color: white;
}

.btn-secondary:hover {
    background: var(--gray-500);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ==================== FILTERS SECTION ==================== */
.filters-section {
    background: white;
    padding: 30px 20px;
    border-bottom: 2px solid var(--border-color);
}

.filters-container {
    max-width: 1400px;
    margin: 0 auto;
}

.filters-container h2 {
    font-size: 1.3rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-group select,
.filter-group input {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.filter-group select:focus,
.filter-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.filter-buttons {
    display: flex;
    gap: 10px;
}

/* ==================== SIGNALS CONTAINER ==================== */
.signals-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

.signals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

/* ==================== SIGNAL CARD ==================== */
.signal-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.signal-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.signal-card.strong-long {
    border-left-color: var(--success-color);
}

.signal-card.long {
    border-left-color: #34d399;
}

.signal-card.short {
    border-left-color: #fca5a5;
}

.signal-card.strong-short {
    border-left-color: var(--danger-color);
}

.signal-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.signal-pair {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.signal-pair-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-dark);
}

.signal-pair-tf {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
}

.signal-badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.signal-badge.strong-long,
.signal-badge.long {
    background: #d1fae5;
    color: #065f46;
}

.signal-badge.short,
.signal-badge.strong-short {
    background: #fee2e2;
    color: #7f1d1d;
}

.confidence-section {
    margin-bottom: 15px;
}

.confidence-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 600;
}

.confidence-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: 4px;
    overflow: hidden;
}

.confidence-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.trading-levels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 15px;
}

.level-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    padding: 8px;
    background: var(--gray-50);
    border-radius: 6px;
}

.level-label {
    color: var(--text-light);
    font-weight: 500;
}

.level-value {
    font-weight: 700;
    color: var(--text-dark);
}

.level-value.entry {
    color: var(--primary-color);
}

.level-value.stop-loss {
    color: var(--danger-color);
}

.level-value.tp {
    color: var(--success-color);
}

.signal-summary {
    background: var(--gray-50);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    border-left: 3px solid var(--primary-color);
}

.summary-text {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

.signal-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-light);
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* ==================== STATES ==================== */
.loading-state,
.empty-state,
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

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

.empty-icon,
.error-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.empty-state p,
.error-state p {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 5px;
}

.empty-hint {
    font-size: 0.85rem !important;
}

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

/* ==================== MARKET LISTS ==================== */
.market-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

.market-header {
    margin-bottom: 30px;
}

.market-header h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.market-header p {
    color: var(--text-light);
    font-size: 0.95rem;
}

.market-list {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

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

.market-table thead {
    background: var(--gray-100);
    border-bottom: 2px solid var(--border-color);
}

.market-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.market-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--gray-100);
}

.market-table tbody tr {
    transition: background 0.2s ease;
}

.market-table tbody tr:hover {
    background: var(--gray-50);
}

.pair-cell {
    font-weight: 600;
    color: var(--text-dark);
}

.market-table .positive {
    color: var(--success-color);
    font-weight: 600;
}

.market-table .negative {
    color: var(--danger-color);
    font-weight: 600;
}

.analyze-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.analyze-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

/* ==================== COIN ANALYSIS ==================== */
.coin-analysis-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px 20px;
}

.coin-search {
    margin-bottom: 30px;
}

.coin-search h2 {
    font-size: 1.8rem;
    color: var(--text-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-box {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

#coinSearchInput {
    flex: 1;
    min-width: 300px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

#coinSearchInput:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.coin-details-view {
    background: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.coin-details-container {
    animation: slideUp 0.4s ease;
}

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

.coin-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.coin-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.coin-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

.timeframe-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.tf-tab {
    background: var(--gray-100);
    border: 2px solid transparent;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-light);
    transition: all 0.2s ease;
}

.tf-tab:hover {
    background: var(--gray-200);
    color: var(--text-dark);
}

.tf-tab.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.analysis-card {
    display: none;
    background: var(--gray-50);
    padding: 25px;
    border-radius: 12px;
    border-left: 4px solid var(--primary-color);
}

.analysis-card.active {
    display: block;
}

.analysis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border-color);
}

.analysis-header h3 {
    font-size: 1.3rem;
    color: var(--text-dark);
}

.indicators-section {
    margin: 25px 0;
}

.indicators-section h4 {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.indicators-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.indicator {
    background: white;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.indicator:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.indicator label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
    font-weight: 500;
}

.indicator .value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.summary-section {
    margin-top: 25px;
    background: white;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--success-color);
}

.summary-section h4 {
    color: var(--text-dark);
    margin-bottom: 10px;
}

.summary-section p {
    color: var(--text-light);
    line-height: 1.6;
}

/* ==================== MODAL ==================== */
.modal {
    display: none !important;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
    overflow: hidden;
}

.modal.active {
    display: flex !important;
}

.modal-content {
    background: white;
    padding: 30px;
    border-radius: 12px;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    animation: slideUp 0.3s ease;
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    background: none;
    border: none;
    transition: color 0.2s ease;
    z-index: 2001;
}

.close-btn:hover {
    color: var(--text-dark);
}


/* ==================== FOOTER ==================== */
.footer {
    background: var(--gray-800);
    color: white;
    padding: 30px 20px;
    text-align: center;
    margin-top: 60px;
    border-top: 2px solid var(--border-color);
}

.footer-content p {
    margin: 8px 0;
    font-size: 0.9rem;
    opacity: 0.9;
}

/* ==================== UTILITIES ==================== */
.empty-message,
.loading-message {
    text-align: center;
    padding: 40px;
    color: var(--text-light);
    font-size: 1.1rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1024px) {
    .signals-grid {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    }

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

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

@media (max-width: 768px) {
    .navbar-container {
        flex-direction: column;
        gap: 15px;
    }

    .navbar-brand h1 {
        font-size: 1.3rem;
    }

    .navbar-actions {
        width: 100%;
        justify-content: space-between;
    }

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

    .tabs-wrapper {
        padding: 0 10px;
    }

    .tab-btn {
        padding: 12px 16px;
        font-size: 0.85rem;
    }

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

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

    .market-table th,
    .market-table td {
        padding: 12px 8px;
        font-size: 0.8rem;
    }

    .search-box {
        flex-direction: column;
    }

    #coinSearchInput {
        min-width: 100%;
    }

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

    .analysis-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .modal-content {
        max-width: 95%;
        margin: 20px;
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .navbar-brand {
        gap: 10px;
    }

    .navbar-brand h1 {
        font-size: 1.1rem;
    }

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

    .tab-btn {
        padding: 10px 12px;
        font-size: 0.8rem;
    }

    .tab-icon {
        font-size: 1rem;
    }

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

    .trading-levels {
        grid-template-columns: 1fr;
    }

    .market-table th,
    .market-table td {
        padding: 10px 5px;
        font-size: 0.75rem;
    }

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

    .coin-header h2 {
        font-size: 1.5rem;
    }
}

/* ==================== PRINT STYLES ==================== */
@media print {
    .navbar,
    .tabs-container,
    .filters-section,
    .footer {
        display: none;
    }

    .signals-grid,
    .market-list {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}