/**
 * DocDigitizer Upload File - Styles
 * Brand colors: Orange #f58032, Dark Orange #c35309, Light Orange #fef0e7
 */

/* ===== CSS Variables ===== */
:root {
    --dd-primary: #f58032;
    --dd-primary-dark: #c35309;
    --dd-primary-light: #fef0e7;
    --dd-black: #000000;
    --dd-white: #ffffff;
    --dd-gray-50: #fbfcfc;
    --dd-gray-100: #f3f4f6;
    --dd-gray-200: #e5e7eb;
    --dd-gray-400: #9ca3af;
    --dd-gray-500: #6b7280;
    --dd-gray-600: #4b5563;
    --dd-gray-700: #374151;
    --dd-gray-900: #111827;
    --dd-success: #10b981;
    --dd-error: #ef4444;
    --dd-radius: 8px;
    --dd-radius-lg: 12px;
    --dd-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
    --dd-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

/* ===== Widget Container ===== */
.dd-upload-widget {
    width: 100%;
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    box-sizing: border-box;
}

.dd-upload-widget *,
.dd-upload-widget *::before,
.dd-upload-widget *::after {
    box-sizing: border-box;
}

.dd-upload-container {
    width: 100%;
    height: 100%;
    min-height: 320px;
}

/* ===== Dropzone ===== */
.dd-upload-dropzone {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--dd-white);
    border: 2px dashed var(--dd-gray-200);
    border-radius: var(--dd-radius-lg);
    cursor: pointer;
    transition: all 0.2s ease;
    overflow: hidden;
}

.dd-upload-dropzone:hover {
    border-color: var(--dd-primary);
    background: var(--dd-primary-light);
}

.dd-upload-dropzone.dd-dragover {
    border-color: var(--dd-primary);
    border-style: solid;
    background: var(--dd-primary-light);
    transform: scale(1.01);
}

.dd-upload-dropzone.dd-uploading {
    cursor: wait;
    pointer-events: none;
    border-color: var(--dd-primary);
    background: var(--dd-primary-light);
}

.dd-upload-dropzone.dd-error {
    border-color: var(--dd-error);
}

/* ===== Upload Content ===== */
.dd-upload-content {
    text-align: center;
    padding: 40px 30px;
}

.dd-upload-icon {
    margin-bottom: 16px;
    color: var(--dd-primary);
}

.dd-upload-icon svg {
    width: 56px;
    height: 56px;
}

.dd-upload-title {
    font-size: 50px;
    font-weight: 700;
    margin: 0 0 8px 0;
    color: var(--dd-gray-900);
}

.dd-upload-subtitle {
    font-size: 15px;
    color: var(--dd-gray-500);
    margin: 0 0 24px 0;
}

.dd-upload-instructions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin: 0 0 20px 0;
}

.dd-drop-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--dd-gray-700);
    margin: 0;
}

.dd-or-text {
    font-size: 13px;
    color: var(--dd-gray-400);
    text-transform: lowercase;
}

.dd-browse-btn {
    background: var(--dd-primary-light);
    color: var(--dd-primary-dark);
    border: none;
    padding: 12px 28px;
    border-radius: var(--dd-radius);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: var(--dd-shadow);
}

.dd-browse-btn:hover {
    background: var(--dd-primary);
    color: var(--dd-white);
    transform: translateY(-1px);
    box-shadow: var(--dd-shadow-md);
}

.dd-browse-btn:active {
    transform: translateY(0);
}

.dd-upload-hint {
    font-size: 13px;
    color: var(--dd-gray-400);
    margin: 0;
}

/* ===== Progress State ===== */
.dd-upload-progress {
    text-align: center;
    padding: 40px 30px;
}

.dd-progress-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--dd-primary-light);
    border-top-color: var(--dd-primary);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: dd-spin 0.8s linear infinite;
}

@keyframes dd-spin {
    to {
        transform: rotate(360deg);
    }
}

.dd-progress-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--dd-gray-900);
    margin: 0 0 8px 0;
}

