/*
 * GenLibros — Fuentes, autoría y derechos
 * Componente compartido entre el lector y la vista previa del editor.
 * Se mantiene deliberadamente aislado para no heredar estilos del lienzo.
 */

:is(body, .genlibros-reader) .reader-attribution-bar {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    margin: 0.45rem 0 0.25rem;
    padding: 0;
    box-sizing: border-box;
    user-select: none;
}

:is(body, .genlibros-reader) .reader-attribution-btn {
    --attr-accent: #3156a3;
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    width: auto;
    max-width: 100%;
    min-width: 0;
    min-height: 30px;
    height: auto;
    gap: 0.45rem;
    padding: 0.3rem 0.55rem 0.3rem 0.4rem;
    border: 1px solid rgba(49, 86, 163, 0.16);
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(247, 249, 253, 0.96));
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04), inset 0 1px 0 rgba(255, 255, 255, 0.85);
    color: #475569;
    cursor: pointer;
    font-family: Inter, "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1;
    text-align: left;
    transition: border-color 160ms ease, box-shadow 160ms ease, color 160ms ease, transform 160ms ease;
    -webkit-tap-highlight-color: transparent;
}

:is(body, .genlibros-reader) .reader-attribution-btn:hover {
    border-color: rgba(49, 86, 163, 0.34);
    box-shadow: 0 4px 12px rgba(37, 69, 135, 0.10), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    color: #1e3a78;
    transform: translateY(-1px);
}

:is(body, .genlibros-reader) .reader-attribution-btn:focus-visible {
    outline: 3px solid rgba(49, 86, 163, 0.22);
    outline-offset: 2px;
    border-color: #3156a3;
    color: #1e3a78;
}

:is(body, .genlibros-reader) .reader-attribution-btn:active {
    transform: translateY(0) scale(0.985);
}

:is(body, .genlibros-reader) .reader-attribution-source-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    flex: 0 0 20px;
    border-radius: 50%;
    background: #e9eef9;
    color: var(--attr-accent);
}

:is(body, .genlibros-reader) .reader-attribution-source-icon svg,
:is(body, .genlibros-reader) .reader-attribution-chevron svg {
    width: 11px;
    height: 11px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

:is(body, .genlibros-reader) .reader-attribution-text {
    min-width: 0;
    max-width: min(460px, calc(100vw - 150px));
    overflow: hidden;
    color: #526177;
    font-size: 0.69rem;
    font-weight: 560;
    line-height: 1.25;
    letter-spacing: 0.005em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

:is(body, .genlibros-reader) .reader-attribution-detail-label {
    margin-left: 0.1rem;
    color: var(--attr-accent);
    font-size: 0.66rem;
    font-weight: 700;
    line-height: 1;
    white-space: nowrap;
}

:is(body, .genlibros-reader) .reader-attribution-chevron {
    display: inline-flex;
    color: #7890bd;
    transition: transform 160ms ease;
}

:is(body, .genlibros-reader) .reader-attribution-btn:hover .reader-attribution-chevron {
    transform: translateX(2px);
}

/* Overlay autocontenido: funciona igual en reader/read.html y editor/index.html. */
#reader-attribution-overlay.reader-attribution-overlay {
    position: fixed !important;
    inset: 0 !important;
    z-index: 2147483000 !important;
    display: grid !important;
    place-items: center !important;
    width: 100vw !important;
    height: 100vh !important;
    min-height: 100dvh !important;
    margin: 0 !important;
    padding: clamp(0.85rem, 3vw, 2.25rem) !important;
    overflow: auto !important;
    box-sizing: border-box !important;
    background: rgba(7, 15, 31, 0.72) !important;
    backdrop-filter: blur(12px) saturate(0.85) !important;
    -webkit-backdrop-filter: blur(12px) saturate(0.85) !important;
    isolation: isolate;
    animation: reader-attribution-overlay-in 180ms ease-out both;
}

#reader-attribution-overlay.reader-attribution-overlay[hidden] {
    display: none !important;
}

