@charset "UTF-8";

/* =========================
   Variables / Tema
   ========================= */
:root {
    color-scheme: light;
    --bg: #f5f7fb;
    --bg-alt: #f8fbff;

    --surface: rgba(255, 255, 255, 0.92);
    --surface-strong: #ffffff;
    --surface-soft: #f7f9fc;
    --surface-accent: #eef4ff;

    --border: #dfe6f1;
    --border-strong: #cbd6e6;

    --text: #1f2937;
    --text-soft: #5b6678;
    --text-faint: #7b8798;
    --heading: #0f172a;

    --primary: #066af3;
    --primary-dark: #0453c0;
    --primary-soft: #e9f2ff;

    --success: #2e8b57;
    --danger: #cf3f5b;

    --shadow-sm: 0 6px 18px rgba(20, 38, 63, 0.06);
    --shadow-md: 0 18px 40px rgba(20, 38, 63, 0.09);
    --shadow-xl: 0 30px 90px rgba(2, 12, 27, 0.28);

    --radius-sm: 12px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 28px;

    --container: 1380px;
    --content: 860px;
    --sidebar: 320px;

    --transition: 180ms ease;
    --font-sans: Inter, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --selection: rgba(6, 106, 243, 0.18);
    --header-gradient: linear-gradient(135deg, #066af3 0%, #2f7cff 100%);
    --code-bg: #0f172a;
    --code-text: #f8fafc;
    --table-head: #f4f8ff;
    --card-backdrop: blur(10px);
}

html[data-theme="dark"] {
    color-scheme: dark;
    --bg: #0b1220;
    --bg-alt: #0f172a;

    --surface: rgba(15, 23, 42, 0.88);
    --surface-strong: #0f172a;
    --surface-soft: #111b31;
    --surface-accent: #10203e;

    --border: rgba(148, 163, 184, 0.16);
    --border-strong: rgba(148, 163, 184, 0.28);

    --text: #d6deea;
    --text-soft: #b1bed2;
    --text-faint: #8ea0bb;
    --heading: #f8fafc;

    --primary: #74a7ff;
    --primary-dark: #9cc0ff;
    --primary-soft: rgba(116, 167, 255, 0.12);

    --success: #52c67c;
    --danger: #ff7d96;

    --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.24);
    --shadow-md: 0 18px 44px rgba(0, 0, 0, 0.32);
    --shadow-xl: 0 34px 96px rgba(0, 0, 0, 0.52);

    --selection: rgba(116, 167, 255, 0.22);
    --header-gradient: linear-gradient(135deg, #0b4db7 0%, #245fcf 100%);
    --code-bg: #09111f;
    --code-text: #eff6ff;
    --table-head: #14213d;
    --card-backdrop: blur(12px);
}

/* =========================
   Reset / Base
   ========================= */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body.article-page {
    margin: 0;
    background:
        radial-gradient(circle at top left, rgba(6, 106, 243, 0.06), transparent 30%),
        linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
}

body.search-modal-open {
    overflow: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

svg {
    display: block;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition:
        color var(--transition),
        opacity var(--transition),
        transform var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

a:hover,
a:focus-visible {
    color: var(--primary-dark);
}

button,
input,
select,
textarea {
    font: inherit;
}

button {
    cursor: pointer;
}

p,
ul,
ol,
table,
blockquote,
figure,
pre {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    margin-top: 0;
    color: var(--heading);
    line-height: 1.2;
}

strong,
b {
    color: var(--heading);
}

::selection {
    background: var(--selection);
}

:focus-visible {
    outline: 2px solid rgba(6, 106, 243, 0.45);
    outline-offset: 2px;
}

html[data-theme="dark"] :focus-visible {
    outline-color: rgba(116, 167, 255, 0.5);
}

/* =========================
   Iconos / Utilidades
   ========================= */
.ui-icon {
    width: 1.08em;
    height: 1.08em;
    display: inline-block;
    vertical-align: -0.18em;
    flex: 0 0 auto;
}

.label-with-icon,
.home-link,
.meta-autor,
.sidebar-title--icon,
.toc-title--icon {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
}

.author-name-link {
    font-weight: 600;
}

[hidden] {
    display: none !important;
}

/* =========================
   Layout general
   ========================= */
#mainwrapper {
    width: min(var(--container), calc(100% - 28px));
    margin: 18px auto 30px;
}