.dd-progress-hint {
    font-size: 14px;
    color: var(--dd-gray-500);
    margin: 0;
}

/* ===== Error State ===== */
.dd-upload-error {
    text-align: center;
    padding: 40px 30px;
}

.dd-error-icon {
    color: var(--dd-error);
    margin-bottom: 16px;
}

.dd-error-message {
    font-size: 15px;
    color: var(--dd-gray-700);
    margin: 0 0 20px 0;
    max-width: 300px;
    margin-left: auto;
    margin-right: auto;
}

.dd-retry-btn {
    background: transparent;
    color: var(--dd-primary);
    border: 2px solid var(--dd-primary);
    padding: 10px 24px;
    border-radius: var(--dd-radius);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* ===== Hidden file input ===== */
.dd-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    overflow: hidden;
}

/* ========================================
   RESULTS PAGE STYLES
   ======================================== */

.dd-results-page {
    min-height: 100vh;
    background: var(--dd-gray-50);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
}

.dd-results-page *,
.dd-results-page *::before,
.dd-results-page *::after {
    box-sizing: border-box;
}

.dd-results-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* ===== Header ===== */
.dd-results-header {
    text-align: center;
    margin-bottom: 32px;
}

.dd-results-logo {
    margin-bottom: 24px;
}

.dd-results-logo img {
    max-height: 40px;
}

.dd-results-logo a {
    text-decoration: none;
}

.dd-logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--dd-primary);
}

.dd-results-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dd-gray-900);
    margin: 0 0 8px 0;
}

.dd-results-subtitle {
    font-size: 15px;
    color: var(--dd-gray-500);
    margin: 0;
}

/* ===== File Card ===== */
.dd-file-card {
    background: var(--dd-white);
    border: 1px solid var(--dd-gray-200);
    border-radius: var(--dd-radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--dd-shadow);
}

.dd-file-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--dd-gray-100);
}

.dd-file-icon {
    width: 56px;
    height: 56px;
    background: var(--dd-primary-light);
    border-radius: var(--dd-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dd-primary);
    flex-shrink: 0;
}

.dd-file-icon svg {
    width: 28px;
    height: 28px;
}

.dd-file-info {
    flex: 1;
    min-width: 0;
}

.dd-file-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--dd-gray-900);
    margin: 0 0 4px 0;
    word-break: break-all;
}

.dd-file-meta {
    font-size: 14px;
    color: var(--dd-gray-500);
    margin: 0;
}

/* ===== File Details Grid ===== */
.dd-file-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.dd-detail-item {
    background: var(--dd-gray-50);
    border-radius: var(--dd-radius);
    padding: 14px 16px;
}

.dd-detail-label {
    font-size: 11px;
    color: var(--dd-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.dd-detail-value {
    font-size: 15px;
    color: var(--dd-gray-900);
    font-weight: 500;
    margin: 0;
    word-break: break-all;
}

/* ===== Status Badge ===== */
.dd-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 600;
}

.dd-status-badge.dd-status-completed {
    background: rgba(16, 185, 129, 0.1);
    color: #059669;
}

.dd-status-badge.dd-status-processing {
    background: var(--dd-primary-light);
    color: var(--dd-primary-dark);
}

.dd-status-badge.dd-status-error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

/* ===== Extraction Results ===== */
.dd-extraction-section {
    margin-top: 0;
}

.dd-extraction-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--dd-gray-900);
    margin: 0 0 16px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dd-extraction-title svg {
    color: var(--dd-primary);
}

.dd-extraction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
}

.dd-extraction-item {
    background: var(--dd-gray-50);
    border-radius: var(--dd-radius);
    padding: 14px 16px;
    border-left: 3px solid var(--dd-primary);
}

.dd-extraction-key {
    font-size: 12px;
    color: var(--dd-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-weight: 600;
    margin: 0 0 4px 0;
}

.dd-extraction-value {
    font-size: 15px;
    color: var(--dd-gray-900);
    margin: 0;
    word-break: break-word;
}

