/* ---------------------------------
 * ESTRUCTURA PRINCIPAL 
 * --------------------------------- */
.sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--card-background);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1rem;
    /* Padding expandido */
    transition: width 0.3s ease-in-out, padding 0.3s ease-in-out;
    z-index: 1000;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.main-content {
    margin-left: var(--sidebar-width);
    padding-top: var(--topbar-height);
    width: calc(100% - var(--sidebar-width));
    transition: margin-left 0.3s ease-in-out, width 0.3s ease-in-out;
    min-height: 100vh;
}

/* ---------------------------------
 * ESTADO COLAPSADO (La corrección visual)
 * --------------------------------- */
body.sidebar-collapsed .sidebar-nav {
    width: var(--sidebar-width-collapsed);
    /* Forzamos padding horizontal a 0 para centrar iconos */
    padding-left: 0;
    padding-right: 0;
}

body.sidebar-collapsed .main-content {
    margin-left: var(--sidebar-width-collapsed);
    width: calc(100% - var(--sidebar-width-collapsed));
}

/* Hover para expandir */
body.sidebar-collapsed .sidebar-nav:hover {
    width: var(--sidebar-width);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
    padding-left: 1rem;
}

/* Fix: Remove list dots */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Fix: Skip Link hidden by default */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 2000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

.sidebar-footer {
    margin-top: auto;
    overflow: hidden;
}

.sidebar-item {
    margin-bottom: 0.5rem;
}

/* Botones (Links y Acordeón) */
.sidebar-link,
.sidebar-footer .nav-link,
.sidebar-nav .accordion-button {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    transition: padding 0.3s ease-in-out, margin 0.3s ease-in-out;
    background-color: transparent;
    border: none;
    box-shadow: none;
}

/* Íconos */
.sidebar-link i,
.sidebar-footer .nav-link i,
.sidebar-nav .accordion-button i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
    color: var(--primary-color-dark);
    transition: margin 0.3s ease-in-out;
}

/* Quitar flecha fea de Bootstrap */
.sidebar-nav .accordion-button::after {
    display: none !important;
}

/* Hover Effects & Active State */
.sidebar-link:hover,
.sidebar-footer .nav-link:hover,
.sidebar-nav .accordion-button:not(.collapsed),
.sidebar-nav .accordion-button:hover,
.sidebar-link.active,
.sidebar-footer .nav-link.active {
    background-color: var(--primary-color);
    color: #ffffff !important;
    /* Fix: White text for contrast */
}

.sidebar-link:hover i,
.sidebar-footer .nav-link:hover i,
.sidebar-nav .accordion-button:not(.collapsed) i,
.sidebar-nav .accordion-button:hover i,
.sidebar-link.active i,
.sidebar-footer .nav-link.active i {
    color: var(--accent-color) !important;
    /* Fix: Gold icon for contrast */
}

/* Acordeón Interior */
.sidebar-nav .accordion-item {
    border: none;
    background: transparent;
}

.sidebar-nav .accordion-body {
    padding: 0.5rem 0.75rem 0.5rem 3.0rem;
    display: flex;
    flex-direction: column;
}

.sidebar-nav .accordion-body a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 6px;
}

.sidebar-nav .accordion-body a:hover {
    background-color: var(--border-color);
    color: var(--primary-color-dark);
}

/* Topbar y otros */
.topbar {
    position: fixed;
    top: 0;
    left: var(--sidebar-width);
    width: calc(100% - var(--sidebar-width));
    height: var(--topbar-height);
    background: var(--background-color);
    /* border-bottom: 1px solid var(--border-color); Removed to fix white line issue */
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 999;
    transition: left 0.3s ease-in-out, width 0.3s ease-in-out;
}

body.sidebar-collapsed .topbar {
    left: var(--sidebar-width-collapsed);
    width: calc(100% - var(--sidebar-width-collapsed));
}

#sidebar-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--text-color);
}

.theme-switcher {
    display: flex;
    align-items: center;
    margin-left: auto;
}

.theme-switcher .btn-icon {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 1.3rem;
}

/* Responsive */
@media (max-width: 992px) {
    body.sidebar-collapsed .sidebar-nav {
        width: var(--sidebar-width);
    }

    .sidebar-nav {
        margin-left: calc(var(--sidebar-width) * -1);
        width: var(--sidebar-width);
        padding: 1.5rem 1rem !important;
    }

    .main-content,
    body.sidebar-collapsed .main-content {
        margin-left: 0;
        width: 100%;
    }

    .topbar,
    body.sidebar-collapsed .topbar {
        left: 0;
        width: 100%;
    }

    #sidebar-toggle {
        display: block;
    }

    #sidebar-pin-toggle {
        display: none !important;
    }

    body.sidebar-visible .sidebar-nav {
        margin-left: 0;
    }

    /* Auto-hide header on mobile */
    .topbar {
        transition: transform 0.3s ease-in-out;
    }