.site-header {
    margin-bottom: 20px;
}

.site-header__inner {
    background: var(--header-gradient);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 18px 22px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-header__tools {
    display: flex;
    align-items: center;
    gap: 10px;
}

.site-logo {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
}

.site-logo img {
    display: block;
    height: auto;
    max-width: min(320px, 100%);
}

.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.14);
    color: #fff;
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.08);
    transition:
        transform var(--transition),
        background-color var(--transition),
        border-color var(--transition),
        box-shadow var(--transition);
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.42);
    box-shadow: 0 14px 24px rgba(0, 0, 0, 0.12);
}

.theme-toggle__icon--sun {
    display: none;
}

html[data-theme="dark"] .theme-toggle__icon--sun {
    display: inline-flex;
}

html[data-theme="dark"] .theme-toggle__icon--moon {
    display: none;
}

.page-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, var(--sidebar));
    gap: 24px;
    align-items: start;
}

.content-main,
.sidebar {
    min-width: 0;
}

.article-card,
.sidebar-card {
    background: var(--surface);
    backdrop-filter: var(--card-backdrop);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.article-card {
    max-width: 100%;
    padding: clamp(20px, 2.5vw, 34px);
}

.sidebar-card {
    padding: 20px;
    position: sticky;
    top: 18px;
}

.site-footer {
    margin-top: 24px;
    padding: 20px 22px;
    text-align: center;
    color: var(--text-soft);
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

/* =========================
   Top article
   ========================= */
.article-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.home-link {
    font-size: 0.94rem;
    color: var(--text-soft);
}

.home-link:hover,
.home-link:focus-visible {
    color: var(--primary-dark);
}

.breadcrumb {
    margin: 0 0 14px;
    font-size: 0.95rem;
    color: var(--text-soft);
}

.breadcrumb__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px 8px;
}

.breadcrumb__item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.breadcrumb__item a,
.breadcrumb__item span {
    max-width: 100%;
    overflow-wrap: anywhere;
}

.breadcrumb__item span[aria-current="page"] {
    color: var(--heading);
    font-weight: 600;
}

.breadcrumb__sep {
    color: var(--text-faint);
    display: inline-flex;
    align-items: center;
}

.breadcrumb__sep .ui-icon {
    width: 0.95em;
    height: 0.95em;
}

.article-title-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
}

.article-title {
    font-size: clamp(2rem, 3vw, 3.1rem);
    letter-spacing: -0.02em;
    margin-bottom: 16px;
    overflow-wrap: anywhere;
}

.postdescription {
    margin: 0 0 18px;
    padding: 14px 16px;
    background: linear-gradient(135deg, rgba(6, 106, 243, 0.08), rgba(6, 106, 243, 0.03));
    border: 1px solid rgba(6, 106, 243, 0.14);
    border-radius: var(--radius-md);
    color: var(--text-soft);
    font-size: 1rem;
}

html[data-theme="dark"] .postdescription {
    background: linear-gradient(135deg, rgba(116, 167, 255, 0.14), rgba(116, 167, 255, 0.05));
    border-color: rgba(116, 167, 255, 0.18);
}

.meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    color: var(--text-soft);
    font-size: 0.95rem;
}

.meta-autor {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.meta-fecha {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-variant-numeric: tabular-nums;
    color: var(--text-soft);
}

.meta-dates {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.meta-date-pill {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 8px;
    padding: 8px 12px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 0.92rem;
    color: var(--text-soft);
    font-variant-numeric: tabular-nums;
}

.meta-date-pill strong {
    color: var(--heading);
    font-size: 0.9rem;
}

.info-card .author-dates {
    margin: 12px 0 0;
    padding: 0;
    list-style: none;
}

.info-card .author-dates li + li {
    margin-top: 6px;
}

.info-card .author-date-label {
    font-weight: 700;
    color: var(--heading);
}

.info-card .author-date-value {
    color: var(--text-soft);
    font-variant-numeric: tabular-nums;
}

/* =========================
   Search panels / triggers
   ========================= */
.search-panel {
    margin: 22px 0;
    padding: 16px 18px;
    background: linear-gradient(180deg, rgba(249, 251, 255, 0.9) 0%, rgba(245, 248, 253, 0.96) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

html[data-theme="dark"] .search-panel {
    background: linear-gradient(180deg, rgba(17, 27, 49, 0.96) 0%, rgba(15, 23, 42, 0.98) 100%);
}

