:root {
    --bg: #f4f6f9;
    --card: #ffffff;
    --text: #1c2733;
    --muted: #6b7a8c;
    --border: #dde4ec;
    --primary: #2264d1;
    --primary-hover: #1a51ab;
    --danger: #c0392b;
    --ok: #1e8e3e;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.55;
}

.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 14px 24px;
    display: flex;
    align-items: baseline;
    gap: 14px;
}

.brand {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
}

.tagline {
    color: var(--muted);
    font-size: 14px;
}

.container {
    max-width: 860px;
    margin: 24px auto;
    padding: 0 16px;
}

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

.hero h1 {
    margin-top: 0;
}

.steps {
    color: var(--muted);
    padding-left: 20px;
}

.steps li {
    margin-bottom: 4px;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.feature h3 {
    font-size: 15px;
    margin: 0 0 6px;
}

.feature p {
    margin: 0;
    font-size: 14px;
    color: var(--muted);
}

.feature code {
    font-size: 13px;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

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

.faq-item summary {
    cursor: pointer;
    font-weight: 500;
    font-size: 15px;
}

.faq-item summary:hover {
    color: var(--primary);
}

.faq-item p {
    color: var(--muted);
    font-size: 14px;
    margin: 10px 0 4px;
}

.faq-item a {
    color: var(--primary);
}

h1 {
    font-size: 24px;
    margin: 0 0 16px;
}

h2 {
    font-size: 18px;
    margin: 0 0 12px;
}

.hint {
    color: var(--muted);
    font-size: 14px;
}

.hint a {
    color: var(--primary);
}

.btn {
    display: inline-block;
    border: 1px solid var(--border);
    background: var(--card);
    color: var(--text);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
}

.btn:hover {
    border-color: var(--primary);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px;
}

.btn-small {
    padding: 4px 10px;
    font-size: 13px;
}

.btn-danger {
    color: var(--danger);
}

.btn-danger:hover {
    border-color: var(--danger);
}

.pkg-head {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.pkg-head h1 {
    margin: 0;
}

.pkg-id {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    background: var(--bg);
    border-radius: 6px;
    padding: 2px 8px;
}

.badge {
    font-size: 13px;
    border-radius: 20px;
    padding: 4px 12px;
    white-space: nowrap;
}

.badge-new {
    background: #fff4d6;
    color: #8a6d1a;
}

.badge-draft {
    background: #e8ecf3;
    color: #4a5a70;
}

.badge-signed {
    background: #e2f3e6;
    color: var(--ok);
}

.share label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 6px;
}

.share-row {
    display: flex;
    gap: 8px;
}

.share-row input {
    flex: 1;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--muted);
    background: var(--bg);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

.dropzone {
    margin-top: 14px;
    border: 2px dashed var(--border);
    border-radius: 10px;
    padding: 26px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.dropzone:hover,
.dropzone.dragover {
    border-color: var(--primary);
    background: #eef4fd;
}

.dropzone-icon {
    font-size: 22px;
    line-height: 1;
}

.dropzone-link {
    color: var(--primary);
    text-decoration: underline;
}

#upload-form.htmx-request .dropzone {
    opacity: 0.5;
    pointer-events: none;
}

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

.doc-table th {
    text-align: left;
    color: var(--muted);
    font-weight: 500;
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    padding: 8px 10px;
}

.doc-table td {
    border-bottom: 1px solid var(--border);
    padding: 10px;
}

.doc-table tr:last-child td {
    border-bottom: none;
}

.doc-table a {
    color: var(--primary);
    text-decoration: none;
}

.doc-table a:hover {
    text-decoration: underline;
}

.nowrap {
    white-space: nowrap;
}

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    border-radius: 6px;
    color: var(--muted);
    vertical-align: middle;
}

.icon-btn:hover {
    color: var(--primary);
    background: var(--bg);
}

.ta-right {
    text-align: right;
}

.sig-ok {
    color: var(--ok);
    white-space: nowrap;
}

.sig-none {
    color: var(--muted);
}

.sign-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 12px;
}

.sign-row select {
    flex: 1;
    min-width: 260px;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    background: var(--card);
}

.sign-type {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 14px;
    font-size: 14px;
}

.sign-type label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.form-field {
    margin-bottom: 14px;
}

.form-field label {
    display: block;
    font-size: 13px;
    color: var(--muted);
    margin-bottom: 6px;
}

.form-field textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
}

.pkg-comment {
    color: var(--muted);
    margin: -6px 0 16px;
}

.pkg-id-link {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--primary);
    text-decoration: none;
}

.pkg-id-link:hover {
    text-decoration: underline;
}

.pkg-list-comment {
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.form-row label {
    font-size: 14px;
    color: var(--muted);
}

.form-row input[type="date"] {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    background: var(--card);
}

.retention-hint {
    margin: 8px 0 0;
}

.signed-actions {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.signed-actions form {
    margin: 0;
}

.cert-details {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 4px 16px;
    font-size: 14px;
    margin: 0 0 12px;
    padding: 12px 16px;
    background: var(--bg);
    border-radius: 8px;
}

.cert-details:empty {
    display: none;
}

.cert-details-title {
    color: var(--muted);
    white-space: nowrap;
}

.cert-details-value {
    overflow-wrap: anywhere;
}

.sign-status {
    font-size: 14px;
    color: var(--muted);
    min-height: 20px;
}

.sign-status-error {
    color: var(--danger);
}

.footer {
    text-align: center;
    color: var(--muted);
    font-size: 13px;
    padding: 24px 16px 32px;
}