body {
    margin: 0;
    padding: 0;
    background: #f3f3f3;
    font-family: system-ui, sans-serif;
    color: #111;
}

.page {
    max-width: 460px;
    margin: 40px auto;
    padding: 0 12px;
}

h1 {
    text-align: center;
    font-size: 22px;
    margin: 0 0 20px 0;
    font-weight: 500;
}

.box {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 16px;
    margin-bottom: 16px;
}

input[type="text"],
input[type="file"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.words {
    margin-bottom: 4px;
}

.btn {
    width: 100%;
    padding: 9px 0;
    border: none;
    border-radius: 4px;
    background: #111;
    color: #fff;
    font-size: 14px;
    cursor: pointer;
}

.btn:hover {
    background: #333;
}

.error {
    margin-top: 8px;
    font-size: 13px;
    color: #c00;
    min-height: 18px;
}

.upload {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.upload input[type="file"] {
    margin-bottom: 0;
}

.status {
    font-size: 13px;
    margin-bottom: 8px;
    min-height: 16px;
}

.empty {
    font-size: 14px;
    color: #777;
    text-align: center;
    padding: 10px 0;
}

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

th, td {
    padding: 6px;
    border-bottom: 1px solid #ddd;
}

th {
    text-align: left;
    font-weight: 500;
}

td:last-child {
    text-align: right;
}

.action-btn {
    padding: 4px 8px;
    border: 1px solid #ccc;
    background: #f7f7f7;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 4px;
}

.action-btn:hover {
    background: #e8e8e8;
}

.hidden {
    display: none;
}