/* ==========================================================
   MENÚ LATERAL
   Panel tipo explorador de un editor de código: marca, buscador,
   navegación con indicador que sigue al puntero, terminal de
   estado y redes. La página actual se reconoce por el peso
   del texto, el fondo y el borde, no solo por el color.
   ========================================================== */

.sb {
    --sb-line: rgba(120, 150, 200, .15);
    --sb-text: #c5cfde;
    --sb-dim: #8190a7;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 20px;
    /* Alto de la ventana menos el margen superior/inferior del menú (28px)
       y el relleno vertical de .dashboard-sidebar (20px). */
    min-height: calc(100vh - 48px);
    padding: 18px 14px 14px;
    overflow: hidden;
    isolation: isolate;
    border: 1px solid rgba(88, 123, 174, .28);
    border-radius: var(--radius-xl);
    background: linear-gradient(180deg, rgba(9, 17, 33, .97), rgba(3, 8, 18, .98));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .04), 0 18px 40px rgba(0, 0, 0, .25);
    font-family: var(--font-sans);
}

/* Luz tenue en la esquina superior, como el brillo de un monitor. */
.sb::before {
    content: "";
    position: absolute;
    z-index: -1;
    top: -120px;
    left: -80px;
    width: 320px;
    height: 260px;
    background: radial-gradient(closest-side, rgba(47, 124, 255, .16), transparent);
    pointer-events: none;
}

/* ---------- Marca ---------- */

.sb-head {
    display: grid;
    gap: 14px;
    padding: 2px 2px 0;
}

.sb-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--sb-line);
    color: var(--sb-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.sb-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
}

.sb-logo {
    display: grid;
    flex: 0 0 40px;
    place-items: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: linear-gradient(140deg, #3b86ff, #1a4fd6);
    color: #fff;
    font-family: var(--font-mono);
    font-size: var(--text-md);
    font-weight: 700;
    box-shadow: 0 6px 18px rgba(31, 111, 239, .35), inset 0 1px 0 rgba(255, 255, 255, .25);
    transition: transform var(--duration) var(--ease-out);
}

.sb-brand:hover .sb-logo {
    transform: rotate(-6deg) scale(1.05);
}

.sb-brand-text {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.sb-brand-text strong {
    color: #fff;
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 700;
    line-height: 1;
}

.sb-brand-text strong span {
    color: var(--color-primary);
}

.sb-brand-text small {
    color: var(--sb-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    white-space: nowrap;
}

.sb-online {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    gap: 6px;
    padding: 4px 8px;
    border: 1px solid rgba(32, 214, 123, .3);
    border-radius: var(--radius-pill);
    background: rgba(32, 214, 123, .08);
    color: var(--color-success);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    line-height: 1;
}

.sb-online i {
    position: relative;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.sb-online i::after {
    content: "";
    position: absolute;
    inset: -3px;
    border: 1px solid currentColor;
    border-radius: 50%;
    opacity: 0;
    animation: sbPulse 2.4s var(--ease-out) infinite;
}

/* ---------- Buscador ---------- */

.sb .sb-search {
    min-height: 42px;
    margin: 0;
    border-color: var(--sb-line);
    border-radius: 10px;
    background: rgba(255, 255, 255, .03);
    color: var(--sb-dim);
    font-size: var(--text-sm);
    transition: border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

.sb .sb-search span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sb .sb-search kbd {
    border-color: var(--sb-line);
    background: rgba(255, 255, 255, .04);
    font-family: var(--font-mono);
}

.sb .sb-search:hover {
    border-color: rgba(47, 124, 255, .4);
    background: rgba(47, 124, 255, .07);
    color: var(--color-text);
}

/* ---------- Navegación ---------- */

.sb-nav {
    position: relative;
}

.sb-label {
    margin: 0 0 8px;
    padding-inline: 12px;
    color: var(--sb-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: .14em;
    text-transform: uppercase;
}

.sb-nav ul {
    display: grid;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.sb-link {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    align-items: center;
    gap: 12px;
    min-height: 44px;
    padding: 0 12px;
    border-radius: 10px;
    color: var(--sb-text);
    font-size: .9375rem;
    font-weight: 500;
    text-decoration: none;
    transition: color var(--duration) var(--ease-out);
}