.search-panel strong {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 10px;
    font-size: 0.98rem;
}

.search-panel--content {
    margin-top: 18px;
}

.search-panel--sidebar,
.search-panel--aside {
    margin-top: 22px;
    margin-bottom: 0;
}

.search-trigger {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid color-mix(in srgb, var(--primary) 12%, var(--border));
    border-radius: 16px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--primary-soft) 85%, #fff) 0%, var(--surface-strong) 100%);
    color: var(--heading);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition),
        box-shadow var(--transition),
        border-color var(--transition),
        background-color var(--transition);
}

.search-trigger:hover,
.search-trigger:focus-visible {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--primary) 26%, var(--border));
    box-shadow: 0 14px 28px rgba(6, 106, 243, 0.12);
    color: var(--heading);
}

.search-trigger__content {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    text-align: left;
}

.search-trigger__icon,
.search-trigger__chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
}

.search-trigger__icon {
    width: 42px;
    height: 42px;
    border-radius: 14px;
    background: color-mix(in srgb, var(--primary) 12%, var(--surface-strong));
    color: var(--primary);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary) 14%, transparent);
}

.search-trigger__text {
    min-width: 0;
}

.search-trigger__title {
    display: block;
    color: var(--heading);
    font-weight: 700;
    line-height: 1.25;
}

.search-trigger__hint {
    display: block;
    margin-top: 2px;
    color: var(--text-soft);
    font-size: 0.92rem;
    line-height: 1.4;
}

.search-trigger__chevron {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--text-faint);
    border: 1px solid var(--border);
}

/* =========================
   Search modal
   ========================= */
.search-modal {
    position: fixed;
    inset: 0;
    z-index: 12000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 22px;
}

.search-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(7, 15, 31, 0.52);
    backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity var(--transition);
}

.search-modal__dialog {
    position: relative;
    width: min(1040px, 100%);
    max-height: min(90vh, 960px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--surface);
    backdrop-filter: var(--card-backdrop);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transform: translateY(18px) scale(0.985);
    opacity: 0;
    transition:
        transform var(--transition),
        opacity var(--transition);
}

.search-modal.is-open .search-modal__backdrop {
    opacity: 1;
}

.search-modal.is-open .search-modal__dialog {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.search-modal__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 24px 16px;
    border-bottom: 1px solid var(--border);
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--surface-accent) 70%, transparent) 0%, color-mix(in srgb, var(--surface-strong) 96%, transparent) 100%);
}

.search-modal__header-text {
    min-width: 0;
}

.search-modal__title {
    margin: 0;
    font-size: clamp(1.35rem, 2vw, 1.8rem);
    letter-spacing: -0.02em;
}

.search-modal__subtitle {
    margin: 6px 0 0;
    color: var(--text-soft);
    font-size: 0.96rem;
    line-height: 1.55;
}

.search-modal__close {
    flex: 0 0 auto;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-strong);
    color: var(--text-soft);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--transition),
        color var(--transition),
        border-color var(--transition),
        background-color var(--transition);
}

.search-modal__close:hover,
.search-modal__close:focus-visible {
    transform: translateY(-1px);
    color: var(--heading);
    border-color: color-mix(in srgb, var(--primary) 22%, var(--border));
    background: var(--primary-soft);
}

.search-modal__body {
    padding: 22px 24px 24px;
    overflow: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
}

.search-modal__section {
    min-width: 0;
    padding: 18px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-soft) 82%, #fff) 0%, color-mix(in srgb, var(--surface-strong) 96%, #fff) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.search-modal__section-title {
    margin: 0 0 6px;
    font-size: 1.08rem;
}

.search-modal__section-intro {
    margin: 0 0 14px;
    color: var(--text-soft);
    font-size: 0.95rem;
    line-height: 1.6;
}

.search-modal__loading {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    color: var(--text-soft);
    font-size: 0.94rem;
}

.search-modal__loading::before {
    content: "";
    width: 17px;
    height: 17px;
    border-radius: 50%;
    border: 2px solid color-mix(in srgb, var(--primary) 18%, var(--border));
    border-top-color: var(--primary);
    animation: searchModalSpin 0.9s linear infinite;
}

