:root {
    --primary: #7c3aed;
    --primary-light: #8b5cf6;
    --primary-dark: #6d28d9;
    --secondary: #0ea5e9;
    --secondary-light: #38bdf8;
    --secondary-dark: #0284c7;
    --neutral-50: #fafafa;
    --neutral-100: #f4f4f5;
    --neutral-200: #e4e4e7;
    --neutral-300: #d4d4d8;
    --neutral-400: #a1a1aa;
    --neutral-500: #71717a;
    --neutral-600: #52525b;
    --neutral-700: #3f3f46;
    --neutral-800: #27272a;
    --neutral-900: #18181b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    --surface-0: #ffffff;
    --surface-1: #fafafa;
    --surface-2: #f4f4f5;
    --surface-3: #e4e4e7;
    --font-sans: 'Outfit', system-ui, -apple-system, sans-serif;
    --font-display: 'Cal Sans', var(--font-sans);
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: var(--font-sans);
    background-color: var(--surface-1);
    color: var(--neutral-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
.container {
    width: 100%;
    max-width: none;
    margin: 0;
    padding: var(--spacing-lg);
}
.header-content {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: linear-gradient(120deg, rgba(255,240,255,0.5), rgba(240,240,255,0.5));
    border-radius: 12px;
    padding: 20px 30px;
    font-family: var(--font-display);
}
.header-content h1 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.5rem;
}
.header-content p {
    color: #666;
    font-size: 1rem;
    font-weight: 400;
}
.upload-section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: var(--spacing-xl);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    border: 1px solid #eef0f6;
}
.upload-area {
    background: #f8fafc;
    border: 2px dashed #e0e4e8;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
}
.upload-area:hover, .upload-area:focus {
    border-color: var(--primary);
    background: #f5f7ff;
}
.upload-area i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}
.upload-area h3 {
    font-size: 1.4rem;
    color: #333;
    margin: 0 0 10px 0;
}
.upload-area p {
    color: #666;
    margin: 0 0 20px 0;
}
.file-input-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}
.file-input {
    display: none !important;
}
.file-input-label {
    background-color: var(--primary);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0 20px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(99,102,241,0.08);
    transition: background 0.2s, box-shadow 0.2s;
    text-decoration: none;
    margin: 0;
}
.file-input-label:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(99,102,241,0.12);
}
.file-input-label i {
    font-size: 1rem;
    color: #fff;
}
.loading-section {
    text-align: center;
    padding: 40px;
    background: #fff;
    border-radius: 12px;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    border: 1px solid #eef0f6;
}
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}
.results-section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    border: 1px solid #eef0f6;
}
#reportName {
    font-family: var(--font-display);
    color: var(--primary-dark);
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
}
#filters {
    display: flex;
    flex-wrap: wrap;
    gap: 1.2rem 2.5rem;
    margin-bottom: 1.5rem;
    background: #f5f7fa;
    padding: 1.1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    align-items: center;
    justify-content: flex-start;
    min-width: 0;
}
#filters label {
    font-size: 1.08rem;
    color: #333;
    font-weight: 500;
    margin-right: 1.2rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}
#filters select {
    margin-left: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: 6px;
    border: 1px solid #cfd8dc;
    background: #fff;
    font-size: 1.08rem;
    min-width: 120px;
}
#tableContainer {
    overflow-x: auto;
    margin-top: 1.5rem;
    min-width: 0;
    width: 100%;
    max-width: 100vw;
}
table {
    width: 100%;
    min-width: 1200px;
    max-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    overflow: hidden;
}
th, td {
    padding: 1.1rem 1.2rem;
    border-bottom: 1px solid #e0e0e0;
    text-align: left;
    font-size: 1.08rem;
}
th {
    background: #e3eafc;
    color: #1a237e;
    font-weight: 600;
    border-bottom: 2px solid #b0bec5;
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}
th:hover {
    background: #d1e7fc;
}
th.sort-asc::after {
    content: ' ▲';
    color: var(--primary);
    font-weight: bold;
}
th.sort-desc::after {
    content: ' ▼';
    color: var(--primary);
    font-weight: bold;
}
tr:last-child td {
    border-bottom: none;
}
.compatible-reports {
  background: var(--surface-0);
  border: 1px solid var(--neutral-200);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

.compatible-reports h3 {
  color: var(--neutral-800);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.compatible-reports ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.compatible-reports li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--neutral-100);
  color: var(--neutral-700);
  font-size: 0.95rem;
  line-height: 1.5;
}

.compatible-reports li:last-child {
  border-bottom: none;
}

.compatible-reports strong {
  color: var(--neutral-900);
  font-weight: 600;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.report-grid ul {
  list-style: disc;
  padding-left: var(--spacing-md);
  margin: 0;
}

.report-grid li {
  padding: var(--spacing-xs) 0;
  border-bottom: none;
  color: var(--neutral-700);
  font-size: 0.95rem;
  line-height: 1.4;
}
@media (max-width: 900px) {
    .container {
        padding: 1rem 0.2rem 1.5rem 0.2rem;
        width: 100vw;
    }
    .header-content h1 {
        font-size: 1.3rem;
    }
    th, td {
        font-size: 0.97rem;
        padding: 0.45rem 0.3rem;
    }
    #filters label {
        font-size: 0.97rem;
    }
    .upload-section, .results-section {
        padding: 1rem;
    }
}

/* Screenshot button styles */
.screenshot-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: white;
    border: none;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-lg);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.screenshot-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.screenshot-btn:hover::before {
    left: 100%;
}

.screenshot-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 25px rgba(124, 58, 237, 0.35);
}

.screenshot-btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
    transition: all 0.1s ease;
}

.screenshot-btn i {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.screenshot-btn:hover i {
    transform: scale(1.1);
}

/* Loading state for screenshot button */
.screenshot-btn.loading {
    background: linear-gradient(135deg, var(--neutral-400) 0%, var(--neutral-500) 100%);
    cursor: not-allowed;
    pointer-events: none;
    transform: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.screenshot-btn.loading::after {
    content: '';
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-left: 0.5rem;
}

/* Success state */
.screenshot-btn.success {
    background: linear-gradient(135deg, var(--success) 0%, #059669 100%);
    animation: successPulse 0.6s ease-out;
}

/* Info state (download fallback) */
.screenshot-btn.info {
    background: linear-gradient(135deg, var(--info) 0%, #2563eb 100%);
    animation: infoPulse 0.6s ease-out;
}

/* Error state */
.screenshot-btn.error {
    background: linear-gradient(135deg, var(--error) 0%, #dc2626 100%);
    animation: errorShake 0.6s ease-out;
}

/* Animations */
@keyframes successPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes infoPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

@keyframes errorShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Mobile responsiveness for screenshot button */
@media (max-width: 768px) {
    .screenshot-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9rem;
        width: 100%;
        justify-content: center;
    }
    
    #screenshotButton {
        position: sticky !important;
        top: 0 !important;
        background: rgba(255,255,255,0.98) !important;
        backdrop-filter: blur(15px) !important;
        padding: 0.75rem !important;
        margin: -0.75rem -0.75rem 0.75rem -0.75rem !important;
        border-bottom: 1px solid #e5e7eb !important;
        z-index: 100 !important;
    }
} 

/* Assign button (flat, gradient-free) */
.assign-btn {
    appearance: none;
    background-color: var(--primary);
    color: #fff;
    border: none;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.06s ease;
    line-height: 1;
}

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

.assign-btn:active {
    transform: translateY(1px);
}

.assign-btn:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}