.sb-link > i {
    color: #8197bb;
    font-size: 17px;
    line-height: 1;
    text-align: center;
    transition: color var(--duration) var(--ease-out), transform var(--duration) var(--ease-out);
}

.sb-link:hover,
.sb-link:focus-visible {
    color: #fff;
}

.sb-link:hover > i,
.sb-link:focus-visible > i {
    color: #a9c6ff;
    transform: scale(1.08);
}

/* Sin JavaScript (o en táctil) el hover pinta su propio fondo. */
.sb-nav:not(.has-indicator) .sb-link:hover {
    background: rgba(255, 255, 255, .045);
}

.sb-link.is-active {
    color: #fff;
    font-weight: 650;
    background: linear-gradient(90deg, rgba(47, 124, 255, .2), rgba(47, 124, 255, .05));
    box-shadow: inset 0 0 0 1px rgba(47, 124, 255, .34);
}

.sb-link.is-active > i {
    color: #6ea8ff;
}

/* Indicador que se desliza bajo el enlace señalado (lo crea main.js). */
.sb-indicator {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    border: 1px solid rgba(140, 170, 220, .16);
    border-radius: 10px;
    background: rgba(255, 255, 255, .045);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--duration) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}

.sb-indicator.is-visible { opacity: 1; }
.sb-indicator.is-jump { transition: opacity var(--duration-fast) var(--ease-out); }

/* ---------- Terminal de estado ---------- */

.sb-term {
    overflow: hidden;
    border: 1px solid var(--sb-line);
    border-radius: var(--radius-lg);
    background: rgba(2, 7, 16, .85);
}

.sb-term-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--sb-line);
    background: rgba(255, 255, 255, .025);
    color: var(--sb-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.sb-term-dots {
    display: flex;
    gap: 5px;
}

.sb-term-dots i {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #3b4a63;
}

.sb-term-dots i:first-child { background: #e0605a; }
.sb-term-dots i:nth-child(2) { background: #d9a842; }
.sb-term-dots i:nth-child(3) { background: #3fb36e; }

.sb-term-body {
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
}

.sb-term-cmd {
    margin: 0;
    color: #e3eaf6;
}

.sb-term-cmd span {
    color: var(--color-success);
}

.sb-term-list {
    display: grid;
    gap: 6px;
    margin: 10px 0 0;
}

.sb-term-list > div {
    display: flex;
    align-items: baseline;
}

.sb-term-list dt {
    color: var(--sb-dim);
}

/* Puntos guía entre etiqueta y valor, como en una salida de terminal. */
.sb-term-list > div::after {
    content: "";
    flex: 1;
    order: 1;
    margin: 0 8px;
    border-bottom: 1px dotted rgba(129, 144, 167, .35);
}

.sb-term-list dd {
    order: 2;
    margin: 0;
    color: #eef3fb;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.sb-term-list dd.is-ok {
    color: var(--color-success);
}

.sb-term-prompt {
    margin: 10px 0 0;
    color: var(--sb-dim);
}

.sb-term-prompt span {
    color: var(--color-primary);
}

.sb-term-prompt i {
    display: inline-block;
    width: 7px;
    height: 13px;
    margin-left: 2px;
    vertical-align: -2px;
    background: var(--color-primary);
    animation: sbBlink 1.1s steps(1) infinite;
}

/* ---------- Pie ---------- */

.sb-foot {
    display: grid;
    gap: 12px;
    margin-top: auto;
}

.sb-socials {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
}

.sb-socials a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 4px;
    border: 1px solid var(--sb-line);
    border-radius: 10px;
    background: rgba(255, 255, 255, .02);
    color: var(--sb-dim);
    font-size: var(--text-xs);
    text-decoration: none;
    transition: color var(--duration) var(--ease-out), border-color var(--duration) var(--ease-out), background-color var(--duration) var(--ease-out);
}

