:root {
    --color-bg: #f4f5f7;
    --color-card: #ffffff;
    --color-text: #1f2430;
    --color-muted: #6b7280;
    --color-primary: #2563eb;
    --color-primary-dark: #1d4ed8;
    --color-border: #e2e4e9;
    --color-success-bg: #ecfdf5;
    --color-success-text: #065f46;
    --color-error-bg: #fef2f2;
    --color-error-text: #991b1b;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
}

.page {
    max-width: 720px;
    margin: 0 auto;
    padding: 2rem 1rem 4rem;
}

.page-header { text-align: center; margin-bottom: 2rem; }
.page-header h1 { margin-bottom: 0.25rem; font-size: 1.75rem; }
.subtitle { color: var(--color-muted); margin: 0; }

.card {
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.success-card { background: var(--color-success-bg); color: var(--color-success-text); border-color: #a7f3d0; }
.error-card { background: var(--color-error-bg); color: var(--color-error-text); border-color: #fecaca; }
.error-card ul { margin: 0.5rem 0 0; padding-left: 1.25rem; }

.field { display: block; margin-bottom: 1rem; }
.field span { display: block; margin-bottom: 0.375rem; font-weight: 600; font-size: 0.9rem; }
.field input[type="file"],
.field input[type="text"],
.field input[type="password"] {
    width: 100%;
    padding: 0.6rem 0.75rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
    background: #fff;
}

.button {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    border: none;
    padding: 0.7rem 1.4rem;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease;
}
.button:hover { background: var(--color-primary-dark); }
.button:disabled { background: #9ca3af; cursor: not-allowed; }
.button-small { padding: 0.35rem 0.8rem; font-size: 0.85rem; }

.order-code {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    text-align: center;
    padding: 1rem;
    margin: 1rem 0;
    background: #fff;
    border: 2px dashed #a7f3d0;
    border-radius: var(--radius);
}

.hint { color: var(--color-muted); font-size: 0.9rem; }

.file-setting {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.9rem 1rem;
    margin-bottom: 0.75rem;
    background: #fafafa;
}
.file-setting-name { font-weight: 600; margin-bottom: 0.5rem; word-break: break-all; }
.file-setting-options {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}
.file-setting-options label {
    display: flex;
    flex-direction: column;
    font-size: 0.85rem;
    gap: 0.25rem;
}
.file-setting-options select {
    padding: 0.4rem 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--color-border);
}
.checkbox-label {
    flex-direction: row !important;
    align-items: center;
    gap: 0.4rem !important;
}

.order-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.75rem;
    font-size: 0.9rem;
}
.order-table th, .order-table td {
    text-align: left;
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--color-border);
}
.order-table th { color: var(--color-muted); font-weight: 600; }

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
}
.badge-ok { background: var(--color-success-bg); color: var(--color-success-text); }
.badge-pending { background: #fffbeb; color: #92400e; }

.page-footer { text-align: center; margin-top: 2rem; }
.page-footer a { color: var(--color-muted); font-size: 0.85rem; }

@media (max-width: 480px) {
    .order-code { font-size: 1.8rem; letter-spacing: 0.2em; }
    .file-setting-options { flex-direction: column; align-items: flex-start; }
}