:root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --surface-subtle: #f8fafc;
    --text: #18212f;
    --text-muted: #526071;
    --border: #cbd5e1;
    --border-input: #64748b;
    --primary: #0f4c81;
    --primary-hover: #0b3a63;
    --danger: #b42318;
    --danger-hover: #911c13;
    --danger-bg: #fef3f2;
    --success: #146c43;
    --success-bg: #ecfdf3;
    --focus: #0b57d0;
    --radius: 10px;
    --shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, Cantarell, sans-serif;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--bg);
}

body {
    margin: 0;
    min-height: 100dvh;
}

.visually-hidden:where(:not(:focus-within, :active)) {
    position: absolute !important;
    clip-path: inset(50%) !important;
    overflow: hidden !important;
    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;
    border: 0 !important;
    white-space: nowrap !important;
}

.container {
    width: min(1240px, 100% - 2rem);
    margin-inline: auto;
}

/* Header */
.site-header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    padding-block: 1.25rem;
    margin-block-end: 1.5rem;
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.site-header h1 {
    margin: 0;
    font-size: 1.5rem;
    line-height: 1.2;
}

.subtitle {
    margin: 0.25rem 0 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.stat-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background-color: var(--surface-subtle);
    border: 1px solid var(--border);
    font-size: 0.95rem;
}

/* Layout */
.main-grid {
    display: grid;
    gap: 1.5rem;
    padding-block-end: 3rem;
}

@media (min-width: 980px) {
    .main-grid {
        grid-template-columns: minmax(340px, 400px) minmax(0, 1fr);
        align-items: start;
    }

    .main-grid > .alert {
        grid-column: 1 / -1;
    }
}

.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.5rem;
}

.card-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-block-end: 1.25rem;
}

.card h2 {
    margin: 0;
    font-size: 1.2rem;
    line-height: 1.3;
}

/* Alerts */
.alert {
    padding: 0.9rem 1.1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-weight: 500;
}

.alert-success {
    background-color: var(--success-bg);
    border-color: #abefc6;
    color: var(--success);
}

.alert-error {
    background-color: var(--danger-bg);
    border-color: #fecdca;
    color: var(--danger);
}

/* Form controls */
.field {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    margin-block-end: 1.25rem;
}

.field label {
    font-weight: 600;
    display: inline-block;
    padding: 4px 0;
}

.req-mark {
    color: var(--danger);
}

.hint {
    display: block;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-block-end: 0.2rem;
}

input[type="text"],
input[type="email"],
input[type="search"],
select,
textarea {
    width: 100%;
    font: inherit;
    font-size: max(1rem, 1em);
    min-height: 48px;
    padding: 0.65rem 0.85rem;
    color: var(--text);
    background-color: var(--surface);
    border: 1.5px solid var(--border-input);
    border-radius: 8px;
}

textarea {
    resize: vertical;
    min-height: 110px;
}

@media (pointer: coarse) {
    input[type="text"],
    input[type="email"],
    input[type="search"],
    select,
    .btn {
        min-height: 52px;
    }
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible,
.table-wrapper:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 2px;
}

.error-msg {
    display: none;
    color: var(--danger);
    font-size: 0.875rem;
    margin-block-start: 0.25rem;
}

:is(input, select, textarea):is(:user-invalid, .user-invalid-fallback, .is-server-invalid) {
    border-color: var(--danger);
    background-color: var(--danger-bg);
}

:is(input, select, textarea):is(:user-invalid, .user-invalid-fallback, .is-server-invalid) + .error-msg {
    display: block;
}

:is(input, select, textarea):is(:user-valid, .user-valid-fallback):not(.is-server-invalid) {
    border-color: var(--success);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-block-start: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font: inherit;
    font-size: max(1rem, 1em);
    font-weight: 600;
    min-height: 48px;
    padding: 0.55rem 1.1rem;
    border-radius: 8px;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}

.btn-sm {
    min-height: 40px;
    padding: 0.35rem 0.75rem;
    font-size: 0.925rem;
}

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

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

.btn-secondary {
    background-color: var(--surface);
    border-color: var(--border-input);
    color: var(--text);
}

.btn-secondary:hover {
    background-color: var(--surface-subtle);
}

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

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

.btn-ghost {
    background-color: transparent;
    color: var(--text-muted);
    border-color: transparent;
}