.sb-socials i {
    color: #a9bbd8;
    font-size: 18px;
    transition: transform var(--duration) var(--ease-out), color var(--duration) var(--ease-out);
}

.sb-socials a:hover,
.sb-socials a:focus-visible {
    border-color: rgba(47, 124, 255, .4);
    background: rgba(47, 124, 255, .08);
    color: #fff;
}

.sb-socials a:hover i,
.sb-socials a:focus-visible i {
    color: #fff;
    transform: translateY(-2px);
}

.sb-loc {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 0;
    color: var(--sb-dim);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: .12em;
    text-transform: uppercase;
}

.sb-loc i {
    color: var(--color-primary);
}

/* ---------- Pantallas bajas ---------- */

/* Portátiles con poca altura: el menú se compacta para que la terminal de
   estado quepa siempre en el ordenador (solo se oculta en móvil). */
@media (min-width: 961px) and (max-height: 820px) {
    .sb { gap: 14px; padding-top: 14px; }
    .sb-link { min-height: 40px; }
    .sb-term-prompt { display: none; }
    .sb-socials a { flex-direction: row; justify-content: center; padding-block: 8px; }
}

@media (min-width: 961px) and (max-height: 700px) {
    .sb { gap: 10px; padding: 12px 12px 10px; }
    .sb-head { gap: 10px; }
    .sb-meta { padding-top: 8px; }
    .sb-logo { flex-basis: 34px; width: 34px; height: 34px; }
    .sb .sb-search { min-height: 36px; }
    .sb-label { margin-bottom: 4px; }
    .sb-link { min-height: 36px; }
    .sb-term-bar { padding-block: 6px; }
    .sb-term-body { padding: 8px 12px; }
    .sb-term-list { gap: 3px; margin-top: 6px; }
    .sb-socials a { min-height: 34px; padding-block: 6px; }
    .sb-foot { gap: 8px; }
}

/* Pantallas muy bajas: lo menos necesario se pliega antes que la terminal. */
@media (min-width: 961px) and (max-height: 600px) {
    .sb-meta,
    .sb-label,
    .sb-loc { display: none; }
}

/* ---------- Menú móvil: solo buscador y navegación ---------- */

@media (max-width: 960px) {
    .sb {
        gap: 12px;
        min-height: 0;
        padding: 12px;
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .sb::before,
    .sb-head,
    .sb-term,
    .sb-foot {
        display: none;
    }

    .sb-link { min-height: 46px; }
}

@keyframes sbPulse {
    0% { opacity: .8; transform: scale(.6); }
    100% { opacity: 0; transform: scale(2.2); }
}

@keyframes sbBlink { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
    .sb-online i::after,
    .sb-term-prompt i { animation: none; }
    .sb-indicator { transition: opacity var(--duration-fast) linear; }
    .sb-brand:hover .sb-logo,
    .sb-link:hover > i,
    .sb-link:focus-visible > i,
    .sb-socials a:hover i,
    .sb-socials a:focus-visible i { transform: none; }
}

/* ---------- Marca en la cabecera móvil y páginas sin menú ----------
   Misma identidad que la cabecera del menú lateral. */

.brand-header {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
}

.brand-header .brand-title {
    align-items: center;
    gap: 10px;
    color: #fff;
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1;
    text-transform: none;
    text-shadow: none;
}

.brand-header .brand-mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    margin: 0;
    border-radius: 9px;
    background: linear-gradient(140deg, #3b86ff, #1a4fd6);
    color: #fff;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    text-shadow: none;
    box-shadow: 0 6px 16px rgba(31, 111, 239, .35), inset 0 1px 0 rgba(255, 255, 255, .25);
}

.brand-header .brand-name,
.brand-header .brand-domain {
    letter-spacing: 0;
    text-transform: none;
    text-shadow: none;
}

.brand-header .brand-domain {
    color: var(--color-primary);
}

.brand-header .brand-version {
    margin: 0;
    padding: 2px 8px;
    border: 1px solid rgba(120, 150, 200, .2);
    border-radius: var(--radius-pill);
    color: #8190a7;
    font-family: var(--font-mono);
    font-weight: 500;
    letter-spacing: 0;
}