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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: #0f172a;
    min-height: 100vh;
    padding: 20px;
    color: #e2e8f0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    background: #1e293b;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

header {
    background: linear-gradient(135deg, #1e3a8a 0%, #4338ca 100%);
    color: white;
    padding: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 28px;
    font-weight: 600;
}

.header-info {
    display: flex;
    gap: 10px;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    backdrop-filter: blur(10px);
}

.tabs {
    display: flex;
    background: #0f172a;
    border-bottom: 2px solid #334155;
}

.tab-button {
    flex: 1;
    padding: 16px 24px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.tab-button:hover {
    background: #1e293b;
    color: #e2e8f0;
}

.tab-button.active {
    background: #1e293b;
    color: #60a5fa;
    border-bottom: 3px solid #60a5fa;
}

.tab-content {
    display: none;
    padding: 30px;
}

.tab-content.active {
    display: block;
}

.toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: #3b82f6;
    color: white;
}

.btn-primary:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.btn-secondary {
    background: #334155;
    color: #e2e8f0;
}

.btn-secondary:hover {
    background: #475569;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-success {
    background: #10b981;
    color: white;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
}

.count-badge {
    background: #1e3a8a;
    color: #93c5fd;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-left: auto;
}

.table-container {
    overflow-x: auto;
    border: 1px solid #334155;
    border-radius: 8px;
    background: #0f172a;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead {
    background: #1e293b;
}

th {
    padding: 14px 12px;
    text-align: left;
    font-weight: 600;
    color: #94a3b8;
    border-bottom: 2px solid #334155;
    white-space: nowrap;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.5px;
}

td {
    padding: 16px 12px;
    border-bottom: 1px solid #1e293b;
    color: #cbd5e1;
}

tbody tr:hover {
    background: #1e293b;
}

.loading {
    text-align: center;
    color: #64748b;
    padding: 40px !important;
}

.result-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.result-pass {
    background: #064e3b;
    color: #6ee7b7;
}

.result-fail {
    background: #7f1d1d;
    color: #fca5a5;
}

.result-skip {
    background: #78350f;
    color: #fcd34d;
}

.result-error {
    background: #7f1d1d;
    color: #fca5a5;
}

.tag {
    display: inline-block;
    background: #1e3a8a;
    color: #93c5fd;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 11px;
    margin: 2px;
}

.file-type-badge {
    background: #1e3a8a;
    color: #93c5fd;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
}

.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 20px;
    padding: 20px;
}

#page-info {
    font-weight: 500;
    color: #94a3b8;
}

.upload-section, .query-section {
    max-width: 800px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

label {
    display: block;
    font-weight: 500;
    color: #cbd5e1;
    margin-bottom: 6px;
    font-size: 14px;
}

input[type="text"],
input[type="file"],
input[type="datetime-local"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #334155;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s;
    background: #0f172a;
    color: #e2e8f0;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

small {
    color: #64748b;
    font-size: 12px;
    display: block;
    margin-top: 4px;
}

#upload-status {
    margin-top: 20px;
    padding: 14px;
    border-radius: 6px;
    display: none;
}

#upload-status.success {
    background: #064e3b;
    color: #6ee7b7;
    display: block;
}

#upload-status.error {
    background: #7f1d1d;
    color: #fca5a5;
    display: block;
}

.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: #1e293b;
    padding: 30px;
    border-radius: 12px;
    max-width: 700px;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    border: 1px solid #334155;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: #64748b;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #e2e8f0;
}

.detail-row {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid #334155;
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-label {
    font-weight: 600;
    color: #94a3b8;
    margin-bottom: 4px;
}

.detail-value {
    color: #cbd5e1;
}

pre {
    background: #0f172a;
    padding: 12px;
    border-radius: 6px;
    overflow-x: auto;
    font-size: 12px;
    border: 1px solid #334155;
}

code {
    background: #0f172a;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 12px;
    color: #93c5fd;
}

.action-buttons {
    display: flex;
    gap: 8px;
}

.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    transition: all 0.3s;
    color: #94a3b8;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    background: #334155;
    color: #e2e8f0;
    transform: scale(1.1);
}

/* Ensure SVG icons inherit color */
.icon-btn svg {
    stroke: currentColor;
}

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

    header {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .table-container {
        font-size: 12px;
    }

    th, td {
        padding: 8px 6px;
    }
}