#reader-attribution-overlay .reader-attribution-dialog,
#reader-attribution-overlay .reader-attribution-dialog * {
    box-sizing: border-box;
}

#reader-attribution-overlay .reader-attribution-dialog {
    position: relative !important;
    display: flex !important;
    flex-direction: column !important;
    width: min(650px, 100%) !important;
    max-width: 650px !important;
    max-height: min(86vh, 760px) !important;
    margin: auto !important;
    padding: 0 !important;
    overflow: hidden !important;
    border: 1px solid rgba(255, 255, 255, 0.8) !important;
    border-radius: 22px !important;
    background: #f8fafc !important;
    box-shadow: 0 32px 80px rgba(3, 10, 24, 0.38), 0 8px 24px rgba(3, 10, 24, 0.18) !important;
    color: #172033 !important;
    font-family: Inter, "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif !important;
    text-align: left !important;
    transform-origin: center;
    animation: reader-attribution-dialog-in 230ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

#reader-attribution-overlay .reader-attribution-dialog-header {
    position: relative;
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.9rem;
    padding: 1.35rem 1.4rem 1.25rem;
    overflow: hidden;
    border: 0;
    background:
        radial-gradient(circle at 92% 5%, rgba(114, 143, 211, 0.32), transparent 35%),
        linear-gradient(135deg, #101b34 0%, #172b55 58%, #1f3d77 100%);
    color: #ffffff;
}

#reader-attribution-overlay .reader-attribution-dialog-header::after {
    content: "";
    position: absolute;
    right: 3.5rem;
    bottom: -3.75rem;
    width: 9rem;
    height: 9rem;
    border: 1px solid rgba(255, 255, 255, 0.10);
    border-radius: 50%;
    pointer-events: none;
}

#reader-attribution-overlay .reader-attribution-dialog-mark {
    position: relative;
    z-index: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 13px;
    background: rgba(255, 255, 255, 0.10);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
    color: #c9d9ff;
}

#reader-attribution-overlay .reader-attribution-dialog-mark svg {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

#reader-attribution-overlay .reader-attribution-dialog-header-info {
    position: relative;
    z-index: 1;
    min-width: 0;
}

#reader-attribution-overlay .reader-attribution-dialog-eyebrow {
    display: block;
    margin-bottom: 0.2rem;
    color: #a9c2f5;
    font-size: 0.64rem;
    font-weight: 750;
    letter-spacing: 0.13em;
    line-height: 1.2;
    text-transform: uppercase;
}

#reader-attribution-overlay .reader-attribution-dialog-title {
    margin: 0;
    color: #ffffff;
    font-size: clamp(1.06rem, 2.4vw, 1.28rem);
    font-weight: 740;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

#reader-attribution-overlay .reader-attribution-dialog-subtitle {
    margin: 0.3rem 0 0;
    color: #c4d0e8;
    font-size: 0.76rem;
    font-weight: 430;
    line-height: 1.4;
}

#reader-attribution-overlay .reader-attribution-dialog-close {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    min-width: 38px;
    min-height: 38px;
    margin: 0;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 11px;
    background: rgba(255, 255, 255, 0.08);
    color: #d9e4f8;
    cursor: pointer;
    transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease;
}

#reader-attribution-overlay .reader-attribution-dialog-close:hover,
#reader-attribution-overlay .reader-attribution-dialog-close:focus-visible {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.16);
    color: #ffffff;
    outline: none;
}

#reader-attribution-overlay .reader-attribution-dialog-close:focus-visible {
    box-shadow: 0 0 0 3px rgba(172, 199, 255, 0.28);
}

#reader-attribution-overlay .reader-attribution-dialog-close:active {
    transform: scale(0.94);
}

#reader-attribution-overlay .reader-attribution-dialog-close svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
}

