/* Sidebar Moderno y Profesional UI/UX - Light Theme "Yino" */
:root {
    --sidebar-bg-gradient-start: #ffffff;
    --sidebar-bg-gradient-end: #f8f9fa;
    --sidebar-text-color: #4b5563;
    /* Gray 600 */
    --sidebar-text-active: #2563eb;
    /* Blue 600 */
    --sidebar-hover-bg: #f3f4f6;
    /* Gray 100 */
    --sidebar-active-bg: #eff6ff;
    /* Blue 50 */
    --sidebar-active-border: #2563eb;
    /* Blue 600 */
    --logo-height: 40px;
    --sidebar-border-color: rgba(0, 0, 0, 0.05);
    --accordion-header-bg: #ffffff;
    --accordion-header-hover: #f9fafb;
}

/* Base Sidebar */
.sidebar {
    background: linear-gradient(180deg, var(--sidebar-bg-gradient-start) 0%, var(--sidebar-bg-gradient-end) 100%) !important;
    border-right: 1px solid var(--sidebar-border-color);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.03) !important;
}

/* Logo Area */
.sidebar .logo-area {
    padding: 1.5rem 1rem 2rem;
    text-align: center;
    border-bottom: 1px solid var(--sidebar-border-color);
    margin-bottom: 1.5rem;
}

.sidebar .logo-text {
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    color: #111827;
    /* Gray 900 */
    margin-top: 0.5rem;
}

.sidebar .logo-subtext {
    font-size: 0.75rem;
    color: #9ca3af;
    /* Gray 400 */
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Navigation Items (Links Simples) */
.sidebar .nav-link {
    color: var(--sidebar-text-color) !important;
    font-weight: 500;
    padding: 0.75rem 1rem;
    margin: 0.2rem 0.8rem;
    border-radius: 8px;
    transition: all 0.2s ease-in-out;
    position: relative;
    border: 1px solid transparent;
}

.sidebar .nav-link:hover {
    background-color: var(--sidebar-hover-bg);
    color: #111827 !important;
    transform: translateX(4px);
}

.sidebar .nav-link.active {
    background-color: var(--sidebar-active-bg) !important;
    color: var(--sidebar-text-active) !important;
    border: 1px solid rgba(37, 99, 235, 0.1);
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.08);
}

.sidebar .nav-link.active::before {
    content: '';
    position: absolute;
    left: -0.8rem;
    top: 50%;
    transform: translateY(-50%);
    height: 20px;
    width: 4px;
    background-color: var(--sidebar-active-border);
    border-radius: 0 4px 4px 0;
}

.sidebar .nav-link i {
    opacity: 0.7;
    transition: opacity 0.2s;
    width: 24px;
    text-align: center;
    font-size: 1.1rem;
    color: #6b7280;
}

.sidebar .nav-link:hover i {
    opacity: 1;
    color: #4b5563;
}

.sidebar .nav-link.active i {
    opacity: 1;
    color: var(--sidebar-active-border);
}

/* ACORDEONES PRINCIPALES "SOBRESALIENTES" */
.sidebar .nav-accordion-button {
    background-color: var(--accordion-header-bg);
    color: #111827;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 1rem 1.2rem;
    margin: 0.5rem 0.8rem 0;
    /* Espaciado entre bloques */
    border-radius: 12px;
    /* Más redondeado */
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
    border: 1px solid transparent;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar .nav-accordion-button:hover,
.sidebar .nav-accordion-button:not(.collapsed) {
    background-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    transform: translateY(-1px);
    border-color: rgba(0, 0, 0, 0.03);
    color: #000;
}

.sidebar .nav-accordion-button:not(.collapsed) {
    border-radius: 12px 12px 0 0;
    /* Solo redondear arriba cuando abierto */
    margin-bottom: 0;
    background: linear-gradient(to right, #ffffff, #fafafa);
}

.sidebar .nav-accordion-button::after {
    background-size: 1rem;
    filter: grayscale(1) opacity(0.4);
    transition: transform 0.3s ease;
}

.sidebar .nav-accordion-button:not(.collapsed)::after {
    filter: grayscale(0) opacity(0.8);
}

/* Cuerpo del Acordeón */
.sidebar .accordion-collapse {
    background-color: #ffffff;
    margin: 0 0.8rem 0.5rem;
    border-radius: 0 0 12px 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.03);
    border-top: none;
}

/* Links dentro del acordeón */
.sidebar .accordion-body .nav-link {
    font-size: 0.9rem;
    padding: 0.6rem 1rem;
    margin: 0.1rem 0.5rem;
    border-radius: 6px;
    color: #6b7280 !important;
}

.sidebar .accordion-body .nav-link:hover {
    color: #111827 !important;
    background-color: #f9fafb;
    transform: translateX(2px);
}

.sidebar .accordion-body .nav-link.active {
    background-color: #eff6ff !important;
    color: #2563eb !important;
    font-weight: 600;
    box-shadow: none;
    border: none;
}

.sidebar .accordion-body .nav-link.active::before {
    display: none;
    /* Sin barra lateral en subitems */
}

/* Subtítulos dentro de secciones (e.g. Datos, Reportes) */
.sidebar .accordion-body .text-muted {
    letter-spacing: 0.8px;
    opacity: 0.6;
}

/* Collapsed Sidebar State - Minimalist */
.sidebar.collapsed .nav-text,
.sidebar.collapsed .logo-text,
.sidebar.collapsed .logo-subtext,
.sidebar.collapsed .accordion-button::after,
.sidebar.collapsed .text-uppercase {
    display: none !important;
}

.sidebar.collapsed .nav-accordion-button {
    padding: 1rem 0;
    justify-content: center;
    margin: 0.5rem 0.4rem;
}

.sidebar.collapsed .nav-accordion-button i {
    margin-right: 0 !important;
    font-size: 1.4rem;
}

.sidebar.collapsed .accordion-collapse {
    margin: 0 0.4rem;
}

.sidebar.collapsed .logo-area img {
    max-height: 30px !important;
}

/* Custom Scrollbar Minimalist */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    transition: background 0.2s;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* Firefox */
.sidebar {
    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.1) transparent;
}