:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --secondary: #ec4899;
    --bg-color: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --accent: #22d3ee;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

.background-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, #1e1b4b 0%, #0f172a 100%);
    z-index: -1;
}

.background-glow::after {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.15;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.025em;
}

h1 span {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.subtitle {
    color: var(--text-dim);
    font-size: 1.1rem;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.input-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.input-with-button {
    display: flex;
    gap: 0.5rem;
}

input[type="text"] {
    flex: 1;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    color: white;
    font-family: inherit;
    outline: none;
    transition: all 0.2s;
}

input[type="text"]:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

button {
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    white-space: nowrap;
}

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

.primary-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.browse-btn {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    padding: 0.75rem 1rem;
}

.browse-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.secondary-btn {
    background: rgba(236, 72, 153, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(236, 72, 153, 0.3);
}

.secondary-btn:hover {
    background: rgba(236, 72, 153, 0.2);
}

.tools-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.text-btn {
    background: transparent;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.excel-btn {
    background: rgba(34, 197, 94, 0.1);
    color: #4ade80;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.status {
    font-size: 0.85rem;
    color: var(--text-dim);
}

.badge {
    background: var(--primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Table Design */
.table-container {
    padding: 0;
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    background: rgba(15, 23, 42, 0.4);
    text-align: left;
    padding: 1rem;
    color: var(--accent);
    text-transform: uppercase;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
}

th:hover {
    background: rgba(15, 23, 42, 0.6);
}

td {
    padding: 1rem;
    border-top: 1px solid var(--glass-border);
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

.empty-state {
    padding: 3rem;
    text-align: center;
    color: var(--text-dim);
}

footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

footer p {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-bottom: 0.25rem;
}

footer a {
    color: var(--primary);
    text-decoration: none;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    padding: 2rem;
}

.modal-content {
    max-width: 800px;
    margin: 0 auto;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

.close-btn {
    cursor: pointer;
    font-size: 1.5rem;
}

pre {
    background: #000;
    padding: 1rem;
    border-radius: 0.5rem;
    white-space: pre-wrap;
    word-wrap: break-word;
}