#reader-attribution-overlay .reader-attribution-dialog-body {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
    min-height: 0;
    padding: 1.15rem 1.25rem 1.25rem;
    overflow-y: auto;
    background:
        linear-gradient(rgba(248, 250, 252, 0.93), rgba(248, 250, 252, 0.93)),
        radial-gradient(circle at 10% 10%, #dbe8ff, transparent 34%);
    color: #253047;
    font-size: 0.82rem;
    line-height: 1.5;
    scrollbar-color: #aebbd0 transparent;
    scrollbar-width: thin;
}

#reader-attribution-overlay .reader-attribution-dialog-status {
    grid-column: 1 / -1;
    display: inline-flex;
    align-items: center;
    justify-self: start;
    gap: 0.38rem;
    min-height: 28px;
    padding: 0.28rem 0.65rem;
    border: 1px solid #c6e8d6;
    border-radius: 999px;
    background: #ecf9f2;
    color: #176342;
    font-size: 0.69rem;
    font-weight: 720;
    line-height: 1;
}

#reader-attribution-overlay .reader-attribution-dialog-status-icon,
#reader-attribution-overlay .reader-attribution-dialog-legal-icon {
    display: inline-flex;
    flex: 0 0 auto;
}

#reader-attribution-overlay .reader-attribution-dialog-status svg,
#reader-attribution-overlay .reader-attribution-dialog-legal-note svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

#reader-attribution-overlay .reader-attribution-dialog-section {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    min-width: 0;
    margin: 0;
    padding: 0.95rem;
    border: 1px solid #e0e6ef;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.03);
}

#reader-attribution-overlay .reader-attribution-dialog-section[data-section="source"] {
    grid-column: 1 / -1;
}

#reader-attribution-overlay .reader-attribution-dialog-section-title {
    display: flex;
    align-items: center;
    gap: 0.48rem;
    margin: 0 0 0.05rem;
    color: #263d70;
    font-size: 0.7rem;
    font-weight: 780;
    letter-spacing: 0.075em;
    line-height: 1.25;
    text-transform: uppercase;
}

#reader-attribution-overlay .reader-attribution-dialog-section-marker {
    width: 7px;
    height: 7px;
    flex: 0 0 7px;
    border-radius: 2px;
    background: #4b70bd;
    box-shadow: 0 0 0 3px #e8eef9;
}

#reader-attribution-overlay .reader-attribution-dialog-row {
    display: grid;
    grid-template-columns: minmax(100px, 0.42fr) minmax(0, 1fr);
    align-items: start;
    gap: 0.75rem;
    min-width: 0;
    padding-top: 0.6rem;
    border-top: 1px solid #edf0f5;
}

#reader-attribution-overlay .reader-attribution-dialog-row:first-of-type {
    padding-top: 0;
    border-top: 0;
}

#reader-attribution-overlay .reader-attribution-dialog-row-label {
    color: #748096;
    font-size: 0.68rem;
    font-weight: 650;
    line-height: 1.4;
}

#reader-attribution-overlay .reader-attribution-dialog-row-val {
    min-width: 0;
    color: #1c2940;
    font-size: 0.78rem;
    font-weight: 540;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

#reader-attribution-overlay .reader-attribution-dialog-row-link {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
    min-width: 0;
    padding: 0.45rem 0.58rem;
    border: 1px solid #d9e3f5;
    border-radius: 9px;
    background: #f4f7fd;
    color: #2d56a2;
    font-size: 0.72rem;
    font-weight: 700;
    line-height: 1.3;
    text-decoration: none;
    transition: border-color 150ms ease, background 150ms ease, color 150ms ease;
}

#reader-attribution-overlay .reader-attribution-dialog-row-link:hover,
#reader-attribution-overlay .reader-attribution-dialog-row-link:focus-visible {
    border-color: #adc1e6;
    background: #eaf0fb;
    color: #1e438a;
    outline: none;
    text-decoration: none;
}

#reader-attribution-overlay .reader-attribution-dialog-row-link:focus-visible {
    box-shadow: 0 0 0 3px rgba(49, 86, 163, 0.14);
}