.search-modal__cse {
    min-height: 150px;
    padding: 14px;
    background: var(--surface-soft);
    border: 1px dashed color-mix(in srgb, var(--primary) 20%, var(--border));
    border-radius: 16px;
}

.search-modal__cse.is-ready {
    border-style: solid;
}

.search-modal__cse .gcse-search {
    width: 100%;
}

/* =========================
   Autocomplete interno
   ========================= */
.search-autocomplete__label {
    display: block;
    margin-bottom: 10px;
    color: var(--heading);
    font-weight: 700;
    font-size: 0.95rem;
}

.search-autocomplete__input {
    width: 100%;
    min-height: 54px;
    padding: 0 16px;
    background: var(--surface-strong);
    color: var(--text);
    border: 1px solid var(--border-strong);
    border-radius: 16px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45);
    transition:
        border-color var(--transition),
        box-shadow var(--transition),
        background-color var(--transition);
}

.search-autocomplete__input::placeholder {
    color: var(--text-faint);
}

.search-autocomplete__input:hover,
.search-autocomplete__input:focus {
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border-strong));
    box-shadow:
        0 0 0 4px color-mix(in srgb, var(--primary) 10%, transparent),
        inset 0 1px 0 rgba(255, 255, 255, 0.55);
    outline: none;
}

.search-autocomplete__status {
    min-height: 1.45em;
    margin-top: 10px;
    color: var(--text-soft);
    font-size: 0.93rem;
    line-height: 1.45;
}

.search-autocomplete__status[data-state="loading"] {
    color: var(--primary);
}

.search-autocomplete__status[data-state="empty"] {
    color: var(--text-soft);
}

.search-autocomplete__status[data-state="hint"] {
    color: var(--text-faint);
}

.search-autocomplete__results {
    margin-top: 12px;
    min-height: 0;
}

.search-autocomplete__list {
    display: grid;
    gap: 10px;
}

.search-autocomplete__item {
    display: block;
    padding: 14px 16px;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    color: inherit;
    text-decoration: none;
    transition:
        transform var(--transition),
        border-color var(--transition),
        background-color var(--transition),
        box-shadow var(--transition);
}

.search-autocomplete__item:hover,
.search-autocomplete__item:focus-visible,
.search-autocomplete__item.is-active {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--primary) 26%, var(--border));
    background: linear-gradient(180deg, color-mix(in srgb, var(--primary-soft) 45%, var(--surface-strong)) 0%, var(--surface-strong) 100%);
    box-shadow: 0 16px 28px rgba(20, 38, 63, 0.1);
    color: inherit;
}

.search-autocomplete__title {
    display: block;
    color: var(--heading);
    font-weight: 700;
    line-height: 1.35;
    overflow-wrap: anywhere;
}

.search-autocomplete__subtitle {
    display: block;
    margin-top: 4px;
    color: var(--text-soft);
    font-size: 0.91rem;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

/* =========================
   Share widget
   ========================= */
.share-widget {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 22px 0;
    padding: 14px;
    min-height: 74px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.share-container {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
    width: 100%;
    min-height: 44px;
}

.share-button {
    --size: 44px;
    width: var(--size);
    height: var(--size);
    border: none;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), #5a94ff);
    color: #fff;
    cursor: pointer;
    box-shadow: 0 10px 20px rgba(6, 106, 243, 0.22);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.share-button:hover,
.share-button:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 14px 24px rgba(6, 106, 243, 0.28);
}

.share-list {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.share-link {
    --size: 44px;
    width: var(--size);
    height: var(--size);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
    transition: transform var(--transition), box-shadow var(--transition), opacity var(--transition);
}

.share-link:hover,
.share-link:focus-visible {
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.16);
}

.share-link svg,
.share-button svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    display: block;
}

.share-link--whatsapp { background-color: #25D366; }
.share-link--facebook { background-color: #1877F2; }
.share-link--twitter  { background-color: #111111; }
.share-link--email    { background-color: #5f7280; }

/* =========================
   Cuerpo del artículo
   ========================= */
.article-body {
    color: var(--text);
    font-size: 1.05rem;
    max-width: var(--content);
}