    .topbar.topbar-hidden {
        transform: translateY(-100%);
    }
}

body.sidebar-collapsed .sidebar-nav:hover {
    width: var(--sidebar-width);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.1);
    padding-left: 1rem;
}

/* Fix: Remove list dots */
.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Fix: Skip Link hidden by default */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 2000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

.sidebar-footer {
    margin-top: auto;
    overflow: hidden;
}

.sidebar-item {
    margin-bottom: 0.5rem;
}

/* Botones (Links y Acordeón) */
.sidebar-link,
.sidebar-footer .nav-link,
.sidebar-nav .accordion-button {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    transition: padding 0.3s ease-in-out, margin 0.3s ease-in-out;
    background-color: transparent;
    border: none;
    box-shadow: none;
}

/* Íconos */
.sidebar-link i,
.sidebar-footer .nav-link i,
.sidebar-nav .accordion-button i {
    margin-right: 0.75rem;
    font-size: 1.2rem;
    color: var(--primary-color-dark);
    transition: margin 0.3s ease-in-out;
}

/* Quitar flecha fea de Bootstrap */
.sidebar-nav .accordion-button::after {
    display: none !important;
}

/* Hover Effects & Active State */
.sidebar-link:hover,
.sidebar-footer .nav-link:hover,
.sidebar-nav .accordion-button:not(.collapsed),
.sidebar-nav .accordion-button:hover,
.sidebar-link.active,
.sidebar-footer .nav-link.active {
    background-color: var(--primary-color);
    color: #ffffff !important;
    /* Fix: White text for contrast */
}

.sidebar-link:hover i,
.sidebar-footer .nav-link:hover i,
.sidebar-nav .accordion-button:not(.collapsed) i,
.sidebar-nav .accordion-button:hover i,
.sidebar-link.active i,
.sidebar-footer .nav-link.active i {
    color: var(--accent-color) !important;
    /* Fix: Gold icon for contrast */
}

/* Acordeón Interior */
.sidebar-nav .accordion-item {
    border: none;
    background: transparent;
}

.sidebar-nav .accordion-body {
    padding: 0.5rem 0.75rem 0.5rem 3.0rem;
    display: flex;
    flex-direction: column;
}

.sidebar-nav .accordion-body a {
    color: var(--text-color);
    text-decoration: none;
    padding: 0.5rem;
    border-radius: 6px;
}

.sidebar-nav .accordion-body a:hover {
    background-color: var(--border-color);
    color: var(--primary-color-dark);
}

/* ================================================================== */
/* ================  FIXES VISUALES (MAGIA)   ======================= */
/* ================================================================== */

/* Responsive Visual Fixes (Desktop Only) */
@media (min-width: 992px) {

    /* 1. Animación de Texto (Suave) */
    .sidebar-nav .sidebar-link span,
    .sidebar-nav .accordion-button span,
    .sidebar-nav .sidebar-footer .nav-link span,
    .sidebar-nav .sidebar-brand span {
        white-space: nowrap;
        transition: opacity 0.2s ease-in-out 0.15s !important;
    }

    /* 2. Estado Oculto (Colapsado) */
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-link span,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .accordion-button span,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-footer .nav-link span,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-brand span {
        display: none !important;
    }

    /* Fix: Logo Image in Collapsed State */
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-brand img {
        max-width: 40px;
        /* Limit width to fit */
        object-fit: contain;
        margin: 0 auto;
    }

    /* 3. Centrado de Íconos (Colapsado) */
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-header,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-brand,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-link,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-footer .nav-link,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .accordion-button {
        justify-content: center;
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-link i,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-footer .nav-link i,
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .accordion-button i {
        margin-right: 0 !important;
    }

    /* 4. Ocultar Acordeón Abierto */
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) .sidebar-nav .accordion-collapse.show {
        display: none !important;
    }

    /* Fix: Delay accordion content appearance until sidebar is expanded */
    .sidebar-nav .accordion-collapse {
        transition: opacity 0.4s ease-in-out 0.2s, height 0.35s ease;
        opacity: 1;
    }

    body.sidebar-collapsed .sidebar-nav:not(:hover) .accordion-collapse {
        opacity: 0;
        transition: none;
    }

    /* Fix: Hide pin when collapsed */
    body.sidebar-collapsed:not(:has(.sidebar-nav:hover)) #sidebar-pin-toggle {
        display: none !important;
    }
}

/* Fix for logout button alignment */
.sidebar-link,
.sidebar-footer .nav-link,
.sidebar-nav .accordion-button {
    width: 100%;
}

.sidebar-footer form {
    width: 100%;
    padding: 0;
    margin: 0;
}