:root {
    --bg-color: #0f172a;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-1: #38bdf8;
    --accent-2: #818cf8;
    --card-bg: rgba(30, 41, 59, 0.7);
    --border-color: rgba(255, 255, 255, 0.1);
    --glow-color: rgba(56, 189, 248, 0.5);
    --error-color: #f43f5e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start; /* Changed from center to accommodate larger content */
    padding: 2rem 0;
    position: relative;
    overflow-x: hidden;
    overflow-y: auto;
}

/* Background animated orbs */
.background {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -1;
    overflow: hidden;
}

.orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.orb-1 {
    width: 400px; height: 400px;
    background: radial-gradient(circle, var(--accent-1) 0%, transparent 70%);
    top: -100px; left: -100px;
}

.orb-2 {
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--accent-2) 0%, transparent 70%);
    bottom: -150px; right: -150px;
    animation-delay: -5s;
}

.orb-3 {
    width: 300px; height: 300px;
    background: radial-gradient(circle, #e879f9 0%, transparent 70%);
    top: 40%; left: 60%;
    animation-delay: -10s;
}

.glass-layer {
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(40px);
}

@keyframes float {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(30px, 50px) scale(1.1); }
}

/* Main Container */
.app-container {
    width: 100%;
    max-width: 900px; /* Widened for table view */
    padding: 0 2rem;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.app-header {
    text-align: center;
    margin-top: 2rem;
}

.gradient-text {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.app-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Search Box */
.controls-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    width: 100%;
}

.filter-box {
    position: relative;
    display: flex;
}

.filter-box::after {
    content: "▼";
    position: absolute;
    right: 1.2rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
    font-size: 0.8rem;
}

.filter-box select {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.5rem 2.5rem 0.5rem 1.5rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    outline: none;
    transition: all 0.3s ease;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.filter-box select:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.filter-box select option {
    background: #1e293b;
    color: #f8fafc;
}

.search-box {
    display: flex;
    width: 100%;
    max-width: 600px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 0.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--accent-1);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.3), 0 8px 32px rgba(0, 0, 0, 0.4);
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-size: 1.1rem;
    padding: 0.5rem 1.5rem;
}

.search-box input::placeholder {
    color: var(--text-secondary);
}

.search-box button {
    background: linear-gradient(135deg, #fb7185, #e11d48);
    border: none;
    border-radius: 50%;
    width: 48px;
    height: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.search-box button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(225, 29, 72, 0.6);
}

.search-box button:active {
    transform: scale(0.95);
}

/* State Messages */
.state-message {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    padding: 3rem 0;
    transition: opacity 0.3s ease;
}

.error-message {
    color: var(--error-color);
}

.error-message svg {
    color: var(--error-color);
}

.spinner {
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid var(--accent-1);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.hidden {
    display: none !important;
}

/* Table Styles */
.table-container {
    width: 100%;
    overflow-x: auto;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 60vh;
}

.table-container::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.table-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

.table-container::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
}

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

.market-table th {
    background: rgba(15, 23, 42, 0.95);
    position: sticky;
    top: 0;
    padding: 1rem 1.5rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    white-space: nowrap;
    z-index: 2;
}

.sortable {
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

.sortable:hover {
    color: var(--accent-1);
}

.sort-icon {
    font-size: 0.8rem;
    margin-left: 0.2rem;
    display: inline-block;
}

.market-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    white-space: nowrap;
    color: var(--text-primary);
}

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

.market-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.08);
    cursor: pointer;
}

.market-table .high-yield {
    color: #06d6a0;
    font-weight: 600;
}

.market-table .code-cell {
    color: var(--accent-1);
    font-family: monospace;
    font-size: 1.1rem;
}

/* Result Card */
.result-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    animation: slideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
    max-width: 700px;
    margin: 0 auto;
}

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

.back-btn {
    margin-bottom: 1.5rem;
    background: var(--error-color);
    border: none;
    color: white;
    padding: 0.5rem 1.2rem;
    border-radius: 99px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
}

.back-btn:hover {
    background: #e11d48;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(244, 63, 94, 0.4);
}

.card-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.etf-identity {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.etf-code {
    background: rgba(56, 189, 248, 0.15);
    padding: 0.4rem 1rem;
    border-radius: 99px;
    font-weight: 600;
    color: var(--accent-1);
    letter-spacing: 1px;
}

.etf-name {
    font-size: 1.8rem;
    font-weight: 600;
}

.card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.data-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.2rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    transition: transform 0.2s ease;
}

.data-group:hover {
    transform: translateY(-2px);
    background: rgba(0, 0, 0, 0.3);
}

.data-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.data-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.highlight .data-value {
    color: #ffd166;
}

.highlight-accent .data-value {
    color: #06d6a0;
}

/* Analysis Section */
.analysis-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(8, 145, 178, 0.15);
    border-left: 4px solid var(--accent-1);
    border-radius: 0 16px 16px 0;
}

.analysis-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--accent-1);
}

.analysis-section p {
    color: var(--text-primary);
    line-height: 1.6;
    font-weight: 300;
}

/* Responsiveness */
@media (max-width: 600px) {
    .card-grid {
        grid-template-columns: 1fr;
    }
    .gradient-text {
        font-size: 2.2rem;
    }
    .market-table td, .market-table th {
        padding: 0.8rem;
    }
}