/* =========================================================
   1. VARIABLES DE PERSONALIZACIÓN
   ========================================================= */
:root {
    --color-primary: #23375b;
    --color-primary-light: #314b7a;
    --color-accent: #c1a063;
    --color-accent-soft: rgba(193, 160, 99, 0.14);

    /* Tema Claro */
    --bg-body: #f6f7f9;
    --bg-surface: #ffffff;
    --bg-surface-subtle: #f1f3f6;
    --bg-header: rgba(255, 255, 255, 0.85);
    --border-color: #e2e6ed;
    --border-hover: #c1a063;

    --text-main: #111827;
    --text-secondary: #4b5563;
    --text-muted: #6b7280;

    /* Tipografías */
    --font-serif: 'Newsreader', Georgia, serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;

    /* Geometría y Sombras */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-card: 0 2px 8px rgba(17, 24, 39, 0.04);
    --shadow-card-hover: 0 12px 28px rgba(35, 55, 91, 0.09);
    --container-max: 1140px;
}

html.dark {
    --bg-body: #0b0f17;
    --bg-surface: #121826;
    --bg-surface-subtle: #1a2234;
    --bg-header: rgba(11, 15, 23, 0.85);
    --border-color: #222c40;
    --border-hover: #c1a063;

    --text-main: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-muted: #6b7280;

    --shadow-card: 0 2px 10px rgba(0, 0, 0, 0.25);
    --shadow-card-hover: 0 12px 30px rgba(0, 0, 0, 0.45);
}

/* =========================================================
   2. RESET Y BASE
   ========================================================= */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

[x-cloak] { display: none !important; }

body {
    font-family: var(--font-sans);
    background-color: var(--bg-body);
    color: var(--text-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color 0.25s ease, color 0.25s ease;
    -webkit-font-smoothing: antialiased;
}

::selection {
    background-color: var(--color-accent);
    color: #0b0f17;
}

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* =========================================================
   3. HEADER
   ========================================================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--bg-header);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
}

.header-inner {
    height: 4.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-monogram {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border: 1px solid rgba(193, 160, 99, 0.45);
    color: #ffffff;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.15rem;
    display: grid;
    place-items: center;
    box-shadow: 0 4px 12px rgba(35, 55, 91, 0.2);
}

.brand-name {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.brand-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.72rem;
    font-weight: 600;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
}

.status-badge .dot {
    width: 0.45rem;
    height: 0.45rem;
    border-radius: 50%;
}

.status-loading { background: rgba(59, 130, 246, 0.12); color: #3b82f6; }
.status-loading .dot { background: #3b82f6; animation: pulse 1.4s infinite; }

.status-live { background: rgba(16, 185, 129, 0.12); color: #10b981; }
.status-live .dot { background: #10b981; }

.status-fallback { background: rgba(245, 158, 11, 0.12); color: #d97706; }
.status-fallback .dot { background: #d97706; }

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(1.3); }
}

.theme-toggle {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    color: var(--text-secondary);
    display: grid;
    place-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.icon { width: 1.15rem; height: 1.15rem; }
.icon-sm { width: 0.9rem; height: 0.9rem; }

/* =========================================================
   4. HERO CON RETRATO FANCY Y SEMBLANZA BIOGRÁFICA
   ========================================================= */
.hero-banner {
    position: relative;
    background: radial-gradient(circle at 85% 15%, var(--color-accent-soft), transparent 45%),
                linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-body) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 3.25rem 0 2.75rem;
}

.profile-showcase {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.25rem;
    align-items: center;
    margin-bottom: 2.5rem;
}

@media (min-width: 820px) {
    .profile-showcase {
        grid-template-columns: 220px 1fr;
        gap: 3rem;
    }
}

/* --- Marco Fancy de Fotografía --- */
.portrait-wrapper {
    position: relative;
    width: 195px;
    height: 230px;
    margin: 0 auto;
    flex-shrink: 0;
}

@media (min-width: 820px) {
    .portrait-wrapper {
        width: 210px;
        height: 250px;
        margin: 0;
    }
}

