:root {
    --sidebar-width: 300px;
    --sidebar-collapsed: 110px;
}

.site-layout {
    display: flex;
    position: relative;
    z-index: 1;
}

.site-content-wrapper {
    width: 100%;
    min-height: 100vh;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition);
    position: relative;
}

.site-content-wrapper::before {
    content: "";
    position: fixed;
    top: 30px;
    left: calc(var(--sidebar-width) + 24px);
    right: 24px;
    height: 14px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(52, 168, 83, 0.3), rgba(107, 30, 17, 0.18), rgba(52, 168, 83, 0.3));
    opacity: 0.45;
    pointer-events: none;
    z-index: 0;
    transition: left var(--transition);
}

body.sidebar-collapsed .site-content-wrapper {
    margin-left: var(--sidebar-collapsed);
}

body.sidebar-collapsed .site-content-wrapper::before {
    left: calc(var(--sidebar-collapsed) + 24px);
}

.site-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--sidebar-width);
    height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 22px 18px;
    color: var(--text-main);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.04)),
        linear-gradient(180deg, var(--green-dark) 0%, var(--green-secondary) 48%, #244f31 100%);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--shadow-main);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    overflow: hidden;
    transition: width var(--transition), transform var(--transition);
    z-index: 20;
}

.site-sidebar::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
}

.site-sidebar::after {
    content: "";
    position: absolute;
    right: -50px;
    bottom: -80px;
    width: 210px;
    height: 210px;
    border-radius: 50%;
    background: rgba(107, 30, 17, 0.14);
}

body.sidebar-collapsed .site-sidebar {
    width: var(--sidebar-collapsed);
}

.site-sidebar-top,
.site-sidebar-bottom,
.sidebar-nav {
    position: relative;
    z-index: 1;
}

.site-sidebar-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
    max-width: 100%;
}

.site-logo img {
    width: 56px;
    height: 56px;
    padding: 6px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.14);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.14);
    object-fit: contain;
    flex-shrink: 0;
}

.site-logo-text {
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
}

.site-logo-text strong {
    font-size: 1rem;
    color: var(--white);
    letter-spacing: 0.01em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-logo-text span {
    font-size: 0.83rem;
    color: rgba(245, 243, 235, 0.72);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-toggle,
.mobile-menu-toggle {
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), border-color var(--transition);
}

.sidebar-toggle:hover,
.mobile-menu-toggle:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.2);
}

.sidebar-nav {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-right: 4px;
}

.sidebar-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
    border-radius: 999px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 52px;
    padding: 12px 14px;
    border-radius: 16px;
    color: rgba(245, 243, 235, 0.92);
    font-weight: 700;
    line-height: 1.25;
    transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.14);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.12);
    transform: translateX(3px);
}

.sidebar-nav i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.site-sidebar-bottom {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: rgba(245, 243, 235, 0.92);
    word-break: break-word;
}

.sidebar-social {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    align-items: center;
}

.sidebar-social a {
    min-height: 42px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    transition: transform var(--transition), background var(--transition);
}

.sidebar-social a:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.18);
}

.edufacil-link {
    padding: 6px;
}

.edufacil-link img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

body.sidebar-collapsed .site-logo-text,
body.sidebar-collapsed .sidebar-nav span,
body.sidebar-collapsed .site-sidebar-bottom {
    display: none;
}

body.sidebar-collapsed .site-sidebar-top {
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}

body.sidebar-collapsed .sidebar-nav a {
    justify-content: center;
    padding-inline: 0;
}

body.sidebar-collapsed .sidebar-nav a:hover,
body.sidebar-collapsed .sidebar-nav a.active {
    transform: translateY(-1px);
}

.site-topbar-mobile {
    display: none;
}

.site-topbar-mobile-inner {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.mobile-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    color: var(--white);
}

.mobile-logo img {
    width: 40px;
    height: 40px;
    padding: 4px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.14);
}

.mobile-logo span {
    font-weight: 800;
    letter-spacing: -0.01em;
}

@media (max-width: 1200px) and (min-width: 993px) {
    :root {
        --sidebar-width: 270px;
        --sidebar-collapsed: 96px;
    }

    .site-sidebar {
        padding: 18px 14px;
    }

    .sidebar-nav a {
        min-height: 48px;
        padding: 10px 12px;
        font-size: 0.95rem;
    }

    body.sidebar-collapsed .site-logo img {
        width: 68px;
        height: 68px;
    }
}

@media (max-width: 992px) {
    .site-sidebar {
        transform: translateX(-100%);
        top: 10px;
        left: 10px;
        bottom: 10px;
        inset: 10px auto 10px 10px;
        height: auto;
        width: min(320px, calc(100vw - 20px));
        max-width: calc(100vw - 20px);
        border-radius: 26px;
        overflow-y: auto;
        padding: 18px 14px;
    }

    body.sidebar-mobile-open .site-sidebar {
        transform: translateX(0);
    }

    body.sidebar-collapsed .site-sidebar {
        width: min(320px, calc(100vw - 20px));
    }

    body.sidebar-collapsed .site-logo-text,
    body.sidebar-collapsed .sidebar-nav span,
    body.sidebar-collapsed .site-sidebar-bottom {
        display: flex;
    }

    body.sidebar-collapsed .site-sidebar-top {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    body.sidebar-collapsed .sidebar-nav a {
        justify-content: flex-start;
        padding-inline: 14px;
    }

    .site-content-wrapper {
        margin-left: 0;
    }

    .site-content-wrapper::before {
        left: 24px;
    }

    .site-topbar-mobile {
        display: flex;
        align-items: center;
        padding: 12px 12px 6px;
        position: sticky;
        top: 0;
        z-index: 15;
        background: linear-gradient(180deg, rgba(242, 246, 241, 0.96), rgba(242, 246, 241, 0.82));
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }

    .site-topbar-mobile-inner {
        padding: 10px 12px;
        border-radius: 20px;
        background:
            linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.08)),
            linear-gradient(135deg, var(--green-dark), var(--green-secondary));
        box-shadow: var(--shadow-soft);
    }

    .site-sidebar-bottom {
        margin-top: auto;
    }
}

@media (max-width: 576px) {
    .site-content-wrapper::before {
        display: none;
    }

    .site-sidebar {
        inset: 8px;
        width: calc(100vw - 16px);
        max-width: calc(100vw - 16px);
        padding: 16px 12px;
        border-radius: 22px;
        gap: 18px;
    }

    .site-sidebar-top {
        gap: 10px;
    }

    .site-logo img {
        width: 50px;
        height: 50px;
        padding: 5px;
    }

    .sidebar-toggle,
    .mobile-menu-toggle {
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }

    .sidebar-nav a {
        min-height: 46px;
        padding: 10px 12px;
        font-size: 0.94rem;
    }

    .sidebar-social {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }

    .mobile-logo span {
        font-size: 0.94rem;
    }

    .mobile-logo img {
        width: 36px;
        height: 36px;
    }

    .site-topbar-mobile-inner {
        border-radius: 16px;
    }
}

body.sidebar-collapsed .site-logo img {
    width: 78px;
    height: 78px;
    padding: 4px;
}