.article-body > *:last-child,
.section-content > *:last-child,
.sources-content > *:last-child {
    margin-bottom: 0;
}

.article-body p,
.section-content p,
.sources-content p {
    margin-bottom: 1.15rem;
    overflow-wrap: break-word;
}

.article-body h2,
.article-body h3,
.article-body h4,
.section-content h2,
.section-content h3,
.section-content h4 {
    margin-top: 1.9rem;
    margin-bottom: 0.9rem;
    overflow-wrap: anywhere;
}

.article-body h2,
.section-content h2 {
    font-size: clamp(1.45rem, 2vw, 2rem);
}

.article-body h3,
.section-content h3 {
    font-size: clamp(1.2rem, 1.6vw, 1.45rem);
}

.article-body ul,
.article-body ol,
.section-content ul,
.section-content ol,
.sources-content ul,
.sources-content ol,
.qa-content ul,
.qa-content ol {
    margin: 0 0 1.25rem 1.25rem;
    padding: 0;
}

.article-body li,
.section-content li,
.sources-content li,
.qa-content li {
    margin-bottom: 0.4rem;
}

.article-body blockquote,
.section-content blockquote,
.sources-content blockquote {
    margin: 1.4rem 0;
    padding: 1rem 1.1rem 1rem 1.2rem;
    border-left: 4px solid var(--primary);
    background: var(--surface-soft);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-soft);
}

.article-body hr,
.section-content hr,
.sources-content hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 1.8rem 0;
}

.article-body table,
.section-content table,
.sources-content table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-strong);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    white-space: normal;
}

.article-body th,
.article-body td,
.section-content th,
.section-content td,
.sources-content th,
.sources-content td {
    border: 1px solid var(--border);
    padding: 10px 12px;
    text-align: left;
    vertical-align: top;
}

.article-body th,
.section-content th,
.sources-content th {
    background: var(--table-head);
    color: var(--heading);
}

.table-scroll {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    margin: 1.4rem 0;
    border-radius: var(--radius-sm);
    -webkit-overflow-scrolling: touch;
}

.table-scroll > table {
    margin: 0;
    min-width: 100%;
}

.article-body a,
.section-content a,
.sources-content a,
.qa-content a {
    color: var(--primary);
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
    text-decoration-color: color-mix(in srgb, var(--primary) 35%, transparent);
    text-underline-offset: 2px;
}

.article-body a:hover,
.section-content a:hover,
.sources-content a:hover,
.qa-content a:hover {
    text-decoration-color: color-mix(in srgb, var(--primary) 75%, transparent);
}

.article-body img,
.section-content img,
.sources-content img {
    border-radius: var(--radius-sm);
}

.article-inline-image {
    box-shadow: var(--shadow-sm);
}

.article-body pre,
.article-body code,
.section-content pre,
.section-content code,
.sources-content pre,
.sources-content code {
    font-family: var(--font-mono);
}

.article-body pre,
.section-content pre,
.sources-content pre {
    overflow: auto;
    padding: 14px 16px;
    background: var(--code-bg);
    color: var(--code-text);
    border-radius: var(--radius-sm);
    margin: 1.4rem 0;
    line-height: 1.6;
}

.article-body code,
.section-content code,
.sources-content code {
    background: color-mix(in srgb, var(--surface-soft) 88%, var(--primary-soft));
    border-radius: 6px;
    padding: 0.15rem 0.35rem;
}

/* =========================
   Zoom / imágenes
   ========================= */
.article-gallery,
.section-gallery {
    display: grid;
    gap: 20px;
    margin-top: 18px;
}

.article-figure {
    margin: 0;
}

.article-caption {
    margin-top: 8px;
    color: var(--text-soft);
    font-size: 0.95rem;
    line-height: 1.6;
}

.zoomable-media {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    max-width: 100%;
}

.zoomable-media__link {
    display: inline-block;
    max-width: 100%;
}

.zoomable-media__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: color-mix(in srgb, var(--primary) 8%, var(--surface-strong));
    border: 1px solid color-mix(in srgb, var(--primary) 14%, var(--border));
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.zoomable-media__icon:hover,
.zoomable-media__icon:focus-visible {
    transform: translateY(-1px);
    background: color-mix(in srgb, var(--primary) 14%, var(--surface-strong));
}

