body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    min-width: 320px;
}

* {
    box-sizing: border-box;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

button {
    cursor: pointer;
}

img {
    max-width: 100%;
}

.logo,
.logo_dark {
    display: block;
}

html.dark .logo_dark {
    display: block;
}

html.dark .logo {
    display: none;
}

html:not(.dark) .logo {
    display: block;
}

html:not(.dark) .logo_dark {
    display: none;
}

#studentAvatarMenuButton {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.app-avatar-initials {
    align-items: center;
    background: #1394ff;
    color: #fff;
    display: flex;
    font-size: .92rem;
    font-weight: 800;
    height: 100%;
    justify-content: center;
    letter-spacing: 0;
    width: 100%;
}

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, .35);
    border-radius: 999px;
}

.app-toast {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 3000;
    max-width: min(420px, calc(100vw - 44px));
    border-radius: 10px;
    padding: 14px 16px;
    color: #ffffff;
    font-weight: 900;
    line-height: 1.35;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .28);
}

.app-toast.is-success {
    background: #20a85f;
}

.app-toast.is-error {
    background: #e5484d;
}

.app-toast.is-warning {
    background: #c58b12;
}

.app-toast.is-info {
    background: #1394ff;
}