/* Student dashboard shell — layout chrome consuming --public-* tokens. */

.student-layout {
    min-height: 100vh;
    background: var(--public-background);
    font-family: var(--public-font-family);
}

.student-drawer.mud-drawer {
    background: var(--public-surface) !important;
    border-right: 1px solid var(--public-outline-variant) !important;
    box-shadow: 0 1px 2px rgba(27, 27, 36, 0.04);
}

.student-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 12px;
    flex: 1 1 auto;
    min-height: 0;
}

.student-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 16px;
    border-radius: 8px;
    color: var(--public-on-surface-variant);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.student-nav-item:focus-visible {
    outline: 2px solid var(--public-primary);
    outline-offset: 2px;
}

.student-nav-item-disabled {
    opacity: 0.55;
    cursor: default;
}

.student-nav-icon {
    font-size: 20px !important;
    width: 20px !important;
    height: 20px !important;
}

.student-nav-item-active {
    color: var(--public-on-primary) !important;
    background: var(--public-primary) !important;
    border-radius: 8px !important;
    font-weight: 700 !important;
}

.student-nav-item-active .student-nav-icon {
    color: var(--public-on-primary) !important;
}

.student-upgrade-btn.mud-button-root {
    background: var(--public-secondary-container) !important;
    color: var(--public-on-secondary-container) !important;
    font-weight: 700 !important;
    text-transform: none !important;
    border-radius: 8px !important;
}

.student-appbar.mud-appbar {
    background: var(--public-surface) !important;
    color: var(--public-on-surface) !important;
    border-bottom: 1px solid var(--public-outline-variant);
    box-shadow: 0 1px 2px rgba(27, 27, 36, 0.04);
    height: 64px !important;
    min-height: 64px !important;
    padding: 0 24px !important;
    left: 0 !important;
    align-items: center !important;
}

@media (min-width: 960px) {
    .student-appbar.mud-appbar {
        left: 256px !important;
        width: calc(100% - 256px) !important;
        padding: 0 40px !important;
    }

    .student-menu-toggle {
        display: none !important;
    }
}

.student-mobile-title {
    display: flex;
    align-items: center;
    margin-left: 4px;
}

.student-top-nav {
    align-items: center;
    gap: 32px;
    margin-left: 24px;
}

.student-top-nav-link {
    position: relative;
    padding: 8px 0;
    color: var(--public-on-surface-variant);
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    text-decoration: none;
    transition: color 0.15s ease;
}

.student-top-nav-link:hover:not(.student-top-nav-link-disabled) {
    color: var(--public-primary);
}

.student-top-nav-link-disabled {
    opacity: 0.55;
    cursor: default;
}

.student-top-nav-link.student-nav-item-active {
    color: var(--public-primary) !important;
    background: transparent !important;
    font-weight: 700 !important;
}

.student-top-nav-link.student-nav-item-active::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--public-primary);
    border-radius: 2px 2px 0 0;
}

.student-trailing {
    display: flex;
    align-items: center;
    gap: 8px;
}

.student-greeting {
    color: var(--public-on-surface);
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
}

.student-trailing-divider {
    width: 1px;
    height: 24px;
    background: var(--public-outline-variant);
    margin: 0 4px;
}

.student-profile {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px;
    border-radius: 999px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.student-profile:focus-visible {
    outline: 2px solid var(--public-primary);
    outline-offset: 2px;
}

.student-profile:hover {
    background: var(--public-surface-container);
    border-color: var(--public-outline-variant);
}

.student-profile-avatar {
    width: 32px !important;
    height: 32px !important;
    font-size: 12px !important;
    background: var(--public-primary-fixed) !important;
    color: var(--public-on-primary-fixed) !important;
}

.student-profile-caret {
    color: var(--public-on-surface-variant) !important;
}

.student-main {
    background: var(--public-background);
    min-height: 100vh;
}

.student-layout .student-main.mud-main-content {
    padding-top: calc(64px + var(--public-space-6, 24px)) !important;
}

.student-layout .footer {
    margin-left: 0;
}

@media (min-width: 960px) {
    .student-layout .footer {
        margin-left: 256px;
    }
}