.zoomable-media__icon img {
    width: 24px;
    height: 24px;
    border-radius: 0;
}

/* =========================
   TOC
   ========================= */
.toc-card {
    margin: 26px 0;
    padding: 18px 20px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-soft) 86%, #fff) 0%, color-mix(in srgb, var(--surface-accent) 76%, #fff) 100%);
    border: 1px solid color-mix(in srgb, var(--primary) 14%, var(--border));
    border-radius: var(--radius-md);
}

.toc-title {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.toc-list {
    margin: 0;
    padding-left: 1.2rem;
}

.toc-list li {
    margin-bottom: 0.45rem;
}

.toc-list a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.toc-list a .ui-icon {
    color: var(--text-faint);
    width: 0.95em;
    height: 0.95em;
}

/* =========================
   Secciones H2
   ========================= */
.article-sections {
    display: grid;
    gap: 22px;
    margin-top: 8px;
}

.section-block {
    padding: 22px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-soft) 88%, transparent) 0%, color-mix(in srgb, var(--surface-strong) 92%, transparent) 100%);
    border: 1px solid color-mix(in srgb, var(--border) 94%, transparent);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    scroll-margin-top: 92px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.section-heading > h2 {
    margin: 0;
    min-width: 0;
    font-size: clamp(1.45rem, 2vw, 2rem);
}

.anchor-copy {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface-strong);
    color: var(--text-soft);
    box-shadow: 0 4px 12px rgba(20, 38, 63, 0.04);
    transition:
        transform var(--transition),
        border-color var(--transition),
        background-color var(--transition),
        color var(--transition),
        box-shadow var(--transition);
}

.anchor-copy:hover,
.anchor-copy:focus-visible {
    transform: translateY(-1px);
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
    color: var(--primary);
    background: var(--primary-soft);
}

.anchor-copy.is-copied {
    color: #fff;
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 10px 24px rgba(6, 106, 243, 0.24);
}

/* =========================
   Preguntas y respuestas
   ========================= */
.qa-block {
    margin-top: 24px;
    padding: 22px;
    background: linear-gradient(180deg, var(--surface-strong) 0%, color-mix(in srgb, var(--surface-soft) 74%, #fff) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.qa-block > h2 {
    margin-bottom: 18px;
}

.qa-question {
    margin: 1.4rem 0 0.55rem;
    font-size: 1.1rem;
    color: var(--heading);
}

.qa-answer {
    margin-bottom: 0.9rem;
    color: var(--text-soft);
}

/* =========================
   Info cards
   ========================= */
.info-card {
    margin-top: 24px;
    padding: 20px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 92%, transparent) 0%, color-mix(in srgb, var(--surface-soft) 84%, transparent) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.info-card h2 {
    font-size: 1.15rem;
    margin-bottom: 12px;
}

.info-card p:last-child {
    margin-bottom: 0;
}

.article-url {
    overflow-wrap: anywhere;
}

.sources-content {
    color: var(--text-soft);
}

/* =========================
   Sidebar
   ========================= */
.sidebar {
    min-width: 0;
}

.related-card {
    margin-bottom: 22px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border);
}

.related-card:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: 0;
}

.related-card.sidebar-block {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.related-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.related-list li + li {
    margin-top: 10px;
}

.related-list a {
    display: inline-flex;
    align-items: flex-start;
    gap: 8px;
    color: var(--text);
    text-decoration: none;
}

.related-list a:hover,
.related-list a:focus-visible {
    color: var(--primary-dark);
}

.related-list .ui-icon {
    color: var(--primary);
    margin-top: 3px;
    width: 0.95em;
    height: 0.95em;
}

.sidebar-block + .sidebar-block,
.search-panel--aside + .sidebar-block,
.sidebar-block + .search-panel--aside {
    margin-top: 22px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}

.sidebar-title {
    font-size: 1.05rem;
    margin-bottom: 12px;
}

.language-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.language-list li + li {
    margin-top: 8px;
}

.language-list a,
.language-list .current-language {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.language-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.8em;
    padding: 2px 8px;
    border-radius: 999px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    color: var(--text-soft);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.current-language {
    color: var(--heading);
    font-weight: 700;
}

.sidebar-meta {
    color: var(--text-soft);
    font-size: 0.94rem;
}

.letter-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.letter-grid li {
    margin: 0;
}

