@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

/* ── Container ───────────────────────────────────────────────────────────── */
#cet-auditor-container {
    font-family: 'Inter', sans-serif;
    max-width: 960px;
    margin: 40px auto;
    padding: 44px;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 24px;
    box-shadow: 0 20px 48px rgba(0, 0, 0, 0.09);
    color: #1f2937;
}

@media (prefers-color-scheme: dark) {
    #cet-auditor-container {
        background: rgba(31, 41, 55, 0.75);
        border-color: rgba(255, 255, 255, 0.1);
        color: #f9fafb;
    }
}

/* ── Intro ───────────────────────────────────────────────────────────────── */
.cet-intro {
    text-align: center;
    margin-bottom: 32px;
}

.cet-intro h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin: 0 0 14px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cet-intro p {
    font-size: 1.05rem;
    color: #6b7280;
    line-height: 1.65;
    max-width: 620px;
    margin: 0 auto;
}

@media (prefers-color-scheme: dark) {
    .cet-intro p { color: #9ca3af; }
}

/* ── Steps ───────────────────────────────────────────────────────────────── */
.cet-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 36px;
    flex-wrap: wrap;
}

.cet-step {
    display: flex;
    align-items: center;
    gap: 8px;
}

.cet-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3b82f6, #4f46e5);
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cet-step-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #374151;
}

@media (prefers-color-scheme: dark) {
    .cet-step-label { color: #d1d5db; }
}

.cet-step-arrow {
    color: #d1d5db;
    font-size: 1.1rem;
}

/* ── Upload panels ───────────────────────────────────────────────────────── */
.cet-upload-panels {
    display: flex;
    gap: 28px;
    margin-bottom: 36px;
}

@media (max-width: 680px) {
    .cet-upload-panels { flex-direction: column; }
}

.cet-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.cet-panel h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 14px;
}

.cet-dropzone {
    width: 100%;
    position: relative;
    padding: 52px 20px 40px;
    border: 2px dashed #d1d5db;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.3);
    text-align: center;
    cursor: pointer;
    transition: border-color 0.25s, background 0.25s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

@media (prefers-color-scheme: dark) {
    .cet-dropzone {
        border-color: #4b5563;
        background: rgba(17, 24, 39, 0.3);
    }
}

.cet-dropzone:hover,
.cet-dropzone.dragover {
    border-color: #3b82f6;
    background: rgba(59, 130, 246, 0.06);
}

.cet-icon {
    font-size: 2.4rem;
    line-height: 1;
    color: #9ca3af;
}

.cet-dropzone p {
    margin: 0;
    font-size: 0.95rem;
    color: #6b7280;
    font-weight: 500;
}

.cet-file-hint {
    font-size: 0.8rem;
    color: #9ca3af;
}

.cet-dropzone input[type="file"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.cet-status {
    margin-top: 12px;
    font-size: 0.88rem;
    color: #9ca3af;
    font-weight: 500;
    text-align: center;
}

.cet-status.has-file {
    color: #10b981;
}

/* ── Audit button ────────────────────────────────────────────────────────── */
.cet-actions {
    text-align: center;
    margin-bottom: 8px;
}

.cet-btn {
    padding: 14px 38px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: 'Inter', sans-serif;
}

.cet-btn-primary {
    background: linear-gradient(135deg, #3b82f6, #4f46e5);
    color: white;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.cet-btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(59, 130, 246, 0.4);
}

.cet-btn-primary:disabled {
    background: #e5e7eb;
    color: #9ca3af;
    cursor: not-allowed;
    box-shadow: none;
}

/* ── Spinner (CSS, not emoji) ────────────────────────────────────────────── */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    flex-shrink: 0;
}

/* ── Results container ───────────────────────────────────────────────────── */
.cet-results-container {
    margin-top: 40px;
    padding: 32px;
    background: rgba(16, 185, 129, 0.06);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: 20px;
}

.cet-results-header {
    text-align: center;
    margin-bottom: 28px;
}

.cet-results-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #059669;
    margin: 0 0 6px;
}

.cet-results-header p {
    color: #6b7280;
    margin: 0;
    font-size: 0.95rem;
}

/* ── Summary stat cards ──────────────────────────────────────────────────── */
.cet-summary-stats {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.cet-stat-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 24px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(0, 0, 0, 0.07);
    min-width: 100px;
}

@media (prefers-color-scheme: dark) {
    .cet-stat-card {
        background: rgba(55, 65, 81, 0.5);
        border-color: rgba(255, 255, 255, 0.08);
    }
}

.cet-stat-num {
    font-size: 1.9rem;
    font-weight: 700;
    color: #1f2937;
    line-height: 1;
}

@media (prefers-color-scheme: dark) {
    .cet-stat-num { color: #f9fafb; }
}

.cet-stat-label {
    font-size: 0.72rem;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-top: 4px;
    font-weight: 600;
}

