/* ETF's Modal Table styling */
.etfs-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* ETF Tabs Styling */
.etf-tabs {
    display: flex;
    gap: 12px;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.etf-tab-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.etf-tab-btn.active {
    background: var(--accent-color);
    color: #ffffff;
    border-color: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-glow);
}

.etf-tab-btn:hover:not(.active) {
    border-color: var(--accent-color);
    color: var(--text-primary);
}

.flow-positive {
    color: #2ea043 !important;
    font-weight: 600;
}

.flow-negative {
    color: #f85149 !important;
    font-weight: 600;
}

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

/* =========================================
   SPA (Single Page App) Styles 
   ========================================= */
.page-section {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.page-section.active {
    display: block;
}

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

/* =========================================
   Tools Section Styles 
   ========================================= */
.tools-container {
    margin: 0 auto;
    width: 100%;
    max-width: 900px;
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.tools-header {
    text-align: center;
    margin-bottom: 40px;
}

.tools-header h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.tools-header h1 i {
    color: var(--accent-color);
}

.tools-header p {
    color: var(--text-secondary);
    font-size: 1rem;
}

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

.tool-card {
    background: var(--card-bg, rgba(22, 27, 34, 0.4));
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
}

.tool-card:hover {
    background: var(--card-hover-bg, rgba(33, 38, 45, 0.7));
    transform: translateY(-3px);
    border-color: var(--accent-color);
    box-shadow: 0 8px 25px var(--accent-glow);
}

body.light-mode .tool-card {
    background: rgba(255, 255, 255, 0.5);
}
body.light-mode .tool-card:hover {
    background: rgba(243, 244, 246, 0.9);
}

.tool-icon {
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: rgba(88, 166, 255, 0.1);
    color: var(--accent-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    transition: var(--transition);
}

.tool-card:hover .tool-icon {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 0 15px var(--accent-glow);
}

.tool-info h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.tool-info p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

@media (max-width: 600px) {
    .tools-grid {
        grid-template-columns: 1fr;
    }
    .tool-card {
        padding: 20px;
    }
}

/* =========================================
   About Section Styles 
   ========================================= */
.about-container {
    margin: 0 auto;
    width: 100%;
    max-width: 600px;
    background: var(--panel-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
    display: flex;
    flex-direction: column;
    gap: 30px;
    align-items: center;
    text-align: center;
}

.about-logo-wrapper {
    position: relative;
}

.about-logo {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    border: 3px solid var(--accent-color);
    box-shadow: 0 0 20px rgba(88, 166, 255, 0.3);
    object-fit: cover;
}

.about-details h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 5px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-details .subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.about-author {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 15px 30px;
    width: 100%;
    margin-bottom: 10px;
}

.about-author h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
}

.about-author p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.about-links {
    display: flex;
    gap: 15px;
    width: 100%;
    justify-content: center;
}

.about-btn {
    flex: 1;
    max-width: 180px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
}

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

.website-btn:hover {
    background: var(--accent-hover);
}

.github-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.github-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.about-footer {
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.about-footer-icon {
    width: 16px;
    height: 16px;
    border-radius: 50%;
}

/* ===== Inline Tool Viewer ===== */
.tool-viewer {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 90px);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--panel-bg);
    animation: fadeInUp 0.3s ease;
}

.tool-viewer-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1.25rem;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(12px);
    flex-shrink: 0;
}

.tool-back-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.45rem 1rem;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--accent-color);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.tool-back-btn:hover {
    background: var(--accent-color);
    color: #fff;
    border-color: var(--accent-color);
}

.tool-viewer-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
    opacity: 0.85;
}

.tool-iframe {
    flex: 1;
    width: 100%;
    border: none;
    background: var(--bg-color);
}