:root {
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-soft: #f8fbfe;
    --border: #d9e2ec;
    --border-strong: #c7d2df;
    --text: #23384c;
    --text-soft: #627488;
    --accent: #7d99b6;
    --accent-soft: #eaf1f7;
    --danger-soft: #f7ecec;
    --danger-text: #8b4b4b;
    --success-soft: #edf6ef;
    --success-text: #496e52;
    --shadow: 0 8px 24px rgba(35, 56, 76, 0.06);
    --radius: 12px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
}

body {
    min-height: 100vh;
}

a {
    color: inherit;
    text-decoration: none;
}

.app-shell {
    max-width: 1500px;
    margin: 0 auto;
    padding: 28px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 20px;
}

.topbar h1 {
    margin: 0 0 4px;
    font-size: 1.9rem;
    font-weight: 650;
}

.topbar p {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.95rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.user-badge {
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 8px 12px;
    color: var(--text-soft);
    font-size: 0.9rem;
}

.content-card,
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.content-card {
    padding: 18px;
}

.narrow-card {
    max-width: 680px;
}

.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.search-form {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.toolbar-actions-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.search-form input,
.field input,
.field select,
.field textarea {
    width: 100%;
    border: 1px solid var(--border-strong);
    border-radius: 9px;
    background: #fff;
    color: var(--text);
    padding: 10px 12px;
    font-size: 0.95rem;
}

.field textarea {
    resize: vertical;
    min-height: 150px;
}

.search-form input:focus,
.field input:focus,
.field select:focus,
.field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(125, 153, 182, 0.14);
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 9px;
    padding: 10px 14px;
    border: 1px solid var(--border-strong);
    background: #fff;
    color: var(--text);
    font-size: 0.95rem;
    cursor: pointer;
}

.button-primary {
    background: var(--accent-soft);
    border-color: #c9d8e5;
}

.button-ghost {
    background: #fff;
}

.button-danger-soft {
    background: var(--danger-soft);
    border-color: #e2c9c9;
    color: var(--danger-text);
}

.button:hover {
    filter: brightness(0.99);
}

.button-small {
    padding: 10px 12px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.notice {
    border-radius: 10px;
    padding: 11px 13px;
    margin-bottom: 14px;
    font-size: 0.92rem;
}

.notice-success {
    background: var(--success-soft);
    border: 1px solid #cfe0d3;
    color: var(--success-text);
}

.notice-error {
    background: var(--danger-soft);
    border: 1px solid #e2c9c9;
    color: var(--danger-text);
}

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

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}

.data-table th,
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: middle;
}

.data-table th {
    background: var(--surface-soft);
    color: var(--text-soft);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 650;
}

.data-table tbody tr:hover {
    background: #fbfdff;
}

.click-row {
    cursor: pointer;
}

.empty-cell {
    color: var(--text-soft);
    text-align: center;
    padding: 18px 12px;
}

.form-card {
    padding: 22px;
}

.item-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.field label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.84rem;
    color: var(--text-soft);
}

.field-wide {
    grid-column: 1 / -1;
}

.password-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.password-row input {
    flex: 1;
}

.checkbox-field {
    display: flex;
    align-items: center;
}

.checkbox-field label {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}

.checkbox-field input {
    width: auto;
}

.form-actions,
.confirm-actions,
.login-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.form-actions {
    grid-column: 1 / -1;
    margin-top: 8px;
    justify-content: space-between;
}

.form-actions-right {
    justify-content: flex-end;
}

.import-block + .import-block {
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.import-block h2 {
    margin: 0 0 12px;
    font-size: 1rem;
    font-weight: 650;
}

.import-form {
    display: grid;
    gap: 14px;
}

.import-summary {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin-bottom: 14px;
    font-size: 0.92rem;
    color: var(--text-soft);
}

.import-summary strong {
    color: var(--text);
}

.import-preview-table td:last-child,
.import-preview-table th:last-child {
    white-space: nowrap;
}

.login-body {
    display: grid;
    place-items: center;
    padding: 24px;
}

.login-shell {
    width: 100%;
    max-width: 460px;
}

.login-card {
    padding: 26px;
}

.login-card__header {
    margin-bottom: 18px;
}

.login-card__header h1 {
    margin: 0 0 6px;
    font-size: 1.7rem;
}

.login-card__header p {
    margin: 0;
    color: var(--text-soft);
}

.form-stack {
    display: grid;
    gap: 14px;
}

@media (max-width: 900px) {
    .app-shell {
        padding: 16px;
    }

    .topbar,
    .toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .toolbar-actions-group,
    .password-row {
        width: 100%;
    }

    .password-row {
        flex-wrap: wrap;
    }

    .password-row .button {
        flex: 1 1 160px;
    }

    .import-summary {
        grid-template-columns: 1fr;
    }

    .item-form {
        grid-template-columns: 1fr;
    }

    .form-actions {
        justify-content: flex-end;
    }
}