.cet-stat-match  .cet-stat-num { color: #059669; }
.cet-stat-disc   .cet-stat-num { color: #dc2626; }
.cet-stat-only   .cet-stat-num { color: #d97706; }

/* ── Comparison table ────────────────────────────────────────────────────── */
.cet-table-area {
    margin-bottom: 28px;
}

.cet-table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.cet-comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.83rem;
    white-space: nowrap;
}

.cet-comparison-table thead tr th {
    background: linear-gradient(135deg, #3b82f6, #4f46e5);
    color: white;
    padding: 11px 12px;
    text-align: left;
    font-weight: 600;
}

.cet-comparison-table thead tr th:first-child { border-radius: 12px 0 0 0; }
.cet-comparison-table thead tr th:last-child  { border-radius: 0 12px 0 0; }

.cet-comparison-table tbody tr td {
    padding: 9px 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.cet-comparison-table tbody tr.row-match {
    background: rgba(16, 185, 129, 0.04);
}

.cet-comparison-table tbody tr.row-disc {
    background: rgba(239, 68, 68, 0.04);
}

.cet-comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.cell-diff {
    background: rgba(239, 68, 68, 0.1) !important;
    color: #b91c1c;
    font-weight: 700;
}

.cell-notes {
    white-space: normal;
    min-width: 160px;
    color: #6b7280;
    font-size: 0.8rem;
}

/* ── Status badges ───────────────────────────────────────────────────────── */
.cet-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-match {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.badge-discrepancy {
    background: rgba(239, 68, 68, 0.15);
    color: #dc2626;
}

.badge-po_only,
.badge-ao_only {
    background: rgba(245, 158, 11, 0.15);
    color: #d97706;
}

.cet-no-data {
    text-align: center;
    color: #9ca3af;
    padding: 20px 0;
}

/* ── Download buttons ────────────────────────────────────────────────────── */
.cet-download-group {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}

.cet-btn-success {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    box-shadow: 0 8px 20px rgba(16, 185, 129, 0.3);
}

.cet-btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(16, 185, 129, 0.4);
}

.cet-btn-pdf {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.3);
}

.cet-btn-pdf:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(239, 68, 68, 0.4);
}

/* ── Error message ───────────────────────────────────────────────────────── */
.cet-error-msg {
    margin-top: 20px;
    padding: 14px 18px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: 12px;
    color: #b91c1c;
    font-weight: 500;
    font-size: 0.9rem;
}

/* ── Progress panel ──────────────────────────────────────────────────────── */
#cet-progress {
    margin-top: 32px;
}

.cet-progress-card {
    padding: 32px 36px;
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.07);
    border-radius: 20px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

@media (prefers-color-scheme: dark) {
    .cet-progress-card {
        background: rgba(31, 41, 55, 0.8);
        border-color: rgba(255, 255, 255, 0.08);
    }
}

.cet-progress-title {
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: #1f2937;
    margin: 0 0 28px;
}

@media (prefers-color-scheme: dark) {
    .cet-progress-title { color: #f9fafb; }
}

/* ── Step list ───────────────────────────────────────────────────────────── */
.cet-steps-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.cet-progress-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    border-radius: 12px;
    transition: background 0.3s, opacity 0.3s;
}

.step-pending {
    opacity: 0.45;
}

.step-active {
    background: rgba(59, 130, 246, 0.08);
    opacity: 1;
}

.step-done {
    background: rgba(16, 185, 129, 0.07);
    opacity: 1;
}

/* ── Step icon ───────────────────────────────────────────────────────────── */
.step-icon {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
    box-sizing: border-box;
}

.step-pending .step-icon {
    border: 2px solid #d1d5db;
}

.step-active .step-icon {
    border: 3px solid rgba(59, 130, 246, 0.25);
    border-top-color: #3b82f6;
    animation: spin 0.75s linear infinite;
}

.step-done .step-icon {
    background: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CSS checkmark */
.step-done .step-icon::after {
    content: '';
    display: block;
    width: 9px;
    height: 5px;
    border-left: 2px solid white;
    border-bottom: 2px solid white;
    transform: rotate(-45deg) translate(1px, -1px);
}

.step-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: #374151;
    flex: 1;
}

@media (prefers-color-scheme: dark) {
    .step-label { color: #d1d5db; }
}

.step-detail {
    font-size: 0.78rem;
    color: #6b7280;
    font-weight: 500;
    white-space: nowrap;
}

/* ── Progress bar ────────────────────────────────────────────────────────── */
.cet-progress-bar-track {
    height: 8px;
    background: #f3f4f6;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 14px;
}

@media (prefers-color-scheme: dark) {
    .cet-progress-bar-track { background: rgba(255,255,255,0.1); }
}

.cet-progress-bar-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #10b981);
    background-size: 200% 100%;
    transition: width 0.45s ease;
    animation: shimmer 2s linear infinite;
}

@keyframes shimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.cet-progress-msg {
    text-align: center;
    font-size: 0.85rem;
    color: #6b7280;
    margin: 0;
    min-height: 1.2em;
}