/* Placa trasera desplazada con gradiente institucional */
.portrait-backdrop {
    position: absolute;
    inset: 0;
    transform: translate(11px, 11px);
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, var(--color-primary), var(--color-accent));
    opacity: 0.85;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.portrait-wrapper:hover .portrait-backdrop {
    transform: translate(15px, 15px);
}

/* Contenedor principal de la foto */
.portrait-frame {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background-color: var(--bg-surface-subtle);
    border: 2px solid var(--bg-surface);
    box-shadow: 0 18px 36px -10px rgba(35, 55, 91, 0.28);
}

/* Filete dorado interno sutil */
.portrait-frame::after {
    content: "";
    position: absolute;
    inset: 7px;
    border-radius: 11px;
    border: 1px solid rgba(193, 160, 99, 0.42);
    pointer-events: none;
}

.portrait-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    display: block;
    transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.portrait-wrapper:hover .portrait-img {
    transform: scale(1.04);
}

.portrait-fallback {
    width: 100%;
    height: 100%;
    background: linear-gradient(145deg, var(--color-primary), #182640);
    color: var(--color-accent);
    font-family: var(--font-serif);
    font-size: 3.25rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    letter-spacing: 0.04em;
}

/* Insignia flotante inferior */
.portrait-badge {
    position: absolute;
    bottom: -10px;
    left: 14px;
    background-color: var(--color-primary);
    color: #ffffff;
    border: 1px solid var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    box-shadow: 0 6px 14px rgba(0, 0, 0, 0.22);
}

/* --- Semblanza y Datos Biográficos --- */
.bio-content {
    display: flex;
    flex-direction: column;
    gap: 1.15rem;
}

.hero-kicker {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.74rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: 0.35rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 3.6vw, 2.85rem);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 0.35rem;
}

.hero-institution {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Bloque editorial de semblanza */
.bio-summary {
    position: relative;
    padding: 0.85rem 1.15rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-size: 0.94rem;
    line-height: 1.68;
    color: var(--text-secondary);
    box-shadow: var(--shadow-card);
}

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

.research-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}

.research-tag {
    font-size: 0.73rem;
    font-weight: 500;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    background-color: var(--bg-surface-subtle);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.academic-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.orcid-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--text-secondary);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
}

.orcid-pill:hover {
    border-color: var(--color-accent);
    color: var(--text-main);
}

.orcid-dot {
    background-color: #a6ce39;
    color: #fff;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.65rem;
    width: 1.1rem;
    height: 1.1rem;
    border-radius: 50%;
    display: grid;
    place-items: center;
}

/* Barra Horizontal de Métricas */
.metrics-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1.75rem;
    border-top: 1px solid var(--border-color);
}

.metric-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem 1.35rem;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-main);
}

.metric-value.accent {
    color: var(--color-accent);
}

.metric-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    color: var(--text-muted);
    margin-top: 0.15rem;
}

/* =========================================================
   5. ENCABEZADO DE SECCIÓN Y TOOLBAR
   ========================================================= */
.main-content {
    flex: 1;
    padding-top: 2.25rem;
    padding-bottom: 4rem;
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.section-heading h3 {
    font-family: var(--font-serif);
    font-size: 1.55rem;
    font-weight: 700;
}

.section-sub {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.toolbar {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

@media (min-width: 960px) {
    .toolbar {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.search-box {
    position: relative;
    flex: 1;
    max-width: 420px;
}

.search-icon {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 1rem;
    color: var(--text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.65rem 2.25rem 0.65rem 2.5rem;
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--text-main);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-soft);
}

.search-clear {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--text-muted);
    cursor: pointer;
}

.toolbar-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}

.filter-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.filter-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    border-color: var(--color-accent);
    color: var(--text-main);
}

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

.filter-btn .count {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    opacity: 0.75;
}

.sort-select {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 500;
    padding: 0.52rem 0.85rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
}

/* =========================================================
   6. GRID Y TARJETAS DE PUBLICACIONES
   ========================================================= */
.publications-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 768px) {
    .publications-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pub-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--color-primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.25rem;
    box-shadow: var(--shadow-card);
    transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.pub-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-hover);
    border-left-color: var(--color-accent);
    box-shadow: var(--shadow-card-hover);
}

