:root {
    color-scheme: light;
    --background: #f3f5f7;
    --surface: #ffffff;
    --text: #17212b;
    --muted: #687480;
    --border: #dce2e8;
    --primary: #175cd3;
    --primary-dark: #124aa8;
    --success-bg: #e8f7ee;
    --success: #147a3d;
    --danger-bg: #fdecec;
    --danger: #b42318;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
}

button,
input,
select {
    font: inherit;
}

.container {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 48px 0 64px;
}

.page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
}

.catalog-brand {
    color: var(--primary);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .12em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    margin: 8px 0;
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: -.04em;
}

.page-header p,
.section-heading p,
.empty-state p {
    margin-bottom: 0;
    color: var(--muted);
}

.card {
    overflow: hidden;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    box-shadow: 0 4px 18px rgb(23 33 43 / 5%);
}

.filters,
.catalog {
    padding: 24px;
}

.section-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 22px;
}

.section-heading h2 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.section-heading p,
.clear-link {
    font-size: .9rem;
}

.clear-link {
    color: var(--primary);
    font-weight: 700;
    text-decoration: none;
}

.filter-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr)) auto;
    align-items: end;
    gap: 14px;
}

label {
    display: grid;
    gap: 7px;
    color: #344054;
    font-size: .86rem;
    font-weight: 700;
}

input,
select {
    width: 100%;
    height: 43px;
    padding: 0 12px;
    color: var(--text);
    border: 1px solid #cbd3dc;
    border-radius: 8px;
    background: #fff;
    outline: none;
}

input:focus,
select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(23 92 211 / 14%);
}

.button,
button,
.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 0;
    border-radius: 8px;
    color: #fff;
    background: var(--primary);
    font-weight: 750;
    text-decoration: none;
}

.header-actions {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}

.button {
    min-height: 43px;
    padding: 0 16px;
    cursor: pointer;
}

.button.secondary {
    color: var(--primary);
    border: 1px solid #b9cdf4;
    background: #eef4ff;
}

.button.secondary:hover {
    background: #dfeaff;
}

.button.primary {
    background: var(--primary);
}

.button.ghost {
    color: #475467;
    border: 1px solid var(--border);
    background: #fff;
}

.button.ghost:hover {
    background: #f5f7f9;
}

button {
    height: 43px;
    padding: 0 20px;
    cursor: pointer;
}

.two-columns {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.modal {
    width: min(560px, calc(100% - 28px));
    max-height: min(760px, calc(100vh - 32px));
    padding: 0;
    overflow: auto;
    color: var(--text);
    border: 0;
    border-radius: 18px;
    background: var(--surface);
    box-shadow: 0 24px 80px rgb(17 24 39 / 28%);
}

.modal-wide {
    width: min(760px, calc(100% - 28px));
}

.modal::backdrop {
    background: rgb(15 23 42 / 58%);
    backdrop-filter: blur(3px);
}

.modal-card {
    position: relative;
    padding: 28px;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    padding-right: 34px;
    margin-bottom: 24px;
}

.modal-header h2 {
    margin: 4px 0 6px;
    font-size: 1.45rem;
}

.modal-header p {
    margin: 0;
    color: var(--muted);
    font-size: .9rem;
}

.modal-eyebrow {
    color: var(--primary);
    font-size: .7rem;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;
}

.close-button {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    padding: 0;
    color: #667085;
    background: #f2f4f7;
    font-size: 1.5rem;
    line-height: 1;
}

.close-button:hover {
    color: #1d2939;
    background: #e4e7ec;
}

.modal-form {
    display: grid;
    gap: 16px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin: 8px -28px -28px;
    padding: 18px 28px;
    border-top: 1px solid var(--border);
    background: #fafbfc;
}

#autor-dialog .modal-footer {
    margin-top: 24px;
}

.management-list {
    display: grid;
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.management-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
}

.management-row:last-child {
    border-bottom: 0;
}

.management-row > div:first-child {
    display: grid;
    gap: 3px;
}

.management-row strong {
    font-size: .92rem;
}

.management-row span,
.management-empty {
    color: var(--muted);
    font-size: .82rem;
}

.management-empty {
    padding: 28px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    text-align: center;
}

.row-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 7px;
}

.row-actions form {
    display: contents;
}

.icon-action {
    width: 34px;
    height: 34px;
    min-width: 34px;
    padding: 0;
    border: 1px solid var(--border);
    background: #fff;
}

.icon-action svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.icon-action.edit {
    color: var(--primary);
}

.icon-action.edit:hover {
    border-color: #b9cdf4;
    background: #eef4ff;
}

.icon-action.delete {
    color: var(--danger);
}

.icon-action.delete:hover {
    border-color: #f7b9b4;
    background: var(--danger-bg);
}

.actions-heading {
    text-align: right;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 9px;
    font-weight: 600;
}

.checkbox-label input {
    width: 12px;
    height: 12px;
    padding: 0;
}

button:disabled,
select:disabled {
    cursor: not-allowed;
    opacity: .55;
}

.form-hint {
    margin: -4px 0 0;
    color: var(--muted);
    font-size: .82rem;
}

.success-alert {
    color: var(--success);
    border-color: #a6dfbb;
    background: var(--success-bg);
}

button:hover,
.pagination a:hover {
    background: var(--primary-dark);
}

.alert {
    margin-bottom: 24px;
    padding: 14px 16px;
    color: var(--danger);
    border: 1px solid #f7b9b4;
    border-radius: 10px;
    background: var(--danger-bg);
}

.table-wrap {
    overflow-x: auto;
    margin: 0 -24px;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 14px 24px;
    border-top: 1px solid var(--border);
    text-align: left;
    white-space: nowrap;
}

th {
    color: var(--muted);
    background: #fafbfc;
    font-size: .75rem;
    letter-spacing: .05em;
    text-transform: uppercase;
}

td {
    font-size: .92rem;
}

.book-title {
    color: #233044;
    font-weight: 750;
}

.status {
    display: inline-block;
    padding: 4px 9px;
    border-radius: 999px;
    font-size: .78rem;
    font-weight: 750;
}

.status.available {
    color: var(--success);
    background: var(--success-bg);
}

.status.unavailable {
    color: var(--danger);
    background: var(--danger-bg);
}

.empty-state {
    padding: 42px 16px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.empty-state h3 {
    margin-bottom: 6px;
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
    padding-top: 22px;
    color: var(--muted);
    font-size: .88rem;
}

.pagination a {
    padding: 8px 12px;
}

@media (max-width: 980px) {
    .filter-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

}

@media (max-width: 600px) {
    .container {
        width: min(100% - 20px, 1180px);
        padding-top: 28px;
    }

    .filters,
    .catalog {
        padding: 18px;
    }

    .page-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .header-actions,
    .header-actions .button {
        width: 100%;
    }

    .two-columns,
    .filter-grid {
        grid-template-columns: 1fr;
    }

    .modal-card {
        padding: 22px;
    }

    .modal-footer {
        margin: 6px -22px -22px;
        padding: 16px 22px;
    }

    #autor-dialog .modal-footer {
        margin-top: 20px;
    }

    .table-wrap {
        margin: 0 -18px;
    }

    th,
    td {
        padding: 12px 18px;
    }
}