.letter-grid a {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    background: var(--surface-soft);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-weight: 700;
    color: color-mix(in srgb, var(--heading) 84%, var(--primary));
    text-decoration: none;
}

.letter-grid a:hover,
.letter-grid a:focus-visible {
    background: var(--primary-soft);
    border-color: color-mix(in srgb, var(--primary) 28%, var(--border));
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* =========================
   Ad slots
   ========================= */
.ad-slot {
    margin: 24px 0;
    padding: 10px;
    min-height: 110px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 96%, transparent) 0%, color-mix(in srgb, var(--surface-soft) 88%, transparent) 100%);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.ad-slot .adsbygoogle {
    overflow: hidden;
    border-radius: var(--radius-sm);
}

/* =========================
   Google CSE ajustes
   ========================= */
.gsc-control-cse,
.gsc-control-cse-es,
.gsc-control-wrapper-cse {
    background: transparent !important;
    border: 0 !important;
    padding: 0 !important;
}

.gsc-search-box {
    margin-bottom: 0 !important;
}

.gsc-input-box {
    border-radius: 12px !important;
    border: 1px solid var(--border-strong) !important;
    box-shadow: none !important;
    background: var(--surface-strong) !important;
}

.gsc-input-box input {
    background: transparent !important;
    color: var(--text) !important;
}

.gsc-search-button-v2 {
    border-radius: 12px !important;
    border: 0 !important;
    background: var(--primary) !important;
    padding: 10px 16px !important;
}

.gsc-search-button-v2:hover {
    background: var(--primary-dark) !important;
}

.gsc-result,
.gs-webResult,
.gsc-thumbnail-inside,
.gsc-url-top {
    color: var(--text) !important;
}

.gsc-control-cse .gs-snippet,
.gsc-control-cse .gs-visibleUrl,
.gsc-control-cse .gs-title {
    color: inherit !important;
}

.gsc-results-wrapper-overlay,
.gsc-modal-background-image,
.gcsc-find-more-on-google-root {
    z-index: 12500;
}

/* =========================
   Scrollbars
   ========================= */
.table-scroll::-webkit-scrollbar,
.article-body pre::-webkit-scrollbar,
.section-content pre::-webkit-scrollbar,
.search-modal__body::-webkit-scrollbar,
.search-modal__cse::-webkit-scrollbar {
    height: 10px;
    width: 10px;
}

.table-scroll::-webkit-scrollbar-thumb,
.article-body pre::-webkit-scrollbar-thumb,
.section-content pre::-webkit-scrollbar-thumb,
.search-modal__body::-webkit-scrollbar-thumb,
.search-modal__cse::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--text-faint) 40%, transparent);
    border-radius: 999px;
}

.table-scroll::-webkit-scrollbar-track,
.article-body pre::-webkit-scrollbar-track,
.section-content pre::-webkit-scrollbar-track,
.search-modal__body::-webkit-scrollbar-track,
.search-modal__cse::-webkit-scrollbar-track {
    background: transparent;
}

/* =========================
   Sources
   ========================= */
.sources-content .sources-list {
    margin: 0;
    padding-left: 1.2rem;
}

.sources-content .sources-list li {
    margin: 0.45rem 0;
    line-height: 1.6;
}

.sources-content .src-site {
    font-weight: 600;
    color: #374151;
    word-break: break-word;
}

.sources-content .src-sep {
    color: #6b7280;
}

.sources-content .src-link,
.sources-content .src-archive {
    word-break: break-word;
    text-decoration: none;
    border-bottom: 1px dotted rgba(0, 0, 0, .25);
}

.sources-content .src-link:hover,
.sources-content .src-archive:hover {
    text-decoration: none;
    border-bottom-color: currentColor;
}

.sources-content .src-link-archive {
    opacity: .95;
}

.sources-content .src-text {
    color: inherit;
    word-break: break-word;
}

.sources-content .src-archives {
    font-size: .92em;
    color: #6b7280;
}

/* =========================
   Animations
   ========================= */
@keyframes searchModalSpin {
    to {
        transform: rotate(360deg);
    }
}

/* =========================
   Responsive
   ========================= */
@media (max-width: 1180px) {
    .page-layout {
        grid-template-columns: minmax(0, 1fr) 290px;
    }