.dd-extraction-value.dd-empty {
    color: var(--dd-gray-400);
    font-style: italic;
}

/* ===== Nested Object ===== */
.dd-nested-object {
    background: var(--dd-white);
    border: 1px solid var(--dd-gray-200);
    border-radius: var(--dd-radius);
    margin-top: 8px;
    overflow: hidden;
}

.dd-nested-header {
    background: var(--dd-gray-50);
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--dd-gray-600);
    border-bottom: 1px solid var(--dd-gray-200);
}

.dd-nested-content {
    padding: 12px;
}

.dd-nested-item {
    display: flex;
    padding: 6px 0;
    border-bottom: 1px solid var(--dd-gray-100);
}

.dd-nested-item:last-child {
    border-bottom: none;
}

.dd-nested-key {
    font-size: 13px;
    color: var(--dd-gray-500);
    font-weight: 500;
    min-width: 120px;
    flex-shrink: 0;
}

.dd-nested-value {
    font-size: 13px;
    color: var(--dd-gray-900);
    word-break: break-word;
}

/* ===== Array Display ===== */
.dd-array-list {
    list-style: none;
    margin: 8px 0 0 0;
    padding: 0;
}

.dd-array-item {
    background: var(--dd-white);
    border: 1px solid var(--dd-gray-200);
    border-radius: var(--dd-radius);
    padding: 10px 12px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--dd-gray-700);
}

.dd-array-item:last-child {
    margin-bottom: 0;
}

/* ===== Error Display ===== */
.dd-error-card {
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.dd-error-card .dd-file-card-header {
    border-bottom-color: rgba(239, 68, 68, 0.1);
}

.dd-error-message-box {
    background: rgba(239, 68, 68, 0.08);
    border-radius: var(--dd-radius);
    padding: 16px;
    margin-top: 16px;
}

.dd-error-message-box p {
    margin: 0;
    color: #dc2626;
    font-size: 14px;
}

/* ===== No Results Placeholder ===== */
.dd-no-results {
    background: var(--dd-gray-50);
    border: 1px dashed var(--dd-gray-200);
    border-radius: var(--dd-radius);
    padding: 32px;
    text-align: center;
}

.dd-no-results h4 {
    margin: 0 0 8px 0;
    font-size: 16px;
    color: var(--dd-gray-700);
    font-weight: 600;
}

.dd-no-results p {
    margin: 0;
    font-size: 14px;
    color: var(--dd-gray-500);
}

/* ===== Back Link ===== */
.dd-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--dd-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    margin-top: 24px;
    transition: color 0.2s ease;
}

.dd-back-link:hover {
    color: var(--dd-primary-dark);
}

.dd-back-link svg {
    width: 16px;
    height: 16px;
}

/* ===== Session Error Page ===== */
.dd-session-error {
    text-align: center;
    padding: 60px 20px;
}

.dd-session-error-icon {
    color: var(--dd-gray-400);
    margin-bottom: 16px;
}

.dd-session-error h2 {
    font-size: 20px;
    color: var(--dd-gray-900);
    margin: 0 0 8px 0;
}

.dd-session-error p {
    color: var(--dd-gray-500);
    margin: 0 0 24px 0;
    font-size: 14px;
}

.dd-session-error .dd-back-link {
    margin-top: 0;
}

/* ===== Trace ID Display ===== */
.dd-trace-id {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    background: var(--dd-gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .dd-upload-content {
        padding: 30px 20px;
    }

    .dd-upload-title {
        font-size: 50px;
    }

    .dd-results-container {
        padding: 24px 16px;
    }

    .dd-results-title {
        font-size: 22px;
    }

    .dd-file-card {
        padding: 16px;
    }

    .dd-file-card-header {
        flex-direction: column;
        text-align: center;
    }

    .dd-file-details,
    .dd-extraction-grid {
        grid-template-columns: 1fr;
    }

    .dd-nested-item {
        flex-direction: column;
        gap: 2px;
    }

    .dd-nested-key {
        min-width: auto;
    }
}