.btn-ghost:hover {
    background-color: var(--surface-subtle);
    color: var(--text);
}

.btn[aria-disabled="true"] {
    opacity: 0.65;
    cursor: wait;
}

/* Search & List header */
.list-header {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-block-end: 1.25rem;
}

.search-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

@media (min-width: 640px) {
    .search-form {
        grid-template-columns: minmax(0, 1.4fr) minmax(170px, 1fr) auto;
        align-items: center;
    }
}

.search-buttons {
    display: flex;
    gap: 0.5rem;
}

.empty-state {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-muted);
    background-color: var(--surface-subtle);
    border: 1px dashed var(--border);
    border-radius: 8px;
}

/* Responsive accessible table */
.table-wrapper {
    overflow: auto;
    max-inline-size: 100%;
    max-block-size: min(560px, 75dvh);
    container-type: inline-size;
    border: 1px solid var(--border);
    border-radius: 8px;
}

.records-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: start;
    --label-1: "Titulo";
    --label-2: "Categoria";
    --label-3: "Correo";
    --label-4: "Contenido";
    --label-5: "Guardado";
    --label-6: "Acciones";
}

.records-table th,
.records-table td {
    padding: 0.85rem 0.9rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}

.records-table thead {
    position: sticky;
    inset-block-start: 0;
    z-index: 2;
}

.records-table thead th {
    background-color: var(--surface-subtle);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.records-table tbody th {
    position: sticky;
    inset-inline-start: 0;
    z-index: 1;
    background-color: var(--surface);
    font-weight: 600;
    min-width: 150px;
}

.cell-content {
    min-width: 220px;
    max-width: 340px;
    overflow-wrap: anywhere;
}

.cell-date {
    white-space: nowrap;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background-color: #e8f1fb;
    color: #0b4a82;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
}

.muted {
    color: var(--text-muted);
}

.action-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.delete-form {
    margin: 0;
}

@container (width < 600px) {
    .table-wrapper {
        border: 0;
        max-block-size: none;
    }

    .records-table,
    .records-table thead,
    .records-table tbody,
    .records-table tr,
    .records-table th,
    .records-table td {
        display: block;
    }

    .records-table thead {
        display: none;
    }

    .records-table tr {
        margin-block-end: 1rem;
        border: 1px solid var(--border);
        border-radius: 8px;
        overflow: hidden;
        background-color: var(--surface);
    }

    .records-table tbody th {
        position: sticky;
        inset-block-start: 0;
        z-index: 2;
        background-color: var(--surface-subtle);
        border-bottom: 1px solid var(--border);
    }

    .records-table td {
        border-bottom: 1px solid #eef2f6;
        max-width: none;
    }

    .records-table td:last-child {
        border-bottom: 0;
    }

    .records-table td:nth-child(2)::before {
        content: var(--label-2) ": ";
        font-weight: 600;
        color: var(--text-muted);
    }

    .records-table td:nth-child(3)::before {
        content: var(--label-3) ": ";
        font-weight: 600;
        color: var(--text-muted);
    }

    .records-table td:nth-child(4)::before {
        content: var(--label-4) ": ";
        font-weight: 600;
        color: var(--text-muted);
        display: block;
        margin-block-end: 0.25rem;
    }

    .records-table td:nth-child(5)::before {
        content: var(--label-5) ": ";
        font-weight: 600;
        color: var(--text-muted);
    }

    .records-table td:nth-child(6)::before {
        content: var(--label-6) ": ";
        font-weight: 600;
        color: var(--text-muted);
        display: block;
        margin-block-end: 0.4rem;
    }
}

/* Native confirmation dialog */
dialog {
    width: min(460px, calc(100% - 2rem));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.22);
    color: var(--text);
    background-color: var(--surface);
}

dialog:modal {
    overscroll-behavior: contain;
}

dialog::backdrop {
    background-color: rgba(15, 23, 42, 0.45);
    overflow: hidden;
    overscroll-behavior: contain;
}

dialog h2 {
    margin: 0 0 0.75rem;
    font-size: 1.2rem;
}

dialog p {
    margin: 0 0 1.25rem;
    color: var(--text-muted);
}

.dialog-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}