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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans TC", sans-serif;
    background: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

h1 {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #2c3e50;
    font-size: 1.5rem;
}

h2 {
    margin: 1.5rem 0 0.75rem;
    color: #2c3e50;
    font-size: 1.2rem;
}

.upload-area {
    border: 2px dashed #aab;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    background: #fff;
    transition: border-color 0.2s, background 0.2s;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: #4472C4;
    background: #eef3fb;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.upload-hint {
    color: #888;
    font-size: 0.85rem;
    margin-top: 0.25rem;
}

.preview {
    margin-top: 1rem;
}

.preview img {
    max-width: 100%;
    max-height: 200px;
    border-radius: 6px;
    border: 1px solid #ddd;
}

.preview span {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.85rem;
    color: #666;
}

.form-row {
    margin: 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.form-row label {
    white-space: nowrap;
    font-weight: 500;
}

.form-row input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 0.95rem;
}

button#submitBtn {
    display: block;
    width: 100%;
    padding: 0.75rem;
    background: #4472C4;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background 0.2s;
}

button#submitBtn:disabled {
    background: #a0b4d0;
    cursor: not-allowed;
}

button#submitBtn:not(:disabled):hover {
    background: #365fa0;
}

.status-box {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #dde;
}

.status-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.status-step {
    padding: 0.2rem 0;
    color: #999;
    font-size: 0.95rem;
}

.status-step.active {
    color: #4472C4;
    font-weight: 500;
}

.status-step.done {
    color: #27ae60;
}

.status-step .dot {
    margin-right: 0.4rem;
}

.error-box {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: #fdecea;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    color: #c0392b;
}

.meta-info {
    margin-bottom: 0.75rem;
    color: #555;
    font-size: 0.95rem;
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    font-size: 0.9rem;
}

th {
    background: #4472C4;
    color: #fff;
    padding: 0.5rem 0.6rem;
    text-align: center;
    white-space: nowrap;
}

td {
    padding: 0.4rem 0.6rem;
    border: 1px solid #dde;
}

tr:nth-child(even) {
    background: #f8f9fb;
}

tfoot td {
    font-weight: 600;
    background: #eef3fb;
}

.download-btn {
    margin-top: 1rem;
    padding: 0.6rem 2rem;
    background: #27ae60;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    cursor: pointer;
}

.download-btn:hover {
    background: #219a52;
}

.raw-text-details {
    margin-top: 1.5rem;
}

.raw-text-details summary {
    cursor: pointer;
    color: #666;
    font-size: 0.9rem;
}

.raw-text-details pre {
    margin-top: 0.5rem;
    padding: 0.75rem;
    background: #f0f0f0;
    border-radius: 6px;
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 300px;
    overflow-y: auto;
}

@media (max-width: 600px) {
    .container { padding: 1rem 0.5rem; }
    h1 { font-size: 1.2rem; }
    .upload-area { padding: 1.5rem 1rem; }
    .form-row { flex-direction: column; align-items: flex-start; }
}