#reader-attribution-overlay .reader-attribution-dialog-link-icon {
    display: inline-flex;
    flex: 0 0 auto;
}

#reader-attribution-overlay .reader-attribution-dialog-link-icon svg {
    width: 13px;
    height: 13px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

#reader-attribution-overlay .reader-attribution-dialog-row--citation {
    grid-template-columns: 1fr;
    gap: 0.35rem;
}

#reader-attribution-overlay .reader-attribution-dialog-citation {
    margin: 0;
    padding: 0.75rem 0.85rem;
    overflow-wrap: anywhere;
    border: 1px solid #e1e7f0;
    border-left: 3px solid #5578c0;
    border-radius: 8px;
    background: #f8fafc;
    color: #3c485d;
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 0.78rem;
    font-style: italic;
    line-height: 1.55;
    white-space: pre-wrap;
}

#reader-attribution-overlay .reader-attribution-dialog-legal-note {
    grid-column: 1 / -1;
    display: flex;
    align-items: flex-start;
    gap: 0.55rem;
    margin: 0;
    padding: 0.7rem 0.8rem;
    border: 1px solid #e3e8f0;
    border-radius: 11px;
    background: rgba(241, 245, 249, 0.82);
    color: #6b7689;
    font-size: 0.67rem;
    line-height: 1.45;
}

#reader-attribution-overlay .reader-attribution-dialog-legal-icon {
    margin-top: 0.05rem;
    color: #5572aa;
}

@keyframes reader-attribution-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes reader-attribution-dialog-in {
    from { opacity: 0; transform: translateY(14px) scale(0.975); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 620px) {
    :is(body, .genlibros-reader) .reader-attribution-detail-label {
        display: none;
    }

    :is(body, .genlibros-reader) .reader-attribution-text {
        max-width: calc(100vw - 112px);
    }

    #reader-attribution-overlay.reader-attribution-overlay {
        place-items: end center !important;
        padding: 0 !important;
        background: rgba(7, 15, 31, 0.68) !important;
    }

    #reader-attribution-overlay .reader-attribution-dialog {
        width: 100% !important;
        max-width: none !important;
        max-height: min(91dvh, 780px) !important;
        margin: 0 !important;
        border-right: 0 !important;
        border-bottom: 0 !important;
        border-left: 0 !important;
        border-radius: 22px 22px 0 0 !important;
        transform-origin: bottom center;
    }

    #reader-attribution-overlay .reader-attribution-dialog-header {
        gap: 0.7rem;
        padding: 1.1rem 1rem 1rem;
    }

    #reader-attribution-overlay .reader-attribution-dialog-mark {
        width: 39px;
        height: 39px;
        border-radius: 11px;
    }

    #reader-attribution-overlay .reader-attribution-dialog-subtitle {
        display: none;
    }

    #reader-attribution-overlay .reader-attribution-dialog-body {
        grid-template-columns: 1fr;
        gap: 0.7rem;
        padding: 0.9rem 0.85rem calc(1rem + env(safe-area-inset-bottom));
    }

    #reader-attribution-overlay .reader-attribution-dialog-status,
    #reader-attribution-overlay .reader-attribution-dialog-section[data-section="source"],
    #reader-attribution-overlay .reader-attribution-dialog-legal-note {
        grid-column: 1;
    }
}

@media (max-width: 380px) {
    #reader-attribution-overlay .reader-attribution-dialog-row {
        grid-template-columns: 1fr;
        gap: 0.18rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    #reader-attribution-overlay.reader-attribution-overlay,
    #reader-attribution-overlay .reader-attribution-dialog,
    :is(body, .genlibros-reader) .reader-attribution-btn,
    :is(body, .genlibros-reader) .reader-attribution-chevron {
        animation: none !important;
        transition: none !important;
    }
}

body.reader-low-perf #reader-attribution-overlay.reader-attribution-overlay,
body.reader-ios-touch #reader-attribution-overlay.reader-attribution-overlay {
    background: rgba(7, 15, 31, 0.84) !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
}