    .letter-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .search-modal__body {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 980px) {
    #mainwrapper {
        width: min(100%, calc(100% - 18px));
        margin-top: 10px;
    }

    .page-layout {
        grid-template-columns: 1fr;
    }

    .sidebar-card {
        position: static;
    }

    .article-card,
    .sidebar-card {
        padding: 18px;
    }

    .letter-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    body.article-page {
        font-size: 15.5px;
    }

    #mainwrapper {
        width: calc(100% - 10px);
        margin: 6px auto 18px;
    }

    .site-header__inner {
        border-radius: 18px;
        padding: 16px;
    }

    .article-card,
    .sidebar-card,
    .site-footer {
        border-radius: 18px;
    }

    .article-card,
    .sidebar-card {
        padding: 16px;
    }

    .article-title-row {
        flex-direction: column;
        align-items: stretch;
    }

    .article-title {
        font-size: clamp(1.7rem, 8vw, 2.3rem);
    }

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

    .section-block,
    .qa-block,
    .info-card,
    .toc-card,
    .search-panel {
        padding: 16px;
    }

    .section-heading {
        align-items: flex-start;
    }

    .letter-grid {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }

    .search-modal {
        padding: 12px;
    }

    .search-modal__dialog {
        max-height: min(94vh, 960px);
        border-radius: 20px;
    }

    .search-modal__header {
        padding: 18px 18px 14px;
    }

    .search-modal__body {
        padding: 16px 18px 18px;
        gap: 16px;
    }

    .search-modal__section {
        padding: 16px;
    }
}

@media (max-width: 560px) {
    .site-header__inner {
        padding: 14px;
        gap: 12px;
    }

    .site-logo img {
        max-width: min(240px, 100%);
    }

    .theme-toggle {
        width: 42px;
        height: 42px;
    }

    .article-card,
    .sidebar-card {
        padding: 14px;
    }

    .share-widget {
        padding: 12px;
    }

    .share-button,
    .share-link {
        --size: 42px;
    }

    .letter-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 8px;
    }

    .article-body,
    .section-content {
        font-size: 1rem;
    }

    .breadcrumb {
        font-size: 0.92rem;
    }

    .search-trigger {
        padding: 13px 14px;
    }

    .search-trigger__icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
    }

    .search-modal__title {
        font-size: 1.25rem;
    }

    .search-modal__close {
        width: 42px;
        height: 42px;
    }
}

@media (max-width: 420px) {
    #mainwrapper {
        width: calc(100% - 6px);
    }

    .site-header__inner,
    .article-card,
    .sidebar-card,
    .site-footer {
        border-radius: 16px;
    }

    .letter-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .toc-list {
        padding-left: 1rem;
    }

    .theme-toggle {
        width: 40px;
        height: 40px;
    }

    .search-modal {
        padding: 8px;
    }

    .search-modal__dialog {
        border-radius: 16px;
    }

    .search-modal__header,
    .search-modal__body {
        padding-left: 14px;
        padding-right: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition: none !important;
        animation: none !important;
    }
}


.article-tags-block {
    margin: 26px 0 14px;
    padding: 16px;
    border: 1px solid var(--border, #dfe6f1);
    border-radius: 18px;
    background: var(--surface-soft, #f7f9fc);
    clear: both;
}

.article-tags-title {
    margin: 0 0 12px;
    font-size: 1.05rem;
    line-height: 1.3;
}

.article-tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article-tag-link {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(6, 106, 243, 0.18);
    background: rgba(6, 106, 243, 0.08);
    color: var(--primary, #066af3);
    text-decoration: none;
    font-weight: 600;
    transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.article-tag-link:hover,
.article-tag-link:focus-visible {
    transform: translateY(-1px);
    background: rgba(6, 106, 243, 0.14);
    border-color: rgba(6, 106, 243, 0.28);
}

.related-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.related-list li a {
    display: block;
    padding: 8px 10px;
    border-radius: 12px;
    background: var(--surface-soft, #f7f9fc);
    border: 1px solid var(--border, #dfe6f1);
    text-decoration: none;
}

.related-list li a:hover,
.related-list li a:focus-visible {
    background: var(--primary-soft, #e9f2ff);
    border-color: rgba(6, 106, 243, 0.22);
}