:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --bg-gradient: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    --card-bg: rgba(255, 255, 255, 0.85);
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --success: #10b981;
    --error: #ef4444;
    --border-color: #e5e7eb;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.5;
    min-height: 100vh;
    padding: 2rem 1rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
    transition: transform 0.2s ease;
}

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

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, #4f46e5, #9333ea);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

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

.upload-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

@media (max-width: 768px) {
    .upload-grid {
        grid-template-columns: 1fr;
    }
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

input[type="text"],
input[type="file"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    background: white;
}

input[type="file"] {
    cursor: pointer;
}

.btn {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 0.5rem;
    font-weight: 600;
    text-align: center;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    width: 100%;
    font-size: 1.1rem;
}

.btn:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.results-table-container {
    overflow-x: auto;
    border-radius: 0.75rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

th {
    background: #f9fafb;
    padding: 1rem;
    text-align: left;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

tr:hover {
    background-color: #f3f4f6;
}

.checkmark {
    color: var(--success);
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
}

.entitlement-id {
    font-family: 'JetBrains Mono', 'Courier New', Courier, monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: #f3f4f6;
    padding: 0.2rem 0.5rem;
    border-radius: 0.25rem;
}

.center {
    text-align: center;
}

.no-data {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-style: italic;
}

.error-message {
    background: #fee2e2;
    border-left: 4px solid var(--error);
    color: #991b1b;
    padding: 1rem;
    margin-bottom: 2rem;
    border-radius: 0.5rem;
}

.results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.toggle-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #f3f4f6;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    border: 1px solid var(--border-color);
}

.toggle-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

/* Switch Styles */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(22px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

/* Filtering Logic */
.show-diff-only tr.same-row {
    display: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}