.pub-meta-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.pub-type {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.6rem;
    border-radius: 6px;
    background-color: var(--bg-surface-subtle);
    color: var(--text-secondary);
}

.pub-year {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.pub-title {
    font-family: var(--font-serif);
    font-size: 1.18rem;
    font-weight: 600;
    line-height: 1.35;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.pub-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.18s;
}

.pub-title a:hover {
    color: var(--color-accent);
}

.pub-venue {
    font-size: 0.82rem;
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 0.45rem;
}

.pub-authors {
    font-size: 0.76rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pub-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.9rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.78rem;
}

.pub-stats {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.citations-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.22rem 0.6rem;
    border-radius: 999px;
    background-color: var(--color-accent-soft);
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.74rem;
}

.cite-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    padding: 0.22rem 0.55rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.cite-btn:hover {
    border-color: var(--color-accent);
    color: var(--text-main);
}

.cite-btn.copied {
    background-color: rgba(16, 185, 129, 0.15);
    border-color: #10b981;
    color: #10b981;
}

.doi-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s, transform 0.2s;
}

html.dark .doi-link {
    color: var(--color-accent);
}

.doi-link:hover {
    text-decoration: underline;
    transform: translateX(2px);
}

/* =========================================================
   7. SKELETONS, EMPTY STATE Y FOOTER
   ========================================================= */
.skeleton {
    border-left-color: var(--border-color);
    animation: pulse 1.6s infinite;
}

.skel-row { display: flex; justify-content: space-between; }
.skel-pill { width: 5.5rem; height: 1.2rem; background: var(--bg-surface-subtle); border-radius: 6px; }
.skel-date { width: 4rem; height: 1rem; background: var(--bg-surface-subtle); border-radius: 6px; }
.skel-title { width: 100%; height: 1.25rem; background: var(--bg-surface-subtle); border-radius: 6px; }
.skel-title.short { width: 72%; }
.skel-meta { width: 50%; height: 0.9rem; background: var(--bg-surface-subtle); border-radius: 6px; }

.empty-state {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.reset-btn {
    margin-top: 1rem;
    padding: 0.55rem 1.1rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-surface);
    color: var(--text-main);
    font-size: 0.8rem;
    cursor: pointer;
}

.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.75rem 0;
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.site-footer a {
    color: var(--text-secondary);
    text-decoration: underline;
}

.site-footer a:hover {
    color: var(--color-accent);
}

@media (max-width: 640px) {
    .status-live { display: none; }
    .metrics-strip { gap: 0.5rem; }
    .metric-card { padding: 0.8rem; }
    .metric-value { font-size: 1.35rem; }
}

/* =========================================================
   9. BARRA DE PERFILES EXTERNOS (ORCID, SCHOLAR, OPENALEX)
   ========================================================= */
.profiles-bar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.85rem;
    margin-bottom: 2.25rem;
}

@media (min-width: 768px) {
    .profiles-bar {
        grid-template-columns: repeat(3, 1fr);
    }
}

.profile-link-card {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: 0.85rem 1.1rem;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-main);
    box-shadow: var(--shadow-card);
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.profile-link-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card-hover);
}

.profile-icon {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: var(--radius-sm);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.orcid-badge {
    background-color: rgba(166, 206, 57, 0.16);
    color: #7ea31c;
}

html.dark .orcid-badge {
    color: #a6ce39;
}

.scholar-badge {
    background-color: rgba(66, 133, 244, 0.14);
    color: #2563eb;
}

html.dark .scholar-badge {
    color: #60a5fa;
}

.openalex-badge {
    background-color: var(--color-accent-soft);
    color: var(--color-accent);
    font-family: var(--font-mono);
}

.profile-link-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
}

.profile-platform {
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.25;
}

.profile-handle {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-arrow {
    width: 0.95rem;
    height: 0.95rem;
    color: var(--text-muted);
    flex-shrink: 0;
    transition: transform 0.2s ease, color 0.2s ease;
}

.profile-link-card:hover .profile-arrow {
    color: var(--color-accent);
    transform: translate(2px, -2px);
}